java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 10:01:09,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 10:01:09,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 10:01:09,683 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 10:01:09,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 10:01:09,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 10:01:09,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 10:01:09,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 10:01:09,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 10:01:09,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 10:01:09,691 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 10:01:09,691 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 10:01:09,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 10:01:09,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 10:01:09,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 10:01:09,695 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 10:01:09,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 10:01:09,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 10:01:09,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 10:01:09,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 10:01:09,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 10:01:09,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 10:01:09,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-18 10:01:09,706 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-18 10:01:09,706 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-18 10:01:09,707 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-18 10:01:09,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-18 10:01:09,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-18 10:01:09,713 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-18 10:01:09,714 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-18 10:01:09,714 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-18 10:01:09,715 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-18 10:01:09,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-18 10:01:09,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-18 10:01:09,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-18 10:01:09,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-18 10:01:09,717 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-18 10:01:09,732 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 10:01:09,732 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 10:01:09,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 10:01:09,733 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 10:01:09,733 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 10:01:09,734 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 10:01:09,734 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 10:01:09,734 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 10:01:09,734 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 10:01:09,734 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 10:01:09,735 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 10:01:09,735 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 10:01:09,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 10:01:09,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 10:01:09,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 10:01:09,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 10:01:09,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 10:01:09,736 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 10:01:09,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 10:01:09,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 10:01:09,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 10:01:09,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 10:01:09,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 10:01:09,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 10:01:09,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 10:01:09,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 10:01:09,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 10:01:09,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 10:01:09,739 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 10:01:09,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 10:01:09,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 10:01:09,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 10:01:09,739 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 10:01:09,740 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 10:01:09,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 10:01:09,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 10:01:09,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 10:01:09,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 10:01:09,805 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 10:01:09,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-09-18 10:01:10,169 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb85f9b9/345faa82ecaa4c1699f6cc2f6fa1b0b6/FLAG1198c6d1f [2018-09-18 10:01:10,330 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 10:01:10,331 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag_true-unreach-call_true-termination.i [2018-09-18 10:01:10,337 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb85f9b9/345faa82ecaa4c1699f6cc2f6fa1b0b6/FLAG1198c6d1f [2018-09-18 10:01:10,352 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffb85f9b9/345faa82ecaa4c1699f6cc2f6fa1b0b6 [2018-09-18 10:01:10,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 10:01:10,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 10:01:10,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 10:01:10,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 10:01:10,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 10:01:10,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e06d83a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10, skipping insertion in model container [2018-09-18 10:01:10,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,388 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 10:01:10,584 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:01:10,603 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 10:01:10,613 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 10:01:10,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10 WrapperNode [2018-09-18 10:01:10,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 10:01:10,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 10:01:10,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 10:01:10,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 10:01:10,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 10:01:10,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 10:01:10,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 10:01:10,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 10:01:10,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (1/1) ... [2018-09-18 10:01:10,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 10:01:10,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 10:01:10,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 10:01:10,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 10:01:10,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (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 [2018-09-18 10:01:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 10:01:10,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 10:01:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 10:01:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 10:01:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 10:01:10,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 10:01:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 10:01:10,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 10:01:11,428 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 10:01:11,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:01:11 BoogieIcfgContainer [2018-09-18 10:01:11,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 