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 -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:08:32,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:08:32,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:08:32,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:08:32,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:08:32,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:08:32,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:08:32,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:08:32,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:08:32,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:08:32,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:08:32,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:08:32,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:08:32,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:08:32,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:08:32,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:08:32,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:08:32,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:08:32,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:08:32,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:08:32,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:08:32,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:08:32,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:08:32,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:08:32,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:08:32,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:08:32,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:08:32,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:08:32,354 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 [2019-10-14 23:08:32,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:08:32,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:08:32,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:08:32,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:08:32,379 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:08:32,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:08:32,380 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:08:32,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:08:32,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:08:32,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:08:32,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:08:32,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:08:32,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:08:32,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:08:32,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:08:32,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:08:32,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:08:32,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:08:32,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:08:32,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:08:32,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:08:32,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:08:32,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:08:32,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:08:32,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:08:32,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:08:32,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:08:32,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:08:32,386 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:08:32,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:08:32,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:08:32,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:08:32,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:08:32,705 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:08:32,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-10-14 23:08:32,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e17e52d/b53de30346ec4dc199c6dcda8fe62a78/FLAG28b2e30de [2019-10-14 23:08:33,300 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:08:33,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-10-14 23:08:33,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e17e52d/b53de30346ec4dc199c6dcda8fe62a78/FLAG28b2e30de [2019-10-14 23:08:33,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e17e52d/b53de30346ec4dc199c6dcda8fe62a78 [2019-10-14 23:08:33,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:08:33,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:08:33,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:33,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:08:33,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:08:33,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:33,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2150d71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33, skipping insertion in model container [2019-10-14 23:08:33,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:33,670 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:08:33,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:08:33,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:33,873 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:08:33,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:08:33,903 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:08:33,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33 WrapperNode [2019-10-14 23:08:33,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:08:33,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:08:33,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:08:33,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:08:33,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:33,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:33,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:33,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:34,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:34,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:34,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (1/1) ... [2019-10-14 23:08:34,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:08:34,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:08:34,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:08:34,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:08:34,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (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 [2019-10-14 23:08:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:08:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:08:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-10-14 23:08:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-14 23:08:34,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:08:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:08:34,085 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:08:34,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:08:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:08:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:08:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:08:34,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:08:34,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:08:34,379 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:08:34,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:34 BoogieIcfgContainer [2019-10-14 23:08:34,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:08:34,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:08:34,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:08:34,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:08:34,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:08:33" (1/3) ... [2019-10-14 23:08:34,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:34, skipping insertion in model container [2019-10-14 23:08:34,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:08:33" (2/3) ... [2019-10-14 23:08:34,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bcd003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:08:34, skipping insertion in model container [2019-10-14 23:08:34,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:08:34" (3/3) ... [2019-10-14 23:08:34,393 INFO L109 eAbstractionObserver]: Analyzing ICFG test05.c [2019-10-14 23:08:34,408 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:08:34,418 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:08:34,431 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:08:34,461 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:08:34,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:08:34,461 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:08:34,461 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:08:34,461 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:08:34,462 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:08:34,462 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:08:34,462 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:08:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-10-14 23:08:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-14 23:08:34,489 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:34,490 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:34,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:34,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:34,499 INFO L82 PathProgramCache]: Analyzing trace with hash -685779266, now seen corresponding path program 1 times [2019-10-14 23:08:34,511 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:34,511 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178394695] [2019-10-14 23:08:34,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:34,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:34,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:34,867 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178394695] [2019-10-14 23:08:34,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:34,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:08:34,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679904540] [2019-10-14 23:08:34,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:08:34,874 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:34,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:08:34,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:08:34,891 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 7 states. [2019-10-14 23:08:35,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:35,207 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2019-10-14 23:08:35,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:08:35,209 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-10-14 23:08:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:35,219 