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-acceleration/const_true-unreach-call1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-18 09:56:34,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-18 09:56:34,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-18 09:56:34,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-18 09:56:34,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-18 09:56:34,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-18 09:56:34,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-18 09:56:34,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-18 09:56:34,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-18 09:56:34,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-18 09:56:34,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-18 09:56:34,742 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-18 09:56:34,742 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-18 09:56:34,743 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-18 09:56:34,745 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-18 09:56:34,745 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-18 09:56:34,746 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-18 09:56:34,748 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-18 09:56:34,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-18 09:56:34,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-18 09:56:34,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-18 09:56:34,754 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-18 09:56:34,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-18 09:56:34,766 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 09:56:34,787 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-18 09:56:34,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-18 09:56:34,791 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-18 09:56:34,791 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-18 09:56:34,791 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-18 09:56:34,791 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-18 09:56:34,792 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-18 09:56:34,792 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-18 09:56:34,792 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-18 09:56:34,792 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-18 09:56:34,792 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-18 09:56:34,793 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-18 09:56:34,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-18 09:56:34,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-18 09:56:34,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-18 09:56:34,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-18 09:56:34,796 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-18 09:56:34,796 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-18 09:56:34,796 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-18 09:56:34,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-18 09:56:34,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-18 09:56:34,798 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-18 09:56:34,798 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-18 09:56:34,799 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-18 09:56:34,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-18 09:56:34,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-18 09:56:34,799 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-18 09:56:34,799 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-18 09:56:34,800 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-18 09:56:34,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-18 09:56:34,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-18 09:56:34,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-18 09:56:34,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-18 09:56:34,885 INFO L276 PluginConnector]: CDTParser initialized [2018-09-18 09:56:34,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/const_true-unreach-call1.i [2018-09-18 09:56:35,246 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e72c82ac/7437e12c48e34abb8f5befb936a97168/FLAG902d448d8 [2018-09-18 09:56:35,379 INFO L277 CDTParser]: Found 1 translation units. [2018-09-18 09:56:35,379 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/const_true-unreach-call1.i [2018-09-18 09:56:35,386 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e72c82ac/7437e12c48e34abb8f5befb936a97168/FLAG902d448d8 [2018-09-18 09:56:35,403 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e72c82ac/7437e12c48e34abb8f5befb936a97168 [2018-09-18 09:56:35,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-18 09:56:35,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-18 09:56:35,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:35,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-18 09:56:35,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-18 09:56:35,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627e0d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35, skipping insertion in model container [2018-09-18 09:56:35,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,447 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-18 09:56:35,687 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:35,709 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-18 09:56:35,714 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-18 09:56:35,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35 WrapperNode [2018-09-18 09:56:35,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-18 09:56:35,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:35,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-18 09:56:35,729 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-18 09:56:35,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-18 09:56:35,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-18 09:56:35,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-18 09:56:35,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-18 09:56:35,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (1/1) ... [2018-09-18 09:56:35,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-18 09:56:35,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-18 09:56:35,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-18 09:56:35,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-18 09:56:35,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (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 09:56:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-18 09:56:35,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-18 09:56:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-18 09:56:35,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-18 09:56:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-18 09:56:35,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-18 09:56:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-18 09:56:35,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-18 09:56:36,126 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-18 09:56:36,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:36 BoogieIcfgContainer [2018-09-18 09:56:36,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-18 09:56:36,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-18 09:56:36,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-18 09:56:36,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-18 09:56:36,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.09 09:56:35" (1/3) ... [2018-09-18 09:56:36,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5252016d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:36, skipping insertion in model container [2018-09-18 09:56:36,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:56:35" (2/3) ... [2018-09-18 09:56:36,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5252016d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.09 09:56:36, skipping insertion in model container [2018-09-18 09:56:36,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:56:36" (3/3) ... [2018-09-18 09:56:36,136 INFO L112 eAbstractionObserver]: Analyzing ICFG const_true-unreach-call1.i [2018-09-18 09:56:36,144 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-18 09:56:36,151 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-18 09:56:36,198 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-18 09:56:36,199 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-18 09:56:36,199 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-18 09:56:36,199 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-18 09:56:36,199 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-18 09:56:36,199 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-18 09:56:36,199 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-18 09:56:36,200 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-18 09:56:36,200 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-18 09:56:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-18 09:56:36,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-18 09:56:36,225 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:36,226 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:36,227 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:36,232 INFO L82 PathProgramCache]: Analyzing trace with hash -10373566, now seen corresponding path program 1 times [2018-09-18 09:56:36,234 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:36,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:36,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,289 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:36,348 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 09:56:36,350 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:36,351 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-18 09:56:36,351 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:36,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-18 09:56:36,367 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-18 09:56:36,368 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-18 09:56:36,370 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2018-09-18 09:56:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:36,391 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2018-09-18 09:56:36,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-18 09:56:36,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-09-18 09:56:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:36,403 