/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 06:02:16,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 06:02:16,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 06:02:16,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 06:02:16,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 06:02:16,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 06:02:16,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 06:02:16,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 06:02:16,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 06:02:16,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 06:02:16,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 06:02:16,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 06:02:16,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 06:02:16,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 06:02:16,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 06:02:16,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 06:02:16,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 06:02:16,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 06:02:16,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 06:02:16,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 06:02:16,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 06:02:16,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 06:02:16,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 06:02:16,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 06:02:16,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 06:02:16,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 06:02:16,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 06:02:16,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 06:02:16,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 06:02:16,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 06:02:16,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 06:02:16,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 06:02:16,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 06:02:16,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 06:02:16,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 06:02:16,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 06:02:16,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 06:02:16,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 06:02:16,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 06:02:16,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 06:02:16,323 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 06:02:16,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 06:02:16,323 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 06:02:16,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 06:02:16,324 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 06:02:16,324 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 06:02:16,324 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 06:02:16,324 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 06:02:16,324 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 06:02:16,324 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 06:02:16,325 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 06:02:16,325 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 06:02:16,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 06:02:16,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 06:02:16,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 06:02:16,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 06:02:16,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 06:02:16,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 06:02:16,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 06:02:16,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 06:02:16,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 06:02:16,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 06:02:16,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 06:02:16,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 06:02:16,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 06:02:16,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 06:02:16,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 06:02:16,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 06:02:16,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 06:02:16,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 06:02:16,329 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 06:02:16,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 06:02:16,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 06:02:16,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 06:02:16,330 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 06:02:16,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 06:02:16,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 06:02:16,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 06:02:16,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 06:02:16,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 06:02:16,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2019-11-24 06:02:16,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3b83099/03e434d87cf345cf9b37cadf11ef1fe2/FLAG930368289 [2019-11-24 06:02:17,174 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 06:02:17,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ssh-simplified/s3_srvr_10.cil.c [2019-11-24 06:02:17,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3b83099/03e434d87cf345cf9b37cadf11ef1fe2/FLAG930368289 [2019-11-24 06:02:17,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d3b83099/03e434d87cf345cf9b37cadf11ef1fe2 [2019-11-24 06:02:17,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 06:02:17,501 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 06:02:17,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 06:02:17,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 06:02:17,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 06:02:17,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:17,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e22e22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17, skipping insertion in model container [2019-11-24 06:02:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:17,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 06:02:17,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 06:02:17,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 06:02:17,820 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 06:02:17,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 06:02:17,985 INFO L208 MainTranslator]: Completed translation [2019-11-24 06:02:17,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17 WrapperNode [2019-11-24 06:02:17,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 06:02:17,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 06:02:17,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 06:02:17,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 06:02:17,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 06:02:18,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 06:02:18,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 06:02:18,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 06:02:18,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (1/1) ... [2019-11-24 06:02:18,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 06:02:18,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 06:02:18,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 06:02:18,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 06:02:18,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (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 [2019-11-24 06:02:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 06:02:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 06:02:18,266 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-24 06:02:18,941 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-11-24 06:02:18,941 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-11-24 06:02:19,191 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 06:02:19,191 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 06:02:19,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:19 