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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:58:12,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:58:12,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:58:12,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:58:12,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:58:12,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:58:12,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:58:12,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:58:12,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:58:12,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:58:12,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:58:12,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:58:12,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:58:12,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:58:12,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:58:12,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:58:12,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:58:12,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:58:12,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:58:12,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:58:12,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:58:12,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:58:12,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:58:12,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:58:12,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-13 22:58:12,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:58:12,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:58:12,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:58:12,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:58:12,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:58:12,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:58:12,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:58:12,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:58:12,137 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:58:12,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:58:12,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:58:12,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:58:12,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:58:12,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:58:12,139 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:58:12,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:58:12,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:58:12,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:58:12,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:58:12,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:58:12,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:58:12,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:58:12,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:58:12,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:58:12,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:58:12,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:58:12,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:58:12,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:58:12,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:58:12,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:58:12,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:58:12,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:58:12,416 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:58:12,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-10-13 22:58:12,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14b7446b/efbe3aaa1b6f437fa5d10698bb69bb7d/FLAGf73093a43 [2019-10-13 22:58:12,924 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:58:12,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-10-13 22:58:12,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14b7446b/efbe3aaa1b6f437fa5d10698bb69bb7d/FLAGf73093a43 [2019-10-13 22:58:13,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c14b7446b/efbe3aaa1b6f437fa5d10698bb69bb7d [2019-10-13 22:58:13,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:58:13,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:58:13,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:13,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:58:13,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:58:13,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@421e582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13, skipping insertion in model container [2019-10-13 22:58:13,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,358 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:58:13,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:58:13,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:13,538 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:58:13,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:58:13,565 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:58:13,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13 WrapperNode [2019-10-13 22:58:13,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:58:13,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:58:13,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:58:13,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:58:13,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (1/1) ... [2019-10-13 22:58:13,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:58:13,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:58:13,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:58:13,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:58:13,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (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 [2019-10-13 22:58:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:58:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:58:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-13 22:58:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:58:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:58:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:58:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-13 22:58:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:58:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:58:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:58:14,098 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:58:14,098 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 22:58:14,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:14 BoogieIcfgContainer [2019-10-13 22:58:14,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:58:14,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:58:14,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:58:14,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:58:14,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:58:13" (1/3) ... [2019-10-13 22:58:14,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32418576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:14, skipping insertion in model container [2019-10-13 22:58:14,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:58:13" (2/3) ... [2019-10-13 22:58:14,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32418576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:58:14, skipping insertion in model container [2019-10-13 22:58:14,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:58:14" (3/3) ... [2019-10-13 22:58:14,107 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c [2019-10-13 22:58:14,114 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:58:14,121 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:58:14,132 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:58:14,156 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:58:14,156 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:58:14,156 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:58:14,156 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:58:14,156 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:58:14,157 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:58:14,157 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:58:14,157 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:58:14,172 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-13 22:58:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-13 22:58:14,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:14,177 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:14,179 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:14,183 INFO L82 PathProgramCache]: Analyzing trace with hash 271538127, now seen corresponding path program 1 times [2019-10-13 22:58:14,190 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:14,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648880675] [2019-10-13 22:58:14,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,191 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:58:14,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648880675] [2019-10-13 22:58:14,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:14,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 22:58:14,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532675700] [2019-10-13 22:58:14,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 22:58:14,288 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:14,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 22:58:14,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 22:58:14,305 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-13 22:58:14,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:14,327 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-10-13 22:58:14,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 22:58:14,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-13 22:58:14,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:14,336 INFO L225 Difference]: With dead ends: 31 [2019-10-13 22:58:14,336 INFO L226 Difference]: Without dead ends: 13 [2019-10-13 22:58:14,339 INFO L600 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 [2019-10-13 22:58:14,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-10-13 22:58:14,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-10-13 