/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 17:08:24,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 17:08:24,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 17:08:24,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 17:08:24,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 17:08:24,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 17:08:24,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 17:08:24,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 17:08:24,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 17:08:24,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 17:08:24,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 17:08:24,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 17:08:24,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 17:08:24,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 17:08:24,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 17:08:24,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 17:08:24,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 17:08:24,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 17:08:24,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 17:08:24,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 17:08:24,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 17:08:24,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 17:08:24,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 17:08:24,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 17:08:24,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 17:08:24,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 17:08:24,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 17:08:24,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 17:08:24,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 17:08:24,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 17:08:24,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 17:08:24,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 17:08:24,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 17:08:24,887 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 17:08:24,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 17:08:24,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 17:08:24,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 17:08:24,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 17:08:24,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 17:08:24,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 17:08:24,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 17:08:24,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 17:08:24,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 17:08:24,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 17:08:24,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 17:08:24,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 17:08:24,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 17:08:24,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 17:08:24,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 17:08:24,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 17:08:24,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 17:08:24,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 17:08:24,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 17:08:24,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 17:08:24,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 17:08:25,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 17:08:25,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 17:08:25,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 17:08:25,366 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 17:08:25,367 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 17:08:25,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c [2021-01-06 17:08:25,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c3873e85a/2993b574a37b4f829615291807c0944b/FLAG5852c4145 [2021-01-06 17:08:26,089 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 17:08:26,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c [2021-01-06 17:08:26,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c3873e85a/2993b574a37b4f829615291807c0944b/FLAG5852c4145 [2021-01-06 17:08:26,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c3873e85a/2993b574a37b4f829615291807c0944b [2021-01-06 17:08:26,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 17:08:26,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 17:08:26,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 17:08:26,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 17:08:26,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 17:08:26,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e02c9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26, skipping insertion in model container [2021-01-06 17:08:26,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 17:08:26,181 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~v~0,] [2021-01-06 17:08:26,411 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c[557,570] [2021-01-06 17:08:26,425 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c[613,626] [2021-01-06 17:08:26,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 17:08:26,443 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~v~0,] [2021-01-06 17:08:26,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c[557,570] [2021-01-06 17:08:26,464 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/loop-invariants/linear-inequality-inv-b.c[613,626] [2021-01-06 17:08:26,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 17:08:26,484 INFO L208 MainTranslator]: Completed translation [2021-01-06 17:08:26,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26 WrapperNode [2021-01-06 17:08:26,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 17:08:26,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 17:08:26,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 17:08:26,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 17:08:26,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 17:08:26,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 17:08:26,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 17:08:26,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 17:08:26,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... [2021-01-06 17:08:26,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 17:08:26,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 17:08:26,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 17:08:26,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 17:08:26,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 17:08:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 17:08:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 17:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 17:08:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 17:08:26,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 17:08:26,987 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-01-06 17:08:26,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 05:08:26 BoogieIcfgContainer [2021-01-06 17:08:26,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 17:08:26,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 17:08:26,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 17:08:26,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 17:08:26,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 05:08:26" (1/3) ... [2021-01-06 17:08:26,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 05:08:26, skipping insertion in model container [2021-01-06 17:08:26,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 05:08:26" (2/3) ... [2021-01-06 17:08:26,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 05:08:26, skipping insertion in model container [2021-01-06 17:08:26,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 05:08:26" (3/3) ... [2021-01-06 17:08:27,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linear-inequality-inv-b.c [2021-01-06 17:08:27,018 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 17:08:27,032 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 17:08:27,094 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 17:08:27,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 17:08:27,160 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 17:08:27,160 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 17:08:27,160 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 17:08:27,160 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 17:08:27,160 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 17:08:27,161 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 17:08:27,161 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 17:08:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2021-01-06 17:08:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 17:08:27,187 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 17:08:27,188 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 17:08:27,189 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 17:08:27,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 17:08:27,198 INFO L82 PathProgramCache]: Analyzing trace with hash 889577263, now seen corresponding path program 1 times [2021-01-06 17:08:27,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 17:08:27,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202474011] [2021-01-06 17:08:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 17:08:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 17:08:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 17:08:27,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202474011] [2021-01-06 17:08:27,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 17:08:27,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 17:08:27,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372440975] [2021-01-06 17:08:27,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 17:08:27,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 17:08:27,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 17:08:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 17:08:27,499 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2021-01-06 17:08:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 17:08:27,517 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-01-06 17:08:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 17:08:27,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2021-01-06 17:08:27,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 17:08:27,529 INFO L225 Difference]: With dead ends: 20 [2021-01-06 17:08:27,529 INFO L226 Difference]: Without dead ends: 7 [2021-01-06 17:08:27,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 17:08:27,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-01-06 