/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 04:15:27,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 04:15:27,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 04:15:27,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 04:15:27,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 04:15:27,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 04:15:27,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 04:15:27,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 04:15:27,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 04:15:27,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 04:15:27,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 04:15:27,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 04:15:27,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 04:15:27,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 04:15:27,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 04:15:27,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 04:15:27,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 04:15:27,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 04:15:27,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 04:15:27,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 04:15:27,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 04:15:27,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 04:15:27,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 04:15:27,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 04:15:27,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 04:15:27,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 04:15:27,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 04:15:27,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 04:15:27,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 04:15:27,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 04:15:27,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 04:15:27,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 04:15:27,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 04:15:27,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 04:15:27,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 04:15:27,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 04:15:27,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 04:15:27,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 04:15:27,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 04:15:27,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 04:15:27,501 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 04:15:27,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 04:15:27,502 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 04:15:27,502 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 04:15:27,502 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 04:15:27,502 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 04:15:27,502 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 04:15:27,504 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 04:15:27,504 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 04:15:27,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 04:15:27,505 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 04:15:27,505 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 04:15:27,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 04:15:27,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 04:15:27,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 04:15:27,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 04:15:27,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 04:15:27,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 04:15:27,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 04:15:27,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 04:15:27,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 04:15:27,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 04:15:27,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 04:15:27,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 04:15:27,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 04:15:27,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 04:15:27,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:15:27,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 04:15:27,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 04:15:27,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 04:15:27,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 04:15:27,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 04:15:27,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 04:15:27,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 04:15:27,513 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 04:15:27,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 04:15:27,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 04:15:27,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 04:15:27,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 04:15:27,818 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 04:15:27,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-11-24 04:15:27,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa68df22b/a19ee05d6a9a44a79888699a4ef1a646/FLAGb23e9b184 [2019-11-24 04:15:28,332 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 04:15:28,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_1-2.c [2019-11-24 04:15:28,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa68df22b/a19ee05d6a9a44a79888699a4ef1a646/FLAGb23e9b184 [2019-11-24 04:15:28,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa68df22b/a19ee05d6a9a44a79888699a4ef1a646 [2019-11-24 04:15:28,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 04:15:28,750 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 04:15:28,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 04:15:28,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 04:15:28,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 04:15:28,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:28,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ea140a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28, skipping insertion in model container [2019-11-24 04:15:28,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:28,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 04:15:28,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 04:15:28,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:15:28,953 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 04:15:28,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 04:15:28,976 INFO L208 MainTranslator]: Completed translation [2019-11-24 04:15:28,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28 WrapperNode [2019-11-24 04:15:28,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 04:15:28,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 04:15:28,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 04:15:28,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 04:15:28,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:28,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 04:15:29,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 