java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem15_label10_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 03:01:36,387 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 03:01:36,389 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 03:01:36,401 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 03:01:36,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 03:01:36,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 03:01:36,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 03:01:36,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 03:01:36,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 03:01:36,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 03:01:36,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 03:01:36,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 03:01:36,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 03:01:36,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 03:01:36,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 03:01:36,414 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 03:01:36,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 03:01:36,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 03:01:36,419 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 03:01:36,420 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 03:01:36,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 03:01:36,423 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 03:01:36,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-24 03:01:36,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-24 03:01:36,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-24 03:01:36,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-24 03:01:36,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-24 03:01:36,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-24 03:01:36,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-24 03:01:36,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-24 03:01:36,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-24 03:01:36,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-24 03:01:36,435 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-07-24 03:01:36,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 03:01:36,454 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 03:01:36,455 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 03:01:36,455 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-07-24 03:01:36,456 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-07-24 03:01:36,456 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-07-24 03:01:36,456 INFO L133 SettingsManager]: * Use SBE=true [2018-07-24 03:01:36,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 03:01:36,457 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 03:01:36,458 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 03:01:36,458 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 03:01:36,458 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 03:01:36,458 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 03:01:36,459 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 03:01:36,459 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 03:01:36,459 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 03:01:36,459 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 03:01:36,459 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 03:01:36,460 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-07-24 03:01:36,460 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 03:01:36,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 03:01:36,460 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 03:01:36,460 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 03:01:36,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 03:01:36,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 03:01:36,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 03:01:36,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 03:01:36,526 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 03:01:36,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label10_true-unreach-call.c [2018-07-24 03:01:36,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7330bb1b2/e599a96500ba4132819b27ecbe820f80/FLAG313975f12 [2018-07-24 03:01:37,275 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 03:01:37,276 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label10_true-unreach-call.c [2018-07-24 03:01:37,298 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7330bb1b2/e599a96500ba4132819b27ecbe820f80/FLAG313975f12 [2018-07-24 03:01:37,316 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7330bb1b2/e599a96500ba4132819b27ecbe820f80 [2018-07-24 03:01:37,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 03:01:37,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 03:01:37,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 03:01:37,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 03:01:37,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 03:01:37,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:01:37" (1/1) ... [2018-07-24 03:01:37,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b26fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:37, skipping insertion in model container [2018-07-24 03:01:37,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 03:01:37" (1/1) ... [2018-07-24 03:01:37,569 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 03:01:38,138 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:01:38,155 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 03:01:38,447 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 03:01:38,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38 WrapperNode [2018-07-24 03:01:38,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 03:01:38,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 03:01:38,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 03:01:38,585 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 03:01:38,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:38,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:38,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 03:01:38,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 03:01:38,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 03:01:38,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 03:01:39,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (1/1) ... [2018-07-24 03:01:39,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 03:01:39,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 03:01:39,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 03:01:39,494 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 03:01:39,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (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 [2018-07-24 03:01:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-07-24 03:01:39,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 03:01:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 03:01:46,105 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 