/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 04:51:11,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 04:51:11,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 04:51:11,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-22 04:51:11,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 04:51:11,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 04:51:11,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 04:51:11,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 04:51:11,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 04:51:11,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 04:51:11,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 04:51:11,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 04:51:11,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 04:51:11,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 04:51:11,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 04:51:11,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 04:51:11,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 04:51:11,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 04:51:11,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 04:51:11,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 04:51:11,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 04:51:11,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 04:51:11,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 04:51:11,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 04:51:11,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 04:51:11,611 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 04:51:11,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 04:51:11,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 04:51:11,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 04:51:11,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 04:51:11,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 04:51:11,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 04:51:11,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 04:51:11,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 04:51:11,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 04:51:11,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 04:51:11,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 04:51:11,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 04:51:11,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 04:51:11,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 04:51:11,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 04:51:11,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 04:51:11,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 04:51:11,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 04:51:11,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 04:51:11,616 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 04:51:11,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 04:51:12,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 04:51:12,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 04:51:12,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 04:51:12,074 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 04:51:12,075 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 04:51:12,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2020-12-22 04:51:12,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a43bb07d/5abff642bf0941c7a0ab32c5a59061d9/FLAG420700999 [2020-12-22 04:51:12,787 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 04:51:12,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2020-12-22 04:51:12,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a43bb07d/5abff642bf0941c7a0ab32c5a59061d9/FLAG420700999 [2020-12-22 04:51:13,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a43bb07d/5abff642bf0941c7a0ab32c5a59061d9 [2020-12-22 04:51:13,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 04:51:13,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 04:51:13,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 04:51:13,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 04:51:13,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 04:51:13,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7cb94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13, skipping insertion in model container [2020-12-22 04:51:13,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 04:51:13,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 04:51:13,326 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2020-12-22 04:51:13,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:51:13,350 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 04:51:13,365 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2020-12-22 04:51:13,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 04:51:13,387 INFO L208 MainTranslator]: Completed translation [2020-12-22 04:51:13,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13 WrapperNode [2020-12-22 04:51:13,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 04:51:13,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 04:51:13,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 04:51:13,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 04:51:13,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 04:51:13,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 04:51:13,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 04:51:13,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 04:51:13,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (1/1) ... [2020-12-22 04:51:13,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 04:51:13,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 04:51:13,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 04:51:13,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 04:51:13,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (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 [2020-12-22 04:51:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 04:51:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 04:51:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 04:51:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 04:51:13,832 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 04:51:13,833 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-22 04:51:13,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:51:13 BoogieIcfgContainer [2020-12-22 04:51:13,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 04:51:13,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 04:51:13,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 04:51:13,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 04:51:13,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:51:13" (1/3) ... [2020-12-22 04:51:13,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b746a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:51:13, skipping insertion in model container [2020-12-22 04:51:13,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:51:13" (2/3) ... [2020-12-22 04:51:13,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b746a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:51:13, skipping insertion in model container [2020-12-22 04:51:13,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:51:13" (3/3) ... [2020-12-22 04:51:13,845 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2020-12-22 04:51:13,853 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 04:51:13,858 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-22 04:51:13,890 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-22 04:51:14,005 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 04:51:14,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 04:51:14,006 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 04:51:14,006 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 04:51:14,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 04:51:14,014 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 04:51:14,014 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 04:51:14,015 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 04:51:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-12-22 04:51:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 04:51:14,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:51:14,049 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:51:14,049 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:51:14,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:51:14,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1807089479, now seen corresponding path program 1 times [2020-12-22 04:51:14,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:51:14,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726214876] [2020-12-22 04:51:14,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:51:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:51:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:51:14,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726214876] [2020-12-22 04:51:14,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:51:14,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 04:51:14,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930606719] [2020-12-22 04:51:14,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 04:51:14,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:51:14,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 04:51:14,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 04:51:14,344 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2020-12-22 04:51:14,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:51:14,364 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2020-12-22 04:51:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 04:51:14,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-22 04:51:14,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:51:14,390 INFO L225 Difference]: With dead ends: 20 [2020-12-22 04:51:14,390 INFO L226 Difference]: Without dead ends: 8 [2020-12-22 04:51:14,394 INFO L677 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 [2020-12-22 04:51:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-12-22 04:51:14,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-12-22 04:51:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-12-22 04:51:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-22 04:51:14,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 7 [2020-12-22 