04:15:29,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 04:15:29,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 04:15:29,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... [2019-11-24 04:15:29,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 04:15:29,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 04:15:29,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 04:15:29,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 04:15:29,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 04:15:29,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 04:15:29,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 04:15:29,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 04:15:29,353 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 04:15:29,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:29 BoogieIcfgContainer [2019-11-24 04:15:29,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 04:15:29,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 04:15:29,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 04:15:29,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 04:15:29,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 04:15:28" (1/3) ... [2019-11-24 04:15:29,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7886457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:15:29, skipping insertion in model container [2019-11-24 04:15:29,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:15:28" (2/3) ... [2019-11-24 04:15:29,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7886457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 04:15:29, skipping insertion in model container [2019-11-24 04:15:29,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:15:29" (3/3) ... [2019-11-24 04:15:29,362 INFO L109 eAbstractionObserver]: Analyzing ICFG underapprox_1-2.c [2019-11-24 04:15:29,372 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 04:15:29,380 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-24 04:15:29,392 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-24 04:15:29,418 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 04:15:29,418 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 04:15:29,419 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 04:15:29,419 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 04:15:29,419 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 04:15:29,419 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 04:15:29,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 04:15:29,419 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 04:15:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-24 04:15:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-24 04:15:29,448 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:15:29,449 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-24 04:15:29,449 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:15:29,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:15:29,459 INFO L82 PathProgramCache]: Analyzing trace with hash 982688, now seen corresponding path program 1 times [2019-11-24 04:15:29,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:15:29,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908443578] [2019-11-24 04:15:29,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:15:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:29,693 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908443578] [2019-11-24 04:15:29,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 04:15:29,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 04:15:29,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510685344] [2019-11-24 04:15:29,698 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 04:15:29,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:15:29,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 04:15:29,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:15:29,712 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-11-24 04:15:29,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:15:29,741 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-24 04:15:29,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 04:15:29,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-24 04:15:29,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:15:29,753 INFO L225 Difference]: With dead ends: 13 [2019-11-24 04:15:29,753 INFO L226 Difference]: Without dead ends: 6 [2019-11-24 04:15:29,757 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 04:15:29,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-11-24 04:15:29,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-11-24 04:15:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-24 04:15:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-24 04:15:29,786 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-11-24 04:15:29,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:15:29,786 INFO L462 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-11-24 04:15:29,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 04:15:29,787 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-24 04:15:29,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-24 04:15:29,787 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 04:15:29,788 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-24 04:15:29,788 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 04:15:29,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 04:15:29,789 INFO L82 PathProgramCache]: Analyzing trace with hash 29879958, now seen corresponding path program 1 times [2019-11-24 04:15:29,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 04:15:29,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659374936] [2019-11-24 04:15:29,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 04:15:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:29,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659374936] [2019-11-24 04:15:29,889 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103785407] [2019-11-24 04:15:29,889 INFO L94 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 [2019-11-24 04:15:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 04:15:29,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-24 04:15:29,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-24 04:15:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:29,975 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-24 04:15:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 04:15:30,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1466363787] [2019-11-24 04:15:30,034 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 04:15:30,034 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 04:15:30,041 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 04:15:30,048 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 04:15:30,049 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 04:15:30,815 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 04:15:31,775 WARN L192 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 65 [2019-11-24 04:15:34,646 WARN L192 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 161 DAG size of output: 56 [2019-11-24 