22:58:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-13 22:58:14,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-10-13 22:58:14,376 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-10-13 22:58:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:14,377 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-10-13 22:58:14,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 22:58:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-10-13 22:58:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-13 22:58:14,378 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:14,378 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:14,378 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:14,379 INFO L82 PathProgramCache]: Analyzing trace with hash 183026044, now seen corresponding path program 1 times [2019-10-13 22:58:14,379 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:14,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416103067] [2019-10-13 22:58:14,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,380 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:58:14,537 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416103067] [2019-10-13 22:58:14,539 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:14,539 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:58:14,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943961360] [2019-10-13 22:58:14,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:58:14,542 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:14,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:58:14,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:58:14,545 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2019-10-13 22:58:14,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:14,561 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-10-13 22:58:14,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:58:14,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-13 22:58:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:14,564 INFO L225 Difference]: With dead ends: 21 [2019-10-13 22:58:14,564 INFO L226 Difference]: Without dead ends: 15 [2019-10-13 22:58:14,566 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:58:14,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-13 22:58:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-13 22:58:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-13 22:58:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-10-13 22:58:14,575 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2019-10-13 22:58:14,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:14,576 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-10-13 22:58:14,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:58:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-10-13 22:58:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-13 22:58:14,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:58:14,578 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:58:14,578 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:58:14,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:58:14,579 INFO L82 PathProgramCache]: Analyzing trace with hash -99000317, now seen corresponding path program 1 times [2019-10-13 22:58:14,579 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:58:14,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081032952] [2019-10-13 22:58:14,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:58:14,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:58:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:58:15,259 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2019-10-13 22:58:15,486 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2019-10-13 22:58:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:58:15,514 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081032952] [2019-10-13 22:58:15,514 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:58:15,516 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 22:58:15,517 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245072497] [2019-10-13 22:58:15,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 22:58:15,517 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:58:15,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 22:58:15,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-13 22:58:15,518 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 6 states. [2019-10-13 22:58:15,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:58:15,577 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-10-13 22:58:15,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:58:15,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-13 22:58:15,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:58:15,577 INFO L225 Difference]: With dead ends: 15 [2019-10-13 22:58:15,578 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 22:58:15,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 22:58:15,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 22:58:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 22:58:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 22:58:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 22:58:15,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-10-13 22:58:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:58:15,580 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 22:58:15,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 22:58:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 22:58:15,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 22:58:15,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 22:58:15,637 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-13 22:58:15,637 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:15,637 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 22:58:15,637 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 22:58:15,637 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 22:58:15,637 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 22:58:15,638 INFO L439 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (<= (* 6148914690520689323 main_~x~0) (let ((.cse2 (div main_~x~0 4294967296))) (let ((.cse1 (* .cse2 (- 4294967296)))) (let ((.cse0 (div (+ main_~x~0 .cse1) 3))) (+ (* 18446744069414584320 .cse0) (* 26409387498605864506611466240 (div (+ main_~x~0 (* .cse0 (- 3)) .cse1) 4294967296)) (* 26409387501680321853661380608 .cse2) 6148914689089033558))))) [2019-10-13 22:58:15,638 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed. [2019-10-13 22:58:15,638 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (<= (* 6148914690520689323 main_~x~0) (let ((.cse2 (div main_~x~0 4294967296))) (let ((.cse1 (* .cse2 (- 4294967296)))) (let ((.cse0 (div (+ main_~x~0 .cse1) 3))) (+ (* 18446744069414584320 .cse0) (* 26409387498605864506611466240 (div (+ main_~x~0 (* .cse0 (- 3)) .cse1) 4294967296)) (* 26409387501680321853661380608 .cse2) 6148914689089033558))))) (and (<= (div main_~y~0 4294967296) 0) (<= 1 main_~y~0))) [2019-10-13 22:58:15,639 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-10-13 22:58:15,639 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true [2019-10-13 22:58:15,639 INFO L443 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2019-10-13 22:58:15,639 INFO L443 ceAbstractionStarter]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2019-10-13 22:58:15,642 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true [2019-10-13 22:58:15,642 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-10-13 22:58:15,642 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed. [2019-10-13 22:58:15,643 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-10-13 22:58:15,643 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-10-13 22:58:15,643 INFO L443 ceAbstractionStarter]: For program point L7-2(lines 6 10) no Hoare annotation was computed. [2019-10-13 22:58:15,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:58:15 BoogieIcfgContainer [2019-10-13 22:58:15,665 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 22:58:15,669 INFO L168 Benchmark]: Toolchain (without parser) took 2326.50 ms. Allocated memory was 145.8 MB in the beginning and 233.8 MB in the end (delta: 88.1 MB). Free memory was 104.0 MB in the beginning and 189.2 MB in the end (delta: -85.2 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:15,670 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 22:58:15,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.99 ms. Allocated memory is still 145.8 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:15,673 INFO L168 Benchmark]: Boogie Preprocessor took 111.12 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 93.9 MB in the beginning and 181.5 MB in the end (delta: -87.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:15,675 INFO L168 Benchmark]: RCFGBuilder took 421.89 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 164.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:15,676 INFO L168 Benchmark]: TraceAbstraction took 1564.80 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 189.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-13 22:58:15,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 223.99 ms. Allocated memory is still 145.8 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.12 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 93.9 MB in the beginning and 181.5 MB in the end (delta: -87.5 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.89 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 164.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1564.80 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 163.5 MB in the beginning and 189.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 16]: Loop Invariant Derived loop invariant: 6148914690520689323 * x <= 18446744069414584320 * ((x + x / 4294967296 * -4294967296) / 3) + 26409387498605864506611466240 * ((x + (x + x / 4294967296 * -4294967296) / 3 * -3 + x / 4294967296 * -4294967296) / 4294967296) + 26409387501680321853661380608 * (x / 4294967296) + 6148914689089033558 || (y / 4294967296 <= 0 && 1 <= y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 2 SDslu, 37 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 3358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...