java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-24 19:08:14,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-24 19:08:14,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-24 19:08:14,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-24 19:08:14,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-24 19:08:14,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-24 19:08:14,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-24 19:08:14,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-24 19:08:14,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-24 19:08:14,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-24 19:08:14,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-24 19:08:14,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-24 19:08:14,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-24 19:08:14,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-24 19:08:14,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-24 19:08:14,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-24 19:08:14,423 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-24 19:08:14,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-24 19:08:14,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-24 19:08:14,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-24 19:08:14,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-24 19:08:14,433 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-24 19:08:14,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-24 19:08:14,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-24 19:08:14,441 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-24 19:08:14,442 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-24 19:08:14,443 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-24 19:08:14,444 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-24 19:08:14,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-24 19:08:14,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-24 19:08:14,446 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-24 19:08:14,446 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-24 19:08:14,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-24 19:08:14,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-24 19:08:14,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-24 19:08:14,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-24 19:08:14,449 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-24 19:08:14,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-24 19:08:14,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-24 19:08:14,465 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-24 19:08:14,465 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-24 19:08:14,465 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-24 19:08:14,466 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-24 19:08:14,466 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-24 19:08:14,466 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-24 19:08:14,466 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-24 19:08:14,467 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-24 19:08:14,467 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-24 19:08:14,467 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-24 19:08:14,468 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-24 19:08:14,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-24 19:08:14,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-24 19:08:14,468 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-24 19:08:14,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-24 19:08:14,469 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-24 19:08:14,469 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-24 19:08:14,469 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-24 19:08:14,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-24 19:08:14,470 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-24 19:08:14,470 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-24 19:08:14,470 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-24 19:08:14,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-24 19:08:14,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-24 19:08:14,471 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-24 19:08:14,471 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-24 19:08:14,471 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-24 19:08:14,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-24 19:08:14,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-24 19:08:14,472 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-24 19:08:14,472 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-24 19:08:14,472 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-24 19:08:14,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-24 19:08:14,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-24 19:08:14,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-24 19:08:14,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-24 19:08:14,535 INFO L276 PluginConnector]: CDTParser initialized [2018-10-24 19:08:14,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-10-24 19:08:14,598 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d4cd101b9/9c0287bd92e74b798ff725e5be0877a2/FLAG02e89ba6e [2018-10-24 19:08:15,542 INFO L298 CDTParser]: Found 1 translation units. [2018-10-24 19:08:15,543 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem19_label43_false-unreach-call.c [2018-10-24 19:08:15,595 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d4cd101b9/9c0287bd92e74b798ff725e5be0877a2/FLAG02e89ba6e [2018-10-24 19:08:15,615 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/d4cd101b9/9c0287bd92e74b798ff725e5be0877a2 [2018-10-24 19:08:15,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-24 19:08:15,632 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-24 19:08:15,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:15,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-24 19:08:15,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-24 19:08:15,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:15" (1/1) ... [2018-10-24 19:08:15,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748c7e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:15, skipping insertion in model container [2018-10-24 19:08:15,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:08:15" (1/1) ... [2018-10-24 19:08:15,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-24 19:08:15,915 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-24 19:08:17,890 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:17,894 INFO L189 MainTranslator]: Completed pre-run [2018-10-24 19:08:18,960 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-24 19:08:19,009 INFO L193 MainTranslator]: Completed translation [2018-10-24 19:08:19,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19 WrapperNode [2018-10-24 19:08:19,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-24 19:08:19,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:19,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-24 