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-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:54:38,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:54:38,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:54:38,414 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:54:38,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:54:38,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:54:38,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:54:38,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:54:38,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:54:38,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:54:38,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:54:38,431 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:54:38,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:54:38,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:54:38,435 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:54:38,438 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:54:38,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:54:38,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:54:38,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:54:38,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:54:38,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:54:38,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:54:38,462 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:54:38,462 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:54:38,463 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:54:38,464 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:54:38,465 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:54:38,465 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:54:38,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:54:38,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:54:38,467 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:54:38,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:54:38,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:54:38,468 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:54:38,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:54:38,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:54:38,470 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:54:38,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:54:38,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:54:38,481 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:54:38,481 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:54:38,482 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:54:38,482 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:54:38,482 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:54:38,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:54:38,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:54:38,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:54:38,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:54:38,552 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:54:38,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-07-25 13:54:38,553 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-07-25 13:54:38,613 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:54:38,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:54:38,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:54:38,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:54:38,616 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:54:38,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:54:38,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:54:38,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:54:38,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:54:38,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/1) ... [2018-07-25 13:54:38,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:54:38,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:54:38,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:54:38,695 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:54:38,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (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 13:54:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:54:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:54:39,047 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:54:39,048 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:54:39 BoogieIcfgContainer [2018-07-25 13:54:39,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:54:39,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:54:39,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:54:39,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:54:39,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:54:38" (1/2) ... [2018-07-25 13:54:39,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f945e9d and model type down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:54:39, skipping insertion in model container [2018-07-25 13:54:39,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:54:39" (2/2) ... [2018-07-25 13:54:39,058 INFO L112 eAbstractionObserver]: Analyzing ICFG down.i_4.bpl [2018-07-25 13:54:39,070 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:54:39,084 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:54:39,138 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:54:39,139 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:54:39,139 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:54:39,140 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:54:39,140 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:54:39,140 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:54:39,140 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:54:39,141 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:54:39,141 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:54:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-25 13:54:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:54:39,177 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:54:39,178 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-07-25 13:54:39,179 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:54:39,185 INFO L82 PathProgramCache]: Analyzing trace with hash 889539593, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:54:39,207 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:54:39,714 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:54:39,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-07-25 13:54:39,719 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:54:39,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:54:39,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:54:39,729 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2018-07-25 13:54:40,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:54:40,108 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2018-07-25 13:54:40,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:54:40,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-07-25 13:54:40,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:54:40,143 INFO L225 Difference]: With dead ends: 15 [2018-07-25 13:54:40,144 INFO L226 Difference]: Without dead ends: 12 [2018-07-25 13:54:40,156 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-07-25 13:54:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-25 13:54:40,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-07-25 13:54:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-25 13:54:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-07-25 13:54:40,217 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6 [2018-07-25 13:54:40,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:54:40,218 INFO L472 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-07-25 13:54:40,218 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:54:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-07-25 13:54:40,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 13:54:40,219 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:54:40,220 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-07-25 13:54:40,221 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:54:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash 148990213, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:54:40,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:54:40,679 WARN L169 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 14 [2018-07-25 13:54:41,064 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-07-25 13:54:41,676 WARN L169 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 13:55:41,701 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2018-07-25 13:56:18,952 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-07-25 13:57:13,725 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-07-25 13:57:49,666 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-07-25 13:58:31,232 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-07-25 13:58:31,705 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 Received shutdown request... [2018-07-25 13:59:09,244 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:59:09,244 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:59:09,250 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:59:09,251 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:59:09 BoogieIcfgContainer [2018-07-25 13:59:09,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:59:09,252 INFO L168 Benchmark]: Toolchain (without parser) took 270638.08 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.0 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 293.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:59:09,253 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. [2018-07-25 13:59:09,254 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.13 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 13:59:09,254 INFO L168 Benchmark]: Boogie Preprocessor took 28.21 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 13:59:09,255 INFO L168 Benchmark]: RCFGBuilder took 353.48 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. [2018-07-25 13:59:09,256 INFO L168 Benchmark]: TraceAbstraction took 270201.01 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 272.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. [2018-07-25 13:59:09,260 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 Procedure Inliner took 50.13 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 28.21 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 353.48 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 270201.01 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -216.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 272.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantifier-free) to 101 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 270.1s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 3 SDslu, 9 SDs, 0 SdLazy, 17 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 StatesRemovedByMinimization, 1 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/down.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-59-09-274.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-59-09-274.csv Completed graceful shutdown