java -Xss4m -Xmx6000000000 -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 ../../../releaseScripts/default/UAutomizer-linux/csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-71425fa [2018-07-20 21:49:14,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-20 21:49:14,843 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-20 21:49:14,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-20 21:49:14,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-20 21:49:14,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-20 21:49:14,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-20 21:49:14,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-20 21:49:14,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-20 21:49:14,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-20 21:49:14,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-20 21:49:14,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-20 21:49:14,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-20 21:49:14,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-20 21:49:14,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-20 21:49:14,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-20 21:49:14,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-20 21:49:14,895 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-20 21:49:14,897 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-20 21:49:14,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-20 21:49:14,899 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-20 21:49:14,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-20 21:49:14,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-07-20 21:49:14,916 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-07-20 21:49:14,941 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-20 21:49:14,941 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-20 21:49:14,942 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-20 21:49:14,942 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-20 21:49:14,942 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-20 21:49:14,942 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-07-20 21:49:14,943 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-20 21:49:14,944 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-20 21:49:14,944 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-20 21:49:14,945 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-20 21:49:14,946 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-20 21:49:14,946 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-20 21:49:14,946 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-20 21:49:14,946 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-20 21:49:14,946 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-20 21:49:14,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-20 21:49:14,947 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-07-20 21:49:14,947 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-20 21:49:14,947 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-20 21:49:14,947 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-20 21:49:14,948 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-20 21:49:14,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-20 21:49:14,948 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-20 21:49:14,948 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-20 21:49:14,948 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-20 21:49:15,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-20 21:49:15,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-20 21:49:15,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-20 21:49:15,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-20 21:49:15,029 INFO L276 PluginConnector]: CDTParser initialized [2018-07-20 21:49:15,030 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i [2018-07-20 21:49:15,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/327463252/08c286bdfa184eca9e41a57c8a6f6c6b/FLAG339f18769 [2018-07-20 21:49:15,601 INFO L276 CDTParser]: Found 1 translation units. [2018-07-20 21:49:15,602 INFO L158 CDTParser]: Scanning /storage/ultimate/trunk/examples/svcomp/loop-invgen/down_true-unreach-call_true-termination.i [2018-07-20 21:49:15,611 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/327463252/08c286bdfa184eca9e41a57c8a6f6c6b/FLAG339f18769 [2018-07-20 21:49:15,625 INFO L332 CDTParser]: Successfully deleted /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/327463252/08c286bdfa184eca9e41a57c8a6f6c6b [2018-07-20 21:49:15,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-20 21:49:15,641 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-20 21:49:15,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-20 21:49:15,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-20 21:49:15,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-20 21:49:15,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556f5003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15, skipping insertion in model container [2018-07-20 21:49:15,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,845 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-20 21:49:15,901 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:49:15,917 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-20 21:49:15,923 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-20 21:49:15,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15 WrapperNode [2018-07-20 21:49:15,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-20 21:49:15,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-20 21:49:15,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-20 21:49:15,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-20 21:49:15,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-20 21:49:15,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-20 21:49:15,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-20 21:49:15,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-20 21:49:15,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... [2018-07-20 21:49:15,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-20 21:49:15,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-20 21:49:15,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-20 21:49:15,987 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-20 21:49:15,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (1/1) ... No working directory specified, using /storage/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 [2018-07-20 21:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-20 21:49:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-20 21:49:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-20 21:49:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assert [2018-07-20 21:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-20 21:49:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-20 