BoogieIcfgContainer [2019-11-24 06:02:19,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 06:02:19,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 06:02:19,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 06:02:19,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 06:02:19,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 06:02:17" (1/3) ... [2019-11-24 06:02:19,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403415de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 06:02:19, skipping insertion in model container [2019-11-24 06:02:19,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:17" (2/3) ... [2019-11-24 06:02:19,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403415de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 06:02:19, skipping insertion in model container [2019-11-24 06:02:19,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:19" (3/3) ... [2019-11-24 06:02:19,202 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_10.cil.c [2019-11-24 06:02:19,213 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 06:02:19,221 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 06:02:19,232 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 06:02:19,285 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 06:02:19,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 06:02:19,286 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 06:02:19,286 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 06:02:19,286 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 06:02:19,286 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 06:02:19,286 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 06:02:19,287 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 06:02:19,305 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-11-24 06:02:19,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-24 06:02:19,312 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:19,313 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:19,313 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:19,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:19,319 INFO L82 PathProgramCache]: Analyzing trace with hash 584167337, now seen corresponding path program 1 times [2019-11-24 06:02:19,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:19,329 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68215870] [2019-11-24 06:02:19,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:19,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68215870] [2019-11-24 06:02:19,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:19,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:19,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398979377] [2019-11-24 06:02:19,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:19,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:19,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:19,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:19,535 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 3 states. [2019-11-24 06:02:19,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:19,763 INFO L93 Difference]: Finished difference Result 240 states and 415 transitions. [2019-11-24 06:02:19,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:19,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-24 06:02:19,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:19,779 INFO L225 Difference]: With dead ends: 240 [2019-11-24 06:02:19,779 INFO L226 Difference]: Without dead ends: 125 [2019-11-24 06:02:19,783 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-24 06:02:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-24 06:02:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-24 06:02:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2019-11-24 06:02:19,834 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 17 [2019-11-24 06:02:19,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:19,835 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2019-11-24 06:02:19,835 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2019-11-24 06:02:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-24 06:02:19,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:19,836 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:19,837 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:19,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash 512106513, now seen corresponding path program 1 times [2019-11-24 06:02:19,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:19,838 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418917243] [2019-11-24 06:02:19,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:19,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418917243] [2019-11-24 06:02:19,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:19,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:19,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255981953] [2019-11-24 06:02:19,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:19,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:19,913 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand 3 states. [2019-11-24 06:02:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:20,091 INFO L93 Difference]: Finished difference Result 265 states and 401 transitions. [2019-11-24 06:02:20,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:20,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-24 06:02:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:20,096 INFO L225 Difference]: With dead ends: 265 [2019-11-24 06:02:20,096 INFO L226 Difference]: Without dead ends: 142 [2019-11-24 06:02:20,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-24 06:02:20,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2019-11-24 06:02:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-24 06:02:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 212 transitions. [2019-11-24 06:02:20,112 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 212 transitions. Word has length 18 [2019-11-24 06:02:20,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:20,113 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 212 transitions. [2019-11-24 06:02:20,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:20,113 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 212 transitions. [2019-11-24 06:02:20,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-24 06:02:20,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:20,114 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:20,114 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:20,115 INFO L82 PathProgramCache]: Analyzing trace with hash -718739833, now seen corresponding path program 1 times [2019-11-24 06:02:20,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:20,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361231687] [2019-11-24 06:02:20,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:20,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361231687] [2019-11-24 06:02:20,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:20,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:20,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354004231] [2019-11-24 06:02:20,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:20,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:20,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:20,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,160 INFO L87 Difference]: Start difference. First operand 140 states and 212 transitions. Second operand 3 states. [2019-11-24 06:02:20,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:20,316 INFO L93 Difference]: Finished difference Result 285 states and 436 transitions. [2019-11-24 06:02:20,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:20,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-24 06:02:20,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:20,319 INFO L225 Difference]: With dead ends: 285 [2019-11-24 06:02:20,319 INFO L226 Difference]: Without dead ends: 147 [2019-11-24 06:02:20,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-24 06:02:20,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-11-24 06:02:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-24 