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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:48:19,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:48:19,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:48:19,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:48:19,978 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:48:19,980 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:48:19,982 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:48:19,983 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:48:19,985 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:48:19,986 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:48:19,987 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:48:19,987 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:48:19,989 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:48:19,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:48:19,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:48:19,992 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:48:19,993 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:48:19,995 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:48:19,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:48:19,999 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:48:20,000 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:48:20,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:48:20,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:48:20,004 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:48:20,004 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:48:20,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:48:20,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:48:20,007 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:48:20,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:48:20,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:48:20,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:48:20,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:48:20,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:48:20,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:48:20,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:48:20,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:48:20,015 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:48:20,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:48:20,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:48:20,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:48:20,029 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:48:20,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:48:20,030 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:48:20,030 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:48:20,030 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:48:20,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:48:20,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:48:20,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:48:20,116 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:48:20,116 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:48:20,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:48:20,117 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/veris.c_NetBSD-libc__loop.i_2.bpl' [2018-09-26 09:48:20,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:48:20,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:48:20,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:48:20,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:48:20,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:48:20,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:48:20,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:48:20,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:48:20,230 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:48:20,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:48:20,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:48:20,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:48:20,261 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:48:20,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/1) ... [2018-09-26 09:48:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:48:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:48:20,606 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:48:20,607 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:48:20 BoogieIcfgContainer [2018-09-26 09:48:20,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:48:20,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:48:20,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:48:20,612 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:48:20,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:48:20" (1/2) ... [2018-09-26 09:48:20,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d3c78ba and model type veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:48:20, skipping insertion in model container [2018-09-26 09:48:20,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:48:20" (2/2) ... [2018-09-26 09:48:20,617 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:48:20,628 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:48:20,637 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:48:20,688 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:48:20,689 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:48:20,689 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:48:20,690 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:48:20,690 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:48:20,690 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:48:20,690 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:48:20,691 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:48:20,691 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:48:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:48:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:48:20,716 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:48:20,717 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:48:20,719 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:48:20,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:48:20,726 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-09-26 09:48:20,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:48:20,924 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:48:20,928 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:48:20,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:48:20,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:48:20,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:48:20,946 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:48:21,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:48:21,021 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:48:21,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 09:48:21,023 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 09:48:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:48:21,035 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:48:21,036 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:48:21,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:48:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:48:21,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:48:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:48:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:48:21,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:48:21,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:48:21,081 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:48:21,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:48:21,081 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:48:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:48:21,082 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:48:21,082 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:48:21,083 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:48:21,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:48:21,083 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-09-26 09:48:21,083 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Received shutdown request... [2018-09-26 09:52:44,487 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:52:44,492 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:52:44,492 INFO L202 PluginConnector]: Adding new model veris.c_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:52:44 BoogieIcfgContainer [2018-09-26 09:52:44,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:52:44,493 INFO L168 Benchmark]: Toolchain (without parser) took 264317.45 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -435.7 MB). Free memory was 1.5 GB in the beginning and 918.6 MB in the end (delta: 549.2 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:52:44,496 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 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. [2018-09-26 09:52:44,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.03 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. [2018-09-26 09:52:44,498 INFO L168 Benchmark]: Boogie Preprocessor took 30.86 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. [2018-09-26 09:52:44,499 INFO L168 Benchmark]: RCFGBuilder took 346.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:52:44,500 INFO L168 Benchmark]: TraceAbstraction took 263884.07 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -435.7 MB). Free memory was 1.5 GB in the beginning and 918.6 MB in the end (delta: 538.7 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2018-09-26 09:52:44,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 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. * Boogie Procedure Inliner took 49.03 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. * Boogie Preprocessor took 30.86 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. * RCFGBuilder took 346.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263884.07 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -435.7 MB). Free memory was 1.5 GB in the beginning and 918.6 MB in the end (delta: 538.7 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 96 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 263.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-52-44-518.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/veris.c_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-52-44-518.csv Completed graceful shutdown