19:08:19,011 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-24 19:08:19,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:19,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:19,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-24 19:08:19,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-24 19:08:19,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-24 19:08:19,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-24 19:08:19,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:19,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:19,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:19,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:20,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:20,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:20,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... [2018-10-24 19:08:20,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-24 19:08:20,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-24 19:08:20,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-24 19:08:20,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-24 19:08:20,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-24 19:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-24 19:08:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-24 19:08:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-10-24 19:08:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-10-24 19:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-10-24 19:08:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-10-24 19:08:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-10-24 19:08:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-10-24 19:08:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-10-24 19:08:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-10-24 19:08:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-10-24 19:08:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-10-24 19:08:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-24 19:08:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-24 19:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-24 19:08:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-24 19:08:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-24 19:08:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-24 19:08:38,547 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-24 19:08:38,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:38 BoogieIcfgContainer [2018-10-24 19:08:38,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-24 19:08:38,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-24 19:08:38,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-24 19:08:38,552 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-24 19:08:38,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:08:15" (1/3) ... [2018-10-24 19:08:38,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194e5988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:38, skipping insertion in model container [2018-10-24 19:08:38,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:08:19" (2/3) ... [2018-10-24 19:08:38,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194e5988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:08:38, skipping insertion in model container [2018-10-24 19:08:38,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:08:38" (3/3) ... [2018-10-24 19:08:38,556 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem19_label43_false-unreach-call.c [2018-10-24 19:08:38,565 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-24 19:08:38,576 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-24 19:08:38,593 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-24 19:08:38,649 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-24 19:08:38,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-24 19:08:38,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-24 19:08:38,650 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-24 19:08:38,650 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-24 19:08:38,650 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-24 19:08:38,650 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-24 19:08:38,650 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-24 19:08:38,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states. [2018-10-24 19:08:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-24 19:08:38,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:08:38,718 INFO L375 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] [2018-10-24 19:08:38,720 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:08:38,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:08:38,726 INFO L82 PathProgramCache]: Analyzing trace with hash 522574706, now seen corresponding path program 1 times [2018-10-24 19:08:38,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:08:38,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:38,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:08:38,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:38,785 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:08:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:08:39,155 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:08:39,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:08:39,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:08:39,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-24 19:08:39,276 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:08:39,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-24 19:08:39,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-24 19:08:39,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:08:39,303 INFO L87 Difference]: Start difference. First operand 1778 states. Second operand 3 states. [2018-10-24 19:08:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:08:57,358 INFO L93 Difference]: Finished difference Result 4998 states and 9417 transitions. [2018-10-24 19:08:57,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-24 19:08:57,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-10-24 19:08:57,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:08:57,407 INFO L225 Difference]: With dead ends: 4998 [2018-10-24 19:08:57,407 INFO L226 Difference]: Without dead ends: 3218 [2018-10-24 19:08:57,419 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-24 19:08:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3218 states. [2018-10-24 19:08:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3218 to 3215. [2018-10-24 19:08:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3215 states. [2018-10-24 19:08:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 3215 states and 5854 transitions. [2018-10-24 19:08:57,643 INFO L78 Accepts]: Start accepts. Automaton has 3215 states and 5854 transitions. Word has length 29 [2018-10-24 19:08:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:08:57,644 INFO L481 AbstractCegarLoop]: Abstraction has 3215 states and 5854 transitions. [2018-10-24 