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/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:14:49,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:14:49,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:14:49,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:14:49,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:14:49,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:14:49,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:14:49,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:14:49,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:14:49,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:14:49,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:14:49,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:14:49,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:14:49,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:14:49,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:14:49,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:14:49,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:14:49,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:14:49,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:14:49,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:14:49,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:14:49,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:14:49,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:14:49,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:14:49,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:14:49,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:14:49,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:14:49,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:14:49,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:14:49,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:14:49,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:14:49,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:14:49,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:14:49,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:14:49,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:14:49,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:14:49,940 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 23:14:49,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:14:49,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:14:49,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:14:49,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:14:49,977 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:14:49,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:14:49,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:14:49,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:14:49,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:14:49,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:14:49,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:14:49,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:14:49,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:14:49,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:14:49,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:14:49,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:14:49,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:14:49,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:14:49,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:14:49,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:14:49,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:14:49,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:14:49,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:14:49,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:14:49,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:14:49,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:14:49,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:14:49,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:14:49,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:14:50,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:14:50,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:14:50,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:14:50,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:14:50,335 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:14:50,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-14 23:14:50,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb14b7158/90d732261b6d4cf19550c686af2e1cd3/FLAG01a15c718 [2019-10-14 23:14:50,900 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:14:50,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-10-14 23:14:50,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb14b7158/90d732261b6d4cf19550c686af2e1cd3/FLAG01a15c718 [2019-10-14 23:14:51,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb14b7158/90d732261b6d4cf19550c686af2e1cd3 [2019-10-14 23:14:51,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:14:51,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:14:51,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:51,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:14:51,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:14:51,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1be31226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51, skipping insertion in model container [2019-10-14 23:14:51,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:14:51,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:14:51,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:51,791 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:14:51,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:14:51,920 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:14:51,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51 WrapperNode [2019-10-14 23:14:51,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:14:51,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:14:51,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:14:51,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:14:51,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:51,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:52,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (1/1) ... [2019-10-14 23:14:52,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:14:52,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:14:52,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:14:52,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:14:52,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (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 23:14:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:14:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:14:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:14:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:14:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-10-14 23:14:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-14 23:14:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:14:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 23:14:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:14:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:14:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:14:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:14:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:14:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:14:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:14:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:14:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:14:53,156 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:14:53,156 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:14:53,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:53 BoogieIcfgContainer [2019-10-14 23:14:53,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:14:53,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:14:53,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:14:53,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:14:53,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:14:51" (1/3) ... [2019-10-14 