04:15:34,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-24 04:15:34,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 8 [2019-11-24 04:15:34,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504994140] [2019-11-24 04:15:34,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-24 04:15:34,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 04:15:34,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-24 04:15:34,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:15:34,652 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2019-11-24 04:15:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 04:15:34,678 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-11-24 04:15:34,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 04:15:34,679 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-24 04:15:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 04:15:34,680 INFO L225 Difference]: With dead ends: 6 [2019-11-24 04:15:34,680 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 04:15:34,681 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-24 04:15:34,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 04:15:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 04:15:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 04:15:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 04:15:34,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-24 04:15:34,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 04:15:34,683 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 04:15:34,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-24 04:15:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 04:15:34,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 04:15:34,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-24 04:15:34,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 04:15:35,145 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-11-24 04:15:35,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 04:15:35,153 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-24 04:15:35,154 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-24 04:15:35,154 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-24 04:15:35,154 INFO L440 ceAbstractionStarter]: At program point L14-2(lines 14 17) the Hoare annotation is: (let ((.cse6 (div (- ULTIMATE.start_main_~y~0) (- 2)))) (let ((.cse7 (div (- .cse6) (- 2)))) (let ((.cse3 (div (- .cse7) (- 2)))) (let ((.cse0 (= 0 (mod ULTIMATE.start_main_~y~0 (- 2)))) (.cse4 (= (mod .cse7 (- 2)) 0)) (.cse5 (= 0 (mod .cse6 (- 2)))) (.cse2 (= (mod .cse3 (- 2)) 0)) (.cse1 (div (- .cse3) (- 2)))) (or (and .cse0 (or (and (or (and (= .cse1 1) (= ULTIMATE.start_main_~x~0 4)) (and (= ULTIMATE.start_main_~x~0 5) (= .cse1 2))) .cse2) (and (= 1 .cse3) (= ULTIMATE.start_main_~x~0 3))) .cse4 .cse5) (and (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~y~0 1)) (and .cse0 (or (and (= .cse6 1) (= ULTIMATE.start_main_~x~0 1)) (and (= ULTIMATE.start_main_~x~0 2) (= .cse6 2)))) (and .cse0 .cse4 .cse5 .cse2 (= 0 (mod .cse1 (- 2))) (= ULTIMATE.start_main_~x~0 6) (= (div (- .cse1) (- 2)) 2))))))) [2019-11-24 04:15:35,155 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-24 04:15:35,155 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 1 20) the Hoare annotation is: true [2019-11-24 04:15:35,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 04:15:35 BoogieIcfgContainer [2019-11-24 04:15:35,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 04:15:35,178 INFO L168 Benchmark]: Toolchain (without parser) took 6427.98 ms. Allocated memory was 146.3 MB in the beginning and 243.8 MB in the end (delta: 97.5 MB). Free memory was 102.9 MB in the beginning and 163.2 MB in the end (delta: -60.3 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,179 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.83 ms. Allocated memory is still 146.3 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.75 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 93.4 MB in the beginning and 184.1 MB in the end (delta: -90.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,182 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 ms. Allocated memory is still 205.0 MB. Free memory was 184.1 MB in the beginning and 182.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,183 INFO L168 Benchmark]: RCFGBuilder took 235.64 ms. Allocated memory is still 205.0 MB. Free memory was 182.1 MB in the beginning and 171.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,184 INFO L168 Benchmark]: TraceAbstraction took 5820.25 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 170.8 MB in the beginning and 163.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-11-24 04:15:35,189 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.83 ms. Allocated memory is still 146.3 MB. Free memory was 102.7 MB in the beginning and 93.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 121.75 ms. Allocated memory was 146.3 MB in the beginning and 205.0 MB in the end (delta: 58.7 MB). Free memory was 93.4 MB in the beginning and 184.1 MB in the end (delta: -90.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.77 ms. Allocated memory is still 205.0 MB. Free memory was 184.1 MB in the beginning and 182.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 235.64 ms. Allocated memory is still 205.0 MB. Free memory was 182.1 MB in the beginning and 171.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5820.25 ms. Allocated memory was 205.0 MB in the beginning and 243.8 MB in the end (delta: 38.8 MB). Free memory was 170.8 MB in the beginning and 163.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 46.4 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 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((0 == y % -2 && ((((-(-(-(-y / -2) / -2) / -2) / -2 == 1 && x == 4) || (x == 5 && -(-(-(-y / -2) / -2) / -2) / -2 == 2)) && -(-(-y / -2) / -2) / -2 % -2 == 0) || (1 == -(-(-y / -2) / -2) / -2 && x == 3))) && -(-y / -2) / -2 % -2 == 0) && 0 == -y / -2 % -2) || (x == 0 && y == 1)) || (0 == y % -2 && ((-y / -2 == 1 && x == 1) || (x == 2 && -y / -2 == 2)))) || ((((((0 == y % -2 && -(-y / -2) / -2 % -2 == 0) && 0 == -y / -2 % -2) && -(-(-y / -2) / -2) / -2 % -2 == 0) && 0 == -(-(-(-y / -2) / -2) / -2) / -2 % -2) && x == 6) && -(-(-(-(-y / -2) / -2) / -2) / -2) / -2 == 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: SAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 7 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 209 HoareAnnotationTreeSize, 2 FomulaSimplifications, 84 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 227 SizeOfPredicates, 1 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 782, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME[ms]: 58, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 45, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 480, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 140, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 594, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 594, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 7, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 16, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...