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-lit/ddlm2013.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:42:10,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:42:10,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:42:10,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:42:10,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:42:10,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:42:10,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:42:10,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:42:10,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:42:10,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:42:10,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:42:10,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:42:10,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:42:10,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:42:10,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:42:10,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:42:10,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:42:10,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:42:10,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:42:10,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:42:10,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:42:10,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:42:10,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:42:10,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:42:10,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-07 13:42:10,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:42:10,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:42:10,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:42:10,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:42:10,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:42:10,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:42:10,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:42:10,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:42:10,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:42:10,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:42:10,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:42:10,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 13:42:10,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:42:10,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:42:10,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:42:10,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:42:10,443 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:42:10,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:42:10,443 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:42:10,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:42:10,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:42:10,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:42:10,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:42:10,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:42:10,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:42:10,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:42:10,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:42:10,445 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:42:10,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:42:10,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:42:10,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:42:10,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:42:10,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:42:10,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:42:10,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:42:10,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:42:10,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:42:10,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:42:10,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:42:10,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:42:10,449 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 [2019-10-07 13:42:10,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:42:10,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:42:10,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:42:10,740 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:42:10,741 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:42:10,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/ddlm2013.i [2019-10-07 13:42:10,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add81e5ee/213818a99aee4dff9dba603431625b59/FLAG5fe08f558 [2019-10-07 13:42:11,228 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:42:11,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/ddlm2013.i [2019-10-07 13:42:11,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add81e5ee/213818a99aee4dff9dba603431625b59/FLAG5fe08f558 [2019-10-07 13:42:11,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/add81e5ee/213818a99aee4dff9dba603431625b59 [2019-10-07 13:42:11,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:42:11,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:42:11,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:42:11,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:42:11,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:42:11,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11, skipping insertion in model container [2019-10-07 13:42:11,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:42:11,632 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:42:11,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:42:11,823 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:42:11,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:42:11,858 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:42:11,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11 WrapperNode [2019-10-07 13:42:11,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:42:11,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:42:11,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:42:11,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:42:11,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... [2019-10-07 13:42:11,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:42:11,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:42:11,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:42:11,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:42:11,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:42:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:42:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:42:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 13:42:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:42:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:42:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:42:12,293 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:42:12,293 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 13:42:12,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:42:12 BoogieIcfgContainer [2019-10-07 13:42:12,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:42:12,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:42:12,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:42:12,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:42:12,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:42:11" (1/3) ... [2019-10-07 13:42:12,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa8cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:42:12, skipping insertion in model container [2019-10-07 13:42:12,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:42:11" (2/3) ... [2019-10-07 13:42:12,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa8cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:42:12, skipping insertion in model container [2019-10-07 13:42:12,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:42:12" (3/3) ... [2019-10-07 13:42:12,304 INFO L109 eAbstractionObserver]: Analyzing ICFG ddlm2013.i [2019-10-07 13:42:12,314 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:42:12,322 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:42:12,338 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:42:12,380 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:42:12,380 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:42:12,380 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:42:12,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:42:12,381 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:42:12,381 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:42:12,381 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:42:12,381 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:42:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 13:42:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-07 13:42:12,411 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:12,412 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:12,415 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:12,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1885241407, now seen corresponding path program 1 times [2019-10-07 13:42:12,431 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:12,431 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:12,432 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,432 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:12,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:12,547 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:12,547 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:42:12,548 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 13:42:12,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 13:42:12,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 13:42:12,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 13:42:12,565 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-07 13:42:12,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:12,589 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2019-10-07 13:42:12,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 13:42:12,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-07 