java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 13:06:32,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 13:06:32,759 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 13:06:32,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 13:06:32,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 13:06:32,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 13:06:32,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 13:06:32,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 13:06:32,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 13:06:32,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 13:06:32,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 13:06:32,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 13:06:32,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 13:06:32,782 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 13:06:32,783 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 13:06:32,784 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 13:06:32,785 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 13:06:32,787 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 13:06:32,789 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 13:06:32,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 13:06:32,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 13:06:32,799 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 13:06:32,804 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-15 13:06:32,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 13:06:32,818 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 13:06:32,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 13:06:32,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 13:06:32,822 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf [2018-09-15 13:06:32,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 13:06:32,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 13:06:32,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 13:06:32,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 13:06:32,856 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 13:06:32,856 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 13:06:32,856 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 13:06:32,856 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 13:06:32,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-09-15 13:06:32,857 INFO L133 SettingsManager]: * Abstract domain=IntervalDomain [2018-09-15 13:06:32,857 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 13:06:32,857 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 13:06:32,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 13:06:32,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 13:06:32,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 13:06:32,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 13:06:32,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 13:06:32,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 13:06:32,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 13:06:32,860 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 13:06:32,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 13:06:32,862 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 13:06:32,862 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 13:06:32,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 13:06:32,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 13:06:32,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 13:06:32,863 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 13:06:32,863 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 13:06:32,863 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 13:06:32,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 13:06:32,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 13:06:32,864 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 13:06:32,864 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 13:06:32,864 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 13:06:32,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 13:06:32,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 13:06:32,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 13:06:32,953 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 13:06:32,953 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 13:06:32,954 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i [2018-09-15 13:06:33,302 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662ca161/34c30e8746b34b5792d154afc79a4259/FLAG81f73e461 [2018-09-15 13:06:33,437 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 13:06:33,438 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i [2018-09-15 13:06:33,445 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662ca161/34c30e8746b34b5792d154afc79a4259/FLAG81f73e461 [2018-09-15 13:06:33,462 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662ca161/34c30e8746b34b5792d154afc79a4259 [2018-09-15 13:06:33,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 13:06:33,476 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 13:06:33,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 13:06:33,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 13:06:33,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 13:06:33,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674df799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33, skipping insertion in model container [2018-09-15 13:06:33,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,504 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 13:06:33,775 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:06:33,802 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 13:06:33,818 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 13:06:33,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33 WrapperNode [2018-09-15 13:06:33,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 13:06:33,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 13:06:33,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 13:06:33,837 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 13:06:33,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 13:06:33,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 13:06:33,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 13:06:33,865 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 13:06:33,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (1/1) ... [2018-09-15 13:06:33,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 13:06:33,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 13:06:33,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 13:06:33,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 13:06:33,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (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 [2018-09-15 13:06:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 13:06:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 13:06:33,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 13:06:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 13:06:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-09-15 13:06:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-09-15 13:06:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 13:06:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 13:06:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-15 13:06:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-15 13:06:34,551 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 13:06:34,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:06:34 BoogieIcfgContainer [2018-09-15 13:06:34,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 13:06:34,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 13:06:34,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 13:06:34,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 13:06:34,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 01:06:33" (1/3) ... [2018-09-15 13:06:34,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213d477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:06:34, skipping insertion in model container [2018-09-15 13:06:34,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 01:06:33" (2/3) ... [2018-09-15 13:06:34,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@213d477f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 01:06:34, skipping insertion in model container [2018-09-15 13:06:34,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 01:06:34" (3/3) ... [2018-09-15 13:06:34,560 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05_true-unreach-call_true-termination.i [2018-09-15 13:06:34,570 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 13:06:34,578 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 13:06:34,629 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 13:06:34,629 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 13:06:34,630 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 13:06:34,630 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 13:06:34,630 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 13:06:34,630 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 13:06:34,630 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 13:06:34,631 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 13:06:34,631 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 13:06:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-09-15 13:06:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-15 13:06:34,657 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:34,658 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:34,660 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:34,666 INFO L82 PathProgramCache]: Analyzing trace with hash 163297510, now seen corresponding path program 1 times [2018-09-15 13:06:34,668 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:34,670 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-15 13:06:34,672 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [38], [40], [41], [54], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-15 13:06:34,706 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:34,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:34,768 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 13:06:34,770 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-09-15 13:06:34,802 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 13:06:34,841 INFO L232 lantSequenceWeakener]: Weakened 5 states. On average, predicates are now at 100% of their original sizes. [2018-09-15 13:06:34,841 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 13:06:34,843 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 13:06:34,844 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 13:06:34,845 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-15 13:06:34,845 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 13:06:34,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-15 13:06:34,855 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-15 13:06:34,855 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-15 13:06:34,857 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-09-15 13:06:34,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 13:06:34,880 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2018-09-15 13:06:34,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-15 13:06:34,881 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-15 13:06:34,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 13:06:34,889 INFO L225 Difference]: With dead ends: 63 [2018-09-15 13:06:34,889 INFO L226 Difference]: Without dead ends: 32 [2018-09-15 13:06:34,893 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-15 13:06:34,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-09-15 13:06:34,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-09-15 13:06:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-09-15 13:06:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-09-15 13:06:34,932 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2018-09-15 13:06:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 13:06:34,932 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-09-15 13:06:34,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-15 13:06:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-09-15 13:06:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-15 13:06:34,934 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:34,934 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:34,934 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:34,935 INFO L82 PathProgramCache]: Analyzing trace with hash -541222088, now seen corresponding path program 1 times [2018-09-15 13:06:34,935 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:34,935 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-09-15 13:06:34,935 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [40], [41], [45], [48], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-15 13:06:34,937 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:34,937 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:34,946 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 13:06:34,947 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-09-15 13:06:34,985 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 13:06:34,998 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 38.89% of their original sizes. [2018-09-15 13:06:34,998 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 13:06:35,032 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 13:06:35,033 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 13:06:35,033 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-15 13:06:35,033 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 13:06:35,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-15 13:06:35,035 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-15 13:06:35,035 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-15 13:06:35,035 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 4 states. [2018-09-15 13:06:35,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 13:06:35,156 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-09-15 13:06:35,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-15 13:06:35,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-09-15 13:06:35,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 13:06:35,157 INFO L225 Difference]: With dead ends: 58 [2018-09-15 13:06:35,158 INFO L226 Difference]: Without dead ends: 35 [2018-09-15 13:06:35,160 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-15 13:06:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-15 13:06:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-09-15 13:06:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-15 13:06:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-09-15 13:06:35,167 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 21 [2018-09-15 13:06:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 13:06:35,167 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-09-15 13:06:35,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-15 13:06:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-09-15 13:06:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-15 13:06:35,169 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:35,169 INFO L376 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:35,169 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2063291985, now seen corresponding path program 1 times [2018-09-15 13:06:35,170 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:35,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-09-15 13:06:35,170 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [40], [41], [45], [48], [50], [52], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-15 13:06:35,172 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:35,172 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:35,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 13:06:35,191 INFO L272 AbstractInterpreter]: Visited 14 different actions 34 times. Merged at 3 different actions 15 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 8 variables. [2018-09-15 13:06:35,214 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 13:06:35,232 INFO L232 lantSequenceWeakener]: Weakened 10 states. On average, predicates are now at 40% of their original sizes. [2018-09-15 13:06:35,232 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 13:06:35,303 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 13:06:35,304 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 13:06:35,304 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 13:06:35,304 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 13:06:35,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 13:06:35,305 