21:49:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-20 21:49:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-20 21:49:16,402 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-20 21:49:16,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:49:16 BoogieIcfgContainer [2018-07-20 21:49:16,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-20 21:49:16,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-20 21:49:16,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-20 21:49:16,408 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-20 21:49:16,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:49:15" (1/3) ... [2018-07-20 21:49:16,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f179065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:49:16, skipping insertion in model container [2018-07-20 21:49:16,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:49:15" (2/3) ... [2018-07-20 21:49:16,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f179065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:49:16, skipping insertion in model container [2018-07-20 21:49:16,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:49:16" (3/3) ... [2018-07-20 21:49:16,412 INFO L112 eAbstractionObserver]: Analyzing ICFG down_true-unreach-call_true-termination.i [2018-07-20 21:49:16,422 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-20 21:49:16,436 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-20 21:49:16,483 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-20 21:49:16,484 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-20 21:49:16,484 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-20 21:49:16,484 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-20 21:49:16,484 INFO L376 AbstractCegarLoop]: Backedges is TWOTRACK [2018-07-20 21:49:16,484 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-20 21:49:16,485 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-20 21:49:16,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-20 21:49:16,485 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-20 21:49:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-07-20 21:49:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-20 21:49:16,510 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:49:16,511 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:49:16,511 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:49:16,516 INFO L82 PathProgramCache]: Analyzing trace with hash 910151092, now seen corresponding path program 1 times [2018-07-20 21:49:16,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:49:16,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:16,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:49:16,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:16,569 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:49:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:49:16,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:49:16,632 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:49:16,632 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-20 21:49:16,633 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:49:16,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-07-20 21:49:16,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-07-20 21:49:16,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-07-20 21:49:16,647 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-07-20 21:49:16,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:49:16,666 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2018-07-20 21:49:16,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-07-20 21:49:16,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-07-20 21:49:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:49:16,678 INFO L225 Difference]: With dead ends: 39 [2018-07-20 21:49:16,678 INFO L226 Difference]: Without dead ends: 18 [2018-07-20 21:49:16,682 INFO L578 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 [2018-07-20 21:49:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-20 21:49:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-20 21:49:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-20 21:49:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-07-20 21:49:16,729 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2018-07-20 21:49:16,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:49:16,729 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-07-20 21:49:16,729 INFO L472 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-07-20 21:49:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-07-20 21:49:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-20 21:49:16,730 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:49:16,731 INFO L358 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:49:16,734 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:49:16,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1578698797, now seen corresponding path program 1 times [2018-07-20 21:49:16,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:49:16,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:16,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:49:16,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:16,737 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:49:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:49:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:49:16,939 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:49:16,939 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-20 21:49:16,939 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:49:16,941 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-20 21:49:16,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-20 21:49:16,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-20 21:49:16,942 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 5 states. [2018-07-20 21:49:17,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:49:17,093 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-07-20 21:49:17,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-20 21:49:17,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-07-20 21:49:17,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:49:17,095 INFO L225 Difference]: With dead ends: 33 [2018-07-20 21:49:17,095 INFO L226 Difference]: Without dead ends: 20 [2018-07-20 21:49:17,096 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-07-20 21:49:17,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-20 21:49:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-20 21:49:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-20 21:49:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-07-20 21:49:17,102 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2018-07-20 21:49:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:49:17,103 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-07-20 21:49:17,103 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-20 