10:01:11,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 10:01:11,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 10:01:11,433 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 10:01:11,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 10:01:10" (1/3) ... [2018-09-18 10:01:11,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b3dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:01:11, skipping insertion in model container [2018-09-18 10:01:11,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:01:10" (2/3) ... [2018-09-18 10:01:11,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a3b3dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 10:01:11, skipping insertion in model container [2018-09-18 10:01:11,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:01:11" (3/3) ... [2018-09-18 10:01:11,437 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag_true-unreach-call_true-termination.i [2018-09-18 10:01:11,447 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 10:01:11,455 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 10:01:11,506 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 10:01:11,507 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 10:01:11,507 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 10:01:11,507 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 10:01:11,507 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 10:01:11,507 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 10:01:11,507 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 10:01:11,507 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 10:01:11,507 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 10:01:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-09-18 10:01:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-18 10:01:11,532 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:01:11,533 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:01:11,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:01:11,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1656305570, now seen corresponding path program 1 times [2018-09-18 10:01:11,540 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:01:11,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:11,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:11,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:11,589 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:01:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:11,656 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:01:11,657 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-18 10:01:11,657 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:01:11,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-18 10:01:11,678 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-18 10:01:11,679 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 10:01:11,682 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-09-18 10:01:11,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:01:11,722 INFO L93 Difference]: Finished difference Result 91 states and 160 transitions. [2018-09-18 10:01:11,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-18 10:01:11,724 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-09-18 10:01:11,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:01:11,736 INFO L225 Difference]: With dead ends: 91 [2018-09-18 10:01:11,736 INFO L226 Difference]: Without dead ends: 44 [2018-09-18 10:01:11,741 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 10:01:11,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-09-18 10:01:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-09-18 10:01:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-09-18 10:01:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2018-09-18 10:01:11,800 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 12 [2018-09-18 10:01:11,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:01:11,800 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2018-09-18 10:01:11,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-18 10:01:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2018-09-18 10:01:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-18 10:01:11,801 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:01:11,802 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:01:11,802 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:01:11,802 INFO L82 PathProgramCache]: Analyzing trace with hash -145433870, now seen corresponding path program 1 times [2018-09-18 10:01:11,802 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:01:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:11,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:11,804 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:01:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:11,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:11,910 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 10:01:11,911 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-18 10:01:11,911 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:01:11,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:01:11,914 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:01:11,914 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-18 10:01:11,915 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand 5 states. [2018-09-18 10:01:12,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:01:12,372 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2018-09-18 10:01:12,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 10:01:12,372 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-09-18 10:01:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:01:12,374 INFO L225 Difference]: With dead ends: 50 [2018-09-18 10:01:12,374 INFO L226 Difference]: Without dead ends: 48 [2018-09-18 10:01:12,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-18 10:01:12,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-09-18 10:01:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-09-18 10:01:12,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-09-18 10:01:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2018-09-18 10:01:12,391 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 14 [2018-09-18 10:01:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:01:12,391 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2018-09-18 10:01:12,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:01:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2018-09-18 10:01:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-18 10:01:12,392 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:01:12,393 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:01:12,393 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:01:12,393 INFO L82 PathProgramCache]: Analyzing trace with hash 840682065, now seen corresponding path program 1 times [2018-09-18 10:01:12,393 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:01:12,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:12,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:12,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:12,395 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:01:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:12,624 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:01:12,625 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-09-18 10:01:12,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:12,639 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:01:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:12,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:01:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:12,754 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:01:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:12,921 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-09-18 10:01:12,921 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8] total 10 [2018-09-18 10:01:12,921 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:01:12,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 10:01:12,922 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 10:01:12,922 