./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_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 229890f5f6e9af6d15d776f98b90421cce07d395 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 14:53:42,479 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 14:53:42,481 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 14:53:42,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 14:53:42,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 14:53:42,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 14:53:42,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 14:53:42,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 14:53:42,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 14:53:42,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 14:53:42,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 14:53:42,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 14:53:42,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 14:53:42,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 14:53:42,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 14:53:42,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 14:53:42,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 14:53:42,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 14:53:42,509 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 14:53:42,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 14:53:42,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 14:53:42,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 14:53:42,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 14:53:42,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 14:53:42,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 14:53:42,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 14:53:42,519 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 14:53:42,519 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 14:53:42,520 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 14:53:42,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 14:53:42,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 14:53:42,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 14:53:42,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 14:53:42,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 14:53:42,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 14:53:42,525 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 14:53:42,525 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 14:53:42,544 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 14:53:42,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 14:53:42,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 14:53:42,547 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 14:53:42,547 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 14:53:42,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 14:53:42,548 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 14:53:42,548 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 14:53:42,548 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 14:53:42,548 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 14:53:42,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 14:53:42,549 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 14:53:42,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 14:53:42,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 14:53:42,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 14:53:42,550 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 14:53:42,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:53:42,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 14:53:42,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 14:53:42,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 14:53:42,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 14:53:42,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 14:53:42,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 14:53:42,553 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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2019-01-12 14:53:42,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 14:53:42,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 14:53:42,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 14:53:42,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 14:53:42,639 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 14:53:42,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2019-01-12 14:53:42,705 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49711755f/448f1dc179d64dc6ab61284cd73f3bc6/FLAG3a1a21f22 [2019-01-12 14:53:43,161 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 14:53:43,162 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2019-01-12 14:53:43,173 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49711755f/448f1dc179d64dc6ab61284cd73f3bc6/FLAG3a1a21f22 [2019-01-12 14:53:43,495 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49711755f/448f1dc179d64dc6ab61284cd73f3bc6 [2019-01-12 14:53:43,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 14:53:43,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 14:53:43,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 14:53:43,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 14:53:43,514 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 14:53:43,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:53:43" (1/1) ... [2019-01-12 14:53:43,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cc6e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:43, skipping insertion in model container [2019-01-12 14:53:43,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 02:53:43" (1/1) ... [2019-01-12 14:53:43,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 14:53:43,574 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 14:53:43,924 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:53:43,938 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 14:53:44,072 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 14:53:44,184 INFO L195 MainTranslator]: Completed translation [2019-01-12 14:53:44,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44 WrapperNode [2019-01-12 14:53:44,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 14:53:44,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 14:53:44,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 14:53:44,186 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 14:53:44,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 14:53:44,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 14:53:44,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 14:53:44,256 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 14:53:44,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... [2019-01-12 14:53:44,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 14:53:44,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 14:53:44,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 14:53:44,304 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 14:53:44,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 14:53:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 14:53:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-12 14:53:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 14:53:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 14:53:45,401 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 14:53:45,402 INFO L286 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-12 14:53:45,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:53:45 BoogieIcfgContainer [2019-01-12 14:53:45,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 14:53:45,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 14:53:45,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 14:53:45,407 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 14:53:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 02:53:43" (1/3) ... [2019-01-12 14:53:45,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ed23cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:53:45, skipping insertion in model container [2019-01-12 14:53:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 02:53:44" (2/3) ... [2019-01-12 14:53:45,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55ed23cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 02:53:45, skipping insertion in model container [2019-01-12 14:53:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:53:45" (3/3) ... [2019-01-12 14:53:45,410 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2019-01-12 14:53:45,420 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 14:53:45,428 