19:08:57,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-24 19:08:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 5854 transitions. [2018-10-24 19:08:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-24 19:08:57,653 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:08:57,653 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:08:57,654 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:08:57,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:08:57,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1863173052, now seen corresponding path program 1 times [2018-10-24 19:08:57,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:08:57,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:57,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:08:57,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:08:57,657 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:08:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:08:58,050 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:08:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:08:58,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:08:58,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:08:58,437 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:08:58,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:08:58,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:08:58,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:08:58,440 INFO L87 Difference]: Start difference. First operand 3215 states and 5854 transitions. Second operand 6 states. [2018-10-24 19:09:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:26,071 INFO L93 Difference]: Finished difference Result 10744 states and 19770 transitions. [2018-10-24 19:09:26,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:09:26,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-10-24 19:09:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:26,122 INFO L225 Difference]: With dead ends: 10744 [2018-10-24 19:09:26,122 INFO L226 Difference]: Without dead ends: 7535 [2018-10-24 19:09:26,135 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:09:26,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7535 states. [2018-10-24 19:09:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7535 to 7498. [2018-10-24 19:09:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7498 states. [2018-10-24 19:09:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7498 states to 7498 states and 12452 transitions. [2018-10-24 19:09:26,359 INFO L78 Accepts]: Start accepts. Automaton has 7498 states and 12452 transitions. Word has length 101 [2018-10-24 19:09:26,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:26,360 INFO L481 AbstractCegarLoop]: Abstraction has 7498 states and 12452 transitions. [2018-10-24 19:09:26,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:09:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7498 states and 12452 transitions. [2018-10-24 19:09:26,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-24 19:09:26,373 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:26,374 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:26,374 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:26,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:26,374 INFO L82 PathProgramCache]: Analyzing trace with hash -678238073, now seen corresponding path program 1 times [2018-10-24 19:09:26,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:26,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:26,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:26,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:26,376 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:26,655 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:26,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:26,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:09:26,656 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:26,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:09:26,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:09:26,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:26,660 INFO L87 Difference]: Start difference. First operand 7498 states and 12452 transitions. Second operand 6 states. [2018-10-24 19:09:53,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:09:53,656 INFO L93 Difference]: Finished difference Result 23905 states and 40026 transitions. [2018-10-24 19:09:53,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:09:53,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-10-24 19:09:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:09:53,749 INFO L225 Difference]: With dead ends: 23905 [2018-10-24 19:09:53,750 INFO L226 Difference]: Without dead ends: 16413 [2018-10-24 19:09:53,781 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:09:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2018-10-24 19:09:54,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16230. [2018-10-24 19:09:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16230 states. [2018-10-24 19:09:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16230 states to 16230 states and 25357 transitions. [2018-10-24 19:09:54,247 INFO L78 Accepts]: Start accepts. Automaton has 16230 states and 25357 transitions. Word has length 103 [2018-10-24 19:09:54,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:09:54,248 INFO L481 AbstractCegarLoop]: Abstraction has 16230 states and 25357 transitions. [2018-10-24 19:09:54,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:09:54,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16230 states and 25357 transitions. [2018-10-24 19:09:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-24 19:09:54,260 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:09:54,261 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:09:54,261 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:09:54,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:09:54,262 INFO L82 PathProgramCache]: Analyzing trace with hash -89352888, now seen corresponding path program 1 times [2018-10-24 19:09:54,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:09:54,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:54,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:09:54,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:09:54,263 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:09:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:09:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:09:54,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:09:54,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:09:54,591 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:09:54,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:09:54,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:09:54,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:09:54,592 INFO L87 Difference]: Start difference. First operand 16230 states and 25357 transitions. Second operand 6 states. [2018-10-24 19:10:44,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:10:44,202 INFO L93 Difference]: Finished difference