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 13:06:35,305 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 13:06:35,305 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 6 states. [2018-09-15 13:06:35,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 13:06:35,733 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-09-15 13:06:35,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 13:06:35,733 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-09-15 13:06:35,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 13:06:35,736 INFO L225 Difference]: With dead ends: 59 [2018-09-15 13:06:35,736 INFO L226 Difference]: Without dead ends: 46 [2018-09-15 13:06:35,737 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 13:06:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-09-15 13:06:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2018-09-15 13:06:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-15 13:06:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2018-09-15 13:06:35,750 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2018-09-15 13:06:35,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 13:06:35,750 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2018-09-15 13:06:35,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 13:06:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2018-09-15 13:06:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-15 13:06:35,752 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:35,752 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:35,752 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:35,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1077618875, now seen corresponding path program 1 times [2018-09-15 13:06:35,753 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:35,753 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-09-15 13:06:35,753 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [18], [21], [34], [36], [40], [41], [45], [48], [50], [52], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-15 13:06:35,755 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:35,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:35,769 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 13:06:35,769 INFO L272 AbstractInterpreter]: Visited 17 different actions 37 times. Merged at 3 different actions 15 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 9 variables. [2018-09-15 13:06:35,775 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 13:06:35,792 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 36.19% of their original sizes. [2018-09-15 13:06:35,793 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 13:06:35,853 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 13:06:35,854 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 13:06:35,854 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-15 13:06:35,854 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 13:06:35,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-15 13:06:35,855 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-15 13:06:35,855 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-15 13:06:35,855 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 7 states. [2018-09-15 13:06:36,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 13:06:36,107 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2018-09-15 13:06:36,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-15 13:06:36,108 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-15 13:06:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 13:06:36,109 INFO L225 Difference]: With dead ends: 71 [2018-09-15 13:06:36,109 INFO L226 Difference]: Without dead ends: 50 [2018-09-15 13:06:36,110 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-15 13:06:36,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-15 13:06:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38. [2018-09-15 13:06:36,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-09-15 13:06:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-09-15 13:06:36,119 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 30 [2018-09-15 13:06:36,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 13:06:36,120 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-09-15 13:06:36,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-15 13:06:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-09-15 13:06:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-15 13:06:36,121 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 13:06:36,122 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 13:06:36,122 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 13:06:36,122 INFO L82 PathProgramCache]: Analyzing trace with hash -238662692, now seen corresponding path program 1 times [2018-09-15 13:06:36,122 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 13:06:36,123 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 35 with the following transitions: [2018-09-15 13:06:36,123 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [18], [21], [23], [26], [30], [34], [36], [40], [41], [45], [48], [50], [52], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-15 13:06:36,125 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2018-09-15 13:06:36,125 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 13:06:36,161 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-15 13:06:36,161 INFO L272 AbstractInterpreter]: Visited 31 different actions 93 times. Merged at 12 different actions 48 times. Widened at 2 different actions 3 times. Found 5 fixpoints after 4 different actions. Largest state had 10 variables. [2018-09-15 13:06:36,169 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-15 13:06:36,191 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-15 13:06:36,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 01:06:36 BoogieIcfgContainer [2018-09-15 13:06:36,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 13:06:36,195 INFO L168 Benchmark]: Toolchain (without parser) took 2721.56 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:36,198 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:36,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:36,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:36,201 INFO L168 Benchmark]: Boogie Preprocessor took 33.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 13:06:36,202 INFO L168 Benchmark]: RCFGBuilder took 653.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:36,203 INFO L168 Benchmark]: TraceAbstraction took 1639.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2018-09-15 13:06:36,210 INFO L336 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 359.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 653.75 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 788.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -838.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1639.26 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 70.2 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L12] int array[5]; [L12] int array[5]; [L12] int array[5]; [L12] int array[5]; [L12] int array[5]; [L13] int n=5; [L31] int array[5],i; [L33] i=5 -1 [L33] COND TRUE i>=0 [L34] array[i]=i [L33] i-- [L33] i-- [L33] COND FALSE !(i>=0) [L36] CALL SelectionSort() [L17] int lh, rh, i, temp; [L19] lh = 0 [L19] COND TRUE lh < n [L20] rh = lh [L21] i = lh + 1 [L21] COND TRUE i < n [L22] COND TRUE array[i] < array[rh] [L22] rh = i [L21] i++ [L21] i++ [L21] COND FALSE !(i < n) [L23] temp = array[lh] [L24] array[lh] = array[rh] [L25] array[rh] = temp [L19] lh++ [L19] lh++ [L19] COND FALSE, RET !(lh < n) [L36] SelectionSort() [L38] i=0 [L38] COND TRUE i<5 [L39] CALL __VERIFIER_assert(array[i]==i) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. UNKNOWN Result, 1.5s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 114 SDtfs, 127 SDslu, 99 SDs, 0 SdLazy, 149 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.8962962962962961 AbsIntWeakeningRatio, 0.5111111111111111 AbsIntAvgWeakeningVarsNumRemoved, 0.35555555555555557 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 23 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_05_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_13-06-36-227.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_05_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_INT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_13-06-36-227.csv Received shutdown request...