/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:00:25,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:00:26,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:00:26,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:00:26,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:00:26,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:00:26,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:00:26,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:00:26,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:00:26,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:00:26,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:00:26,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:00:26,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:00:26,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:00:26,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:00:26,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:00:26,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:00:26,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:00:26,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:00:26,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:00:26,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:00:26,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:00:26,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:00:26,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:00:26,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 04:00:26,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:00:26,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:00:26,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:00:26,085 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 [2019-11-07 04:00:26,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:00:26,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:00:26,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:00:26,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:00:26,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:00:26,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:00:26,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:00:26,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:00:26,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:00:26,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:00:26,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:00:26,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:00:26,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:00:26,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:00:26,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:00:26,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:00:26,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:00:26,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:00:26,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:00:26,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:00:26,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:00:26,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:00:26,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:00:26,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:00:26,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:00:26,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:00:26,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:00:26,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:00:26,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:00:26,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:00:26,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:00:26,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:00:26,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:00:26,401 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:00:26,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-11-07 04:00:26,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230100ea4/655e54acd65e4bbeb08415f309fd78f3/FLAGe10b1675c [2019-11-07 04:00:26,896 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:00:26,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-11-07 04:00:26,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230100ea4/655e54acd65e4bbeb08415f309fd78f3/FLAGe10b1675c [2019-11-07 04:00:27,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/230100ea4/655e54acd65e4bbeb08415f309fd78f3 [2019-11-07 04:00:27,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:00:27,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:00:27,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:00:27,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:00:27,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:00:27,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510f79ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27, skipping insertion in model container [2019-11-07 04:00:27,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:00:27,419 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:00:27,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:00:27,769 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:00:27,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:00:27,803 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:00:27,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27 WrapperNode [2019-11-07 04:00:27,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:00:27,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:00:27,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:00:27,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:00:27,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (1/1) ... [2019-11-07 04:00:27,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:00:27,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:00:27,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:00:27,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:00:27,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (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 [2019-11-07 04:00:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:00:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:00:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 04:00:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:00:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:00:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:00:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:00:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:00:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:00:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:00:28,240 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:00:28,240 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 04:00:28,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:28 BoogieIcfgContainer [2019-11-07 04:00:28,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:00:28,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:00:28,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:00:28,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:00:28,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:00:27" (1/3) ... [2019-11-07 04:00:28,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c8907a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:28, skipping insertion in model container [2019-11-07 04:00:28,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:27" (2/3) ... [2019-11-07 04:00:28,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c8907a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:28, skipping insertion in model container [2019-11-07 04:00:28,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:28" (3/3) ... [2019-11-07 04:00:28,250 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c [2019-11-07 04:00:28,261 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:00:28,271 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:00:28,282 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:00:28,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:00:28,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:00:28,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:00:28,314 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:00:28,314 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:00:28,314 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:00:28,314 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:00:28,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:00:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-07 04:00:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-07 04:00:28,336 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:00:28,337 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:00:28,338 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:00:28,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:00:28,344 INFO L82 PathProgramCache]: Analyzing trace with hash 271538127, now seen corresponding path program 1 times [2019-11-07 04:00:28,353 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:00:28,354 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536306705] [2019-11-07 04:00:28,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:00:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:00:28,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:00:28,452 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536306705] [2019-11-07 04:00:28,453 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:00:28,454 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:00:28,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739721922] [2019-11-07 04:00:28,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:00:28,460 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:00:28,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:00:28,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:00:28,478 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-07 04:00:28,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:00:28,499 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-11-07 04:00:28,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:00:28,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-07 04:00:28,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:00:28,509 INFO L225 Difference]: With dead ends: 31 [2019-11-07 04:00:28,509 INFO L226 Difference]: Without dead ends: 13 [2019-11-07 04:00:28,512 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:00:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-07 04:00:28,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-07 04:00:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-07 04:00:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-11-07 04:00:28,550 