java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-24 10:54:15,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-24 10:54:15,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-24 10:54:15,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-24 10:54:15,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-24 10:54:15,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-24 10:54:15,870 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-24 10:54:15,871 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-24 10:54:15,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-24 10:54:15,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-24 10:54:15,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-24 10:54:15,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-24 10:54:15,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-24 10:54:15,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-24 10:54:15,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-24 10:54:15,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-24 10:54:15,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-24 10:54:15,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-24 10:54:15,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-24 10:54:15,889 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-24 10:54:15,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-24 10:54:15,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-24 10:54:15,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-24 10:54:15,902 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 [2018-07-24 10:54:15,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-24 10:54:15,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-24 10:54:15,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-24 10:54:15,930 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-24 10:54:15,931 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-24 10:54:15,931 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-24 10:54:15,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-24 10:54:15,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-24 10:54:15,934 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-24 10:54:15,934 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-24 10:54:15,934 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-24 10:54:15,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-24 10:54:15,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-24 10:54:15,935 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-24 10:54:15,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-24 10:54:15,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-24 10:54:15,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-24 10:54:15,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-24 10:54:15,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-24 10:54:15,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-24 10:54:15,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-24 10:54:15,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-24 10:54:15,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-24 10:54:15,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:54:15,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-24 10:54:15,938 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-24 10:54:15,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-24 10:54:15,939 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-07-24 10:54:15,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-24 10:54:15,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-24 10:54:15,939 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-24 10:54:15,940 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-24 10:54:15,940 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-24 10:54:15,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-24 10:54:15,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-24 10:54:16,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-24 10:54:16,001 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-24 10:54:16,002 INFO L276 PluginConnector]: CDTParser initialized [2018-07-24 10:54:16,002 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-07-24 10:54:16,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96afcb2e4/dadc8482615d45cca321d9842540aa00/FLAG4d5cc0f7f [2018-07-24 10:54:16,536 INFO L276 CDTParser]: Found 1 translation units. [2018-07-24 10:54:16,537 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nest-if3_true-unreach-call_true-termination.i [2018-07-24 10:54:16,544 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96afcb2e4/dadc8482615d45cca321d9842540aa00/FLAG4d5cc0f7f [2018-07-24 10:54:16,566 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96afcb2e4/dadc8482615d45cca321d9842540aa00 [2018-07-24 10:54:16,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-24 10:54:16,580 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-24 10:54:16,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-24 10:54:16,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-24 10:54:16,589 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-24 10:54:16,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5701bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16, skipping insertion in model container [2018-07-24 10:54:16,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,753 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-24 10:54:16,790 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:54:16,806 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-24 10:54:16,812 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-24 10:54:16,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16 WrapperNode [2018-07-24 10:54:16,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-24 10:54:16,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-24 10:54:16,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-24 10:54:16,827 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-24 10:54:16,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-24 10:54:16,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-24 10:54:16,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-24 10:54:16,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-24 10:54:16,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... [2018-07-24 10:54:16,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-24 10:54:16,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-24 10:54:16,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-24 10:54:16,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-24 10:54:16,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-24 10:54:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-24 10:54:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-24 10:54:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-24 10:54:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-24 10:54:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-24 10:54:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-24 10:54:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-24 10:54:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-24 10:54:17,397 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-24 10:54:17,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:54:17 BoogieIcfgContainer [2018-07-24 10:54:17,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-24 10:54:17,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-24 10:54:17,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-24 10:54:17,402 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-24 10:54:17,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.07 10:54:16" (1/3) ... [2018-07-24 10:54:17,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec944a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:54:17, skipping insertion in model container [2018-07-24 10:54:17,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.07 10:54:16" (2/3) ... [2018-07-24 10:54:17,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec944a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.07 10:54:17, skipping insertion in model container [2018-07-24 10:54:17,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.07 10:54:17" (3/3) ... [2018-07-24 10:54:17,406 INFO L112 eAbstractionObserver]: Analyzing ICFG nest-if3_true-unreach-call_true-termination.i [2018-07-24 10:54:17,415 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-24 10:54:17,425 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-24 10:54:17,475 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-24 10:54:17,476 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-24 10:54:17,476 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-24 10:54:17,476 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-24 10:54:17,476 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-24 10:54:17,477 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-24 10:54:17,477 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-24 10:54:17,477 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-24 10:54:17,477 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-24 10:54:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-07-24 10:54:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-24 10:54:17,503 INFO L345 BasicCegarLoop]: Found error trace [2018-07-24 10:54:17,504 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-24 10:54:17,504 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-24 10:54:17,510 INFO L82 PathProgramCache]: Analyzing trace with hash -303319981, now seen corresponding path program 1 times [2018-07-24 10:54:17,513 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-07-24 10:54:17,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:54:17,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-24 10:54:17,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-24 10:54:17,568 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-24 10:54:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-24 10:54:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-24 10:54:17,821 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-24 10:54:17,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-24 10:54:17,822 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-24 10:54:17,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-24 10:54:17,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-24 10:54:17,837 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-24 10:54:17,839 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2018-07-24 10:54:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-24 10:54:18,113 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2018-07-24 10:54:18,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-24 10:54:18,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-07-24 10:54:18,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-24 10:54:18,122 INFO L225 Difference]: With dead ends: 50 [2018-07-24 10:54:18,123 INFO L226 Difference]: Without dead ends: 0 [2018-07-24 10:54:18,127 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-07-24 10:54:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-24 10:54:18,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-24 10:54:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-24 10:54:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-24 10:54:18,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-07-24 10:54:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-24 10:54:18,158 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-24 10:54:18,158 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-24 10:54:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-24 10:54:18,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-24 10:54:18,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-24 10:54:18,292 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:54:18,294 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-24 10:54:18,294 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:54:18,294 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-24 10:54:18,294 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-24 10:54:18,295 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-24 10:54:18,295 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-24 10:54:18,295 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_invgen_nest_if__true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-24 10:54:18,295 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-24 10:54:18,296 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-24 10:54:18,296 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-24 10:54:18,296 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-24 10:54:18,297 INFO L421 ceAbstractionStarter]: For program point L18'''(lines 18 20) no Hoare annotation was computed. [2018-07-24 10:54:18,297 INFO L421 ceAbstractionStarter]: For program point L21(lines 21 22) no Hoare annotation was computed. [2018-07-24 10:54:18,297 INFO L421 ceAbstractionStarter]: For program point L19'(lines 18 20) no Hoare annotation was computed. [2018-07-24 10:54:18,297 INFO L421 ceAbstractionStarter]: For program point L17''(lines 17 23) no Hoare annotation was computed. [2018-07-24 10:54:18,298 INFO L417 ceAbstractionStarter]: At program point L18''(lines 18 20) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-07-24 10:54:18,298 INFO L421 ceAbstractionStarter]: For program point L17''''(lines 10 24) no Hoare annotation was computed. [2018-07-24 10:54:18,298 INFO L417 ceAbstractionStarter]: At program point L17'''(lines 17 23) the Hoare annotation is: (<= 1 main_~l~0) [2018-07-24 10:54:18,298 INFO L421 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-07-24 10:54:18,298 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 10 24) no Hoare annotation was computed. [2018-07-24 10:54:18,300 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 24) the Hoare annotation is: true [2018-07-24 10:54:18,300 INFO L421 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-07-24 10:54:18,300 INFO L421 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-07-24 10:54:18,300 INFO L421 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2018-07-24 10:54:18,301 INFO L421 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2018-07-24 10:54:18,301 INFO L417 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: (and (<= 1 main_~l~0) (<= 1 main_~i~0)) [2018-07-24 10:54:18,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.07 10:54:18 BoogieIcfgContainer [2018-07-24 10:54:18,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-24 10:54:18,321 INFO L168 Benchmark]: Toolchain (without parser) took 1742.35 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -751.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-24 10:54:18,326 INFO L168 Benchmark]: CDTParser took 0.23 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. [2018-07-24 10:54:18,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.48 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. [2018-07-24 10:54:18,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.30 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. [2018-07-24 10:54:18,328 INFO L168 Benchmark]: Boogie Preprocessor took 22.30 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. [2018-07-24 10:54:18,329 INFO L168 Benchmark]: RCFGBuilder took 525.86 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -796.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2018-07-24 10:54:18,330 INFO L168 Benchmark]: TraceAbstraction took 918.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2018-07-24 10:54:18,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.48 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 22.30 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 22.30 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 525.86 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 744.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -796.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 918.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 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: 18]: Loop Invariant Derived loop invariant: 1 <= l && 1 <= i - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 <= l - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 23 SDslu, 78 SDs, 0 SdLazy, 38 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 22 HoareAnnotationTreeSize, 9 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/nest-if3_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-24_10-54-18-348.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nest-if3_true-unreach-call_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-24_10-54-18-348.csv Received shutdown request...