03:01:46,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:01:46 BoogieIcfgContainer [2018-07-24 03:01:46,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 03:01:46,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 03:01:46,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 03:01:46,111 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 03:01:46,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 03:01:37" (1/3) ... [2018-07-24 03:01:46,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289dd049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:01:46, skipping insertion in model container [2018-07-24 03:01:46,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 03:01:38" (2/3) ... [2018-07-24 03:01:46,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289dd049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 03:01:46, skipping insertion in model container [2018-07-24 03:01:46,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 03:01:46" (3/3) ... [2018-07-24 03:01:46,115 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label10_true-unreach-call.c [2018-07-24 03:01:46,124 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 03:01:46,134 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 03:01:46,205 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 03:01:46,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 03:01:46,206 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 03:01:46,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 03:01:46,206 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 03:01:46,207 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 03:01:46,207 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 03:01:46,207 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 03:01:46,207 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 03:01:46,241 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2018-07-24 03:01:46,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-24 03:01:46,249 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:01:46,250 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:01:46,251 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:01:46,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1433927590, now seen corresponding path program 1 times [2018-07-24 03:01:46,257 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:01:46,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:01:46,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:01:46,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:01:46,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:01:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:01:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:01:46,708 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:01:46,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:01:46,714 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:01:46,730 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:01:46,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:01:46,734 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 4 states. [2018-07-24 03:01:55,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:01:55,949 INFO L93 Difference]: Finished difference Result 1472 states and 2722 transitions. [2018-07-24 03:01:55,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:01:55,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-07-24 03:01:55,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:01:55,978 INFO L225 Difference]: With dead ends: 1472 [2018-07-24 03:01:55,979 INFO L226 Difference]: Without dead ends: 1040 [2018-07-24 03:01:55,985 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:01:56,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2018-07-24 03:01:56,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1036. [2018-07-24 03:01:56,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2018-07-24 03:01:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1672 transitions. [2018-07-24 03:01:56,094 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1672 transitions. Word has length 35 [2018-07-24 03:01:56,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:01:56,095 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1672 transitions. [2018-07-24 03:01:56,095 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:01:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1672 transitions. [2018-07-24 03:01:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-24 03:01:56,103 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:01:56,104 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:01:56,104 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:01:56,104 INFO L82 PathProgramCache]: Analyzing trace with hash 637574526, now seen corresponding path program 1 times [2018-07-24 03:01:56,104 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:01:56,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:01:56,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:01:56,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:01:56,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:01:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:01:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:01:56,486 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:01:56,486 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-24 03:01:56,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:01:56,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:01:56,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:01:56,489 INFO L87 Difference]: Start difference. First operand 1036 states and 1672 transitions. Second operand 4 states. [2018-07-24 03:02:02,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:02,349 INFO L93 Difference]: Finished difference Result 3938 states and 6430 transitions. [2018-07-24 03:02:02,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:02:02,352 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2018-07-24 03:02:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:02,368 INFO L225 Difference]: With dead ends: 3938 [2018-07-24 03:02:02,369 INFO L226 Difference]: Without dead ends: 2904 [2018-07-24 03:02:02,377 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:02:02,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2018-07-24 03:02:02,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 1938. [2018-07-24 03:02:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-07-24 03:02:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2805 transitions. [2018-07-24 03:02:02,431 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2805 transitions. Word has length 155 [2018-07-24 03:02:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:02,432 INFO L471 AbstractCegarLoop]: Abstraction has 1938 states and 2805 transitions. [2018-07-24 03:02:02,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:02:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2805 transitions. [2018-07-24 03:02:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-24 03:02:02,440 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:02,440 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:02,441 