06:02:20,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 225 transitions. [2019-11-24 06:02:20,351 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 225 transitions. Word has length 18 [2019-11-24 06:02:20,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:20,351 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 225 transitions. [2019-11-24 06:02:20,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:20,352 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 225 transitions. [2019-11-24 06:02:20,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-24 06:02:20,354 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:20,354 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:20,354 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:20,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:20,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1742576237, now seen corresponding path program 1 times [2019-11-24 06:02:20,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:20,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723461798] [2019-11-24 06:02:20,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:20,436 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723461798] [2019-11-24 06:02:20,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:20,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:20,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093241565] [2019-11-24 06:02:20,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:20,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:20,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:20,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,438 INFO L87 Difference]: Start difference. First operand 147 states and 225 transitions. Second operand 3 states. [2019-11-24 06:02:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:20,585 INFO L93 Difference]: Finished difference Result 300 states and 457 transitions. [2019-11-24 06:02:20,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:20,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-24 06:02:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:20,587 INFO L225 Difference]: With dead ends: 300 [2019-11-24 06:02:20,588 INFO L226 Difference]: Without dead ends: 155 [2019-11-24 06:02:20,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-24 06:02:20,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-11-24 06:02:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-24 06:02:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2019-11-24 06:02:20,636 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 19 [2019-11-24 06:02:20,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:20,636 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2019-11-24 06:02:20,636 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2019-11-24 06:02:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-24 06:02:20,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:20,637 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:20,638 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:20,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:20,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2096473077, now seen corresponding path program 1 times [2019-11-24 06:02:20,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:20,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477071479] [2019-11-24 06:02:20,643 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:20,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477071479] [2019-11-24 06:02:20,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:20,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:20,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115729827] [2019-11-24 06:02:20,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:20,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:20,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:20,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,711 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand 3 states. [2019-11-24 06:02:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:20,859 INFO L93 Difference]: Finished difference Result 294 states and 446 transitions. [2019-11-24 06:02:20,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:20,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-24 06:02:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:20,861 INFO L225 Difference]: With dead ends: 294 [2019-11-24 06:02:20,861 INFO L226 Difference]: Without dead ends: 149 [2019-11-24 06:02:20,861 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-11-24 06:02:20,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-11-24 06:02:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-24 06:02:20,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 222 transitions. [2019-11-24 06:02:20,871 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 222 transitions. Word has length 19 [2019-11-24 06:02:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:20,872 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 222 transitions. [2019-11-24 06:02:20,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:20,872 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2019-11-24 06:02:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-24 06:02:20,873 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:20,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:20,873 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:20,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:20,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1930237043, now seen corresponding path program 1 times [2019-11-24 06:02:20,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:20,874 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109620496] [2019-11-24 06:02:20,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:20,902 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109620496] [2019-11-24 06:02:20,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:20,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:20,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608526604] [2019-11-24 06:02:20,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:20,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:20,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:20,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:20,904 INFO L87 Difference]: Start difference. First operand 147 states and 222 transitions. Second operand 3 states. [2019-11-24 06:02:21,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:21,030 INFO L93 Difference]: Finished difference Result 300 states and 451 transitions. [2019-11-24 06:02:21,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:21,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-24 06:02:21,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:21,031 INFO L225 Difference]: With dead ends: 300 [2019-11-24 06:02:21,032 INFO L226 Difference]: Without dead ends: 155 [2019-11-24 06:02:21,032 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:21,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-24 06:02:21,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-11-24 06:02:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-24 06:02:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 220 transitions. [2019-11-24 06:02:21,040 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 220 transitions. Word has length 20 [2019-11-24 06:02:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:21,040 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 220 transitions. [2019-11-24 06:02:21,041 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2019-11-24 06:02:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 06:02:21,042 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:21,042 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:21,042 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:21,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1894388110, now seen corresponding path program 1 times [2019-11-24 06:02:21,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:21,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094126437] [2019-11-24 06:02:21,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 06:02:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 