java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:49:28,584 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:49:28,586 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:49:28,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:49:28,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:49:28,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:49:28,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:49:28,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:49:28,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:49:28,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:49:28,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:49:28,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:49:28,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:49:28,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:49:28,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:49:28,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:49:28,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:49:28,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:49:28,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:49:28,627 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:49:28,628 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:49:28,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:49:28,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:49:28,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:49:28,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:49:28,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:49:28,641 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:49:28,642 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:49:28,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:49:28,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:49:28,649 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:49:28,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:49:28,650 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:49:28,650 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:49:28,651 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:49:28,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:49:28,652 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:49:28,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:49:28,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:49:28,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:49:28,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:49:28,668 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:49:28,668 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:49:28,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:49:28,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:49:28,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:49:28,758 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:49:28,759 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:49:28,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl [2018-07-23 15:49:28,760 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl' [2018-07-23 15:49:28,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:49:28,805 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:49:28,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:49:28,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:49:28,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:49:28,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... [2018-07-23 15:49:28,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:49:28,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:49:28,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:49:28,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:49:28,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-23 15:49:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:49:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:49:29,102 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:49:29,103 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:49:29 BoogieIcfgContainer [2018-07-23 15:49:29,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:49:29,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:49:29,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:49:29,108 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:49:29,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:49:28" (1/2) ... [2018-07-23 15:49:29,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61321149 and model type afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:49:29, skipping insertion in model container [2018-07-23 15:49:29,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:49:29" (2/2) ... [2018-07-23 15:49:29,111 INFO L112 eAbstractionObserver]: Analyzing ICFG afnp2014.c.i_3.bpl [2018-07-23 15:49:29,121 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:49:29,129 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:49:29,177 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:49:29,178 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:49:29,179 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:49:29,179 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:49:29,179 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:49:29,179 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:49:29,179 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:49:29,180 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:49:29,180 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:49:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:49:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:49:29,204 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:49:29,205 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:49:29,205 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:49:29,211 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-07-23 15:49:29,218 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:49:29,795 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:49:29,796 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:49:29,801 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:49:29,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:49:29,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:49:29,811 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 15:49:30,075 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-07-23 15:49:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:49:30,199 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:49:30,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:49:30,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 15:49:30,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:49:30,213 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:49:30,214 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:49:30,217 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 15:49:30,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:49:30,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:49:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:49:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:49:30,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:49:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:49:30,258 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:49:30,258 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:49:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:49:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:49:30,258 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:49:30,259 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:49:30,259 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:49:30,259 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-07-23 15:49:30,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:49:31,719 WARN L169 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-07-23 15:49:32,343 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-07-23 15:49:33,209 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 78 [2018-07-23 15:49:36,162 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 102 [2018-07-23 15:49:46,682 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 126 [2018-07-23 15:49:57,321 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-23 15:50:06,453 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2018-07-23 15:50:16,738 WARN L169 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 150 [2018-07-23 15:50:42,835 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-23 15:51:00,854 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2018-07-23 15:51:22,502 WARN L169 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 174 [2018-07-23 15:52:17,699 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-07-23 15:52:53,354 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2018-07-23 15:53:34,611 WARN L169 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 Received shutdown request... [2018-07-23 15:54:09,474 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:54:09,478 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:54:09,479 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:54:09 BoogieIcfgContainer [2018-07-23 15:54:09,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:54:09,480 INFO L168 Benchmark]: Toolchain (without parser) took 280676.27 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -191.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 249.4 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. [2018-07-23 15:54:09,481 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-23 15:54:09,482 INFO L168 Benchmark]: Boogie Preprocessor took 45.52 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. [2018-07-23 15:54:09,483 INFO L168 Benchmark]: RCFGBuilder took 251.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 15:54:09,484 INFO L168 Benchmark]: TraceAbstraction took 280375.17 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -191.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 228.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2018-07-23 15:54:09,488 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.52 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 251.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280375.17 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -191.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 228.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 43). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 84 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 280.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s 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: 0.5s 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/afnp2014.c.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-54-09-499.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/afnp2014.c.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-54-09-499.csv Completed graceful shutdown