/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/product-lines/minepump_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:20:26,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:20:26,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:20:26,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:20:26,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:20:26,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:20:26,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:20:26,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:20:26,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:20:26,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:20:26,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:20:26,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:20:26,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:20:26,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:20:26,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:20:26,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:20:26,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:20:26,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:20:26,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:20:26,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:20:26,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:20:26,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:20:26,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:20:26,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:20:26,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:20:26,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:20:26,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:20:26,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:20:26,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:20:26,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:20:26,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:20:26,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:20:26,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:20:26,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:20:26,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:20:26,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:20:26,569 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 05:20:26,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:20:26,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:20:26,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:20:26,587 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:20:26,587 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:20:26,588 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:20:26,588 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:20:26,588 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:20:26,588 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:20:26,588 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:20:26,589 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:20:26,589 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:20:26,589 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:20:26,589 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:20:26,589 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:20:26,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:20:26,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:20:26,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:20:26,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:20:26,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:20:26,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:20:26,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:20:26,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:20:26,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:20:26,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:20:26,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:20:26,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:20:26,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:20:26,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:20:26,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:20:26,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:20:26,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:20:26,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:20:26,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:20:26,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:20:26,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:20:26,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:20:26,595 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:20:26,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:20:26,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:20:26,934 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:20:26,935 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:20:26,936 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:20:26,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-11-24 05:20:27,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d8c23d0/f39d95ad41e84ccbb16abeb9e836692f/FLAG42a9bd7bb [2019-11-24 05:20:27,532 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:20:27,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-11-24 05:20:27,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d8c23d0/f39d95ad41e84ccbb16abeb9e836692f/FLAG42a9bd7bb [2019-11-24 05:20:27,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d8c23d0/f39d95ad41e84ccbb16abeb9e836692f [2019-11-24 05:20:27,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:20:27,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:20:27,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:27,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:20:27,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:20:27,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:27" (1/1) ... [2019-11-24 05:20:27,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761c7118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:27, skipping insertion in model container [2019-11-24 05:20:27,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:20:27" (1/1) ... [2019-11-24 05:20:27,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:20:27,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:20:28,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:28,292 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:20:28,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:20:28,423 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:20:28,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28 WrapperNode [2019-11-24 05:20:28,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:20:28,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:28,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:20:28,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:20:28,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:20:28,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:20:28,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:20:28,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:20:28,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (1/1) ... [2019-11-24 05:20:28,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:20:28,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:20:28,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:20:28,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:20:28,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (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 05:20:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:20:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:20:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:20:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:20:30,628 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:20:30,628 INFO L284 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-24 05:20:30,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:30 BoogieIcfgContainer [2019-11-24 05:20:30,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:20:30,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:20:30,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:20:30,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:20:30,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:20:27" (1/3) ... [2019-11-24 05:20:30,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634fae4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:30, skipping insertion in model container [2019-11-24 05:20:30,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:20:28" (2/3) ... [2019-11-24 05:20:30,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634fae4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:20:30, skipping insertion in model container [2019-11-24 05:20:30,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:20:30" (3/3) ... [2019-11-24 05:20:30,641 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2019-11-24 05:20:30,653 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:20:30,661 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-24 05:20:30,672 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-24 05:20:30,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:20:30,700 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:20:30,700 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:20:30,700 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:20:30,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:20:30,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:20:30,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:20:30,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:20:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-24 05:20:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-24 05:20:30,727 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:30,728 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:20:30,728 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:30,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1814109413, now seen corresponding path program 1 times [2019-11-24 05:20:30,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:30,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308328924] [2019-11-24 05:20:30,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:31,115 