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:02,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1847969142, now seen corresponding path program 1 times [2018-07-24 03:02:02,446 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:02,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:02,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:02,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:02,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-07-24 03:02:02,914 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:02:02,915 INFO L221 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 [2018-07-24 03:02:02,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:03,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:02:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-07-24 03:02:03,280 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:02:03,280 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2018-07-24 03:02:03,282 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:02:03,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:02:03,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:02:03,283 INFO L87 Difference]: Start difference. First operand 1938 states and 2805 transitions. Second operand 4 states. [2018-07-24 03:02:15,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:15,539 INFO L93 Difference]: Finished difference Result 7184 states and 10306 transitions. [2018-07-24 03:02:15,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:02:15,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 232 [2018-07-24 03:02:15,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:15,574 INFO L225 Difference]: With dead ends: 7184 [2018-07-24 03:02:15,575 INFO L226 Difference]: Without dead ends: 5248 [2018-07-24 03:02:15,579 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:02:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5248 states. [2018-07-24 03:02:15,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5248 to 4646. [2018-07-24 03:02:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4646 states. [2018-07-24 03:02:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4646 states to 4646 states and 6263 transitions. [2018-07-24 03:02:15,680 INFO L78 Accepts]: Start accepts. Automaton has 4646 states and 6263 transitions. Word has length 232 [2018-07-24 03:02:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:15,681 INFO L471 AbstractCegarLoop]: Abstraction has 4646 states and 6263 transitions. [2018-07-24 03:02:15,681 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:02:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4646 states and 6263 transitions. [2018-07-24 03:02:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-07-24 03:02:15,689 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:15,690 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:15,690 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:15,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1545197573, now seen corresponding path program 1 times [2018-07-24 03:02:15,690 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:15,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:15,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:15,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:15,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:16,377 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2018-07-24 03:02:16,589 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2018-07-24 03:02:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-07-24 03:02:16,831 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:02:16,831 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:02:16,832 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-24 03:02:16,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-24 03:02:16,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:02:16,833 INFO L87 Difference]: Start difference. First operand 4646 states and 6263 transitions. Second operand 5 states. [2018-07-24 03:02:25,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:25,488 INFO L93 Difference]: Finished difference Result 11092 states and 14512 transitions. [2018-07-24 03:02:25,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:02:25,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 315 [2018-07-24 03:02:25,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:25,524 INFO L225 Difference]: With dead ends: 11092 [2018-07-24 03:02:25,524 INFO L226 Difference]: Without dead ends: 6448 [2018-07-24 03:02:25,532 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-24 03:02:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6448 states. [2018-07-24 03:02:25,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6448 to 6147. [2018-07-24 03:02:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6147 states. [2018-07-24 03:02:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 7862 transitions. [2018-07-24 03:02:25,655 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 7862 transitions. Word has length 315 [2018-07-24 03:02:25,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:25,655 INFO L471 AbstractCegarLoop]: Abstraction has 6147 states and 7862 transitions. [2018-07-24 03:02:25,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-24 03:02:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 7862 transitions. [2018-07-24 03:02:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-07-24 03:02:25,665 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:25,666 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:25,666 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:25,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1783853203, now seen corresponding path program 1 times [2018-07-24 03:02:25,666 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:25,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:25,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:25,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:25,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:02:26,224 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:02:26,224 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:02:26,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:02:26,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:02:26,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:02:26,227 INFO L87 Difference]: Start difference. First operand 6147 states and 7862 transitions. Second operand 4 states. [2018-07-24 03:02:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:32,214 INFO L93 Difference]: Finished difference Result 15298 states and 20011 transitions. [2018-07-24 03:02:32,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:02:32,215 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 389 [2018-07-24 03:02:32,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:32,252 INFO L225 Difference]: With dead ends: 15298 [2018-07-24 03:02:32,253 INFO L226 Difference]: Without dead ends: 9153 [2018-07-24 03:02:32,260 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:02:32,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9153 states. [2018-07-24 