04:51:14,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:51:14,440 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-12-22 04:51:14,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 04:51:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-22 04:51:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-22 04:51:14,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:51:14,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:51:14,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 04:51:14,443 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:51:14,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:51:14,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1806970315, now seen corresponding path program 1 times [2020-12-22 04:51:14,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:51:14,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301863249] [2020-12-22 04:51:14,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:51:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:51:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:51:14,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301863249] [2020-12-22 04:51:14,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 04:51:14,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 04:51:14,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493714721] [2020-12-22 04:51:14,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 04:51:14,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:51:14,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 04:51:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 04:51:14,648 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 4 states. [2020-12-22 04:51:14,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:51:14,723 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-12-22 04:51:14,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:51:14,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-22 04:51:14,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:51:14,726 INFO L225 Difference]: With dead ends: 13 [2020-12-22 04:51:14,726 INFO L226 Difference]: Without dead ends: 9 [2020-12-22 04:51:14,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 04:51:14,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-12-22 04:51:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-12-22 04:51:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-12-22 04:51:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-12-22 04:51:14,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-12-22 04:51:14,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:51:14,734 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-12-22 04:51:14,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 04:51:14,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-12-22 04:51:14,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 04:51:14,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 04:51:14,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 04:51:14,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 04:51:14,738 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 04:51:14,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 04:51:14,739 INFO L82 PathProgramCache]: Analyzing trace with hash 183170323, now seen corresponding path program 1 times [2020-12-22 04:51:14,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 04:51:14,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185020581] [2020-12-22 04:51:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 04:51:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:51:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:51:14,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185020581] [2020-12-22 04:51:14,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412066822] [2020-12-22 04:51:14,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 04:51:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 04:51:14,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 04:51:15,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 04:51:15,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 04:51:15,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 04:51:15,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-22 04:51:15,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500696798] [2020-12-22 04:51:15,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 04:51:15,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 04:51:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 04:51:15,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 04:51:15,148 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 7 states. [2020-12-22 04:51:15,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 04:51:15,169 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2020-12-22 04:51:15,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 04:51:15,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 8 [2020-12-22 04:51:15,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 04:51:15,170 INFO L225 Difference]: With dead ends: 9 [2020-12-22 04:51:15,170 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 04:51:15,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-22 04:51:15,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 04:51:15,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 04:51:15,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 04:51:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 04:51:15,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2020-12-22 04:51:15,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 04:51:15,172 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 04:51:15,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 04:51:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 04:51:15,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 04:51:15,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-22 04:51:15,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 04:51:15,403 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 04:51:15,403 INFO L192 CegarLoopUtils]: At program point L29(lines 19 30) the Hoare annotation is: true [2020-12-22 04:51:15,403 INFO L189 CegarLoopUtils]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-22 04:51:15,404 INFO L189 CegarLoopUtils]: For program point L15(lines 15 17) no Hoare annotation was computed. [2020-12-22 04:51:15,404 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 04:51:15,404 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 04:51:15,404 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 04:51:15,404 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2020-12-22 04:51:15,405 INFO L185 CegarLoopUtils]: At program point L24-2(lines 24 27) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~i~0) (<= 0 ULTIMATE.start_main_~sum~0)) [2020-12-22 04:51:15,405 INFO L189 CegarLoopUtils]: For program point L24-3(lines 24 27) no Hoare annotation was computed. [2020-12-22 04:51:15,405 INFO L189 CegarLoopUtils]: For program point L16(line 16) no Hoare annotation was computed. [2020-12-22 04:51:15,405 INFO L189 CegarLoopUtils]: For program point L14(lines 14 18) no Hoare annotation was computed. [2020-12-22 04:51:15,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 04:51:15 BoogieIcfgContainer [2020-12-22 04:51:15,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 04:51:15,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 04:51:15,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 04:51:15,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 04:51:15,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:51:13" (3/4) ... [2020-12-22 04:51:15,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 04:51:15,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-22 04:51:15,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-22 04:51:15,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:51:15,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 04:51:15,547 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-zilu/benchmark20_conjunctive.i-witness.graphml [2020-12-22 04:51:15,547 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 04:51:15,556 INFO L168 Benchmark]: Toolchain (without parser) took 2405.50 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 87.9 MB in the end (delta: 38.0 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,557 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 122.8 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 04:51:15,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.04 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,560 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 113.3 MB in the end (delta: 954.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,561 INFO L168 Benchmark]: RCFGBuilder took 382.81 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 102.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,565 INFO L168 Benchmark]: TraceAbstraction took 1590.84 ms. Allocated memory is still 151.0 MB. Free memory was 101.9 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,566 INFO L168 Benchmark]: Witness Printer took 119.18 ms. Allocated memory is still 151.0 MB. Free memory was 91.0 MB in the beginning and 87.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 04:51:15,580 INFO L339 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 151.0 MB. Free memory was 122.9 MB in the beginning and 122.8 MB in the end (delta: 96.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 243.04 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 115.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.64 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.94 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 113.3 MB in the end (delta: 954.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 382.81 ms. Allocated memory is still 151.0 MB. Free memory was 113.2 MB in the beginning and 102.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1590.84 ms. Allocated memory is still 151.0 MB. Free memory was 101.9 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 8.0 GB. * Witness Printer took 119.18 ms. Allocated memory is still 151.0 MB. Free memory was 91.0 MB in the beginning and 87.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 <= i && 0 <= sum - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 6 SDslu, 14 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 373 SizeOfPredicates, 2 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...