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-01-12 14:53:45,444 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-01-12 14:53:45,473 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 14:53:45,473 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 14:53:45,473 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 14:53:45,474 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 14:53:45,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 14:53:45,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 14:53:45,474 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 14:53:45,474 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 14:53:45,475 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 14:53:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-01-12 14:53:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-01-12 14:53:45,503 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:45,504 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:53:45,506 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:45,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash -196866246, now seen corresponding path program 1 times [2019-01-12 14:53:45,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:45,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:45,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:45,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:45,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:53:45,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:45,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:53:45,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 14:53:45,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 14:53:45,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:53:45,803 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-01-12 14:53:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:45,827 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-01-12 14:53:45,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 14:53:45,828 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-01-12 14:53:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:45,841 INFO L225 Difference]: With dead ends: 132 [2019-01-12 14:53:45,841 INFO L226 Difference]: Without dead ends: 65 [2019-01-12 14:53:45,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 14:53:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-01-12 14:53:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-01-12 14:53:45,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-01-12 14:53:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-01-12 14:53:45,892 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-01-12 14:53:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:45,892 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-01-12 14:53:45,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 14:53:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-01-12 14:53:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 14:53:45,894 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:45,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:53:45,895 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:45,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:45,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1243623143, now seen corresponding path program 1 times [2019-01-12 14:53:45,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:45,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:45,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:45,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:45,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:53:46,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:46,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 14:53:46,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:53:46,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:53:46,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:53:46,050 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-01-12 14:53:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:46,074 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-01-12 14:53:46,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:53:46,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-01-12 14:53:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:46,077 INFO L225 Difference]: With dead ends: 65 [2019-01-12 14:53:46,077 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 14:53:46,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:53:46,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 14:53:46,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-12 14:53:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-12 14:53:46,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-01-12 14:53:46,086 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-01-12 14:53:46,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:46,087 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-01-12 14:53:46,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:53:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-01-12 14:53:46,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-12 14:53:46,089 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:46,089 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:53:46,089 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:46,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:46,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1744986874, now seen corresponding path program 1 times [2019-01-12 14:53:46,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:46,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:46,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:46,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:46,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:53:46,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:46,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 14:53:46,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 14:53:46,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 14:53:46,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-12 14:53:46,365 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 6 states. [2019-01-12 14:53:46,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:46,533 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-01-12 14:53:46,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:53:46,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-01-12 14:53:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:46,536 INFO L225 Difference]: With dead ends: 56 [2019-01-12 14:53:46,536 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 14:53:46,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:53:46,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 14:53:46,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-01-12 14:53:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-01-12 14:53:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-01-12 14:53:46,544 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-01-12 14:53:46,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:46,544 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-01-12 14:53:46,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 14:53:46,545 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-01-12 14:53:46,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-01-12 14:53:46,545 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:46,546 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] [2019-01-12 14:53:46,547 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:46,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:46,547 INFO L82 PathProgramCache]: Analyzing trace with hash 75210305, now seen corresponding path program 1 times [2019-01-12 14:53:46,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:46,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:46,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:46,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:46,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:53:46,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:46,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-12 14:53:46,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-12 14:53:46,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-12 14:53:46,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-01-12 14:53:46,776 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-01-12 14:53:47,576 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-12 14:53:48,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:48,062 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-01-12 