21:49:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-07-20 21:49:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-20 21:49:17,104 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:49:17,104 INFO L358 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:49:17,104 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:49:17,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1516611795, now seen corresponding path program 1 times [2018-07-20 21:49:17,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:49:17,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:17,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:49:17,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:17,107 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:49:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:49:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:49:17,238 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-20 21:49:17,238 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-20 21:49:17,238 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:49:17,241 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-20 21:49:17,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-20 21:49:17,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-07-20 21:49:17,242 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 6 states. [2018-07-20 21:49:17,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:49:17,395 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-07-20 21:49:17,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-20 21:49:17,396 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-07-20 21:49:17,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:49:17,399 INFO L225 Difference]: With dead ends: 34 [2018-07-20 21:49:17,399 INFO L226 Difference]: Without dead ends: 32 [2018-07-20 21:49:17,399 INFO L578 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-07-20 21:49:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-20 21:49:17,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2018-07-20 21:49:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-20 21:49:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-07-20 21:49:17,410 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 16 [2018-07-20 21:49:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:49:17,410 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-07-20 21:49:17,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-20 21:49:17,411 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-07-20 21:49:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-20 21:49:17,415 INFO L350 BasicCegarLoop]: Found error trace [2018-07-20 21:49:17,415 INFO L358 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-20 21:49:17,415 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION]=== [2018-07-20 21:49:17,416 INFO L82 PathProgramCache]: Analyzing trace with hash 894011864, now seen corresponding path program 1 times [2018-07-20 21:49:17,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-20 21:49:17,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:17,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-20 21:49:17,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-20 21:49:17,417 INFO L282 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-20 21:49:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-20 21:49:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-20 21:49:17,709 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-20 21:49:17,709 INFO L189 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-20 21:49:17,710 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-07-20 21:49:17,712 INFO L201 CegarAbsIntRunner]: [0], [1], [4], [6], [9], [11], [15], [19], [23], [25], [29], [33], [39], [41], [47], [48], [49], [51], [52] [2018-07-20 21:49:17,782 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-20 21:49:17,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-20 21:49:18,291 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-20 21:49:18,292 INFO L272 AbstractInterpreter]: Visited 18 different actions 129 times. Merged at 8 different actions 59 times. Widened at 3 different actions 9 times. Found 8 fixpoints after 2 different actions. Largest state had 9 variables. [2018-07-20 21:49:18,311 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-20 21:49:18,467 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 59.03% of their original sizes. [2018-07-20 21:49:18,468 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-20 21:49:18,771 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-20 21:49:18,772 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-20 21:49:18,772 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-07-20 21:49:18,772 INFO L254 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-20 21:49:18,773 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-20 21:49:18,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-20 21:49:18,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-07-20 21:49:18,773 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 9 states. [2018-07-20 21:49:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-20 21:49:19,702 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-07-20 21:49:19,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-20 21:49:19,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-07-20 21:49:19,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-20 21:49:19,703 INFO L225 Difference]: With dead ends: 28 [2018-07-20 21:49:19,703 INFO L226 Difference]: Without dead ends: 0 [2018-07-20 21:49:19,704 INFO L578 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-07-20 21:49:19,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-20 21:49:19,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-20 21:49:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-20 21:49:19,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-20 21:49:19,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-07-20 21:49:19,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-20 21:49:19,705 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-20 21:49:19,705 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-20 21:49:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-20 21:49:19,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-20 21:49:19,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-20 21:49:19,982 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 20 [2018-07-20 21:49:20,452 WARN L169 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2018-07-20 21:49:20,456 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-07-20 21:49:20,457 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L421 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L424 ceAbstractionStarter]: At program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-07-20 21:49:20,457 INFO L421 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L421 ceAbstractionStarter]: For