/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 20:18:43,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 20:18:43,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 20:18:43,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 20:18:43,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 20:18:43,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 20:18:43,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 20:18:43,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 20:18:43,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 20:18:43,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 20:18:43,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 20:18:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 20:18:43,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 20:18:43,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 20:18:43,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 20:18:43,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 20:18:43,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 20:18:43,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 20:18:43,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 20:18:43,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 20:18:43,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 20:18:43,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 20:18:43,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 20:18:43,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 20:18:43,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 20:18:43,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 20:18:43,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 20:18:43,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 20:18:43,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 20:18:43,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 20:18:43,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 20:18:43,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 20:18:43,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 20:18:43,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 20:18:43,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 20:18:43,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 20:18:43,824 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 [2019-11-23 20:18:43,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 20:18:43,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 20:18:43,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 20:18:43,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 20:18:43,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 20:18:43,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 20:18:43,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 20:18:43,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 20:18:43,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 20:18:43,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 20:18:43,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 20:18:43,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 20:18:43,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 20:18:43,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 20:18:43,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 20:18:43,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 20:18:43,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 20:18:43,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 20:18:43,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 20:18:43,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 20:18:43,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 20:18:43,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 20:18:43,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 20:18:43,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 20:18:43,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 20:18:44,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 20:18:44,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 20:18:44,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 20:18:44,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 20:18:44,167 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 20:18:44,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-11-23 20:18:44,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7087d1f6/32c4e0e2cab847349e0e098c5ac90994/FLAGa05a084c3 [2019-11-23 20:18:44,737 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 20:18:44,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_24-1.i [2019-11-23 20:18:44,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7087d1f6/32c4e0e2cab847349e0e098c5ac90994/FLAGa05a084c3 [2019-11-23 20:18:45,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7087d1f6/32c4e0e2cab847349e0e098c5ac90994 [2019-11-23 20:18:45,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 20:18:45,086 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 20:18:45,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 20:18:45,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 20:18:45,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 20:18:45,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a614c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45, skipping insertion in model container [2019-11-23 20:18:45,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 20:18:45,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 20:18:45,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:18:45,332 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 20:18:45,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 20:18:45,371 INFO L208 MainTranslator]: Completed translation [2019-11-23 20:18:45,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45 WrapperNode [2019-11-23 20:18:45,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 20:18:45,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 20:18:45,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 20:18:45,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 20:18:45,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 20:18:45,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 20:18:45,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 20:18:45,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 20:18:45,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (1/1) ... [2019-11-23 20:18:45,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 20:18:45,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 20:18:45,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 20:18:45,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 20:18:45,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (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 [2019-11-23 20:18:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 20:18:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 20:18:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 20:18:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 20:18:45,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 20:18:45,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-23 20:18:45,875 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 20:18:45,875 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-11-23 20:18:45,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:45 BoogieIcfgContainer [2019-11-23 20:18:45,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 20:18:45,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 20:18:45,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 20:18:45,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 20:18:45,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:18:45" (1/3) ... [2019-11-23 20:18:45,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cab5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:18:45, skipping insertion in model container [2019-11-23 20:18:45,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:45" (2/3) ... [2019-11-23 20:18:45,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cab5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:18:45, skipping insertion in model container [2019-11-23 20:18:45,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:45" (3/3) ... [2019-11-23 20:18:45,892 INFO L109 eAbstractionObserver]: Analyzing ICFG sanfoundry_24-1.i [2019-11-23 20:18:45,903 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 20:18:45,911 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-23 20:18:45,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-23 20:18:45,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 20:18:45,952 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 20:18:45,952 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 20:18:45,952 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 20:18:45,952 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 20:18:45,952 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 20:18:45,952 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 20:18:45,952 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 20:18:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-23 20:18:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-23 20:18:45,972 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:18:45,973 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:18:45,973 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:18:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:18:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash 212104336, now seen corresponding path program 1 times [2019-11-23 20:18:45,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:18:45,987 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460760088] [2019-11-23 20:18:45,987 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:18:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:18:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 20:18:46,237 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460760088] [2019-11-23 20:18:46,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:18:46,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 20:18:46,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662584481] [2019-11-23 20:18:46,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 20:18:46,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:18:46,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 20:18:46,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:18:46,265 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2019-11-23 20:18:46,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:18:46,415 