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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:35:35,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:35:35,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:35:35,939 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:35:35,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:35:35,940 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:35:35,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:35:35,947 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:35:35,949 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:35:35,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:35:35,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:35:35,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:35:35,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:35:35,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:35:35,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:35:35,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:35:35,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:35:35,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:35:35,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:35:35,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:35:35,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:35:35,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:35:35,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:35:35,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:35:35,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:35:35,994 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:35:35,996 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:35:35,997 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:35:35,998 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:35:36,002 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:35:36,002 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:35:36,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:35:36,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:35:36,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:35:36,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:35:36,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:35:36,008 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:35:36,023 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:35:36,024 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:35:36,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:35:36,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:35:36,026 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:35:36,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:35:36,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:35:36,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:35:36,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:35:36,123 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:35:36,123 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:35:36,124 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl [2018-07-25 09:35:36,124 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl' [2018-07-25 09:35:36,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:35:36,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:35:36,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:35:36,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:35:36,199 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:35:36,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:35:36,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:35:36,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:35:36,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:35:36,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/1) ... [2018-07-25 09:35:36,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:35:36,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:35:36,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:35:36,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:35:36,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (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 [2018-07-25 09:35:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:35:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:35:36,502 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:35:36,503 INFO L202 PluginConnector]: Adding new model string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:35:36 BoogieIcfgContainer [2018-07-25 09:35:36,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:35:36,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:35:36,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:35:36,508 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:35:36,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:35:36" (1/2) ... [2018-07-25 09:35:36,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510e8a7 and model type string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:35:36, skipping insertion in model container [2018-07-25 09:35:36,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:35:36" (2/2) ... [2018-07-25 09:35:36,512 INFO L112 eAbstractionObserver]: Analyzing ICFG string_concat-noarr.i_3.bpl [2018-07-25 09:35:36,523 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:35:36,532 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:35:36,587 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:35:36,588 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:35:36,588 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:35:36,588 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:35:36,589 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:35:36,589 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:35:36,589 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:35:36,589 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:35:36,590 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:35:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:35:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:35:36,619 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:35:36,620 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:35:36,621 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:35:36,626 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-07-25 09:35:36,632 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:35:36,836 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-07-25 09:35:37,119 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:35:37,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 09:35:37,124 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 09:35:37,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 09:35:37,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:35:37,133 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 09:35:37,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:35:37,202 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:35:37,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:35:37,204 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 09:35:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:35:37,217 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:35:37,217 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:35:37,221 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-07-25 09:35:37,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:35:37,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:35:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:35:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:35:37,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:35:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:35:37,257 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:35:37,257 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 09:35:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:35:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:35:37,258 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:35:37,258 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:35:37,259 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:35:37,259 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-07-25 09:35:37,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:35:38,070 WARN L169 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-07-25 09:35:39,447 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-07-25 09:35:40,813 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-07-25 09:35:43,331 WARN L169 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2018-07-25 09:35:47,897 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2018-07-25 09:35:57,217 WARN L169 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-07-25 09:36:02,196 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-07-25 09:36:08,352 WARN L169 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2018-07-25 09:36:15,914 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2018-07-25 09:36:25,408 WARN L169 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2018-07-25 09:36:36,783 WARN L169 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2018-07-25 09:36:50,452 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2018-07-25 09:37:07,070 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2018-07-25 09:37:26,632 WARN L169 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2018-07-25 09:37:49,913 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2018-07-25 09:38:16,697 WARN L169 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2018-07-25 09:38:47,738 WARN L169 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-07-25 09:39:23,562 WARN L169 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2018-07-25 09:40:05,101 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 Received shutdown request... [2018-07-25 09:40:09,806 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:40:09,812 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:40:09,812 INFO L202 PluginConnector]: Adding new model string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:40:09 BoogieIcfgContainer [2018-07-25 09:40:09,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:40:09,813 INFO L168 Benchmark]: Toolchain (without parser) took 273616.40 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -192.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 215.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:09,815 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 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. [2018-07-25 09:40:09,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.96 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. [2018-07-25 09:40:09,816 INFO L168 Benchmark]: Boogie Preprocessor took 22.50 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. [2018-07-25 09:40:09,816 INFO L168 Benchmark]: RCFGBuilder took 242.15 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:09,818 INFO L168 Benchmark]: TraceAbstraction took 273308.34 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -192.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:40:09,822 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 0.26 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 38.96 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 22.50 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 242.15 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 273308.34 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -192.4 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 53). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 81 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 273.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s 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: 0.4s 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/string_concat-noarr.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-40-09-834.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/string_concat-noarr.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-40-09-834.csv Completed graceful shutdown