14:53:48,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-01-12 14:53:48,064 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-01-12 14:53:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:48,067 INFO L225 Difference]: With dead ends: 178 [2019-01-12 14:53:48,072 INFO L226 Difference]: Without dead ends: 153 [2019-01-12 14:53:48,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-01-12 14:53:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-01-12 14:53:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2019-01-12 14:53:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-01-12 14:53:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-01-12 14:53:48,101 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-01-12 14:53:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:48,101 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-01-12 14:53:48,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-12 14:53:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-01-12 14:53:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-01-12 14:53:48,108 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:48,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:53:48,110 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:48,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:48,111 INFO L82 PathProgramCache]: Analyzing trace with hash -840805216, now seen corresponding path program 1 times [2019-01-12 14:53:48,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:48,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:48,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:48,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:48,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 14:53:48,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:48,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 14:53:48,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 14:53:48,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 14:53:48,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:53:48,219 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-01-12 14:53:48,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:48,282 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2019-01-12 14:53:48,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 14:53:48,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-01-12 14:53:48,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:48,285 INFO L225 Difference]: With dead ends: 126 [2019-01-12 14:53:48,285 INFO L226 Difference]: Without dead ends: 60 [2019-01-12 14:53:48,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 14:53:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-01-12 14:53:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-01-12 14:53:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-01-12 14:53:48,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-01-12 14:53:48,296 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-01-12 14:53:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:48,297 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-01-12 14:53:48,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 14:53:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-01-12 14:53:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-01-12 14:53:48,300 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 14:53:48,300 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 14:53:48,300 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 14:53:48,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 14:53:48,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1260992860, now seen corresponding path program 1 times [2019-01-12 14:53:48,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 14:53:48,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 14:53:48,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:48,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 14:53:48,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 14:53:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 14:53:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-01-12 14:53:48,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 14:53:48,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 14:53:48,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 14:53:48,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 14:53:48,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-12 14:53:48,458 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-01-12 14:53:48,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 14:53:48,732 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-01-12 14:53:48,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 14:53:48,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-01-12 14:53:48,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 14:53:48,735 INFO L225 Difference]: With dead ends: 118 [2019-01-12 14:53:48,735 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 14:53:48,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-01-12 14:53:48,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 14:53:48,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 14:53:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 14:53:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 14:53:48,741 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-01-12 14:53:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 14:53:48,742 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 14:53:48,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 14:53:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 14:53:48,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 14:53:48,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 14:53:48,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:53:48,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:53:48,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:53:48,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:53:48,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2019-01-12 14:53:49,491 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:53:49,491 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:53:49,491 INFO L448 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-01-12 14:53:49,492 INFO L444 ceAbstractionStarter]: At program point L746(lines 739 749) the Hoare annotation is: false [2019-01-12 14:53:49,492 INFO L444 ceAbstractionStarter]: At program point L746-1(lines 739 749) the Hoare annotation is: false [2019-01-12 14:53:49,493 INFO L444 ceAbstractionStarter]: At program point L746-2(lines 739 749) the Hoare annotation is: false [2019-01-12 14:53:49,494 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 620) no Hoare annotation was computed. [2019-01-12 14:53:49,495 INFO L444 ceAbstractionStarter]: At program point L614-1(lines 614 620) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,495 INFO L444 ceAbstractionStarter]: At program point L862(lines 857 865) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,495 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 14:53:49,496 INFO L444 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,496 INFO L444 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-01-12 14:53:49,496 INFO L444 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-01-12 14:53:49,496 INFO L444 ceAbstractionStarter]: At program point L650(lines 603 651) the Hoare annotation is: false [2019-01-12 14:53:49,497 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 645) no Hoare annotation was computed. [2019-01-12 14:53:49,498 INFO L444 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-01-12 14:53:49,498 INFO L444 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-01-12 14:53:49,498 INFO L444 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-01-12 14:53:49,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,498 INFO L444 ceAbstractionStarter]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~waterLevel~0)) [2019-01-12 14:53:49,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 14:53:49,499 INFO L448 ceAbstractionStarter]: For program point L702(lines 702 719) no Hoare annotation was computed. [2019-01-12 14:53:49,500 INFO L448 ceAbstractionStarter]: For program point L702-1(lines 702 719) no Hoare annotation was computed. [2019-01-12 14:53:49,500 INFO L448 ceAbstractionStarter]: For program point L702-2(lines 702 719) no Hoare annotation was computed. [2019-01-12 14:53:49,501 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,501 INFO L444 ceAbstractionStarter]: At program point L504-2(lines 504 518) the Hoare annotation is: false [2019-01-12 14:53:49,501 