03:02:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9153 to 9150. [2018-07-24 03:02:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9150 states. [2018-07-24 03:02:32,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9150 states to 9150 states and 11448 transitions. [2018-07-24 03:02:32,418 INFO L78 Accepts]: Start accepts. Automaton has 9150 states and 11448 transitions. Word has length 389 [2018-07-24 03:02:32,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:32,419 INFO L471 AbstractCegarLoop]: Abstraction has 9150 states and 11448 transitions. [2018-07-24 03:02:32,419 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:02:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 9150 states and 11448 transitions. [2018-07-24 03:02:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2018-07-24 03:02:32,435 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:32,436 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:32,436 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:32,436 INFO L82 PathProgramCache]: Analyzing trace with hash -140913389, now seen corresponding path program 1 times [2018-07-24 03:02:32,436 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:32,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:32,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:32,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:32,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:33,224 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2018-07-24 03:02:33,435 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2018-07-24 03:02:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 384 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-07-24 03:02:33,912 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:02:33,912 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:02:33,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:34,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:02:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-07-24 03:02:34,344 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:02:34,344 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2018-07-24 03:02:34,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 03:02:34,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 03:02:34,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:02:34,346 INFO L87 Difference]: Start difference. First operand 9150 states and 11448 transitions. Second operand 8 states. [2018-07-24 03:02:44,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:44,040 INFO L93 Difference]: Finished difference Result 22668 states and 27579 transitions. [2018-07-24 03:02:44,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 03:02:44,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 465 [2018-07-24 03:02:44,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:44,076 INFO L225 Difference]: With dead ends: 22668 [2018-07-24 03:02:44,077 INFO L226 Difference]: Without dead ends: 9445 [2018-07-24 03:02:44,089 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 468 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2018-07-24 03:02:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9445 states. [2018-07-24 03:02:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9445 to 9145. [2018-07-24 03:02:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9145 states. [2018-07-24 03:02:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9145 states to 9145 states and 10683 transitions. [2018-07-24 03:02:44,225 INFO L78 Accepts]: Start accepts. Automaton has 9145 states and 10683 transitions. Word has length 465 [2018-07-24 03:02:44,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:44,226 INFO L471 AbstractCegarLoop]: Abstraction has 9145 states and 10683 transitions. [2018-07-24 03:02:44,226 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 03:02:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 9145 states and 10683 transitions. [2018-07-24 03:02:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-07-24 03:02:44,241 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:44,241 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:44,241 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:44,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1737612351, now seen corresponding path program 1 times [2018-07-24 03:02:44,242 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:44,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:44,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:44,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:44,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:44,888 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-24 03:02:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 264 proven. 136 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-07-24 03:02:45,471 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:02:45,471 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:02:45,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:45,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:02:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-07-24 03:02:45,888 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:02:45,889 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2018-07-24 03:02:45,890 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 03:02:45,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 03:02:45,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-24 03:02:45,891 INFO L87 Difference]: Start difference. First operand 9145 states and 10683 transitions. Second operand 9 states. [2018-07-24 03:02:55,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:02:55,761 INFO L93 Difference]: Finished difference Result 18706 states and 21787 transitions. [2018-07-24 03:02:55,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-24 03:02:55,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 541 [2018-07-24 03:02:55,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:02:55,780 INFO L225 Difference]: With dead ends: 18706 [2018-07-24 03:02:55,781 INFO L226 Difference]: Without dead ends: 9563 [2018-07-24 03:02:55,790 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 545 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-07-24 03:02:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2018-07-24 03:02:55,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 9141. [2018-07-24 03:02:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9141 states. [2018-07-24 03:02:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9141 states to 9141 states and 10091 transitions. [2018-07-24 03:02:55,913 INFO L78 Accepts]: Start accepts. Automaton has 9141 states and 10091 transitions. Word has length 541 [2018-07-24 03:02:55,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:02:55,914 INFO L471 AbstractCegarLoop]: Abstraction has 9141 states and 10091 transitions. [2018-07-24 03:02:55,915 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 03:02:55,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9141 states and 10091 transitions. [2018-07-24 03:02:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2018-07-24 