./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec5_product33_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_product33_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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:50:48,424 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:50:48,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:50:48,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:50:48,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:50:48,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:50:48,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:50:48,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:50:48,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:50:48,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:50:48,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:50:48,446 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:50:48,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:50:48,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:50:48,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:50:48,450 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:50:48,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:50:48,452 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:50:48,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:50:48,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:50:48,457 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:50:48,458 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:50:48,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:50:48,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:50:48,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:50:48,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:50:48,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:50:48,464 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:50:48,465 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:50:48,466 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:50:48,466 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:50:48,467 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:50:48,467 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:50:48,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:50:48,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:50:48,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:50:48,470 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:50:48,485 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:50:48,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:50:48,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:50:48,487 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:50:48,487 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:50:48,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:50:48,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:50:48,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:50:48,488 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:50:48,488 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:50:48,488 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:50:48,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:50:48,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:50:48,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:50:48,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:50:48,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:50:48,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:50:48,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:50:48,491 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:50:48,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:50:48,491 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:50:48,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:50:48,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:50:48,492 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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2018-12-31 09:50:48,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:50:48,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:50:48,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:50:48,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:50:48,545 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:50:48,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:48,605 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0663ecee7/cf1e450e96f945bda688874a8dd31a2c/FLAG8f3496267 [2018-12-31 09:50:49,140 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:50:49,141 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:49,162 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0663ecee7/cf1e450e96f945bda688874a8dd31a2c/FLAG8f3496267 [2018-12-31 09:50:49,404 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0663ecee7/cf1e450e96f945bda688874a8dd31a2c [2018-12-31 09:50:49,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:50:49,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:50:49,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:49,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:50:49,419 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:50:49,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:49" (1/1) ... [2018-12-31 09:50:49,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:49, skipping insertion in model container [2018-12-31 09:50:49,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:50:49" (1/1) ... [2018-12-31 09:50:49,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:50:49,510 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:50:49,931 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:49,944 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:50:50,051 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:50:50,185 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:50:50,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50 WrapperNode [2018-12-31 09:50:50,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:50:50,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:50,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:50:50,188 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:50:50,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:50:50,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:50:50,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:50:50,285 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:50:50,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (1/1) ... [2018-12-31 09:50:50,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:50:50,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:50:50,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:50:50,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:50:50,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (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 09:50:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:50:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:50:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:50:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:50:51,634 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:50:51,635 INFO L280 CfgBuilder]: Removed 110 assue(true) statements. [2018-12-31 09:50:51,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:51 BoogieIcfgContainer [2018-12-31 09:50:51,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:50:51,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:50:51,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:50:51,640 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:50:51,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:50:49" (1/3) ... [2018-12-31 09:50:51,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f70c1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:51, skipping insertion in model container [2018-12-31 09:50:51,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:50:50" (2/3) ... [2018-12-31 09:50:51,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f70c1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:50:51, skipping insertion in model container [2018-12-31 09:50:51,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:51" (3/3) ... [2018-12-31 09:50:51,645 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-12-31 09:50:51,656 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:50:51,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:50:51,683 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:50:51,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:50:51,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:50:51,715 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:50:51,715 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:50:51,715 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:50:51,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:50:51,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:50:51,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:50:51,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:50:51,733 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-12-31 