23:14:53,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6648c5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:53, skipping insertion in model container [2019-10-14 23:14:53,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:14:51" (2/3) ... [2019-10-14 23:14:53,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6648c5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:14:53, skipping insertion in model container [2019-10-14 23:14:53,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:14:53" (3/3) ... [2019-10-14 23:14:53,165 INFO L109 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+lhb-reducer.c [2019-10-14 23:14:53,175 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:14:53,182 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:14:53,193 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:14:53,217 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:14:53,217 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:14:53,217 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:14:53,218 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:14:53,218 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:14:53,218 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:14:53,218 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:14:53,219 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:14:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-10-14 23:14:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-14 23:14:53,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:53,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:53,245 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:53,250 INFO L82 PathProgramCache]: Analyzing trace with hash 377540282, now seen corresponding path program 1 times [2019-10-14 23:14:53,256 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:53,256 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107228174] [2019-10-14 23:14:53,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:53,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:53,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:54,562 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:14:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:54,617 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 23:14:54,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107228174] [2019-10-14 23:14:54,620 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:14:54,620 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-10-14 23:14:54,620 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945086681] [2019-10-14 23:14:54,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-14 23:14:54,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:54,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-14 23:14:54,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2019-10-14 23:14:54,642 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 20 states. [2019-10-14 23:14:54,936 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-10-14 23:14:55,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:14:55,991 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2019-10-14 23:14:55,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-14 23:14:55,993 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 48 [2019-10-14 23:14:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:14:56,002 INFO L225 Difference]: With dead ends: 92 [2019-10-14 23:14:56,002 INFO L226 Difference]: Without dead ends: 57 [2019-10-14 23:14:56,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2019-10-14 23:14:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-10-14 23:14:56,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2019-10-14 23:14:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-14 23:14:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2019-10-14 23:14:56,042 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2019-10-14 23:14:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:14:56,042 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2019-10-14 23:14:56,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-14 23:14:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2019-10-14 23:14:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-14 23:14:56,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:56,045 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:56,045 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:56,045 INFO L82 PathProgramCache]: Analyzing trace with hash -849330057, now seen corresponding path program 1 times [2019-10-14 23:14:56,046 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:56,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382330775] [2019-10-14 23:14:56,046 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:56,046 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:56,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:56,776 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:14:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:56,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382330775] [2019-10-14 23:14:56,796 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911277577] [2019-10-14 23:14:56,797 INFO L94 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 [2019-10-14 23:14:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:56,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-14 23:14:57,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:14:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:57,080 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:14:57,080 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14] total 22 [2019-10-14 23:14:57,080 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135938204] [2019-10-14 23:14:57,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-14 23:14:57,083 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:57,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-14 23:14:57,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:14:57,084 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 22 states. [2019-10-14 23:14:58,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:14:58,195 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2019-10-14 23:14:58,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-14 23:14:58,196 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 53 [2019-10-14 23:14:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:14:58,198 INFO L225 Difference]: With dead ends: 65 [2019-10-14 23:14:58,198 INFO L226 Difference]: Without dead ends: 62 [2019-10-14 23:14:58,199 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-14 23:14:58,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-14 23:14:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2019-10-14 23:14:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-10-14 23:14:58,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2019-10-14 23:14:58,208 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 53 [2019-10-14 23:14:58,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:14:58,208 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2019-10-14 23:14:58,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-14 23:14:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2019-10-14 23:14:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-14 23:14:58,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:14:58,211 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:14:58,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:14:58,417 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:14:58,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:14:58,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1610392358, now seen corresponding path program 2 times [2019-10-14 23:14:58,419 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:14:58,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578214372] [2019-10-14 23:14:58,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:58,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:14:58,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:14:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:59,047 