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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:16:11,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:16:11,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:16:11,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:16:11,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:16:11,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:16:11,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:16:11,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:16:11,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:16:11,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:16:11,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:16:11,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:16:11,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:16:11,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:16:11,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:16:11,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:16:11,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:16:11,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:16:11,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:16:11,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:16:11,256 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:16:11,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:16:11,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:16:11,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:16:11,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:16:11,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:16:11,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:16:11,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:16:11,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:16:11,266 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:16:11,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:16:11,267 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:16:11,268 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:16:11,268 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:16:11,269 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:16:11,270 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:16:11,270 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:16:11,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:16:11,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:16:11,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:16:11,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:16:11,281 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:16:11,281 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:16:11,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:16:11,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:16:11,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:16:11,344 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:16:11,345 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:16:11,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-07-25 09:16:11,346 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-07-25 09:16:11,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:16:11,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:16:11,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:16:11,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:16:11,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:16:11,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:16:11,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:16:11,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:16:11,443 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:16:11,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/1) ... [2018-07-25 09:16:11,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:16:11,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:16:11,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:16:11,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:16:11,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (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 09:16:11,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:16:11,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:16:11,855 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:16:11,856 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:16:11 BoogieIcfgContainer [2018-07-25 09:16:11,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:16:11,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:16:11,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:16:11,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:16:11,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:16:11" (1/2) ... [2018-07-25 09:16:11,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690cc692 and model type fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:16:11, skipping insertion in model container [2018-07-25 09:16:11,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:16:11" (2/2) ... [2018-07-25 09:16:11,865 INFO L112 eAbstractionObserver]: Analyzing ICFG fragtest_simple.i_4.bpl [2018-07-25 09:16:11,876 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:16:11,886 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:16:11,938 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:16:11,939 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:16:11,939 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:16:11,939 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:16:11,940 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:16:11,940 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:16:11,940 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:16:11,940 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:16:11,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:16:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-25 09:16:11,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:16:11,967 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:16:11,968 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 09:16:11,970 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:16:11,976 INFO L82 PathProgramCache]: Analyzing trace with hash 889599113, now seen corresponding path program 1 times [2018-07-25 09:16:11,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:16:12,722 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:16:12,722 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-07-25 09:16:12,728 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 09:16:12,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 09:16:12,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-07-25 09:16:12,740 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2018-07-25 09:16:12,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:16:12,941 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2018-07-25 09:16:12,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 09:16:12,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-25 09:16:12,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:16:12,956 INFO L225 Difference]: With dead ends: 12 [2018-07-25 09:16:12,957 INFO L226 Difference]: Without dead ends: 9 [2018-07-25 09:16:12,961 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-07-25 09:16:12,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-25 09:16:12,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-25 09:16:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-25 09:16:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-07-25 09:16:13,000 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-07-25 09:16:13,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:16:13,000 INFO L472 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-07-25 09:16:13,000 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 09:16:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-07-25 09:16:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 09:16:13,001 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:16:13,001 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-25 09:16:13,002 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:16:13,002 INFO L82 PathProgramCache]: Analyzing trace with hash 206308035, now seen corresponding path program 1 times [2018-07-25 09:16:13,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:16:14,069 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-25 09:16:33,024 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-07-25 09:16:48,829 WARN L169 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2018-07-25 09:16:59,723 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-07-25 09:17:00,108 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2018-07-25 09:17:15,039 WARN L169 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-07-25 09:17:32,822 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-07-25 09:17:56,457 WARN L169 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-07-25 09:18:23,703 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-07-25 09:18:24,148 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-07-25 09:18:57,504 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-07-25 09:18:58,476 WARN L169 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-07-25 09:19:38,346 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-07-25 09:19:38,902 WARN L169 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2018-07-25 09:20:27,295 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-07-25 09:20:28,209 WARN L169 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 Received shutdown request... [2018-07-25 09:20:42,620 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:20:42,624 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:20:42,624 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:20:42 BoogieIcfgContainer [2018-07-25 09:20:42,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:20:42,625 INFO L168 Benchmark]: Toolchain (without parser) took 271230.90 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -172.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 429.4 MB). Peak memory consumption was 257.4 MB. Max. memory is 7.1 GB. [2018-07-25 09:20:42,627 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 09:20:42,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.88 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 09:20:42,628 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 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 09:20:42,628 INFO L168 Benchmark]: RCFGBuilder took 385.50 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:20:42,629 INFO L168 Benchmark]: TraceAbstraction took 270766.93 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -172.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 408.2 MB). Peak memory consumption was 236.3 MB. Max. memory is 7.1 GB. [2018-07-25 09:20:42,634 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 0.20 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 45.88 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 27.23 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 385.50 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 270766.93 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -172.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 408.2 MB). Peak memory consumption was 236.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 75). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 124 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 270.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 3 SDslu, 10 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s 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: 0.7s 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/fragtest_simple.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-20-42-647.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/fragtest_simple.i_4.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-20-42-647.csv Completed graceful shutdown