09:50:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:50:51,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:51,740 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 09:50:51,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:51,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:51,749 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2018-12-31 09:50:51,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:51,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:51,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:51,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:51,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,041 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 09:50:52,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:52,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:50:52,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:50:52,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:50:52,067 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-12-31 09:50:52,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:52,098 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2018-12-31 09:50:52,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:50:52,100 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-31 09:50:52,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:52,114 INFO L225 Difference]: With dead ends: 167 [2018-12-31 09:50:52,114 INFO L226 Difference]: Without dead ends: 83 [2018-12-31 09:50:52,118 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 09:50:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-12-31 09:50:52,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-12-31 09:50:52,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-12-31 09:50:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2018-12-31 09:50:52,170 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2018-12-31 09:50:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:52,171 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2018-12-31 09:50:52,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:50:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2018-12-31 09:50:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-31 09:50:52,172 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:52,173 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 09:50:52,173 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:52,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2018-12-31 09:50:52,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:52,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:52,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:52,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,316 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 09:50:52,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:50:52,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:52,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:52,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:52,320 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2018-12-31 09:50:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:52,345 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2018-12-31 09:50:52,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:52,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-31 09:50:52,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:52,347 INFO L225 Difference]: With dead ends: 83 [2018-12-31 09:50:52,347 INFO L226 Difference]: Without dead ends: 38 [2018-12-31 09:50:52,349 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 09:50:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-31 09:50:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-31 09:50:52,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-31 09:50:52,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2018-12-31 09:50:52,355 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2018-12-31 09:50:52,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:52,356 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2018-12-31 09:50:52,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:52,356 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2018-12-31 09:50:52,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:50:52,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:52,358 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 09:50:52,358 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:52,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:52,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2018-12-31 09:50:52,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:52,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:52,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:52,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,489 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 09:50:52,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:52,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:52,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:52,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:52,491 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2018-12-31 09:50:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:52,513 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2018-12-31 09:50:52,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:52,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-12-31 09:50:52,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:52,515 INFO L225 Difference]: With dead ends: 69 [2018-12-31 09:50:52,515 INFO L226 Difference]: Without dead ends: 38 [2018-12-31 09:50:52,517 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 09:50:52,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-31 09:50:52,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-31 09:50:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-31 09:50:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-31 09:50:52,523 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2018-12-31 09:50:52,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:52,524 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-31 09:50:52,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-31 09:50:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-31 09:50:52,525 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:52,525 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] [2018-12-31 09:50:52,527 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:52,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:52,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2018-12-31 09:50:52,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:52,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:52,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:52,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,638 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 09:50:52,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:52,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:52,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:52,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:52,641 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2018-12-31 09:50:52,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:52,754 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2018-12-31 09:50:52,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:52,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-12-31 09:50:52,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:52,756 INFO L225 Difference]: With dead ends: 93 [2018-12-31 09:50:52,756 INFO L226 Difference]: Without dead ends: 62 [2018-12-31 09:50:52,757 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 09:50:52,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-31 09:50:52,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2018-12-31 09:50:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-12-31 09:50:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2018-12-31 09:50:52,767 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2018-12-31 09:50:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:52,767 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2018-12-31 09:50:52,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-12-31 09:50:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:52,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:52,769 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] [2018-12-31 09:50:52,770 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:52,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:52,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2018-12-31 09:50:52,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:52,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:52,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:52,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:52,924 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 