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:14:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:14:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:59,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578214372] [2019-10-14 23:14:59,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605656313] [2019-10-14 23:14:59,065 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:14:59,550 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-14 23:14:59,551 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-14 23:14:59,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-14 23:14:59,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:14:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:14:59,628 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:14:59,628 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 15] total 23 [2019-10-14 23:14:59,629 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209900242] [2019-10-14 23:14:59,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-14 23:14:59,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:14:59,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-14 23:14:59,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2019-10-14 23:14:59,630 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 23 states. [2019-10-14 23:15:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:15:00,932 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-10-14 23:15:00,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-14 23:15:00,932 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 58 [2019-10-14 23:15:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:15:00,935 INFO L225 Difference]: With dead ends: 70 [2019-10-14 23:15:00,935 INFO L226 Difference]: Without dead ends: 67 [2019-10-14 23:15:00,936 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2019-10-14 23:15:00,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-14 23:15:00,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2019-10-14 23:15:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-10-14 23:15:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2019-10-14 23:15:00,945 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 58 [2019-10-14 23:15:00,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:15:00,946 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2019-10-14 23:15:00,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-14 23:15:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2019-10-14 23:15:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-14 23:15:00,947 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:15:00,947 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:15:01,152 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:15:01,153 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:15:01,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:15:01,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1809942103, now seen corresponding path program 3 times [2019-10-14 23:15:01,154 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:15:01,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152174048] [2019-10-14 23:15:01,155 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:15:01,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:15:01,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:15:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:15:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:15:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:15:01,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152174048] [2019-10-14 23:15:01,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417911053] [2019-10-14 23:15:01,869 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:15:02,650 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2019-10-14 23:15:02,650 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-14 23:15:02,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 34 conjunts are in the unsatisfiable core [2019-10-14 23:15:02,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:15:02,848 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:02,915 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-14 23:15:02,915 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2019-10-14 23:15:02,916 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:02,921 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-14 23:15:02,921 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-14 23:15:02,940 INFO L567 ElimStorePlain]: treesize reduction 5, result has 84.8 percent of original size [2019-10-14 23:15:02,941 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-14 23:15:02,941 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:82, output treesize:28 [2019-10-14 23:15:02,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-14 23:15:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-14 23:15:03,104 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:15:03,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9] total 30 [2019-10-14 23:15:03,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856715217] [2019-10-14 23:15:03,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-14 23:15:03,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:15:03,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-14 23:15:03,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2019-10-14 23:15:03,107 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 30 states. [2019-10-14 23:15:03,412 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-10-14 23:15:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:15:06,284 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2019-10-14 23:15:06,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-14 23:15:06,284 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 63 [2019-10-14 23:15:06,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:15:06,286 INFO L225 Difference]: With dead ends: 72 [2019-10-14 23:15:06,286 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:15:06,289 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=331, Invalid=2749, Unknown=0, NotChecked=0, Total=3080 [2019-10-14 23:15:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:15:06,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:15:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:15:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:15:06,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-10-14 23:15:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:15:06,290 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:15:06,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-14 23:15:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:15:06,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:15:06,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:15:06,501 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:15:06,757 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:15:06,890 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2019-10-14 23:15:06,892 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:15:06,893 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= ~__tmp_1075_2~0.base |old(~__tmp_1075_2~0.