java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 03:06:16,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 03:06:16,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 03:06:16,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 03:06:16,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 03:06:16,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 03:06:16,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 03:06:16,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 03:06:16,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 03:06:16,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 03:06:16,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 03:06:16,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 03:06:16,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 03:06:16,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 03:06:16,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 03:06:16,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 03:06:16,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 03:06:16,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 03:06:16,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 03:06:16,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 03:06:16,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 03:06:16,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 03:06:16,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 03:06:16,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 03:06:16,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 03:06:16,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 03:06:17,012 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 03:06:17,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 03:06:17,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 03:06:17,013 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 03:06:17,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 03:06:17,013 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 03:06:17,013 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 03:06:17,014 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 03:06:17,014 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 03:06:17,014 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 03:06:17,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 03:06:17,015 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 03:06:17,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 03:06:17,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 03:06:17,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 03:06:17,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 03:06:17,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 03:06:17,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 03:06:17,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 03:06:17,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 03:06:17,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 03:06:17,017 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 03:06:17,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 03:06:17,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 03:06:17,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 03:06:17,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 03:06:17,018 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 03:06:17,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 03:06:17,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 03:06:17,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 03:06:17,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 03:06:17,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 03:06:17,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 03:06:17,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 03:06:17,071 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 03:06:17,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c [2019-09-10 03:06:17,135 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715793759/a6c31f881b7343c0a5b8505107ee16ed/FLAGc6c73b720 [2019-09-10 03:06:17,575 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 03:06:17,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/id_b3_o2-2.c [2019-09-10 03:06:17,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715793759/a6c31f881b7343c0a5b8505107ee16ed/FLAGc6c73b720 [2019-09-10 03:06:17,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/715793759/a6c31f881b7343c0a5b8505107ee16ed [2019-09-10 03:06:17,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 03:06:17,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 03:06:17,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 03:06:17,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 03:06:17,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 03:06:17,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 03:06:17" (1/1) ... [2019-09-10 03:06:17,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759f08ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:17, skipping insertion in model container [2019-09-10 03:06:17,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 03:06:17" (1/1) ... [2019-09-10 03:06:18,000 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 03:06:18,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 03:06:18,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 03:06:18,204 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 03:06:18,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 03:06:18,228 INFO L192 MainTranslator]: Completed translation [2019-09-10 03:06:18,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18 WrapperNode [2019-09-10 03:06:18,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 03:06:18,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 03:06:18,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 03:06:18,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 03:06:18,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (1/1) ... [2019-09-10 03:06:18,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 03:06:18,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 03:06:18,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 03:06:18,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 03:06:18,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (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 [2019-09-10 03:06:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 03:06:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 03:06:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-09-10 03:06:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 03:06:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 03:06:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 03:06:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-09-10 03:06:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 03:06:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 03:06:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 03:06:18,551 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 03:06:18,552 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 03:06:18,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 03:06:18 BoogieIcfgContainer [2019-09-10 03:06:18,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 03:06:18,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 03:06:18,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 03:06:18,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 03:06:18,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 