13:42:12,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:12,599 INFO L225 Difference]: With dead ends: 31 [2019-10-07 13:42:12,599 INFO L226 Difference]: Without dead ends: 13 [2019-10-07 13:42:12,603 INFO L606 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 [2019-10-07 13:42:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-10-07 13:42:12,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-10-07 13:42:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-10-07 13:42:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-10-07 13:42:12,641 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-10-07 13:42:12,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:12,641 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-10-07 13:42:12,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 13:42:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-10-07 13:42:12,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 13:42:12,642 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:12,642 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:12,643 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:12,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:12,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1681236347, now seen corresponding path program 1 times [2019-10-07 13:42:12,644 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:12,644 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:12,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:12,884 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:12,885 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:42:12,885 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:42:12,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:42:12,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:42:12,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:42:12,888 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 5 states. [2019-10-07 13:42:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:12,938 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-10-07 13:42:12,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:42:12,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-07 13:42:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:12,941 INFO L225 Difference]: With dead ends: 21 [2019-10-07 13:42:12,941 INFO L226 Difference]: Without dead ends: 15 [2019-10-07 13:42:12,943 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 13:42:12,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-07 13:42:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-07 13:42:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-07 13:42:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-10-07 13:42:12,950 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2019-10-07 13:42:12,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:12,951 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-10-07 13:42:12,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:42:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-10-07 13:42:12,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 13:42:12,952 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:12,952 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:12,952 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:12,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:12,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1288057018, now seen corresponding path program 1 times [2019-10-07 13:42:12,953 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:12,954 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:12,954 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,954 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:12,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:13,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:13,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:42:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:42:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:13,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 18 conjunts are in the unsatisfiable core [2019-10-07 13:42:13,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:42:13,468 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 13:42:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:13,543 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:42:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:13,636 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:42:13,689 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-07 13:42:13,689 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:42:13,702 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:42:13,712 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:42:13,713 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:42:13,800 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-07 13:42:14,243 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 13:42:14,270 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-07 13:42:14,274 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:42:14,275 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:42:14,283 INFO L193 IcfgInterpreter]: Reachable states at location L25-2 satisfy 128#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0)) [2019-10-07 13:42:14,284 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 151#true [2019-10-07 13:42:14,284 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 137#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 13:42:14,284 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-07 13:42:14,285 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-07 13:42:14,285 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 156#true [2019-10-07 13:42:14,285 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:42:14,286 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 142#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 13:42:14,286 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 147#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 13:42:14,286 INFO L193 IcfgInterpreter]: Reachable states at location L21-2 satisfy 109#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0)) [2019-10-07 13:42:14,287 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 132#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1))) [2019-10-07 13:42:14,287 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 104#(and (<= 0 (+ |main_#t~nondet2| 2147483648)) (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0) (<= |main_#t~nondet2| 2147483647)) [2019-10-07 13:42:14,287 INFO L193 IcfgInterpreter]: Reachable states at location L32 satisfy 114#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0) (not (= main_~flag~0 0))) [2019-10-07 13:42:14,529 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:42:14,529 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7] total 20 [2019-10-07 13:42:14,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-10-07 13:42:14,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-10-07 13:42:14,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2019-10-07 13:42:14,532 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 21 states. [2019-10-07 13:42:15,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:42:15,287 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-10-07 13:42:15,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-07 13:42:15,287 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 14 [2019-10-07 13:42:15,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:42:15,288 INFO L225 Difference]: With dead ends: 27 [2019-10-07 13:42:15,288 INFO L226 Difference]: Without dead ends: 19 [2019-10-07 13:42:15,291 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=170, Invalid=822, Unknown=0, NotChecked=0, Total=992 [2019-10-07 13:42:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-10-07 13:42:15,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-10-07 13:42:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-10-07 13:42:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-10-07 13:42:15,297 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2019-10-07 13:42:15,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:42:15,298 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-10-07 13:42:15,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-10-07 13:42:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-10-07 13:42:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-07 13:42:15,300 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:42:15,300 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:42:15,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:42:15,505 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:42:15,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:42:15,506 INFO L82 PathProgramCache]: Analyzing trace with hash -71042716, now seen corresponding path program 2 times [2019-10-07 13:42:15,506 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:42:15,507 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:15,507 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:15,507 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:42:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:42:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:42:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:16,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:42:16,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:42:16,065 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:42:16,124 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-07 13:42:16,124 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-07 13:42:16,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 13:42:16,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:42:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:16,617 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:42:21,084 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-10-07 13:42:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:42:21,094 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:42:21,095 INFO L162 IcfgInterpreter]: Started Sifa with 13 locations