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|)) [2019-10-14 23:15:06,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:15:06,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:15:06,893 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~Id_MCDC_93~0 9) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1))) [2019-10-14 23:15:06,894 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 134 634) no Hoare annotation was computed. [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 568) no Hoare annotation was computed. [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 586) no Hoare annotation was computed. [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-10-14 23:15:06,894 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 592) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 563) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 465) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 551) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 569) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 575) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 546) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 134 634) no Hoare annotation was computed. [2019-10-14 23:15:06,895 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 534) no Hoare annotation was computed. [2019-10-14 23:15:06,896 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 552) no Hoare annotation was computed. [2019-10-14 23:15:06,896 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 633) no Hoare annotation was computed. [2019-10-14 23:15:06,896 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 558) no Hoare annotation was computed. [2019-10-14 23:15:06,896 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 134 634) the Hoare annotation is: (or (and (= ~__tmp_1075_1~0 |old(~__tmp_1075_1~0)|) (= |old(#length)| |#length|) (= ~Id_MCDC_93~0 |old(~Id_MCDC_93~0)|) (= ~__tmp_1075_2~0.base |old(~__tmp_1075_2~0.base)|) (= |#valid| |old(#valid)|) (= ~__tmp_1075_0~0 |old(~__tmp_1075_0~0)|) (= ~__tmp_1075_2~0.offset |old(~__tmp_1075_2~0.offset)|)) (not (<= |old(~Id_MCDC_93~0)| 9)) (not (< 0 (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1)))) [2019-10-14 23:15:06,896 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 529) no Hoare annotation was computed. [2019-10-14 23:15:06,896 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 517) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 535) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 541) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 631) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 512) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 619) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 500) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 518) no Hoare annotation was computed. [2019-10-14 23:15:06,897 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 524) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 614) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 478) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 495) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 602) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 620) no Hoare annotation was computed. [2019-10-14 23:15:06,898 INFO L439 ceAbstractionStarter]: At program point L446(lines 406 479) the Hoare annotation is: (let ((.cse0 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296))) (let ((.cse1 (< .cse0 42)) (.cse2 (= |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 0)) (.cse4 (= 0 (select (select |#memory_int| |main_~#Id_MCDC_89__Id_MCDC_95~0.base|) (+ |main_~#Id_MCDC_89__Id_MCDC_95~0.offset| 492))))) (or (not (<= |old(~Id_MCDC_93~0)| 9)) (let ((.cse5 (mod (+ main_~Id_MCDC_89__Id_MCDC_96~0 4294967295) 4294967296))) (let ((.cse3 (* 12 .cse5))) (and (not (= (* 12 .cse0) 492)) .cse1 .cse2 (not (= 492 .cse3)) .cse4 (= .cse3 ~__tmp_1075_2~0.offset) (< .cse5 42)))) (and .cse1 .cse2 .cse4 (<= ~Id_MCDC_93~0 9) (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= main_~Id_MCDC_89__Id_MCDC_96~0 9) (<= 9 main_~Id_MCDC_89__Id_MCDC_96~0)) (not (< 0 (+ (div |old(~Id_MCDC_93~0)| 4294967296) 1)))))) [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 626) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 451) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 483) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 501) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 471) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 507) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 597) no Hoare annotation was computed. [2019-10-14 23:15:06,899 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 585) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L216(lines 216 603) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 609) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 452) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 484) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 473) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 490) no Hoare annotation was computed. [2019-10-14 23:15:06,900 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 580) no Hoare annotation was computed. [2019-10-14 23:15:06,909 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,910 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:15:06 BoogieIcfgContainer [2019-10-14 23:15:06,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:15:06,922 INFO L168 Benchmark]: Toolchain (without parser) took 15681.85 ms. Allocated memory was 137.4 MB in the beginning and 384.3 MB in the end (delta: 246.9 MB). Free memory was 101.8 MB in the beginning and 326.3 MB in the end (delta: -224.5 MB). Peak memory consumption was 232.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,923 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.79 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,925 INFO L168 Benchmark]: Boogie Preprocessor took 85.91 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 165.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,926 INFO L168 Benchmark]: RCFGBuilder took 1150.39 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 181.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,927 INFO L168 Benchmark]: TraceAbstraction took 13761.51 ms. Allocated memory was 233.8 MB in the beginning and 384.3 MB in the end (delta: 150.5 MB). Free memory was 181.6 MB in the beginning and 326.3 MB in the end (delta: -144.7 MB). Peak memory consumption was 215.5 MB. Max. memory is 7.1 GB. [2019-10-14 23:15:06,931 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.79 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.6 MB in the beginning and 169.8 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.91 ms. Allocated memory is still 201.9 MB. Free memory was 169.8 MB in the beginning and 165.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1150.39 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 181.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13761.51 ms. Allocated memory was 233.8 MB in the beginning and 384.3 MB in the end (delta: 150.5 MB). Free memory was 181.6 MB in the beginning and 326.3 MB in the end (delta: -144.7 MB). Peak memory consumption was 215.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 465]: 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: 406]: Loop Invariant [2019-10-14 23:15:06,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-14 23:15:06,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(\old(Id_MCDC_93) <= 9) || ((((((!(12 * ((Id_MCDC_93 + 4294967295) % 4294967296) == 492) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_95 == 0) && !(492 == 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296))) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && 12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296) == __tmp_1075_2) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42)) || (((((((Id_MCDC_93 + 4294967295) % 4294967296 < 42 && Id_MCDC_89__Id_MCDC_95 == 0) && 0 == unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492]) && Id_MCDC_93 <= 9) && 0 < Id_MCDC_93 / 4294967296 + 1) && Id_MCDC_89__Id_MCDC_96 <= 9) && 9 <= Id_MCDC_89__Id_MCDC_96)) || !(0 < \old(Id_MCDC_93) / 4294967296 + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 13.6s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 76 SDtfs, 349 SDslu, 979 SDs, 0 SdLazy, 4090 SolverSat, 138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 171 SyntacticMatches, 7 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=3, 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 255 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 342 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 396 NumberOfCodeBlocks, 391 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 389 ConstructedInterpolants, 0 QuantifiedInterpolants, 191485 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2536 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 13/76 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...