03:06:17" (1/3) ... [2019-09-10 03:06:18,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112ac50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 03:06:18, skipping insertion in model container [2019-09-10 03:06:18,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 03:06:18" (2/3) ... [2019-09-10 03:06:18,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@112ac50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 03:06:18, skipping insertion in model container [2019-09-10 03:06:18,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 03:06:18" (3/3) ... [2019-09-10 03:06:18,562 INFO L109 eAbstractionObserver]: Analyzing ICFG id_b3_o2-2.c [2019-09-10 03:06:18,575 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 03:06:18,584 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 03:06:18,632 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 03:06:18,692 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 03:06:18,692 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 03:06:18,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 03:06:18,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 03:06:18,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 03:06:18,693 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 03:06:18,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 03:06:18,693 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 03:06:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-09-10 03:06:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-10 03:06:18,716 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 03:06:18,717 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 03:06:18,719 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 03:06:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 03:06:18,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1250208381, now seen corresponding path program 1 times [2019-09-10 03:06:18,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 03:06:18,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:18,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 03:06:18,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:18,763 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 03:06:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 03:06:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 03:06:18,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 03:06:18,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 03:06:18,893 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 03:06:18,897 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 03:06:18,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 03:06:18,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 03:06:18,909 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 5 states. [2019-09-10 03:06:18,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 03:06:18,965 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2019-09-10 03:06:18,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 03:06:18,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-09-10 03:06:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 03:06:18,979 INFO L225 Difference]: With dead ends: 27 [2019-09-10 03:06:18,979 INFO L226 Difference]: Without dead ends: 19 [2019-09-10 03:06:18,981 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 03:06:18,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-09-10 03:06:19,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-09-10 03:06:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-09-10 03:06:19,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-09-10 03:06:19,022 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 13 [2019-09-10 03:06:19,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 03:06:19,023 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-09-10 03:06:19,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 03:06:19,023 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-09-10 03:06:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-10 03:06:19,025 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 03:06:19,025 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 03:06:19,025 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 03:06:19,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 03:06:19,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1951994857, now seen corresponding path program 1 times [2019-09-10 03:06:19,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 03:06:19,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:19,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 03:06:19,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:19,028 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 03:06:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 03:06:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-10 03:06:19,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 03:06:19,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 03:06:19,102 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 03:06:19,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 03:06:19,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 03:06:19,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 03:06:19,105 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 5 states. [2019-09-10 03:06:19,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 03:06:19,136 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2019-09-10 03:06:19,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 03:06:19,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-09-10 03:06:19,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 03:06:19,138 INFO L225 Difference]: With dead ends: 23 [2019-09-10 03:06:19,138 INFO L226 Difference]: Without dead ends: 21 [2019-09-10 03:06:19,139 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 03:06:19,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-09-10 03:06:19,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-09-10 03:06:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-09-10 03:06:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2019-09-10 03:06:19,147 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 20 [2019-09-10 03:06:19,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 03:06:19,147 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2019-09-10 03:06:19,147 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 03:06:19,148 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-09-10 03:06:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-10 03:06:19,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 03:06:19,149 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 03:06:19,149 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 03:06:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 03:06:19,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1923365706, now seen corresponding path program 1 times [2019-09-10 03:06:19,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 03:06:19,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:19,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 03:06:19,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:19,152 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 03:06:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 03:06:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 03:06:19,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 03:06:19,298 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 03:06:19,299 