03:02:55,933 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:02:55,934 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:02:55,934 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:02:55,935 INFO L82 PathProgramCache]: Analyzing trace with hash -3299966, now seen corresponding path program 1 times [2018-07-24 03:02:55,935 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:02:55,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:02:55,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:55,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:55,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:02:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-07-24 03:02:57,313 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:02:57,313 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:02:57,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:02:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:02:57,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:02:59,946 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 15 [2018-07-24 03:03:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-07-24 03:03:00,280 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-24 03:03:00,280 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2018-07-24 03:03:00,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 03:03:00,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 03:03:00,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=19, Unknown=1, NotChecked=0, Total=30 [2018-07-24 03:03:00,282 INFO L87 Difference]: Start difference. First operand 9141 states and 10091 transitions. Second operand 6 states. [2018-07-24 03:04:20,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:04:20,367 INFO L93 Difference]: Finished difference Result 42539 states and 47431 transitions. [2018-07-24 03:04:20,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-24 03:04:20,368 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 579 [2018-07-24 03:04:20,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:04:20,427 INFO L225 Difference]: With dead ends: 42539 [2018-07-24 03:04:20,427 INFO L226 Difference]: Without dead ends: 33400 [2018-07-24 03:04:20,441 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=24, Invalid=47, Unknown=1, NotChecked=0, Total=72 [2018-07-24 03:04:20,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33400 states. [2018-07-24 03:04:20,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33400 to 32778. [2018-07-24 03:04:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32778 states. [2018-07-24 03:04:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32778 states to 32778 states and 35578 transitions. [2018-07-24 03:04:20,888 INFO L78 Accepts]: Start accepts. Automaton has 32778 states and 35578 transitions. Word has length 579 [2018-07-24 03:04:20,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:04:20,889 INFO L471 AbstractCegarLoop]: Abstraction has 32778 states and 35578 transitions. [2018-07-24 03:04:20,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 03:04:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 32778 states and 35578 transitions. [2018-07-24 03:04:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2018-07-24 03:04:20,901 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:04:20,903 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:04:20,904 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:04:20,904 INFO L82 PathProgramCache]: Analyzing trace with hash 401016699, now seen corresponding path program 1 times [2018-07-24 03:04:20,904 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:04:20,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:04:20,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:20,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:20,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:21,541 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 3 [2018-07-24 03:04:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-07-24 03:04:21,712 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:04:21,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-24 03:04:21,713 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-24 03:04:21,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-24 03:04:21,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:04:21,714 INFO L87 Difference]: Start difference. First operand 32778 states and 35578 transitions. Second operand 4 states. [2018-07-24 03:04:26,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:04:26,450 INFO L93 Difference]: Finished difference Result 81817 states and 89092 transitions. [2018-07-24 03:04:26,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-24 03:04:26,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 600 [2018-07-24 03:04:26,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:04:26,512 INFO L225 Difference]: With dead ends: 81817 [2018-07-24 03:04:26,513 INFO L226 Difference]: Without dead ends: 50243 [2018-07-24 03:04:26,539 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-24 03:04:26,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50243 states. [2018-07-24 03:04:26,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50243 to 23582. [2018-07-24 03:04:26,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23582 states. [2018-07-24 03:04:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23582 states to 23582 states and 25445 transitions. [2018-07-24 03:04:26,970 INFO L78 Accepts]: Start accepts. Automaton has 23582 states and 25445 transitions. Word has length 600 [2018-07-24 03:04:26,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:04:26,972 INFO L471 AbstractCegarLoop]: Abstraction has 23582 states and 25445 transitions. [2018-07-24 03:04:26,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-24 03:04:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 23582 states and 25445 transitions. [2018-07-24 03:04:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-07-24 03:04:26,998 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:04:26,999 INFO L353 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:04:26,999 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:04:26,999 INFO L82 PathProgramCache]: Analyzing trace with hash -454982086, now seen corresponding path program 1 times [2018-07-24 03:04:26,999 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:04:27,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:04:27,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:27,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:27,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 98 proven. 