06:02:21,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094126437] [2019-11-24 06:02:21,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 06:02:21,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 06:02:21,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907923062] [2019-11-24 06:02:21,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 06:02:21,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 06:02:21,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 06:02:21,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:21,078 INFO L87 Difference]: Start difference. First operand 147 states and 220 transitions. Second operand 3 states. [2019-11-24 06:02:21,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 06:02:21,201 INFO L93 Difference]: Finished difference Result 300 states and 447 transitions. [2019-11-24 06:02:21,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 06:02:21,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-24 06:02:21,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 06:02:21,203 INFO L225 Difference]: With dead ends: 300 [2019-11-24 06:02:21,203 INFO L226 Difference]: Without dead ends: 155 [2019-11-24 06:02:21,203 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 06:02:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2019-11-24 06:02:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2019-11-24 06:02:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-11-24 06:02:21,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2019-11-24 06:02:21,211 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 21 [2019-11-24 06:02:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 06:02:21,211 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2019-11-24 06:02:21,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 06:02:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2019-11-24 06:02:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-24 06:02:21,212 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 06:02:21,213 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 06:02:21,213 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 06:02:21,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 06:02:21,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2065331044, now seen corresponding path program 1 times [2019-11-24 06:02:21,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 06:02:21,214 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028849076] [2019-11-24 06:02:21,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 06:02:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 06:02:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-24 06:02:21,278 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-24 06:02:21,278 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-24 06:02:21,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 06:02:21 BoogieIcfgContainer [2019-11-24 06:02:21,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 06:02:21,330 INFO L168 Benchmark]: Toolchain (without parser) took 3828.17 ms. Allocated memory was 136.8 MB in the beginning and 252.7 MB in the end (delta: 115.9 MB). Free memory was 101.1 MB in the beginning and 122.9 MB in the end (delta: -21.8 MB). Peak memory consumption was 94.1 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,331 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.93 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 176.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,333 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.84 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 172.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,334 INFO L168 Benchmark]: Boogie Preprocessor took 41.21 ms. Allocated memory is still 200.8 MB. Free memory was 172.9 MB in the beginning and 170.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,334 INFO L168 Benchmark]: RCFGBuilder took 1098.22 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 88.4 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,335 INFO L168 Benchmark]: TraceAbstraction took 2133.48 ms. Allocated memory was 200.8 MB in the beginning and 252.7 MB in the end (delta: 51.9 MB). Free memory was 88.4 MB in the beginning and 122.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2019-11-24 06:02:21,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 483.93 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 176.4 MB in the end (delta: -75.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.84 ms. Allocated memory is still 200.8 MB. Free memory was 176.4 MB in the beginning and 172.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.21 ms. Allocated memory is still 200.8 MB. Free memory was 172.9 MB in the beginning and 170.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1098.22 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 88.4 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2133.48 ms. Allocated memory was 200.8 MB in the beginning and 252.7 MB in the end (delta: 51.9 MB). Free memory was 88.4 MB in the beginning and 122.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 628]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L634] int s ; [L635] int tmp ; [L639] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int() ; [L12] int s__in_handshake = __VERIFIER_nondet_int() ; [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int() ; [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int() ; [L20] int s__rwstate ; [L21] int s__init_buf___0 = 1; [L22] int s__debug = __VERIFIER_nondet_int() ; [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int() ; [L25] int s__options = __VERIFIER_nondet_int() ; [L26] int s__verify_mode = __VERIFIER_nondet_int() ; [L27] int s__session__peer = __VERIFIER_nondet_int() ; [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message ; [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L37] int s__s3__tmp__new_cipher__algorithms ; [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L40] int s__session__cipher ; [L41] int buf = __VERIFIER_nondet_int() ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp = __VERIFIER_nondet_long() ; [L45] int cb ; [L46] long num1 ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int() ; [L53] int tmp___2 = __VERIFIER_nondet_int() ; [L54] int tmp___3 ; [L55] int tmp___4 ; [L56] int tmp___5 ; [L57] int tmp___6 ; [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long() ; [L60] int tmp___9 ; [L61] int tmp___10 ; [L62] int blastFlag ; [L63] int __cil_tmp55 ; [L64] unsigned long __cil_tmp56 ; [L65] unsigned long __cil_tmp57 ; [L66] unsigned long __cil_tmp58 ; [L67] unsigned long __cil_tmp59 ; [L68] int __cil_tmp60 ; [L69] unsigned long __cil_tmp61 ; [L72] s__s3__tmp__new_cipher__algorithms = 0 [L73] __cil_tmp56 = 0 [L74] __cil_tmp57 = 0 [L75] __cil_tmp58 = 0 [L76] __cil_tmp59 = 0 [L77] __cil_tmp60 = 0 [L78] __cil_tmp61 = 0 [L79] s__s3__tmp__reuse_message = 0 [L80] s__state = initial_state [L81] blastFlag = 0 [L82] Time = tmp [L83] cb = 0 [L84] ret = -1 [L85] skip = 0 [L86] got_new_session = 0 [L87] COND TRUE s__info_callback != 0 [L88] cb = s__info_callback [L94] s__in_handshake ++ [L95] COND TRUE tmp___1 + 12288 [L96] COND TRUE tmp___2 + 16384 [L100] COND FALSE !(s__cert == 0) [L104] COND TRUE 1 [L106] state = s__state [L107] COND FALSE !(s__state == 12292) [L110] COND FALSE !(s__state == 16384) [L113] COND FALSE !(s__state == 8192) [L116] COND FALSE !(s__state == 24576) [L119] COND FALSE !(s__state == 8195) [L122] COND FALSE !(s__state == 8480) [L125] COND FALSE !(s__state == 8481) [L128] COND FALSE !(s__state == 8482) [L131] COND TRUE s__state == 8464 [L275] s__shutdown = 0 [L276] ret = __VERIFIER_nondet_int() [L277] COND TRUE blastFlag == 0 [L278] blastFlag = 1 [L280] COND FALSE !(ret <= 0) [L283] got_new_session = 1 [L284] s__state = 8496 [L285] s__init_num = 0 [L591] COND TRUE ! s__s3__tmp__reuse_message [L592] COND TRUE ! skip [L593] COND TRUE state == 8464 [L594] COND TRUE s__state == 8496 [L595] COND TRUE cb != 0 [L596] COND TRUE s__info_callback != 0 [L628] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 689 SDtfs, 964 SDslu, 106 SDs, 0 SdLazy, 556 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 4652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...