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 21 with the following transitions: [2019-09-10 03:06:19,301 INFO L207 CegarAbsIntRunner]: [0], [4], [6], [9], [11], [17], [20], [21], [23], [27], [28], [29], [30], [31], [33], [34], [35], [36] [2019-09-10 03:06:19,338 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 03:06:19,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 03:06:19,405 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 03:06:19,537 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 03:06:19,539 INFO L272 AbstractInterpreter]: Visited 18 different actions 63 times. Merged at 6 different actions 24 times. Never widened. Performed 122 root evaluator evaluations with a maximum evaluation depth of 6. Performed 122 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-10 03:06:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 03:06:19,544 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 03:06:19,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 03:06:19,544 INFO L193 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 [2019-09-10 03:06:19,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 03:06:19,556 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 03:06:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 03:06:19,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-10 03:06:19,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 03:06:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-10 03:06:19,669 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 03:06:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-09-10 03:06:19,869 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 03:06:19,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 10 [2019-09-10 03:06:19,869 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 03:06:19,870 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 03:06:19,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 03:06:19,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-09-10 03:06:19,871 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 10 states. [2019-09-10 03:06:20,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 03:06:20,024 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2019-09-10 03:06:20,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 03:06:20,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2019-09-10 03:06:20,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 03:06:20,026 INFO L225 Difference]: With dead ends: 27 [2019-09-10 03:06:20,026 INFO L226 Difference]: Without dead ends: 25 [2019-09-10 03:06:20,027 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2019-09-10 03:06:20,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-09-10 03:06:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2019-09-10 03:06:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-09-10 03:06:20,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2019-09-10 03:06:20,032 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 20 [2019-09-10 03:06:20,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 03:06:20,033 INFO L475 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2019-09-10 03:06:20,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 03:06:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-09-10 03:06:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-09-10 03:06:20,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 03:06:20,034 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 03:06:20,035 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 03:06:20,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 03:06:20,035 INFO L82 PathProgramCache]: Analyzing trace with hash 405472645, now seen corresponding path program 2 times [2019-09-10 03:06:20,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 03:06:20,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:20,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 03:06:20,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 03:06:20,037 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 03:06:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 03:06:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 03:06:20,139 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 03:06:20,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 03:06:20 BoogieIcfgContainer [2019-09-10 03:06:20,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 03:06:20,170 INFO L168 Benchmark]: Toolchain (without parser) took 2184.21 ms. Allocated memory was 132.1 MB in the beginning and 220.7 MB in the end (delta: 88.6 MB). Free memory was 88.7 MB in the beginning and 179.5 MB in the end (delta: -90.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 03:06:20,171 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 03:06:20,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.27 ms. Allocated memory is still 132.1 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-10 03:06:20,173 INFO L168 Benchmark]: Boogie Preprocessor took 105.83 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.1 MB in the end (delta: -95.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-10 03:06:20,174 INFO L168 Benchmark]: RCFGBuilder took 217.98 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-10 03:06:20,175 INFO L168 Benchmark]: TraceAbstraction took 1613.31 ms. Allocated memory was 198.2 MB in the beginning and 220.7 MB in the end (delta: 22.5 MB). Free memory was 163.5 MB in the beginning and 179.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-09-10 03:06:20,179 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.27 ms. Allocated memory is still 132.1 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.83 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 79.2 MB in the beginning and 175.1 MB in the end (delta: -95.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 217.98 ms. Allocated memory is still 198.2 MB. Free memory was 175.1 MB in the beginning and 163.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1613.31 ms. Allocated memory was 198.2 MB in the beginning and 220.7 MB in the end (delta: 22.5 MB). Free memory was 163.5 MB in the beginning and 179.5 MB in the end (delta: -16.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int input = __VERIFIER_nondet_int(); [L13] CALL, EXPR id(input) VAL [\old(x)=2] [L5] COND FALSE !(x==0) VAL [\old(x)=2, x=2] [L6] CALL, EXPR id((unsigned int)x-1) VAL [\old(x)=1] [L5] COND FALSE !(x==0) VAL [\old(x)=1, x=1] [L6] CALL, EXPR id((unsigned int)x-1) VAL [\old(x)=0] [L5] COND TRUE x==0 [L5] return 0; VAL [\old(x)=0, \result=0, x=0] [L6] RET, EXPR id((unsigned int)x-1) VAL [\old(x)=1, id((unsigned int)x-1)=0, x=1] [L6] int ret = id((unsigned int)x-1) + 1; [L7] COND FALSE !(ret > 3) [L8] return ret; VAL [\old(x)=1, \result=1, ret=1, x=1] [L6] RET, EXPR id((unsigned int)x-1) VAL [\old(x)=2, id((unsigned int)x-1)=1, x=2] [L6] int ret = id((unsigned int)x-1) + 1; [L7] COND FALSE !(ret > 3) [L8] return ret; VAL [\old(x)=2, \result=2, ret=2, x=2] [L13] RET, EXPR id(input) VAL [id(input)=2, input=2] [L13] int result = id(input); [L14] COND TRUE result == 2 VAL [input=2, result=2] [L15] __VERIFIER_error() VAL [input=2, result=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. UNSAFE Result, 1.4s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 13 SDslu, 177 SDs, 0 SdLazy, 77 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 2938 SizeOfPredicates, 2 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 10/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...