java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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/matrix.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:47:45,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:47:45,993 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:47:46,009 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:47:46,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:47:46,012 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:47:46,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:47:46,017 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:47:46,020 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:47:46,021 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:47:46,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:47:46,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:47:46,031 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:47:46,032 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:47:46,033 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:47:46,036 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:47:46,037 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:47:46,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:47:46,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:47:46,046 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:47:46,047 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:47:46,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:47:46,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:47:46,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:47:46,054 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:47:46,056 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:47:46,057 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:47:46,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:47:46,058 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:47:46,062 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:47:46,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:47:46,063 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:47:46,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:47:46,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:47:46,065 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:47:46,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:47:46,068 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-07-25 14:47:46,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:47:46,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:47:46,085 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 14:47:46,085 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 14:47:46,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:47:46,086 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:47:46,086 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 14:47:46,086 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:47:46,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:47:46,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:47:46,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:47:46,165 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:47:46,166 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:47:46,167 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl [2018-07-25 14:47:46,167 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/matrix.i_4.bpl' [2018-07-25 14:47:46,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:47:46,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:47:46,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:47:46,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:47:46,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:47:46,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:47:46,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:47:46,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:47:46,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:47:46,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:47:46,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:47:46,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:47:46,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:47:46,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/1) ... [2018-07-25 14:47:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:47:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:47:46,551 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:47:46,552 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:47:46 BoogieIcfgContainer [2018-07-25 14:47:46,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:47:46,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:47:46,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:47:46,557 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:47:46,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:47:46" (1/2) ... [2018-07-25 14:47:46,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59471a94 and model type matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:47:46, skipping insertion in model container [2018-07-25 14:47:46,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:47:46" (2/2) ... [2018-07-25 14:47:46,561 INFO L112 eAbstractionObserver]: Analyzing ICFG matrix.i_4.bpl [2018-07-25 14:47:46,571 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:47:46,580 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:47:46,627 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:47:46,628 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:47:46,628 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:47:46,629 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:47:46,629 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:47:46,629 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:47:46,629 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:47:46,630 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:47:46,630 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:47:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-07-25 14:47:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:47:46,653 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:47:46,654 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:47:46,655 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:47:46,661 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 14:47:46,667 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:47:46,865 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:47:46,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:47:46,869 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:47:46,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:47:46,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:47:46,877 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2018-07-25 14:47:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:47:46,962 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2018-07-25 14:47:46,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:47:46,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:47:46,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:47:46,983 INFO L225 Difference]: With dead ends: 15 [2018-07-25 14:47:46,983 INFO L226 Difference]: Without dead ends: 9 [2018-07-25 14:47:46,988 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:47:47,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-25 14:47:47,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-25 14:47:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-25 14:47:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-25 14:47:47,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2018-07-25 14:47:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:47:47,030 INFO L472 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-25 14:47:47,030 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:47:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-25 14:47:47,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 14:47:47,031 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:47:47,032 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-25 14:47:47,032 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:47:47,032 INFO L82 PathProgramCache]: Analyzing trace with hash 209100445, now seen corresponding path program 1 times [2018-07-25 14:47:47,032 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:48:11,486 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2018-07-25 14:48:47,911 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-07-25 14:49:09,635 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2018-07-25 14:49:38,339 WARN L169 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-07-25 14:50:15,475 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-07-25 14:51:02,531 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2018-07-25 14:52:04,764 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 Received shutdown request... [2018-07-25 14:52:08,733 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:52:08,738 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:52:08,738 INFO L202 PluginConnector]: Adding new model matrix.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:52:08 BoogieIcfgContainer [2018-07-25 14:52:08,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:52:08,740 INFO L168 Benchmark]: Toolchain (without parser) took 262500.51 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -424.7 MB). Free memory was 1.4 GB in the beginning and 900.2 MB in the end (delta: 545.6 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:52:08,741 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-25 14:52:08,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.33 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. [2018-07-25 14:52:08,744 INFO L168 Benchmark]: Boogie Preprocessor took 25.51 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. [2018-07-25 14:52:08,745 INFO L168 Benchmark]: RCFGBuilder took 240.59 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. [2018-07-25 14:52:08,746 INFO L168 Benchmark]: TraceAbstraction took 262185.58 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -424.7 MB). Free memory was 1.4 GB in the beginning and 900.2 MB in the end (delta: 535.0 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. [2018-07-25 14:52:08,750 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 0.19 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 Procedure Inliner took 44.33 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 25.51 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 240.59 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. * TraceAbstraction took 262185.58 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -424.7 MB). Free memory was 1.4 GB in the beginning and 900.2 MB in the end (delta: 535.0 MB). Peak memory consumption was 110.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 48). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 57 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 262.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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/matrix.i_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-52-08-764.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/matrix.i_4.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-52-08-764.csv Completed graceful shutdown