INFO L225 Difference]: With dead ends: 36 [2019-10-14 23:08:35,219 INFO L226 Difference]: Without dead ends: 21 [2019-10-14 23:08:35,223 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:08:35,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-14 23:08:35,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-14 23:08:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-14 23:08:35,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-10-14 23:08:35,285 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2019-10-14 23:08:35,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:35,286 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-10-14 23:08:35,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:08:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-10-14 23:08:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-14 23:08:35,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:35,288 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:35,289 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:35,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:35,290 INFO L82 PathProgramCache]: Analyzing trace with hash 636648720, now seen corresponding path program 1 times [2019-10-14 23:08:35,291 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:35,291 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589991302] [2019-10-14 23:08:35,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:35,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:35,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:35,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589991302] [2019-10-14 23:08:35,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:35,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 23:08:35,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107286111] [2019-10-14 23:08:35,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 23:08:35,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:35,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 23:08:35,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-14 23:08:35,530 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 7 states. [2019-10-14 23:08:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:35,763 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-10-14 23:08:35,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:08:35,764 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-14 23:08:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:35,765 INFO L225 Difference]: With dead ends: 23 [2019-10-14 23:08:35,765 INFO L226 Difference]: Without dead ends: 21 [2019-10-14 23:08:35,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:08:35,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-10-14 23:08:35,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-10-14 23:08:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-14 23:08:35,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2019-10-14 23:08:35,774 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 19 [2019-10-14 23:08:35,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:35,774 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2019-10-14 23:08:35,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 23:08:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2019-10-14 23:08:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-14 23:08:35,776 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:08:35,776 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:08:35,776 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:08:35,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:08:35,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1738724303, now seen corresponding path program 1 times [2019-10-14 23:08:35,777 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:08:35,777 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460335152] [2019-10-14 23:08:35,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:35,778 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:08:35,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:08:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:08:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:08:36,121 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460335152] [2019-10-14 23:08:36,121 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:08:36,121 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:08:36,121 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828272075] [2019-10-14 23:08:36,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:08:36,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:08:36,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:08:36,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:08:36,123 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 11 states. [2019-10-14 23:08:36,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:08:36,496 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-10-14 23:08:36,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-14 23:08:36,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2019-10-14 23:08:36,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:08:36,497 INFO L225 Difference]: With dead ends: 21 [2019-10-14 23:08:36,497 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:08:36,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2019-10-14 23:08:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:08:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:08:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:08:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:08:36,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-10-14 23:08:36,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:08:36,500 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:08:36,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:08:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:08:36,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:08:36,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:08:36,646 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:36,647 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-14 23:08:36,647 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:36,647 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (= |f_#in~a| f_~a) (= |f_#in~p1.base| f_~p1.base) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p2.offset |f_#in~p2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:08:36,647 INFO L443 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2019-10-14 23:08:36,647 INFO L443 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2019-10-14 23:08:36,648 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 11 18) no Hoare annotation was computed. [2019-10-14 23:08:36,648 INFO L439 ceAbstractionStarter]: At program point fENTRY(lines 11 18) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:08:36,648 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 11 18) no Hoare annotation was computed. [2019-10-14 23:08:36,648 INFO L443 ceAbstractionStarter]: For program point gEXIT(lines 4 9) no Hoare annotation was computed. [2019-10-14 23:08:36,648 INFO L443 ceAbstractionStarter]: For program point gFINAL(lines 4 9) no Hoare annotation was computed. [2019-10-14 23:08:36,648 INFO L439 ceAbstractionStarter]: At program point gENTRY(lines 4 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:08:36,649 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:08:36,649 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-14 23:08:36,649 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:08:36,649 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:08:36,649 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (and (= 4 |main_#t~mem4|) (not (= .cse0 |main_~#a~0.base|)) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= .cse0 |main_~#p1~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)))) [2019-10-14 23:08:36,649 INFO L443 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2019-10-14 23:08:36,650 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-14 23:08:36,650 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-14 23:08:36,650 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 20 46) no Hoare annotation was computed. [2019-10-14 23:08:36,650 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 20 46) no Hoare annotation was computed. [2019-10-14 23:08:36,651 INFO L439 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2019-10-14 23:08:36,651 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2019-10-14 23:08:36,651 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2019-10-14 23:08:36,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:08:36 BoogieIcfgContainer [2019-10-14 23:08:36,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:08:36,661 INFO L168 Benchmark]: Toolchain (without parser) took 3004.75 ms. Allocated memory was 138.4 MB in the beginning and 234.9 MB in the end (delta: 96.5 MB). Free memory was 103.9 MB in the beginning and 99.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 100.7 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,662 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.93 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 93.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,664 INFO L168 Benchmark]: Boogie Preprocessor took 118.23 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.8 MB in the beginning and 180.1 MB in the end (delta: -86.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,665 INFO L168 Benchmark]: RCFGBuilder took 357.60 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 160.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,666 INFO L168 Benchmark]: TraceAbstraction took 2273.83 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 160.9 MB in the beginning and 99.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-10-14 23:08:36,670 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.93 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 93.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.23 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.8 MB in the beginning and 180.1 MB in the end (delta: -86.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.60 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 160.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2273.83 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 160.9 MB in the beginning and 99.7 MB in the end (delta: 61.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 44 SDtfs, 34 SDslu, 88 SDs, 0 SdLazy, 239 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 99 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 7578 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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...