378 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-07-24 03:04:28,310 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:04:28,310 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:04:28,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:28,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:04:28,995 WARN L169 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 57 [2018-07-24 03:04:30,448 WARN L169 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-07-24 03:04:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 475 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 03:04:34,064 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:04:34,065 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 6] total 8 [2018-07-24 03:04:34,066 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-24 03:04:34,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-24 03:04:34,067 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-24 03:04:34,067 INFO L87 Difference]: Start difference. First operand 23582 states and 25445 transitions. Second operand 8 states. [2018-07-24 03:04:43,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:04:43,322 INFO L93 Difference]: Finished difference Result 61590 states and 65886 transitions. [2018-07-24 03:04:43,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-24 03:04:43,323 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 707 [2018-07-24 03:04:43,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:04:43,361 INFO L225 Difference]: With dead ends: 61590 [2018-07-24 03:04:43,361 INFO L226 Difference]: Without dead ends: 30453 [2018-07-24 03:04:43,380 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2018-07-24 03:04:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30453 states. [2018-07-24 03:04:43,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30453 to 12358. [2018-07-24 03:04:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12358 states. [2018-07-24 03:04:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12358 states to 12358 states and 12818 transitions. [2018-07-24 03:04:43,615 INFO L78 Accepts]: Start accepts. Automaton has 12358 states and 12818 transitions. Word has length 707 [2018-07-24 03:04:43,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:04:43,616 INFO L471 AbstractCegarLoop]: Abstraction has 12358 states and 12818 transitions. [2018-07-24 03:04:43,616 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-24 03:04:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 12358 states and 12818 transitions. [2018-07-24 03:04:43,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2018-07-24 03:04:43,636 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:04:43,637 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:04:43,637 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:04:43,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1618579771, now seen corresponding path program 1 times [2018-07-24 03:04:43,638 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:04:43,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:04:43,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:43,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:43,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 668 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-07-24 03:04:46,125 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 03:04:46,125 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-07-24 03:04:46,126 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-24 03:04:46,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-24 03:04:46,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-07-24 03:04:46,127 INFO L87 Difference]: Start difference. First operand 12358 states and 12818 transitions. Second operand 9 states. [2018-07-24 03:04:47,711 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-07-24 03:04:52,684 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-07-24 03:04:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:04:55,124 INFO L93 Difference]: Finished difference Result 28774 states and 29904 transitions. [2018-07-24 03:04:55,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-24 03:04:55,124 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 869 [2018-07-24 03:04:55,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:04:55,141 INFO L225 Difference]: With dead ends: 28774 [2018-07-24 03:04:55,142 INFO L226 Difference]: Without dead ends: 17918 [2018-07-24 03:04:55,151 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2018-07-24 03:04:55,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17918 states. [2018-07-24 03:04:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17918 to 12958. [2018-07-24 03:04:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12958 states. [2018-07-24 03:04:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12958 states to 12958 states and 13325 transitions. [2018-07-24 03:04:55,352 INFO L78 Accepts]: Start accepts. Automaton has 12958 states and 13325 transitions. Word has length 869 [2018-07-24 03:04:55,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:04:55,353 INFO L471 AbstractCegarLoop]: Abstraction has 12958 states and 13325 transitions. [2018-07-24 03:04:55,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-24 03:04:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 12958 states and 13325 transitions. [2018-07-24 03:04:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2018-07-24 03:04:55,373 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:04:55,373 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:04:55,374 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:04:55,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1628347907, now seen corresponding path program 1 times [2018-07-24 03:04:55,374 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:04:55,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:04:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:55,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:04:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:56,869 WARN L169 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2018-07-24 03:04:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 673 proven. 33 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-07-24 03:04:58,522 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:04:58,522 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:04:58,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:04:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:04:58,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:04:59,155 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2018-07-24 03:04:59,509 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-07-24 03:04:59,857 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2018-07-24 03:05:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 682 proven. 