09:50:52,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:52,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:52,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:52,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:52,926 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2018-12-31 09:50:53,272 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:50:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:53,327 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2018-12-31 09:50:53,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:53,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:50:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:53,329 INFO L225 Difference]: With dead ends: 157 [2018-12-31 09:50:53,329 INFO L226 Difference]: Without dead ends: 104 [2018-12-31 09:50:53,330 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-31 09:50:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-12-31 09:50:53,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2018-12-31 09:50:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-12-31 09:50:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2018-12-31 09:50:53,342 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2018-12-31 09:50:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:53,342 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2018-12-31 09:50:53,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-12-31 09:50:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:53,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:53,345 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] [2018-12-31 09:50:53,346 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:53,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:53,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2018-12-31 09:50:53,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:53,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:53,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:53,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:53,560 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 09:50:53,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:53,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:50:53,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:53,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:53,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:53,563 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2018-12-31 09:50:54,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:54,074 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2018-12-31 09:50:54,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:54,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:50:54,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:54,078 INFO L225 Difference]: With dead ends: 216 [2018-12-31 09:50:54,078 INFO L226 Difference]: Without dead ends: 160 [2018-12-31 09:50:54,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-31 09:50:54,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-31 09:50:54,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2018-12-31 09:50:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-12-31 09:50:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2018-12-31 09:50:54,095 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2018-12-31 09:50:54,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:54,095 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2018-12-31 09:50:54,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2018-12-31 09:50:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:54,098 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:54,098 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] [2018-12-31 09:50:54,098 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:54,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:54,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2018-12-31 09:50:54,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:54,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:54,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:54,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:54,379 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 09:50:54,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:54,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-31 09:50:54,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:50:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:50:54,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:50:54,382 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2018-12-31 09:50:54,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:54,542 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2018-12-31 09:50:54,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-31 09:50:54,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-12-31 09:50:54,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:54,545 INFO L225 Difference]: With dead ends: 164 [2018-12-31 09:50:54,545 INFO L226 Difference]: Without dead ends: 109 [2018-12-31 09:50:54,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:50:54,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-31 09:50:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2018-12-31 09:50:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-12-31 09:50:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2018-12-31 09:50:54,559 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2018-12-31 09:50:54,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:54,559 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2018-12-31 09:50:54,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:50:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-31 09:50:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-31 09:50:54,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:54,562 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] [2018-12-31 09:50:54,563 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:54,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:54,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2018-12-31 09:50:54,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:54,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:54,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:54,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:54,666 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 09:50:54,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:54,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:50:54,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:50:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:50:54,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:50:54,668 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2018-12-31 09:50:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:54,819 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2018-12-31 09:50:54,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:50:54,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-12-31 09:50:54,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:54,822 INFO L225 Difference]: With dead ends: 148 [2018-12-31 09:50:54,822 INFO L226 Difference]: Without dead ends: 91 [2018-12-31 09:50:54,823 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 09:50:54,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-31 09:50:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-12-31 09:50:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-31 09:50:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2018-12-31 09:50:54,841 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2018-12-31 09:50:54,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:54,841 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2018-12-31 09:50:54,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:50:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2018-12-31 09:50:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-31 09:50:54,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:54,844 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 09:50:54,844 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2018-12-31 09:50:54,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:54,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:54,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:55,341 WARN L181 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 5 [2018-12-31 09:50:55,344 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 09:50:55,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:50:55,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 09:50:55,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 09:50:55,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 09:50:55,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-31 09:50:55,347 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 6 states. [2018-12-31 09:50:55,698 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-31 09:50:55,951 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-31 09:50:56,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:56,524 INFO L93 