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-09-18 10:01:12,923 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 5 states. [2018-09-18 10:01:13,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:01:13,047 INFO L93 Difference]: Finished difference Result 54 states and 70 transitions. [2018-09-18 10:01:13,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 10:01:13,051 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-09-18 10:01:13,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:01:13,052 INFO L225 Difference]: With dead ends: 54 [2018-09-18 10:01:13,052 INFO L226 Difference]: Without dead ends: 42 [2018-09-18 10:01:13,053 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-09-18 10:01:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-09-18 10:01:13,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-09-18 10:01:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-09-18 10:01:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 53 transitions. [2018-09-18 10:01:13,067 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 53 transitions. Word has length 19 [2018-09-18 10:01:13,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:01:13,069 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 53 transitions. [2018-09-18 10:01:13,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 10:01:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2018-09-18 10:01:13,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-18 10:01:13,071 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:01:13,072 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:01:13,072 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:01:13,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1546781750, now seen corresponding path program 1 times [2018-09-18 10:01:13,072 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:01:13,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:13,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:13,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:13,074 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:01:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:13,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:13,204 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:01:13,204 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-09-18 10:01:13,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:13,214 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:01:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:13,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:01:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:13,655 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:01:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:13,854 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:01:13,854 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:01:13,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:13,873 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:01:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:13,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:01:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:13,929 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:01:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 10:01:13,971 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-18 10:01:13,971 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [8, 8, 8] total 14 [2018-09-18 10:01:13,971 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 10:01:13,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-18 10:01:13,972 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-18 10:01:13,973 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-09-18 10:01:13,973 INFO L87 Difference]: Start difference. First operand 42 states and 53 transitions. Second operand 6 states. [2018-09-18 10:01:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:01:14,130 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2018-09-18 10:01:14,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-18 10:01:14,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-09-18 10:01:14,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:01:14,131 INFO L225 Difference]: With dead ends: 58 [2018-09-18 10:01:14,132 INFO L226 Difference]: Without dead ends: 56 [2018-09-18 10:01:14,134 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-09-18 10:01:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-09-18 10:01:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2018-09-18 10:01:14,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-09-18 10:01:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2018-09-18 10:01:14,145 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 20 [2018-09-18 10:01:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:01:14,146 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2018-09-18 10:01:14,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-18 10:01:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-09-18 10:01:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-18 10:01:14,147 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 10:01:14,147 INFO L376 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 10:01:14,148 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 10:01:14,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1031114585, now seen corresponding path program 1 times [2018-09-18 10:01:14,148 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 10:01:14,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:14,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:14,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 10:01:14,150 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 10:01:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:01:14,410 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:01:14,410 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-09-18 10:01:14,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:14,420 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:01:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:14,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:01:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:01:14,683 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:01:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:01:14,889 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 10:01:14,890 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 10:01:14,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 10:01:14,907 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 10:01:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 10:01:14,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 10:01:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:01:14,973 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 10:01:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-18 10:01:15,084 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-09-18 10:01:15,084 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9, 9, 8] total 16 [2018-09-18 10:01:15,084 INFO L258 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-09-18 10:01:15,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-09-18 10:01:15,085 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-09-18 10:01:15,085 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-09-18 10:01:15,086 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand 14 states. [2018-09-18 10:01:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 10:01:15,428 INFO L93 Difference]: Finished difference Result 54 states and 69 transitions. [2018-09-18 10:01:15,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-18 10:01:15,429 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 35 [2018-09-18 10:01:15,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 10:01:15,430 INFO L225 Difference]: With dead ends: 54 [2018-09-18 10:01:15,430 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 10:01:15,432 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 125 SyntacticMatches, 12 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-09-18 10:01:15,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 