24 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-07-24 03:05:01,420 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:05:01,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2018-07-24 03:05:01,422 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-24 03:05:01,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-24 03:05:01,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-07-24 03:05:01,422 INFO L87 Difference]: Start difference. First operand 12958 states and 13325 transitions. Second operand 13 states. [2018-07-24 03:05:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 03:05:20,190 INFO L93 Difference]: Finished difference Result 35239 states and 36229 transitions. [2018-07-24 03:05:20,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-24 03:05:20,190 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 907 [2018-07-24 03:05:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 03:05:20,212 INFO L225 Difference]: With dead ends: 35239 [2018-07-24 03:05:20,213 INFO L226 Difference]: Without dead ends: 23773 [2018-07-24 03:05:20,224 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 928 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=617, Invalid=1735, Unknown=0, NotChecked=0, Total=2352 [2018-07-24 03:05:20,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23773 states. [2018-07-24 03:05:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23773 to 15064. [2018-07-24 03:05:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15064 states. [2018-07-24 03:05:20,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15064 states to 15064 states and 15452 transitions. [2018-07-24 03:05:20,458 INFO L78 Accepts]: Start accepts. Automaton has 15064 states and 15452 transitions. Word has length 907 [2018-07-24 03:05:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 03:05:20,459 INFO L471 AbstractCegarLoop]: Abstraction has 15064 states and 15452 transitions. [2018-07-24 03:05:20,459 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-24 03:05:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15064 states and 15452 transitions. [2018-07-24 03:05:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2018-07-24 03:05:20,480 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 03:05:20,481 INFO L353 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 03:05:20,481 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 03:05:20,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1414552771, now seen corresponding path program 1 times [2018-07-24 03:05:20,481 INFO L221 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-07-24 03:05:20,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-07-24 03:05:20,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:05:20,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:05:20,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 03:05:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:05:21,278 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-24 03:05:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 624 proven. 269 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-07-24 03:05:22,484 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-24 03:05:22,485 INFO L221 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-07-24 03:05:22,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 03:05:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 03:05:22,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-07-24 03:05:23,500 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2018-07-24 03:05:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 724 proven. 33 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2018-07-24 03:05:24,823 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-07-24 03:05:24,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2018-07-24 03:05:24,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-24 03:05:24,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-24 03:05:24,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-07-24 03:05:24,826 INFO L87 Difference]: Start difference. First operand 15064 states and 15452 transitions. Second operand 13 states. Received shutdown request... [2018-07-24 03:05:39,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-24 03:05:39,681 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-24 03:05:39,686 WARN L202 ceAbstractionStarter]: Timeout [2018-07-24 03:05:39,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 03:05:39 BoogieIcfgContainer [2018-07-24 03:05:39,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 03:05:39,688 INFO L168 Benchmark]: Toolchain (without parser) took 242358.56 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 1.9 GB in the end (delta: -532.9 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,689 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 03:05:39,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1250.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 277.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,691 INFO L168 Benchmark]: Boogie Preprocessor took 631.11 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 884.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,692 INFO L168 Benchmark]: RCFGBuilder took 6612.10 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 336.5 MB). Peak memory consumption was 336.5 MB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,693 INFO L168 Benchmark]: TraceAbstraction took 233579.72 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 15.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-07-24 03:05:39,697 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1250.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 277.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 631.11 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 884.5 MB). Free memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: -1.0 GB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 6612.10 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 1.9 GB in the end (delta: 336.5 MB). Peak memory consumption was 336.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233579.72 ms. Allocated memory was 2.4 GB in the beginning and 4.1 GB in the end (delta: 1.7 GB). Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 15.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 109). Cancelled while BasicCegarLoop was constructing difference of abstraction (15064states) and interpolant automaton (currently 37 states, 13 states before enhancement), while ReachableStatesComputation was computing reachable states (32972 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. TIMEOUT Result, 233.4s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 198.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2917 SDtfs, 36092 SDslu, 3321 SDs, 0 SdLazy, 56546 SolverSat, 8118 SolverUnsat, 29 SolverUnknown, 0 SolverNotchecked, 176.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4637 GetRequests, 4466 SyntacticMatches, 15 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32778occurred in iteration=8, 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: 2.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 61645 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 11145 NumberOfCodeBlocks, 11145 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 11125 ConstructedInterpolants, 275 QuantifiedInterpolants, 62655768 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5128 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 9203/10290 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label10_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_03-05-39-711.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem15_label10_true-unreach-call.c_svcomp-Reach-64bit-Automizer_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_03-05-39-711.csv Completed graceful shutdown