INFO L444 ceAbstractionStarter]: At program point L670(lines 669 688) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,501 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2019-01-12 14:53:49,501 INFO L444 ceAbstractionStarter]: At program point L670-2(lines 669 688) the Hoare annotation is: false [2019-01-12 14:53:49,502 INFO L444 ceAbstractionStarter]: At program point L670-3(lines 669 688) the Hoare annotation is: false [2019-01-12 14:53:49,503 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-01-12 14:53:49,504 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-01-12 14:53:49,504 INFO L448 ceAbstractionStarter]: For program point L605(lines 604 649) no Hoare annotation was computed. [2019-01-12 14:53:49,504 INFO L451 ceAbstractionStarter]: At program point L589(lines 570 592) the Hoare annotation is: true [2019-01-12 14:53:49,504 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 610) no Hoare annotation was computed. [2019-01-12 14:53:49,504 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 14:53:49,504 INFO L444 ceAbstractionStarter]: At program point L854(lines 1 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,505 INFO L444 ceAbstractionStarter]: At program point L755(lines 750 758) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,506 INFO L444 ceAbstractionStarter]: At program point L755-1(lines 750 758) the Hoare annotation is: false [2019-01-12 14:53:49,506 INFO L444 ceAbstractionStarter]: At program point L755-2(lines 750 758) the Hoare annotation is: false [2019-01-12 14:53:49,506 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 818) no Hoare annotation was computed. [2019-01-12 14:53:49,507 INFO L444 ceAbstractionStarter]: At program point L805-1(lines 1 865) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,507 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 818) no Hoare annotation was computed. [2019-01-12 14:53:49,507 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 714) no Hoare annotation was computed. [2019-01-12 14:53:49,507 INFO L444 ceAbstractionStarter]: At program point L805-3(lines 1 865) the Hoare annotation is: false [2019-01-12 14:53:49,507 INFO L448 ceAbstractionStarter]: For program point L706-1(lines 706 714) no Hoare annotation was computed. [2019-01-12 14:53:49,507 INFO L448 ceAbstractionStarter]: For program point L805-4(lines 805 818) no Hoare annotation was computed. [2019-01-12 14:53:49,507 INFO L448 ceAbstractionStarter]: For program point L640(lines 640 644) no Hoare annotation was computed. [2019-01-12 14:53:49,508 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2019-01-12 14:53:49,510 INFO L444 ceAbstractionStarter]: At program point L805-5(lines 1 865) the Hoare annotation is: false [2019-01-12 14:53:49,510 INFO L448 ceAbstractionStarter]: For program point L640-2(lines 670 676) no Hoare annotation was computed. [2019-01-12 14:53:49,510 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-01-12 14:53:49,510 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 670 676) no Hoare annotation was computed. [2019-01-12 14:53:49,510 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 630) no Hoare annotation was computed. [2019-01-12 14:53:49,511 INFO L444 ceAbstractionStarter]: At program point L624-1(lines 624 630) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,512 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,512 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-01-12 14:53:49,512 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 14:53:49,512 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 815) no Hoare annotation was computed. [2019-01-12 14:53:49,512 INFO L448 ceAbstractionStarter]: For program point L809-2(lines 809 815) no Hoare annotation was computed. [2019-01-12 14:53:49,513 INFO L444 ceAbstractionStarter]: At program point L677(lines 677 683) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-01-12 14:53:49,513 INFO L448 ceAbstractionStarter]: For program point L809-4(lines 809 815) no Hoare annotation was computed. [2019-01-12 14:53:49,513 INFO L444 ceAbstractionStarter]: At program point L677-1(lines 677 683) the Hoare annotation is: false [2019-01-12 14:53:49,513 INFO L444 ceAbstractionStarter]: At program point L677-2(lines 677 683) the Hoare annotation is: false [2019-01-12 14:53:49,513 INFO L448 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,513 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,514 INFO L448 ceAbstractionStarter]: For program point L827-2(line 827) no Hoare annotation was computed. [2019-01-12 14:53:49,516 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-01-12 14:53:49,516 INFO L451 ceAbstractionStarter]: At program point L580-1(lines 580 587) the Hoare annotation is: true [2019-01-12 14:53:49,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 02:53:49 BoogieIcfgContainer [2019-01-12 14:53:49,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 14:53:49,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 14:53:49,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 14:53:49,535 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 14:53:49,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 02:53:45" (3/4) ... [2019-01-12 14:53:49,543 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 14:53:49,561 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-01-12 14:53:49,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-01-12 14:53:49,563 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-01-12 14:53:49,565 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-01-12 14:53:49,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 14:53:49,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 14:53:49,607 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel [2019-01-12 14:53:49,608 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,611 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,612 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,613 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,615 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,617 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == \result) && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 [2019-01-12 14:53:49,708 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 14:53:49,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 14:53:49,709 INFO L168 Benchmark]: Toolchain (without parser) took 6205.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 952.7 MB in the beginning and 834.5 MB in the end (delta: 118.2 MB). Peak memory consumption was 207.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,710 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. [2019-01-12 14:53:49,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,712 INFO L168 Benchmark]: Boogie Preprocessor took 47.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 14:53:49,713 INFO L168 Benchmark]: RCFGBuilder took 1099.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,714 INFO L168 Benchmark]: TraceAbstraction took 4130.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 841.4 MB in the end (delta: 180.9 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,714 INFO L168 Benchmark]: Witness Printer took 173.40 ms. Allocated memory is still 1.1 GB. Free memory was 841.4 MB in the beginning and 834.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-01-12 14:53:49,718 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 678.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1099.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4130.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 841.4 MB in the end (delta: 180.9 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. * Witness Printer took 173.40 ms. Allocated memory is still 1.1 GB. Free memory was 841.4 MB in the beginning and 834.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: 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: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == \result) && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((tmp == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && tmp == waterLevel - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && splverifierCounter == 0) && \result == systemActive) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. SAFE Result, 4.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 312 SDtfs, 523 SDslu, 390 SDs, 0 SdLazy, 103 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 72 NumberOfFragments, 174 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1746 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 30 FomulaSimplificationsInter, 289 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...