17:08:27,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-01-06 17:08:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-01-06 17:08:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-01-06 17:08:27,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 6 [2021-01-06 17:08:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 17:08:27,573 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-01-06 17:08:27,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 17:08:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-01-06 17:08:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-01-06 17:08:27,575 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 17:08:27,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-01-06 17:08:27,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 17:08:27,576 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 17:08:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 17:08:27,581 INFO L82 PathProgramCache]: Analyzing trace with hash 889573419, now seen corresponding path program 1 times [2021-01-06 17:08:27,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 17:08:27,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095944004] [2021-01-06 17:08:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 17:08:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 17:08:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 17:08:27,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095944004] [2021-01-06 17:08:27,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 17:08:27,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 17:08:27,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442358089] [2021-01-06 17:08:27,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 17:08:27,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 17:08:27,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 17:08:27,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 17:08:27,753 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 3 states. [2021-01-06 17:08:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 17:08:27,769 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-01-06 17:08:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 17:08:27,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-01-06 17:08:27,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 17:08:27,773 INFO L225 Difference]: With dead ends: 11 [2021-01-06 17:08:27,774 INFO L226 Difference]: Without dead ends: 8 [2021-01-06 17:08:27,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 17:08:27,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-01-06 17:08:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-01-06 17:08:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-01-06 17:08:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-01-06 17:08:27,781 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2021-01-06 17:08:27,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 17:08:27,781 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-01-06 17:08:27,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 17:08:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-01-06 17:08:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-01-06 17:08:27,782 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 17:08:27,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-01-06 17:08:27,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 17:08:27,785 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 17:08:27,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 17:08:27,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1807024099, now seen corresponding path program 1 times [2021-01-06 17:08:27,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 17:08:27,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067952197] [2021-01-06 17:08:27,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 17:08:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 17:08:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 17:08:27,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067952197] [2021-01-06 17:08:27,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287936274] [2021-01-06 17:08:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 17:08:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 17:08:27,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2021-01-06 17:08:27,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 17:08:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 17:08:28,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 17:08:28,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 17:08:28,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123483979] [2021-01-06 17:08:28,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 17:08:28,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 17:08:28,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 17:08:28,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 17:08:28,029 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 5 states. [2021-01-06 17:08:28,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 17:08:28,059 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2021-01-06 17:08:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 17:08:28,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2021-01-06 17:08:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 17:08:28,061 INFO L225 Difference]: With dead ends: 12 [2021-01-06 17:08:28,061 INFO L226 Difference]: Without dead ends: 9 [2021-01-06 17:08:28,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-01-06 17:08:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-01-06 17:08:28,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-01-06 17:08:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-01-06 17:08:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-01-06 17:08:28,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2021-01-06 17:08:28,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 17:08:28,073 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-01-06 17:08:28,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 17:08:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-01-06 17:08:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-01-06 17:08:28,074 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 17:08:28,074 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-01-06 17:08:28,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-01-06 17:08:28,288 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 17:08:28,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 17:08:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash 183224107, now seen corresponding path program 2 times [2021-01-06 17:08:28,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 17:08:28,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794529635] [2021-01-06 17:08:28,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 17:08:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 17:08:28,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 17:08:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 17:08:28,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 17:08:28,405 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 17:08:28,405 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 17:08:28,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 17:08:28,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 05:08:28 BoogieIcfgContainer [2021-01-06 17:08:28,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 17:08:28,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 17:08:28,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 17:08:28,433 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 17:08:28,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 05:08:26" (3/4) ... [2021-01-06 17:08:28,437 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 17:08:28,483 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loop-invariants/linear-inequality-inv-b.c-witness.graphml [2021-01-06 17:08:28,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 17:08:28,485 INFO L168 Benchmark]: Toolchain (without parser) took 2349.28 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 123.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,486 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 17:08:28,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.79 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 115.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 151.0 MB. Free memory was 115.2 MB in the beginning and 113.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,488 INFO L168 Benchmark]: Boogie Preprocessor took 47.83 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 112.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,488 INFO L168 Benchmark]: RCFGBuilder took 405.94 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 127.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,489 INFO L168 Benchmark]: TraceAbstraction took 1441.28 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 124.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 1.6 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,489 INFO L168 Benchmark]: Witness Printer took 50.04 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 123.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 17:08:28,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 347.79 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 115.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 151.0 MB. Free memory was 115.2 MB in the beginning and 113.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.83 ms. Allocated memory is still 151.0 MB. Free memory was 113.9 MB in the beginning and 112.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 405.94 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 127.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1441.28 ms. Allocated memory is still 151.0 MB. Free memory was 127.1 MB in the beginning and 124.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 1.6 MB. Max. memory is 8.0 GB. * Witness Printer took 50.04 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 123.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5] unsigned char n = __VERIFIER_nondet_uchar(); [L6] COND FALSE !(n == 0) [L9] unsigned char v = 0; [L10] unsigned char s = 0; [L11] unsigned int i = 0; [L12] COND TRUE i < n [L13] v = __VERIFIER_nondet_uchar() [L14] s += v [L15] ++i [L12] COND TRUE i < n [L13] v = __VERIFIER_nondet_uchar() [L14] s += v [L15] ++i [L12] COND FALSE !(i < n) [L17] COND TRUE s < v [L18] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 0 SDslu, 12 SDs, 0 SdLazy, 14 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 2 NumberOfNonLiveVariables, 50 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...