INFO L225 Difference]: With dead ends: 29 [2018-09-18 09:56:36,404 INFO L226 Difference]: Without dead ends: 12 [2018-09-18 09:56:36,407 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 09:56:36,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-09-18 09:56:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-09-18 09:56:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-09-18 09:56:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-09-18 09:56:36,446 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-09-18 09:56:36,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:36,447 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-09-18 09:56:36,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-18 09:56:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-09-18 09:56:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-18 09:56:36,448 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:36,448 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:36,448 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash -571410792, now seen corresponding path program 1 times [2018-09-18 09:56:36,449 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:36,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:36,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,451 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:36,607 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 09:56:36,607 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-18 09:56:36,608 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-18 09:56:36,608 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:36,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-18 09:56:36,616 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-18 09:56:36,617 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 09:56:36,618 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2018-09-18 09:56:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:36,707 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-09-18 09:56:36,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-18 09:56:36,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-09-18 09:56:36,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:36,724 INFO L225 Difference]: With dead ends: 19 [2018-09-18 09:56:36,724 INFO L226 Difference]: Without dead ends: 14 [2018-09-18 09:56:36,725 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-18 09:56:36,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-09-18 09:56:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-09-18 09:56:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-09-18 09:56:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-09-18 09:56:36,732 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2018-09-18 09:56:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:36,733 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-09-18 09:56:36,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-18 09:56:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-09-18 09:56:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-18 09:56:36,737 INFO L368 BasicCegarLoop]: Found error trace [2018-09-18 09:56:36,737 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-18 09:56:36,738 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-18 09:56:36,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1625028318, now seen corresponding path program 1 times [2018-09-18 09:56:36,738 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-18 09:56:36,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:36,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-18 09:56:36,742 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-18 09:56:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:36,886 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 09:56:36,887 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 09:56:36,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:36,899 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 09:56:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:36,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 09:56:36,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:36,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 09:56:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-18 09:56:37,091 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-18 09:56:37,091 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 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-18 09:56:37,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-18 09:56:37,109 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-18 09:56:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-18 09:56:37,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-18 09:56:37,259 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 09:56:37,259 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-18 09:56:37,618 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 09:56:37,621 INFO L313 seRefinementStrategy]: Constructing automaton from 2 perfect and 3 imperfect interpolant sequences. [2018-09-18 09:56:37,622 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [4, 4, 4] total 12 [2018-09-18 09:56:37,622 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-18 09:56:37,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-18 09:56:37,623 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-18 09:56:37,623 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2018-09-18 09:56:37,624 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2018-09-18 09:56:37,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-18 09:56:37,693 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-09-18 09:56:37,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-18 09:56:37,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-09-18 09:56:37,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-18 09:56:37,694 INFO L225 Difference]: With dead ends: 14 [2018-09-18 09:56:37,694 INFO L226 Difference]: Without dead ends: 0 [2018-09-18 09:56:37,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-09-18 09:56:37,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-18 09:56:37,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-18 09:56:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-18 09:56:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-18 09:56:37,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-09-18 09:56:37,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-18 09:56:37,697 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-18 09:56:37,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-18 09:56:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-18 09:56:37,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-18 09:56:37,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-18 09:56:37,747 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-18 09:56:37,747 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:37,747 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-18 09:56:37,748 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-18 09:56:37,748 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-18 09:56:37,748 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-18 09:56:37,748 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 8 16) the Hoare annotation is: true [2018-09-18 09:56:37,748 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 8 16) no Hoare annotation was computed. [2018-09-18 09:56:37,748 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 16) no Hoare annotation was computed. [2018-09-18 09:56:37,748 INFO L426 ceAbstractionStarter]: For program point L11-1(lines 11 14) no Hoare annotation was computed. [2018-09-18 09:56:37,749 INFO L422 ceAbstractionStarter]: At program point L11-3(lines 11 14) the Hoare annotation is: (or (= main_~x~0 0) (and (<= 0 main_~y~0) (<= main_~y~0 0))) [2018-09-18 09:56:37,749 INFO L422 ceAbstractionStarter]: At program point L11-4(lines 11 14) the Hoare annotation is: (= main_~x~0 0) [2018-09-18 09:56:37,749 INFO L426 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2018-09-18 09:56:37,749 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2018-09-18 09:56:37,749 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2018-09-18 09:56:37,749 INFO L426 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-09-18 09:56:37,749 INFO L426 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2018-09-18 09:56:37,750 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-09-18 09:56:37,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.09 09:56:37 BoogieIcfgContainer [2018-09-18 09:56:37,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-18 09:56:37,761 INFO L168 Benchmark]: Toolchain (without parser) took 2344.02 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -699.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:37,763 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. [2018-09-18 09:56:37,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.94 ms. Allocated memory is still 1.5 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 09:56:37,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 09:56:37,766 INFO L168 Benchmark]: Boogie Preprocessor took 24.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-18 09:56:37,766 INFO L168 Benchmark]: RCFGBuilder took 348.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:37,768 INFO L168 Benchmark]: TraceAbstraction took 1632.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2018-09-18 09:56:37,773 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 307.94 ms. Allocated memory is still 1.5 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 24.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 348.80 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -787.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1632.19 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: x == 0 || (0 <= y && y <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 SDtfs, 1 SDslu, 36 SDs, 0 SdLazy, 6 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 19 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 2173 SizeOfPredicates, 3 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 4/10 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/const_true-unreach-call1.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-18_09-56-37-788.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/const_true-unreach-call1.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-18_09-56-37-788.csv Received shutdown request...