INFO L93 Difference]: Finished difference Result 68 states and 97 transitions. [2019-11-23 20:18:46,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-23 20:18:46,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2019-11-23 20:18:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:18:46,428 INFO L225 Difference]: With dead ends: 68 [2019-11-23 20:18:46,429 INFO L226 Difference]: Without dead ends: 36 [2019-11-23 20:18:46,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:18:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-11-23 20:18:46,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 22. [2019-11-23 20:18:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-23 20:18:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-23 20:18:46,468 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 8 [2019-11-23 20:18:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:18:46,469 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-23 20:18:46,469 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 20:18:46,470 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-23 20:18:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 20:18:46,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:18:46,471 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:18:46,471 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:18:46,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:18:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1436002194, now seen corresponding path program 1 times [2019-11-23 20:18:46,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:18:46,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94112544] [2019-11-23 20:18:46,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:18:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:18:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-23 20:18:46,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94112544] [2019-11-23 20:18:46,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:18:46,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:18:46,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411011029] [2019-11-23 20:18:46,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:18:46,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:18:46,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:18:46,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:18:46,655 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-23 20:18:46,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:18:46,745 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2019-11-23 20:18:46,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 20:18:46,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-23 20:18:46,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:18:46,747 INFO L225 Difference]: With dead ends: 29 [2019-11-23 20:18:46,747 INFO L226 Difference]: Without dead ends: 27 [2019-11-23 20:18:46,748 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:18:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-23 20:18:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2019-11-23 20:18:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-23 20:18:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-11-23 20:18:46,753 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 10 [2019-11-23 20:18:46,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:18:46,753 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-23 20:18:46,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:18:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-23 20:18:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-23 20:18:46,754 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 20:18:46,754 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 20:18:46,755 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 20:18:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 20:18:46,755 INFO L82 PathProgramCache]: Analyzing trace with hash 906460810, now seen corresponding path program 1 times [2019-11-23 20:18:46,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 20:18:46,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509147603] [2019-11-23 20:18:46,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 20:18:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 20:18:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-23 20:18:46,884 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509147603] [2019-11-23 20:18:46,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 20:18:46,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 20:18:46,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280356039] [2019-11-23 20:18:46,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-23 20:18:46,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 20:18:46,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-23 20:18:46,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-23 20:18:46,887 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 4 states. [2019-11-23 20:18:46,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 20:18:46,972 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2019-11-23 20:18:46,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 20:18:46,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-23 20:18:46,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 20:18:46,973 INFO L225 Difference]: With dead ends: 27 [2019-11-23 20:18:46,973 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 20:18:46,974 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-23 20:18:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 20:18:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 20:18:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 20:18:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 20:18:46,975 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-23 20:18:46,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 20:18:46,976 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 20:18:46,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-23 20:18:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 20:18:46,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 20:18:46,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 20:18:47,005 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,006 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 26) no Hoare annotation was computed. [2019-11-23 20:18:47,006 INFO L444 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,006 INFO L444 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point L3-3(lines 1 36) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point L3-4(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point L3-5(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 20:18:47,007 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 20:18:47,008 INFO L444 ceAbstractionStarter]: For program point L3-7(lines 1 36) no Hoare annotation was computed. [2019-11-23 20:18:47,008 INFO L444 ceAbstractionStarter]: For program point L28-2(lines 28 34) no Hoare annotation was computed. [2019-11-23 20:18:47,008 INFO L447 ceAbstractionStarter]: At program point L28-3(lines 28 34) the Hoare annotation is: true [2019-11-23 20:18:47,008 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2019-11-23 20:18:47,009 INFO L444 ceAbstractionStarter]: For program point L28-4(lines 28 34) no Hoare annotation was computed. [2019-11-23 20:18:47,009 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 16 19) no Hoare annotation was computed. [2019-11-23 20:18:47,009 INFO L447 ceAbstractionStarter]: At program point L16-3(lines 16 19) the Hoare annotation is: true [2019-11-23 20:18:47,009 INFO L444 ceAbstractionStarter]: For program point L16-4(lines 16 19) no Hoare annotation was computed. [2019-11-23 20:18:47,009 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 20:18:47,010 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 21 27) no Hoare annotation was computed. [2019-11-23 20:18:47,010 INFO L447 ceAbstractionStarter]: At program point L21-3(lines 21 27) the Hoare annotation is: true [2019-11-23 20:18:47,011 INFO L444 ceAbstractionStarter]: For program point L21-4(lines 21 27) no Hoare annotation was computed. [2019-11-23 20:18:47,011 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2019-11-23 20:18:47,011 INFO L447 ceAbstractionStarter]: At program point L35(lines 10 36) the Hoare annotation is: true [2019-11-23 20:18:47,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:18:47 BoogieIcfgContainer [2019-11-23 20:18:47,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 20:18:47,026 INFO L168 Benchmark]: Toolchain (without parser) took 1937.59 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 99.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,027 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.08 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.71 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 181.4 MB in the end (delta: -89.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,032 INFO L168 Benchmark]: Boogie Preprocessor took 24.20 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 179.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,034 INFO L168 Benchmark]: RCFGBuilder took 349.56 ms. Allocated memory is still 202.9 MB. Free memory was 179.1 MB in the beginning and 163.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,039 INFO L168 Benchmark]: TraceAbstraction took 1143.02 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 99.0 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. [2019-11-23 20:18:47,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.08 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.71 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 92.0 MB in the beginning and 181.4 MB in the end (delta: -89.4 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.20 ms. Allocated memory is still 202.9 MB. Free memory was 181.4 MB in the beginning and 179.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.56 ms. Allocated memory is still 202.9 MB. Free memory was 179.1 MB in the beginning and 163.8 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1143.02 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 99.0 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 2 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 55 SDslu, 71 SDs, 0 SdLazy, 95 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 14 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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...