Result 61533 states and 99785 transitions. [2018-10-24 19:10:44,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:10:44,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-24 19:10:44,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:10:44,387 INFO L225 Difference]: With dead ends: 61533 [2018-10-24 19:10:44,387 INFO L226 Difference]: Without dead ends: 45309 [2018-10-24 19:10:44,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:10:44,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45309 states. [2018-10-24 19:10:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45309 to 45209. [2018-10-24 19:10:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45209 states. [2018-10-24 19:10:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45209 states to 45209 states and 66648 transitions. [2018-10-24 19:10:45,493 INFO L78 Accepts]: Start accepts. Automaton has 45209 states and 66648 transitions. Word has length 125 [2018-10-24 19:10:45,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:10:45,494 INFO L481 AbstractCegarLoop]: Abstraction has 45209 states and 66648 transitions. [2018-10-24 19:10:45,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:10:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 45209 states and 66648 transitions. [2018-10-24 19:10:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-24 19:10:45,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:10:45,499 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:10:45,500 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:10:45,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:10:45,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1894066628, now seen corresponding path program 1 times [2018-10-24 19:10:45,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:10:45,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:45,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:10:45,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:10:45,502 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:10:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:10:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:10:45,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:10:45,844 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-24 19:10:45,844 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:10:45,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-24 19:10:45,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-24 19:10:45,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-24 19:10:45,847 INFO L87 Difference]: Start difference. First operand 45209 states and 66648 transitions. Second operand 5 states. [2018-10-24 19:11:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:11:15,853 INFO L93 Difference]: Finished difference Result 135585 states and 211802 transitions. [2018-10-24 19:11:15,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-24 19:11:15,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-10-24 19:11:15,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:11:16,251 INFO L225 Difference]: With dead ends: 135585 [2018-10-24 19:11:16,251 INFO L226 Difference]: Without dead ends: 90382 [2018-10-24 19:11:16,380 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-24 19:11:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90382 states. [2018-10-24 19:11:18,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90382 to 89656. [2018-10-24 19:11:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89656 states. [2018-10-24 19:11:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89656 states to 89656 states and 124642 transitions. [2018-10-24 19:11:19,114 INFO L78 Accepts]: Start accepts. Automaton has 89656 states and 124642 transitions. Word has length 134 [2018-10-24 19:11:19,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:11:19,114 INFO L481 AbstractCegarLoop]: Abstraction has 89656 states and 124642 transitions. [2018-10-24 19:11:19,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-24 19:11:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 89656 states and 124642 transitions. [2018-10-24 19:11:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-24 19:11:19,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:11:19,119 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-10-24 19:11:19,119 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:11:19,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:19,121 INFO L82 PathProgramCache]: Analyzing trace with hash -711587973, now seen corresponding path program 1 times [2018-10-24 19:11:19,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:11:19,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:19,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:11:19,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:19,122 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:11:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:11:19,405 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-24 19:11:19,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-24 19:11:19,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-24 19:11:19,406 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:11:19,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-24 19:11:19,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-24 19:11:19,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-24 19:11:19,407 INFO L87 Difference]: Start difference. First operand 89656 states and 124642 transitions. Second operand 6 states. [2018-10-24 19:11:42,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-24 19:11:42,955 INFO L93 Difference]: Finished difference Result 210994 states and 310242 transitions. [2018-10-24 19:11:42,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:11:42,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-10-24 19:11:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-24 19:11:43,432 INFO L225 Difference]: With dead ends: 210994 [2018-10-24 19:11:43,432 INFO L226 Difference]: Without dead ends: 121344 [2018-10-24 19:11:43,615 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-24 19:11:43,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121344 states. [2018-10-24 19:11:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121344 to 120984. [2018-10-24 19:11:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120984 states. [2018-10-24 19:11:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120984 states to 120984 states and 164298 transitions. [2018-10-24 19:11:46,228 INFO L78 Accepts]: Start accepts. Automaton has 120984 states and 164298 transitions. Word has length 162 [2018-10-24 19:11:46,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-24 19:11:46,229 INFO L481 AbstractCegarLoop]: Abstraction has 120984 states and 164298 transitions. [2018-10-24 19:11:46,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-24 19:11:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 120984 states and 164298 transitions. [2018-10-24 19:11:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-24 19:11:46,235 INFO L367 BasicCegarLoop]: Found error trace [2018-10-24 