Difference]: Finished difference Result 327 states and 441 transitions. [2018-12-31 09:50:56,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 09:50:56,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-12-31 09:50:56,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:56,527 INFO L225 Difference]: With dead ends: 327 [2018-12-31 09:50:56,528 INFO L226 Difference]: Without dead ends: 270 [2018-12-31 09:50:56,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-31 09:50:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-12-31 09:50:56,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 132. [2018-12-31 09:50:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-31 09:50:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2018-12-31 09:50:56,572 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 34 [2018-12-31 09:50:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:56,572 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2018-12-31 09:50:56,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 09:50:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2018-12-31 09:50:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-31 09:50:56,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:50:56,575 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] [2018-12-31 09:50:56,576 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:50:56,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:50:56,576 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2018-12-31 09:50:56,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:50:56,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:50:56,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:56,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:50:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:56,702 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 09:50:56,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-31 09:50:56,702 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 09:50:56,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:50:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:50:56,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 09:50:57,251 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 09:50:57,283 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-31 09:50:57,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-12-31 09:50:57,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 09:50:57,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 09:50:57,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:50:57,284 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand 8 states. [2018-12-31 09:50:58,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:50:58,002 INFO L93 Difference]: Finished difference Result 236 states and 311 transitions. [2018-12-31 09:50:58,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 09:50:58,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-12-31 09:50:58,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:50:58,004 INFO L225 Difference]: With dead ends: 236 [2018-12-31 09:50:58,004 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 09:50:58,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-31 09:50:58,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 09:50:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 09:50:58,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 09:50:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 09:50:58,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2018-12-31 09:50:58,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:50:58,007 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 09:50:58,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 09:50:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 09:50:58,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 09:50:58,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 09:50:58,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-31 09:50:58,594 WARN L181 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-12-31 09:50:58,855 WARN L181 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2018-12-31 09:50:59,268 WARN L181 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2018-12-31 09:50:59,435 WARN L181 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2018-12-31 09:50:59,906 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-12-31 09:51:00,061 INFO L444 ceAbstractionStarter]: At program point L580-3(lines 575 583) the Hoare annotation is: false [2018-12-31 09:51:00,061 INFO L444 ceAbstractionStarter]: At program point L580-4(lines 575 583) the Hoare annotation is: false [2018-12-31 09:51:00,061 INFO L444 ceAbstractionStarter]: At program point L580-5(lines 575 583) the Hoare annotation is: false [2018-12-31 09:51:00,062 INFO L444 ceAbstractionStarter]: At program point L861(lines 856 864) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (and (and (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse1 (= ~pumpRunning~0 0)) .cse2)) (and (<= 2 ~waterLevel~0) .cse1 .cse0 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse1 (= ~switchedOnBeforeTS~0 1) .cse0 .cse3 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:00,062 INFO L444 ceAbstractionStarter]: At program point L861-1(lines 856 864) the Hoare annotation is: false [2018-12-31 09:51:00,062 INFO L444 ceAbstractionStarter]: At program point L861-2(lines 856 864) the Hoare annotation is: false [2018-12-31 09:51:00,062 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2018-12-31 09:51:00,062 INFO L451 ceAbstractionStarter]: At program point L762-1(lines 762 769) the Hoare annotation is: true [2018-12-31 09:51:00,062 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2018-12-31 09:51:00,062 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 531 539) no Hoare annotation was computed. [2018-12-31 09:51:00,062 INFO L448 ceAbstractionStarter]: For program point L531-2(lines 531 539) no Hoare annotation was computed. [2018-12-31 09:51:00,063 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L444 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: false [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L780(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2018-12-31 09:51:00,065 INFO L448 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,066 INFO L448 ceAbstractionStarter]: For program point L780-2(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,066 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L896(lines 495 501) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2) (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2))) [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L896-1(lines 495 501) the Hoare annotation is: false [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L896-2(lines 495 501) the Hoare annotation is: false [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L665(lines 1 927) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L502(lines 502 508) 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 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse1 (and (and (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= ~pumpRunning~0 0)) .cse3)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:00,066 INFO L444 ceAbstractionStarter]: At program point L502-1(lines 502 508) the Hoare annotation is: false [2018-12-31 09:51:00,067 INFO L444 ceAbstractionStarter]: At program point L502-2(lines 502 508) the Hoare annotation is: false [2018-12-31 09:51:00,067 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2018-12-31 09:51:00,067 INFO L444 ceAbstractionStarter]: At program point L635(lines 620 638) 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|) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:00,067 INFO L444 ceAbstractionStarter]: At program point L635-1(lines 620 638) the Hoare annotation is: false [2018-12-31 09:51:00,067 INFO L444 ceAbstractionStarter]: At program point L635-2(lines 620 638) the Hoare annotation is: false [2018-12-31 09:51:00,067 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-12-31 09:51:00,067 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 09:51:00,067 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-31 09:51:00,067 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,068 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-12-31 09:51:00,068 INFO L448 ceAbstractionStarter]: For program point L456-2(lines 450 461) no Hoare annotation was computed. [2018-12-31 09:51:00,068 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2018-12-31 09:51:00,069 INFO L448 ceAbstractionStarter]: For program point L869-1(lines 869 875) no Hoare annotation was computed. [2018-12-31 09:51:00,069 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 875) no Hoare annotation was computed. [2018-12-31 09:51:00,069 INFO L444 ceAbstractionStarter]: At program point L737(lines 733 739) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:00,069 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-12-31 09:51:00,069 INFO L444 ceAbstractionStarter]: At program