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 05:20:31,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308328924] [2019-11-24 05:20:31,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:31,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:20:31,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604219081] [2019-11-24 05:20:31,123 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:20:31,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:31,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:20:31,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:20:31,140 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-24 05:20:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:31,221 INFO L93 Difference]: Finished difference Result 68 states and 105 transitions. [2019-11-24 05:20:31,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:20:31,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-24 05:20:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:31,236 INFO L225 Difference]: With dead ends: 68 [2019-11-24 05:20:31,236 INFO L226 Difference]: Without dead ends: 40 [2019-11-24 05:20:31,240 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:20:31,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-24 05:20:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-24 05:20:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-24 05:20:31,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2019-11-24 05:20:31,286 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 8 [2019-11-24 05:20:31,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:31,287 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2019-11-24 05:20:31,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:20:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2019-11-24 05:20:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-24 05:20:31,288 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:20:31,288 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-24 05:20:31,289 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:20:31,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:20:31,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1510103141, now seen corresponding path program 1 times [2019-11-24 05:20:31,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:20:31,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176301052] [2019-11-24 05:20:31,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:20:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:20:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-24 05:20:31,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176301052] [2019-11-24 05:20:31,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:20:31,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-24 05:20:31,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166469865] [2019-11-24 05:20:31,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-24 05:20:31,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:20:31,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-24 05:20:31,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-24 05:20:31,565 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 6 states. [2019-11-24 05:20:31,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:20:31,678 INFO L93 Difference]: Finished difference Result 60 states and 82 transitions. [2019-11-24 05:20:31,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-24 05:20:31,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-11-24 05:20:31,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:20:31,680 INFO L225 Difference]: With dead ends: 60 [2019-11-24 05:20:31,680 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:20:31,682 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-11-24 05:20:31,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:20:31,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:20:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:20:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:20:31,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-24 05:20:31,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:20:31,683 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:20:31,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-24 05:20:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:20:31,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:20:31,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:20:31,927 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,927 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,928 INFO L440 ceAbstractionStarter]: At program point L539(lines 539 546) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,928 INFO L447 ceAbstractionStarter]: At program point L539-1(lines 539 546) the Hoare annotation is: true [2019-11-24 05:20:31,928 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:20:31,929 INFO L440 ceAbstractionStarter]: At program point L881(lines 880 925) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,929 INFO L444 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,929 INFO L444 ceAbstractionStarter]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,929 INFO L444 ceAbstractionStarter]: For program point L650-2(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,929 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:20:31,930 INFO L440 ceAbstractionStarter]: At program point L426(lines 426 443) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,930 INFO L440 ceAbstractionStarter]: At program point L426-1(lines 1 933) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,930 INFO L440 ceAbstractionStarter]: At program point L426-2(lines 426 443) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,930 INFO L440 ceAbstractionStarter]: At program point L426-3(lines 1 933) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,937 INFO L440 ceAbstractionStarter]: At program point L426-4(lines 426 443) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,937 INFO L440 ceAbstractionStarter]: At program point L426-5(lines 1 933) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,937 INFO L440 ceAbstractionStarter]: At program point L460-2(lines 460 474) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,938 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 650) no Hoare annotation was computed. [2019-11-24 05:20:31,938 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 440) no Hoare annotation was computed. [2019-11-24 05:20:31,938 INFO L444 ceAbstractionStarter]: For program point L430-2(lines 430 440) no Hoare annotation was computed. [2019-11-24 05:20:31,938 INFO L444 ceAbstractionStarter]: For program point L430-4(lines 430 440) no Hoare annotation was computed. [2019-11-24 05:20:31,939 INFO L440 ceAbstractionStarter]: At program point L926(lines 879 927) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,943 INFO L440 ceAbstractionStarter]: At program point L464(lines 464 468) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0)) [2019-11-24 05:20:31,943 INFO L444 ceAbstractionStarter]: For program point L431(lines 431 437) no Hoare annotation was computed. [2019-11-24 05:20:31,943 INFO L444 ceAbstractionStarter]: For program point L431-2(lines 431 437) no Hoare annotation was computed. [2019-11-24 05:20:31,943 INFO L444 ceAbstractionStarter]: For program point L431-4(lines 431 437) no Hoare annotation was computed. [2019-11-24 05:20:31,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:20:31 BoogieIcfgContainer [2019-11-24 05:20:31,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:20:31,986 INFO L168 Benchmark]: Toolchain (without parser) took 4194.18 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 102.9 MB in the beginning and 116.0 MB in the end (delta: -13.1 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:31,992 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 05:20:31,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.48 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 170.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:31,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.78 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 165.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:31,995 INFO L168 Benchmark]: Boogie Preprocessor took 49.03 ms. Allocated memory is still 202.9 MB. Free memory was 165.8 MB in the beginning and 163.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:31,996 INFO L168 Benchmark]: RCFGBuilder took 2068.05 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 163.1 MB in the beginning and 208.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:32,002 INFO L168 Benchmark]: TraceAbstraction took 1352.22 ms. Allocated memory is still 247.5 MB. Free memory was 208.2 MB in the beginning and 116.0 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:20:32,012 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 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.48 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.7 MB in the beginning and 170.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 81.78 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 165.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.03 ms. Allocated memory is still 202.9 MB. Free memory was 165.8 MB in the beginning and 163.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2068.05 ms. Allocated memory was 202.9 MB in the beginning and 247.5 MB in the end (delta: 44.6 MB). Free memory was 163.1 MB in the beginning and 208.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 115.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1352.22 ms. Allocated memory is still 247.5 MB. Free memory was 208.2 MB in the beginning and 116.0 MB in the end (delta: 92.2 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 650]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && !(0 == systemActive)) && 0 == methAndRunningLastTime - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 45 SDtfs, 49 SDslu, 28 SDs, 0 SdLazy, 29 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=1, 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, 13 LocationsWithAnnotation, 13 PreInvPairs, 32 NumberOfFragments, 156 HoareAnnotationTreeSize, 13 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...