19:11:46,235 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-24 19:11:46,236 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-24 19:11:46,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:46,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1973286022, now seen corresponding path program 1 times [2018-10-24 19:11:46,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-24 19:11:46,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:46,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-24 19:11:46,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-24 19:11:46,237 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-24 19:11:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-24 19:11:46,469 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-24 19:11:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 44 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-24 19:11:46,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-24 19:11:46,574 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-24 19:11:46,575 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-10-24 19:11:46,577 INFO L202 CegarAbsIntRunner]: [0], [1], [5227], [5234], [5242], [5250], [5258], [5266], [5274], [5282], [5290], [5298], [5306], [5314], [5322], [5330], [5338], [5346], [5354], [5358], [5360], [5363], [5371], [5379], [5387], [5395], [5403], [5411], [5419], [5427], [5435], [5443], [5451], [5459], [5467], [5475], [5483], [5491], [5499], [5507], [5515], [5523], [5531], [5539], [5547], [5555], [5563], [5571], [5579], [5587], [5595], [5603], [5611], [5619], [5627], [5635], [5643], [5651], [5659], [5667], [5675], [5683], [5691], [5699], [5707], [5715], [5719], [5722], [5726], [5727], [5731], [5742], [5746], [5750], [5754], [5758], [5762], [5766], [5770], [5774], [5778], [5782], [5786], [5797], [5808], [5819], [5823], [5827], [5838], [5842], [5846], [5850], [5854], [5858], [5862], [5866], [5870], [5874], [5877], [6802], [6806], [6810], [6816], [6820], [6822], [6837], [6838], [6839], [6841], [6842] [2018-10-24 19:11:46,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-24 19:11:46,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-24 19:11:50,341 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-24 19:11:50,426 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-24 19:11:50,428 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-10-24 19:11:50,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-24 19:11:50,434 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-24 19:11:52,365 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 75.28% of their original sizes. [2018-10-24 19:11:52,365 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-24 19:11:52,685 INFO L413 sIntCurrentIteration]: We have 199 unified AI predicates [2018-10-24 19:11:52,686 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-24 19:11:52,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-24 19:11:52,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-10-24 19:11:52,687 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-24 19:11:52,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-24 19:11:52,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-24 19:11:52,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-10-24 19:11:52,688 INFO L87 Difference]: Start difference. First operand 120984 states and 164298 transitions. Second operand 7 states. Received shutdown request... [2018-10-24 19:12:04,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-24 19:12:04,723 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-24 19:12:04,728 WARN L205 ceAbstractionStarter]: Timeout [2018-10-24 19:12:04,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:12:04 BoogieIcfgContainer [2018-10-24 19:12:04,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-24 19:12:04,729 INFO L168 Benchmark]: Toolchain (without parser) took 229098.83 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -119.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,730 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-24 19:12:04,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3376.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 991.7 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 776.91 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.7 MB). Free memory was 991.7 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,732 INFO L168 Benchmark]: Boogie Preprocessor took 587.12 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,733 INFO L168 Benchmark]: RCFGBuilder took 18172.23 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 164.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 519.8 MB). Peak memory consumption was 684.5 MB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,734 INFO L168 Benchmark]: TraceAbstraction took 206179.59 ms. Allocated memory was 2.6 GB in the beginning and 3.7 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 186.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-24 19:12:04,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3376.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 991.7 MB in the end (delta: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 776.91 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 867.7 MB). Free memory was 991.7 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 117.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 587.12 ms. Allocated memory is still 2.4 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18172.23 ms. Allocated memory was 2.4 GB in the beginning and 2.6 GB in the end (delta: 164.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 519.8 MB). Peak memory consumption was 684.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206179.59 ms. Allocated memory was 2.6 GB in the beginning and 3.7 GB in the end (delta: 1.2 GB). Free memory was 1.7 GB in the beginning and 1.5 GB in the end (delta: 186.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 82). Cancelled while BasicCegarLoop was constructing difference of abstraction (120984states) and FLOYD_HOARE automaton (currently 7 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (3997 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 1778 locations, 1 error locations. TIMEOUT Result, 206.0s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 189.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3667 SDtfs, 37474 SDslu, 4213 SDs, 0 SdLazy, 65200 SolverSat, 15435 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 155.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 252 GetRequests, 208 SyntacticMatches, 5 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120984occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9953304986470815 AbsIntWeakeningRatio, 0.1407035175879397 AbsIntAvgWeakeningVarsNumRemoved, 1026.9045226130654 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1409 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 847 ConstructedInterpolants, 0 QuantifiedInterpolants, 538694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 159/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown