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_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-69f5bdd-m [2018-09-19 08:01:02,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 08:01:02,690 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 08:01:02,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 08:01:02,703 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 08:01:02,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 08:01:02,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 08:01:02,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 08:01:02,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 08:01:02,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 08:01:02,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 08:01:02,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 08:01:02,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 08:01:02,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 08:01:02,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 08:01:02,715 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 08:01:02,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 08:01:02,718 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 08:01:02,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 08:01:02,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 08:01:02,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 08:01:02,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 08:01:02,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 08:01:02,738 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-19 08:01:02,755 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 08:01:02,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 08:01:02,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 08:01:02,757 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-19 08:01:02,757 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-19 08:01:02,757 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-19 08:01:02,757 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-19 08:01:02,758 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-19 08:01:02,758 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-19 08:01:02,758 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-19 08:01:02,758 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-19 08:01:02,758 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-09-19 08:01:02,759 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-19 08:01:02,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 08:01:02,760 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-19 08:01:02,760 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 08:01:02,760 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 08:01:02,760 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 08:01:02,760 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 08:01:02,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 08:01:02,761 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 08:01:02,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 08:01:02,761 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 08:01:02,762 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 08:01:02,762 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 08:01:02,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 08:01:02,762 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 08:01:02,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 08:01:02,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 08:01:02,763 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-19 08:01:02,763 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 08:01:02,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-19 08:01:02,763 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 08:01:02,763 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-19 08:01:02,764 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-19 08:01:02,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 08:01:02,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 08:01:02,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 08:01:02,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 08:01:02,855 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 08:01:02,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i [2018-09-19 08:01:03,210 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd61b0e3/c837d920300243b08fdd2f4fe27a21f6/FLAG8eb9b76da [2018-09-19 08:01:03,358 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 08:01:03,359 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/eureka_05_true-unreach-call_true-termination.i [2018-09-19 08:01:03,365 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd61b0e3/c837d920300243b08fdd2f4fe27a21f6/FLAG8eb9b76da [2018-09-19 08:01:03,380 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bd61b0e3/c837d920300243b08fdd2f4fe27a21f6 [2018-09-19 08:01:03,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 08:01:03,393 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-19 08:01:03,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:03,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 08:01:03,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 08:01:03,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ea9e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03, skipping insertion in model container [2018-09-19 08:01:03,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,420 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 08:01:03,637 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:03,661 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 08:01:03,670 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 08:01:03,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03 WrapperNode [2018-09-19 08:01:03,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 08:01:03,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:03,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-19 08:01:03,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-19 08:01:03,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-19 08:01:03,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 08:01:03,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 08:01:03,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 08:01:03,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (1/1) ... [2018-09-19 08:01:03,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 08:01:03,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 08:01:03,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 08:01:03,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 08:01:03,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (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 [2018-09-19 08:01:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 08:01:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 08:01:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 08:01:03,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 08:01:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-09-19 08:01:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-09-19 08:01:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 08:01:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 08:01:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 08:01:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 08:01:04,375 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 08:01:04,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:04 BoogieIcfgContainer [2018-09-19 08:01:04,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 08:01:04,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 08:01:04,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 08:01:04,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 08:01:04,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 08:01:03" (1/3) ... [2018-09-19 08:01:04,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5362f2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:04, skipping insertion in model container [2018-09-19 08:01:04,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 08:01:03" (2/3) ... [2018-09-19 08:01:04,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5362f2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 08:01:04, skipping insertion in model container [2018-09-19 08:01:04,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 08:01:04" (3/3) ... [2018-09-19 08:01:04,394 INFO L112 eAbstractionObserver]: Analyzing ICFG eureka_05_true-unreach-call_true-termination.i [2018-09-19 08:01:04,405 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 08:01:04,415 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 08:01:04,466 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 08:01:04,467 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 08:01:04,467 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 08:01:04,467 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 08:01:04,468 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 08:01:04,468 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 08:01:04,468 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 08:01:04,468 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 08:01:04,468 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 08:01:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-09-19 08:01:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-19 08:01:04,498 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:04,499 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 08:01:04,500 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash 163297510, now seen corresponding path program 1 times [2018-09-19 08:01:04,506 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:04,507 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-09-19 08:01:04,509 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [38], [40], [41], [54], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-19 08:01:04,561 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:04,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:04,611 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:01:04,613 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-09-19 08:01:04,631 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:01:04,681 INFO L232 lantSequenceWeakener]: Weakened 6 states. On average, predicates are now at 100% of their original sizes. [2018-09-19 08:01:04,682 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:01:04,686 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:01:04,688 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:01:04,689 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 08:01:04,689 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:01:04,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 08:01:04,703 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 08:01:04,703 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 08:01:04,707 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-09-19 08:01:04,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:01:04,740 INFO L93 Difference]: Finished difference Result 63 states and 81 transitions. [2018-09-19 08:01:04,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 08:01:04,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-09-19 08:01:04,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:01:04,753 INFO L225 Difference]: With dead ends: 63 [2018-09-19 08:01:04,753 INFO L226 Difference]: Without dead ends: 32 [2018-09-19 08:01:04,757 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 [2018-09-19 08:01:04,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-09-19 08:01:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-09-19 08:01:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-09-19 08:01:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-09-19 08:01:04,818 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2018-09-19 08:01:04,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:01:04,818 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-09-19 08:01:04,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 08:01:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-09-19 08:01:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-19 08:01:04,820 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:04,820 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] [2018-09-19 08:01:04,821 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:04,822 INFO L82 PathProgramCache]: Analyzing trace with hash -541222088, now seen corresponding path program 1 times [2018-09-19 08:01:04,822 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:04,822 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 22 with the following transitions: [2018-09-19 08:01:04,823 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [40], [41], [45], [48], [57], [61], [66], [74], [77], [79], [85], [86], [87], [89], [90], [91] [2018-09-19 08:01:04,828 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:04,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:04,837 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:01:04,837 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Never found a fixpoint. Largest state had 6 variables. [2018-09-19 08:01:04,866 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:01:04,886 INFO L232 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 54.17% of their original sizes. [2018-09-19 08:01:04,886 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:01:04,931 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:01:04,931 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:01:04,931 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-19 08:01:04,932 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:01:04,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-19 08:01:04,933 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-19 08:01:04,933 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-09-19 08:01:04,933 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 4 states. [2018-09-19 08:01:05,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:01:05,122 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-09-19 08:01:05,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-19 08:01:05,123 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-09-19 08:01:05,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:01:05,124 INFO L225 Difference]: With dead ends: 58 [2018-09-19 08:01:05,124 INFO L226 Difference]: Without dead ends: 35 [2018-09-19 08:01:05,128 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 [2018-09-19 08:01:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-09-19 08:01:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2018-09-19 08:01:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-09-19 08:01:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-09-19 08:01:05,147 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 21 [2018-09-19 08:01:05,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:01:05,148 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-09-19 08:01:05,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-19 08:01:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-09-19 08:01:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-19 08:01:05,150 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:05,150 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] [2018-09-19 08:01:05,150 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:05,152 INFO L82 PathProgramCache]: Analyzing trace with hash -2063291985, now seen corresponding path program 1 times [2018-09-19 08:01:05,152 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:05,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-09-19 08:01:05,152 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] [2018-09-19 08:01:05,159 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:05,159 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:05,190 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:01:05,190 INFO L272 AbstractInterpreter]: Visited 14 different actions 33 times. Merged at 3 different actions 14 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 8 variables. [2018-09-19 08:01:05,204 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:01:05,233 INFO L232 lantSequenceWeakener]: Weakened 11 states. On average, predicates are now at 45.45% of their original sizes. [2018-09-19 08:01:05,233 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:01:05,380 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:01:05,381 