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-11-07 04:00:28,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:00:28,551 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-07 04:00:28,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:00:28,551 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-11-07 04:00:28,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-07 04:00:28,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:00:28,552 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:00:28,553 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:00:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:00:28,553 INFO L82 PathProgramCache]: Analyzing trace with hash 183026044, now seen corresponding path program 1 times [2019-11-07 04:00:28,554 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:00:28,554 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300079107] [2019-11-07 04:00:28,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:00:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:00:28,811 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2019-11-07 04:00:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:00:28,814 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300079107] [2019-11-07 04:00:28,814 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:00:28,815 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:00:28,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106268162] [2019-11-07 04:00:28,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:00:28,817 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:00:28,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:00:28,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:00:28,818 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 3 states. [2019-11-07 04:00:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:00:28,831 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-11-07 04:00:28,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:00:28,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-07 04:00:28,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:00:28,833 INFO L225 Difference]: With dead ends: 21 [2019-11-07 04:00:28,833 INFO L226 Difference]: Without dead ends: 15 [2019-11-07 04:00:28,834 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:00:28,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-11-07 04:00:28,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-11-07 04:00:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-07 04:00:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-11-07 04:00:28,839 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2019-11-07 04:00:28,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:00:28,839 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-11-07 04:00:28,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:00:28,840 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-11-07 04:00:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 04:00:28,840 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:00:28,840 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:00:28,841 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:00:28,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:00:28,841 INFO L82 PathProgramCache]: Analyzing trace with hash -99000317, now seen corresponding path program 1 times [2019-11-07 04:00:28,842 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:00:28,842 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715087161] [2019-11-07 04:00:28,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:00:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:00:29,549 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2019-11-07 04:00:29,771 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 23 [2019-11-07 04:00:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:00:29,809 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715087161] [2019-11-07 04:00:29,810 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:00:29,810 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:00:29,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106542246] [2019-11-07 04:00:29,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:00:29,811 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:00:29,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:00:29,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:00:29,812 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 6 states. [2019-11-07 04:00:29,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:00:29,876 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-11-07 04:00:29,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:00:29,876 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-07 04:00:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:00:29,877 INFO L225 Difference]: With dead ends: 15 [2019-11-07 04:00:29,878 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:00:29,878 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:00:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:00:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:00:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:00:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:00:29,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-07 04:00:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:00:29,880 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:00:29,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:00:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:00:29,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:00:29,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:00:29,944 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-11-07 04:00:29,944 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:00:29,944 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:00:29,944 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 04:00:29,944 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:00:29,945 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:00:29,945 INFO L439 ceAbstractionStarter]: At program point L31(line 31) the Hoare annotation is: (<= (* 6148914690520689323 main_~x~0) (let ((.cse2 (div main_~x~0 4294967296))) (let ((.cse1 (* .cse2 (- 4294967296)))) (let ((.cse0 (div (+ main_~x~0 .cse1) 3))) (+ (* 18446744069414584320 .cse0) (* 26409387498605864506611466240 (div (+ main_~x~0 (* .cse0 (- 3)) .cse1) 4294967296)) (* 26409387501680321853661380608 .cse2) 6148914689089033558))))) [2019-11-07 04:00:29,945 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 33) no Hoare annotation was computed. [2019-11-07 04:00:29,945 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 16 29) the Hoare annotation is: (or (<= (* 6148914690520689323 main_~x~0) (let ((.cse2 (div main_~x~0 4294967296))) (let ((.cse1 (* .cse2 (- 4294967296)))) (let ((.cse0 (div (+ main_~x~0 .cse1) 3))) (+ (* 18446744069414584320 .cse0) (* 26409387498605864506611466240 (div (+ main_~x~0 (* .cse0 (- 3)) .cse1) 4294967296)) (* 26409387501680321853661380608 .cse2) 6148914689089033558))))) (and (<= (div main_~y~0 4294967296) 0) (<= 1 main_~y~0))) [2019-11-07 04:00:29,946 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-11-07 04:00:29,946 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 12 33) the Hoare annotation is: true [2019-11-07 04:00:29,946 INFO L443 ceAbstractionStarter]: For program point L16-1(lines 16 29) no Hoare annotation was computed. [2019-11-07 04:00:29,946 INFO L443 ceAbstractionStarter]: For program point L16-3(lines 12 33) no Hoare annotation was computed. [2019-11-07 04:00:29,946 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 10) the Hoare annotation is: true [2019-11-07 04:00:29,946 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 10) no Hoare annotation was computed. [2019-11-07 04:00:29,946 INFO L443 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-07 04:00:29,947 INFO L443 ceAbstractionStarter]: For program point L7(lines 7 8) no Hoare annotation was computed. [2019-11-07 04:00:29,947 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2019-11-07 04:00:29,948 INFO L443 ceAbstractionStarter]: For program point L7-2(lines 6 10) no Hoare annotation was computed. [2019-11-07 04:00:29,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:00:29 BoogieIcfgContainer [2019-11-07 04:00:29,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:00:29,979 INFO L168 Benchmark]: Toolchain (without parser) took 2641.11 ms. Allocated memory was 138.9 MB in the beginning and 235.4 MB in the end (delta: 96.5 MB). Free memory was 103.5 MB in the beginning and 191.6 MB in the end (delta: -88.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:29,981 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:00:29,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.48 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:29,985 INFO L168 Benchmark]: Boogie Preprocessor took 117.08 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 179.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:29,986 INFO L168 Benchmark]: RCFGBuilder took 319.34 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 163.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:29,988 INFO L168 Benchmark]: TraceAbstraction took 1731.97 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.9 MB in the beginning and 191.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:00:30,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 458.48 ms. Allocated memory is still 138.9 MB. Free memory was 103.3 MB in the beginning and 93.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.08 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 93.7 MB in the beginning and 179.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 319.34 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 163.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1731.97 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 162.9 MB in the beginning and 191.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 6148914690520689323 * x <= 18446744069414584320 * ((x + x / 4294967296 * -4294967296) / 3) + 26409387498605864506611466240 * ((x + (x + x / 4294967296 * -4294967296) / 3 * -3 + x / 4294967296 * -4294967296) / 4294967296) + 26409387501680321853661380608 * (x / 4294967296) + 6148914689089033558 || (y / 4294967296 <= 0 && 1 <= y) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 41 SDtfs, 2 SDslu, 37 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 103 HoareAnnotationTreeSize, 9 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 3358 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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...