of interest [2019-10-07 13:42:21,095 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:42:21,096 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:42:21,096 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:42:21,096 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 13:42:21,111 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-07 13:42:21,279 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-07 13:42:21,311 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 1 for LOIs [2019-10-07 13:42:21,316 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-07 13:42:21,316 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-07 13:42:21,316 INFO L193 IcfgInterpreter]: Reachable states at location L25-2 satisfy 128#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0)) [2019-10-07 13:42:21,316 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initFINAL satisfy 151#true [2019-10-07 13:42:21,317 INFO L193 IcfgInterpreter]: Reachable states at location L4 satisfy 137#(and (or (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) (and (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (<= __VERIFIER_assert_~cond 1) (<= |__VERIFIER_assert_#in~cond| 1))) (or (and (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)))) [2019-10-07 13:42:21,317 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#true [2019-10-07 13:42:21,317 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#true [2019-10-07 13:42:21,318 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 156#true [2019-10-07 13:42:21,318 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-07 13:42:21,318 INFO L193 IcfgInterpreter]: Reachable states at location L5 satisfy 142#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 13:42:21,319 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 147#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-10-07 13:42:21,319 INFO L193 IcfgInterpreter]: Reachable states at location L21-2 satisfy 109#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0)) [2019-10-07 13:42:21,319 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertENTRY satisfy 132#(and (or (and (<= 1 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1)) (and (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0))) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0))) [2019-10-07 13:42:21,319 INFO L193 IcfgInterpreter]: Reachable states at location L21 satisfy 104#(and (<= 0 (+ |main_#t~nondet2| 2147483648)) (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0) (<= |main_#t~nondet2| 2147483647)) [2019-10-07 13:42:21,319 INFO L193 IcfgInterpreter]: Reachable states at location L32 satisfy 114#(and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= 0 main_~a~0) (not (= main_~flag~0 0))) [2019-10-07 13:42:21,624 INFO L211 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-07 13:42:21,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 7] total 27 [2019-10-07 13:42:21,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 13:42:21,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 13:42:21,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=608, Unknown=1, NotChecked=0, Total=702 [2019-10-07 13:42:21,626 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 27 states. [2019-10-07 13:42:22,207 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-10-07 13:42:22,335 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-10-07 13:42:22,923 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2019-10-07 13:42:23,126 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2019-10-07 13:42:27,998 WARN L191 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2019-10-07 13:42:31,470 WARN L191 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2019-10-07 13:42:51,532 WARN L191 SmtUtils]: Spent 20.00 s on a formula simplification. DAG size of input: 69 DAG size of output: 38 [2019-10-07 13:43:18,016 WARN L191 SmtUtils]: Spent 17.84 s on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2019-10-07 13:43:18,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:43:18,785 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-10-07 13:43:18,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 13:43:18,787 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 18 [2019-10-07 13:43:18,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:43:18,787 INFO L225 Difference]: With dead ends: 23 [2019-10-07 13:43:18,787 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:43:18,789 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=245, Invalid=1312, Unknown=3, NotChecked=0, Total=1560 [2019-10-07 13:43:18,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:43:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:43:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:43:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:43:18,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-10-07 13:43:18,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:43:18,790 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:43:18,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 13:43:18,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:43:18,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:43:18,994 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:43:19,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:43:19,118 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:43:19,119 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-07 13:43:19,119 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 33) no Hoare annotation was computed. [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 35) no Hoare annotation was computed. [2019-10-07 13:43:19,119 INFO L443 ceAbstractionStarter]: For program point L25-2(lines 10 35) no Hoare annotation was computed. [2019-10-07 13:43:19,120 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 30) no Hoare annotation was computed. [2019-10-07 13:43:19,120 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 10 35) no Hoare annotation was computed. [2019-10-07 13:43:19,120 INFO L439 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (let ((.cse2 (* 4294967296 (div main_~b~0 4294967296))) (.cse3 (* 4294967296 (div main_~a~0 4294967296)))) (let ((.cse1 (+ .cse3 main_~b~0)) (.cse0 (+ main_~a~0 .cse2))) (or (and (<= 0 main_~i~0) (<= main_~flag~0 2147483647) (<= 1 main_~j~0) (<= 0 (+ main_~flag~0 2147483648)) (<= .cse0 .cse1) (<= 0 main_~a~0) (< .cse1 (+ main_~a~0 .cse2 1)) (not (= main_~flag~0 0))) (and (<= .cse1 .cse0) (< .cse0 (+ .cse3 main_~b~0 1)) (<= main_~b~0 main_~a~0))))) [2019-10-07 13:43:19,120 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 35) the Hoare annotation is: true [2019-10-07 13:43:19,121 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-07 13:43:19,121 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:43:19,121 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-07 13:43:19,121 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-07 13:43:19,121 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-07 13:43:19,121 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:43:19,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:43:19 BoogieIcfgContainer [2019-10-07 13:43:19,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:43:19,133 INFO L168 Benchmark]: Toolchain (without parser) took 67528.38 ms. Allocated memory was 145.8 MB in the beginning and 270.5 MB in the end (delta: 124.8 MB). Free memory was 102.7 MB in the beginning and 140.6 MB in the end (delta: -37.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,134 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.79 ms. Allocated memory is still 145.8 MB. Free memory was 102.3 MB in the beginning and 92.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,136 INFO L168 Benchmark]: Boogie Preprocessor took 118.90 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 181.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,137 INFO L168 Benchmark]: RCFGBuilder took 316.69 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 167.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,141 INFO L168 Benchmark]: TraceAbstraction took 66830.35 ms. Allocated memory was 203.4 MB in the beginning and 270.5 MB in the end (delta: 67.1 MB). Free memory was 166.6 MB in the beginning and 140.6 MB in the end (delta: 26.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2019-10-07 13:43:19,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.79 ms. Allocated memory is still 145.8 MB. Free memory was 102.3 MB in the beginning and 92.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.90 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 92.5 MB in the beginning and 181.8 MB in the end (delta: -89.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 316.69 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 167.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 66830.35 ms. Allocated memory was 203.4 MB in the beginning and 270.5 MB in the end (delta: 67.1 MB). Free memory was 166.6 MB in the beginning and 140.6 MB in the end (delta: 26.0 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 66.7s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 58.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 50 SDtfs, 40 SDslu, 238 SDs, 0 SdLazy, 187 SolverSat, 22 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 56.5s 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 94 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 28129 SizeOfPredicates, 7 NumberOfNonLiveVariables, 110 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 823, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 54, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME[ms]: 62, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 66, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 60, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 530, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 59, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 260, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 259, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 150, DAG_COMPRESSION_RETAINED_NODES: 94, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...