program point __U_MULTI_f_storage_ultimate_trunk_examples_svcomp_loop_invgen_down_true_unreach_call_true_termination_i____VERIFIER_assertErr0AssertViolationERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L421 ceAbstractionStarter]: For program point L4''(lines 3 8) no Hoare annotation was computed. [2018-07-20 21:49:20,457 INFO L424 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-07-20 21:49:20,458 INFO L424 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-07-20 21:49:20,458 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-07-20 21:49:20,458 INFO L421 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-07-20 21:49:20,458 INFO L417 ceAbstractionStarter]: At program point L21(line 21) the Hoare annotation is: (and (<= (* 2 main_~k~0) 4294967294) (<= main_~j~0 main_~k~0) (<= 2 (* 2 main_~j~0))) [2018-07-20 21:49:20,458 INFO L421 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2018-07-20 21:49:20,458 INFO L417 ceAbstractionStarter]: At program point L15''(lines 15 18) the Hoare annotation is: (let ((.cse0 (* 2 main_~n~0)) (.cse1 (<= main_~k~0 main_~i~0))) (or (and (<= main_~n~0 (+ main_~i~0 2147483647)) (<= main_~i~0 0) (<= 0 (* 2 main_~k~0)) (<= 0 (+ .cse0 4294967296)) .cse1) (and (<= .cse0 4294967294) (<= main_~i~0 (+ main_~n~0 2147483648)) (<= (+ main_~i~0 main_~k~0) 4294967294) (<= main_~i~0 main_~k~0) .cse1 (<= 1 main_~k~0)))) [2018-07-20 21:49:20,458 INFO L421 ceAbstractionStarter]: For program point L21'(line 21) no Hoare annotation was computed. [2018-07-20 21:49:20,458 INFO L421 ceAbstractionStarter]: For program point mainFINAL(lines 10 26) no Hoare annotation was computed. [2018-07-20 21:49:20,459 INFO L421 ceAbstractionStarter]: For program point L15'''(lines 15 18) no Hoare annotation was computed. [2018-07-20 21:49:20,459 INFO L417 ceAbstractionStarter]: At program point L20''(lines 20 24) the Hoare annotation is: (or (let ((.cse0 (* 2 main_~k~0))) (and (<= main_~k~0 (+ main_~j~0 2147483648)) (<= .cse0 4294967294) (<= 0 .cse0) (<= main_~j~0 main_~k~0))) (and (<= main_~n~0 0) (<= main_~j~0 0) (<= main_~i~0 0))) [2018-07-20 21:49:20,459 INFO L421 ceAbstractionStarter]: For program point mainEXIT(lines 10 26) no Hoare annotation was computed. [2018-07-20 21:49:20,459 INFO L424 ceAbstractionStarter]: At program point mainENTRY(lines 10 26) the Hoare annotation is: true [2018-07-20 21:49:20,459 INFO L421 ceAbstractionStarter]: For program point L15(lines 15 18) no Hoare annotation was computed. [2018-07-20 21:49:20,459 INFO L421 ceAbstractionStarter]: For program point L20'''(lines 20 24) no Hoare annotation was computed. [2018-07-20 21:49:20,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:49:20 BoogieIcfgContainer [2018-07-20 21:49:20,468 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-20 21:49:20,469 INFO L168 Benchmark]: Toolchain (without parser) took 4834.51 ms. Allocated memory was 304.1 MB in the beginning and 483.4 MB in the end (delta: 179.3 MB). Free memory was 251.1 MB in the beginning and 396.7 MB in the end (delta: -145.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,470 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 304.1 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-07-20 21:49:20,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.76 ms. Allocated memory is still 304.1 MB. Free memory was 250.1 MB in the beginning and 241.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.26 ms. Allocated memory is still 304.1 MB. Free memory was 241.1 MB in the beginning and 240.1 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,472 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 ms. Allocated memory is still 304.1 MB. Free memory was 240.1 MB in the beginning and 239.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,473 INFO L168 Benchmark]: RCFGBuilder took 416.41 ms. Allocated memory was 304.1 MB in the beginning and 461.9 MB in the end (delta: 157.8 MB). Free memory was 239.1 MB in the beginning and 431.9 MB in the end (delta: -192.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,473 INFO L168 Benchmark]: TraceAbstraction took 4063.86 ms. Allocated memory was 461.9 MB in the beginning and 483.4 MB in the end (delta: 21.5 MB). Free memory was 431.9 MB in the beginning and 396.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 56.7 MB. Max. memory is 5.3 GB. [2018-07-20 21:49:20,478 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 304.1 MB. Free memory is still 269.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 296.76 ms. Allocated memory is still 304.1 MB. Free memory was 250.1 MB in the beginning and 241.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 5.3 GB. * Boogie Procedure Inliner took 23.26 ms. Allocated memory is still 304.1 MB. Free memory was 241.1 MB in the beginning and 240.1 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.70 ms. Allocated memory is still 304.1 MB. Free memory was 240.1 MB in the beginning and 239.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 416.41 ms. Allocated memory was 304.1 MB in the beginning and 461.9 MB in the end (delta: 157.8 MB). Free memory was 239.1 MB in the beginning and 431.9 MB in the end (delta: -192.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4063.86 ms. Allocated memory was 461.9 MB in the beginning and 483.4 MB in the end (delta: 21.5 MB). Free memory was 431.9 MB in the beginning and 396.7 MB in the end (delta: 35.2 MB). Peak memory consumption was 56.7 MB. Max. memory is 5.3 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: 20]: Loop Invariant Derived loop invariant: (((k <= j + 2147483648 && 2 * k <= 4294967294) && 0 <= 2 * k) && j <= k) || ((n <= 0 && j <= 0) && i <= 0) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((n <= i + 2147483647 && i <= 0) && 0 <= 2 * k) && 0 <= 2 * n + 4294967296) && k <= i) || (((((2 * n <= 4294967294 && i <= n + 2147483648) && i + k <= 4294967294) && i <= k) && k <= i) && 1 <= k) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. SAFE Result, 3.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 SDtfs, 34 SDslu, 142 SDs, 0 SdLazy, 54 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9227053140096619 AbsIntWeakeningRatio, 0.5217391304347826 AbsIntAvgWeakeningVarsNumRemoved, 9.217391304347826 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 17 NumberOfFragments, 99 HoareAnnotationTreeSize, 11 FomulaSimplifications, 264 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 195 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 2003 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 7/9 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/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/down_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-20_21-49-20-492.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/down_true-unreach-call_true-termination.i_svcomp-Reach-64bit-Taipan_Default.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-20_21-49-20-492.csv Received shutdown request...