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:01:05,381 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 08:01:05,381 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:01:05,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 08:01:05,382 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 08:01:05,382 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 08:01:05,383 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 6 states. [2018-09-19 08:01:05,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:01:05,859 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2018-09-19 08:01:05,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 08:01:05,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-09-19 08:01:05,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:01:05,864 INFO L225 Difference]: With dead ends: 59 [2018-09-19 08:01:05,864 INFO L226 Difference]: Without dead ends: 46 [2018-09-19 08:01:05,865 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-19 08:01:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-09-19 08:01:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2018-09-19 08:01:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-09-19 08:01:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2018-09-19 08:01:05,879 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2018-09-19 08:01:05,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:01:05,880 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2018-09-19 08:01:05,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 08:01:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2018-09-19 08:01:05,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-19 08:01:05,881 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:05,882 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] [2018-09-19 08:01:05,882 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:05,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1077618875, now seen corresponding path program 1 times [2018-09-19 08:01:05,883 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:05,883 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 31 with the following transitions: [2018-09-19 08:01:05,883 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] [2018-09-19 08:01:05,886 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:05,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:05,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-19 08:01:05,897 INFO L272 AbstractInterpreter]: Visited 17 different actions 36 times. Merged at 3 different actions 14 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 9 variables. [2018-09-19 08:01:05,935 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-19 08:01:05,982 INFO L232 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 40.44% of their original sizes. [2018-09-19 08:01:05,983 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-19 08:01:06,117 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-19 08:01:06,117 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 08:01:06,117 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 08:01:06,118 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-19 08:01:06,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 08:01:06,119 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 08:01:06,119 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-19 08:01:06,120 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 7 states. [2018-09-19 08:01:06,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 08:01:06,469 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2018-09-19 08:01:06,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 08:01:06,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-19 08:01:06,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 08:01:06,472 INFO L225 Difference]: With dead ends: 71 [2018-09-19 08:01:06,473 INFO L226 Difference]: Without dead ends: 50 [2018-09-19 08:01:06,473 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-19 08:01:06,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-09-19 08:01:06,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38. [2018-09-19 08:01:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-09-19 08:01:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-09-19 08:01:06,483 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 30 [2018-09-19 08:01:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 08:01:06,484 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-09-19 08:01:06,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 08:01:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-09-19 08:01:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-19 08:01:06,485 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 08:01:06,485 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] [2018-09-19 08:01:06,486 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 08:01:06,486 INFO L82 PathProgramCache]: Analyzing trace with hash -238662692, now seen corresponding path program 1 times [2018-09-19 08:01:06,486 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-19 08:01:06,486 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 35 with the following transitions: [2018-09-19 08:01:06,487 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] [2018-09-19 08:01:06,489 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-19 08:01:06,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=1) [2018-09-19 08:01:06,585 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-09-19 08:01:06,585 INFO L272 AbstractInterpreter]: Visited 31 different actions 118 times. Merged at 12 different actions 66 times. Widened at 4 different actions 9 times. Found 10 fixpoints after 4 different actions. Largest state had 10 variables. [2018-09-19 08:01:06,626 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 08:01:06,647 WARN L209 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2018-09-19 08:01:06,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 08:01:06 BoogieIcfgContainer [2018-09-19 08:01:06,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 08:01:06,649 INFO L168 Benchmark]: Toolchain (without parser) took 3258.62 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -712.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:06,651 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-09-19 08:01:06,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.19 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. [2018-09-19 08:01:06,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.29 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. [2018-09-19 08:01:06,653 INFO L168 Benchmark]: Boogie Preprocessor took 38.12 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. [2018-09-19 08:01:06,654 INFO L168 Benchmark]: RCFGBuilder took 623.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:06,655 INFO L168 Benchmark]: TraceAbstraction took 2270.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 85.4 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2018-09-19 08:01:06,660 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 291.19 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 27.29 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 38.12 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 623.61 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 762.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2270.40 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 85.4 MB). Peak memory consumption was 85.4 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, 2.1s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 116 SDtfs, 131 SDslu, 99 SDs, 0 SdLazy, 149 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 90 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s 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, 0.4s AbstIntTime, 5 AbstIntIterations, 4 AbstIntStrong, 0.9589947089947088 AbsIntWeakeningRatio, 0.5111111111111111 AbsIntAvgWeakeningVarsNumRemoved, 3.433333333333333 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_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-19_08-01-06-673.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/eureka_05_true-unreach-call_true-termination.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-19_08-01-06-673.csv Received shutdown request...