10:01:15,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 10:01:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 10:01:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 10:01:15,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-09-18 10:01:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 10:01:15,434 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 10:01:15,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-09-18 10:01:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 10:01:15,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 10:01:15,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 10:01:15,754 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-18 10:01:15,755 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:01:15,755 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 10:01:15,755 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-18 10:01:15,755 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 10:01:15,755 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 10:01:15,755 INFO L422 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,756 INFO L429 ceAbstractionStarter]: At program point L60(lines 11 63) the Hoare annotation is: true [2018-09-18 10:01:15,756 INFO L422 ceAbstractionStarter]: At program point L27(line 27) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,756 INFO L422 ceAbstractionStarter]: At program point L27-1(line 27) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,756 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 10 63) no Hoare annotation was computed. [2018-09-18 10:01:15,756 INFO L426 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-09-18 10:01:15,756 INFO L426 ceAbstractionStarter]: For program point L52(lines 52 54) no Hoare annotation was computed. [2018-09-18 10:01:15,757 INFO L426 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-09-18 10:01:15,757 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-18 10:01:15,757 INFO L426 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-09-18 10:01:15,757 INFO L426 ceAbstractionStarter]: For program point L40(lines 40 54) no Hoare annotation was computed. [2018-09-18 10:01:15,757 INFO L422 ceAbstractionStarter]: At program point L40-1(lines 40 54) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,757 INFO L422 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,758 INFO L422 ceAbstractionStarter]: At program point L36-1(line 36) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,758 INFO L426 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-09-18 10:01:15,758 INFO L426 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-09-18 10:01:15,758 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-09-18 10:01:15,758 INFO L422 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,758 INFO L422 ceAbstractionStarter]: At program point L20-1(line 20) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,759 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 49) no Hoare annotation was computed. [2018-09-18 10:01:15,759 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 50) no Hoare annotation was computed. [2018-09-18 10:01:15,759 INFO L422 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,759 INFO L422 ceAbstractionStarter]: At program point L46-1(line 46) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,759 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 63) no Hoare annotation was computed. [2018-09-18 10:01:15,759 INFO L422 ceAbstractionStarter]: At program point L42(line 42) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,760 INFO L422 ceAbstractionStarter]: At program point L42-1(line 42) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,760 INFO L426 ceAbstractionStarter]: For program point L34-1(lines 34 58) no Hoare annotation was computed. [2018-09-18 10:01:15,760 INFO L422 ceAbstractionStarter]: At program point L34-3(lines 34 58) the Hoare annotation is: (and (<= 1 main_~tagbuf_len~0) (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,760 INFO L422 ceAbstractionStarter]: At program point L34-4(lines 34 58) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,760 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 63) the Hoare annotation is: true [2018-09-18 10:01:15,761 INFO L422 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,761 INFO L422 ceAbstractionStarter]: At program point L55(line 55) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,761 INFO L426 ceAbstractionStarter]: For program point L18-1(lines 18 30) no Hoare annotation was computed. [2018-09-18 10:01:15,761 INFO L422 ceAbstractionStarter]: At program point L18-3(lines 18 30) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0)) [2018-09-18 10:01:15,761 INFO L422 ceAbstractionStarter]: At program point L18-4(lines 18 30) the Hoare annotation is: (and (<= main_~t~0 main_~tagbuf_len~0) (<= 0 main_~t~0) (not (= main_~t~0 main_~tagbuf_len~0))) [2018-09-18 10:01:15,761 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-18 10:01:15,762 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-09-18 10:01:15,762 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-09-18 10:01:15,762 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-09-18 10:01:15,762 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-09-18 10:01:15,762 INFO L426 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-09-18 10:01:15,762 INFO L426 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-09-18 10:01:15,763 INFO L426 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-09-18 10:01:15,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 10:01:15 BoogieIcfgContainer [2018-09-18 10:01:15,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 10:01:15,776 INFO L168 Benchmark]: Toolchain (without parser) took 5414.19 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -537.2 MB). Peak memory consumption was 239.3 MB. Max. memory is 7.1 GB. [2018-09-18 10:01:15,778 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:01:15,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-18 10:01:15,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.37 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:01:15,780 INFO L168 Benchmark]: Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 10:01:15,780 INFO L168 Benchmark]: RCFGBuilder took 744.07 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -828.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-18 10:01:15,782 INFO L168 Benchmark]: TraceAbstraction took 4344.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 280.9 MB). Peak memory consumption was 280.9 MB. Max. memory is 7.1 GB. [2018-09-18 10:01:15,786 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.41 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.37 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 744.07 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 776.5 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -828.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4344.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.3 GB in the beginning and 2.0 GB in the end (delta: 280.9 MB). Peak memory consumption was 280.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: t <= tagbuf_len && 0 <= t - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (1 <= tagbuf_len && t <= tagbuf_len) && 0 <= t - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 49 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 263 SDtfs, 70 SDslu, 618 SDs, 0 SdLazy, 327 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 235 SyntacticMatches, 19 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 59 PreInvPairs, 83 NumberOfFragments, 175 HoareAnnotationTreeSize, 59 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 343 ConstructedInterpolants, 0 QuantifiedInterpolants, 24078 SizeOfPredicates, 17 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 79/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/apache-get-tag_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_10-01-15-801.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/apache-get-tag_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_10-01-15-801.csv Received shutdown request...