point L440-1(lines 440 446) 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 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:00,069 INFO L444 ceAbstractionStarter]: At program point L886(lines 881 888) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:00,069 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 808) no Hoare annotation was computed. [2018-12-31 09:51:00,069 INFO L451 ceAbstractionStarter]: At program point L771(lines 752 774) the Hoare annotation is: true [2018-12-31 09:51:00,069 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L444 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: false [2018-12-31 09:51:00,070 INFO L444 ceAbstractionStarter]: At program point L673(lines 668 676) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point L527-1(lines 527 544) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point L527-2(lines 527 544) no Hoare annotation was computed. [2018-12-31 09:51:00,070 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L874(lines 865 878) 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 (not (= 0 |ULTIMATE.start_isHighWaterSensorDry_#res|)) .cse0 .cse1 .cse2 .cse3))) [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L907-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse3 (= 1 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse3 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L874-1(lines 865 878) the Hoare annotation is: false [2018-12-31 09:51:00,071 INFO L448 ceAbstractionStarter]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L874-2(lines 865 878) the Hoare annotation is: false [2018-12-31 09:51:00,071 INFO L448 ceAbstractionStarter]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2018-12-31 09:51:00,071 INFO L444 ceAbstractionStarter]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2018-12-31 09:51:00,071 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L792-3(lines 792 796) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L693-1(lines 693 697) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L792-6(lines 792 796) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L444 ceAbstractionStarter]: At program point L495(lines 491 513) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:00,072 INFO L444 ceAbstractionStarter]: At program point L495-1(lines 491 513) the Hoare annotation is: false [2018-12-31 09:51:00,072 INFO L444 ceAbstractionStarter]: At program point L495-2(lines 491 513) the Hoare annotation is: false [2018-12-31 09:51:00,072 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-31 09:51:00,072 INFO L444 ceAbstractionStarter]: At program point L430-1(lines 430 436) 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 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse3) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3))) [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629-3(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629-5(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629-6(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L448 ceAbstractionStarter]: For program point L629-8(lines 629 633) no Hoare annotation was computed. [2018-12-31 09:51:00,073 INFO L444 ceAbstractionStarter]: At program point L580(lines 575 583) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 1 ~pumpRunning~0)) (.cse3 (= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (= ~systemActive~0 1))) (or (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3 .cse4) (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) .cse0 .cse1 (= ~pumpRunning~0 0) .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-12-31 09:51:00,073 INFO L444 ceAbstractionStarter]: At program point L580-1(lines 575 583) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1))) (or (and (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (= ~switchedOnBeforeTS~0 1) .cse1 (= 1 ~pumpRunning~0) (= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2018-12-31 09:51:00,074 INFO L444 ceAbstractionStarter]: At program point L580-2(lines 575 583) the Hoare annotation is: false [2018-12-31 09:51:00,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:51:00 BoogieIcfgContainer [2018-12-31 09:51:00,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:51:00,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:51:00,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:51:00,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:51:00,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:50:51" (3/4) ... [2018-12-31 09:51:00,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 09:51:00,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-12-31 09:51:00,142 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-31 09:51:00,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-31 09:51:00,143 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-31 09:51:00,144 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-31 09:51:00,145 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-31 09:51:00,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && 2 <= tmp) && systemActive == 1) && tmp <= 2)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,186 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:00,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,187 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,189 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel <= 2 && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((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 09:51:00,190 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:00,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) [2018-12-31 09:51:00,193 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 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) [2018-12-31 09:51:00,309 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:51:00,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:51:00,312 INFO L168 Benchmark]: Toolchain (without parser) took 10903.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Free memory was 951.4 MB in the beginning and 981.6 MB in the end (delta: -30.3 MB). Peak memory consumption was 185.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,313 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 09:51:00,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,314 INFO L168 Benchmark]: Boogie Preprocessor took 52.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:51:00,315 INFO L168 Benchmark]: RCFGBuilder took 1298.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,315 INFO L168 Benchmark]: TraceAbstraction took 8466.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 989.3 MB in the end (delta: 86.1 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,316 INFO L168 Benchmark]: Witness Printer took 208.01 ms. Allocated memory is still 1.2 GB. Free memory was 989.3 MB in the beginning and 981.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:51:00,321 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 775.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1298.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8466.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 989.3 MB in the end (delta: 86.1 MB). Peak memory consumption was 267.8 MB. Max. memory is 11.5 GB. * Witness Printer took 208.01 ms. Allocated memory is still 1.2 GB. Free memory was 989.3 MB in the beginning and 981.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 780]: 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: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (waterLevel <= 2 && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((waterLevel <= 2 && ((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && systemActive == 1) || ((((((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: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((0 == \result && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (waterLevel == 1 && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) || ((((0 == \result && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((!(0 == \result) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && 1 == pumpRunning) && \result <= 2) && 2 <= \result) && 2 <= tmp) && systemActive == 1) && tmp <= 2)) || (((((splverifierCounter == 0 && switchedOnBeforeTS == 1) && waterLevel <= 2) && 1 == pumpRunning) && 1 == \result) && systemActive == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) || ((((((0 == \result && !(0 == tmp)) && 0 == tmp___0) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 0) && systemActive == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. SAFE Result, 8.3s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 765 SDtfs, 844 SDslu, 1043 SDs, 0 SdLazy, 176 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 91 NumberOfFragments, 572 HoareAnnotationTreeSize, 37 FomulaSimplifications, 24935 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 2007 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 25715 SizeOfPredicates, 4 NumberOfNonLiveVariables, 396 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...