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/num_conversion_1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:21:57,399 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:21:57,403 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:21:57,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:21:57,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:21:57,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:21:57,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:21:57,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:21:57,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:21:57,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:21:57,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:21:57,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:21:57,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:21:57,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:21:57,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:21:57,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:21:57,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:21:57,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:21:57,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:21:57,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:21:57,439 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:21:57,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:21:57,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:21:57,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:21:57,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:21:57,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:21:57,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:21:57,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:21:57,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:21:57,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:21:57,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:21:57,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:21:57,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:21:57,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:21:57,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:21:57,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:21:57,451 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:21:57,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:21:57,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:21:57,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:21:57,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:21:57,464 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:21:57,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:21:57,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:21:57,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:21:57,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:21:57,534 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:21:57,534 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:21:57,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_1.i_3.bpl [2018-07-25 09:21:57,535 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_1.i_3.bpl' [2018-07-25 09:21:57,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:21:57,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:21:57,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:21:57,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:21:57,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:21:57,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:21:57,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:21:57,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:21:57,635 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:21:57,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/1) ... [2018-07-25 09:21:57,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:21:57,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:21:57,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:21:57,655 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:21:57,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (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 09:21:57,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:21:57,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:21:58,015 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:21:58,016 INFO L202 PluginConnector]: Adding new model num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:21:58 BoogieIcfgContainer [2018-07-25 09:21:58,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:21:58,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:21:58,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:21:58,024 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:21:58,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:21:57" (1/2) ... [2018-07-25 09:21:58,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520233c3 and model type num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:21:58, skipping insertion in model container [2018-07-25 09:21:58,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:21:58" (2/2) ... [2018-07-25 09:21:58,028 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1.i_3.bpl [2018-07-25 09:21:58,039 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:21:58,051 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:21:58,103 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:21:58,103 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:21:58,103 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:21:58,104 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:21:58,104 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:21:58,104 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:21:58,104 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:21:58,104 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:21:58,104 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:21:58,118 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:21:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:21:58,127 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:21:58,128 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:21:58,129 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:21:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 09:21:58,141 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:21:58,396 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:21:58,396 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:21:58,401 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:21:58,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:21:58,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:21:58,410 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 09:21:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:21:58,442 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:21:58,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:21:58,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:21:58,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:21:58,467 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:21:58,469 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:21:58,475 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:21:58,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:21:58,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:21:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:21:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:21:58,520 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:21:58,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:21:58,520 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:21:58,520 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:21:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:21:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:21:58,521 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:21:58,522 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:21:58,522 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:21:58,522 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 09:21:58,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:21:59,351 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-07-25 09:21:59,824 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-07-25 09:22:00,897 WARN L169 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-07-25 09:22:02,663 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-07-25 09:22:03,549 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-07-25 09:22:04,043 WARN L169 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-07-25 09:22:10,811 WARN L169 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 65 DAG size of output: 17 [2018-07-25 09:22:13,936 INFO L420 BasicCegarLoop]: Counterexample might be feasible [2018-07-25 09:22:13,952 INFO L202 PluginConnector]: Adding new model num_conversion_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:22:13 BoogieIcfgContainer [2018-07-25 09:22:13,953 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:22:13,954 INFO L168 Benchmark]: Toolchain (without parser) took 16360.21 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 6.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -19.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:22:13,955 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:22:13,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:22:13,957 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:22:13,959 INFO L168 Benchmark]: RCFGBuilder took 362.93 ms. Allocated memory is still 1.6 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 09:22:13,960 INFO L168 Benchmark]: TraceAbstraction took 15933.52 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 6.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -41.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 09:22:13,965 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 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.25 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 362.93 ms. Allocated memory is still 1.6 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 15933.52 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 6.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -41.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 45]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: overapproximation of shiftLeft at line 38, overapproximation of bitwiseAnd at line 39. Possible FailurePath: [L14] havoc main_#res; [L15] havoc main_~i~5, main_~bit~5, main_~x~4, main_~y~4, main_~c~4; [L16] havoc main_~x~4; [L17] havoc main_~y~4; [L18] havoc main_~c~4; [L19] main_~x~4 := 37; [L20] main_~y~4 := 0; [L21] main_~c~4 := 0; [L24] assume true; [L37] assume !!(main_~c~4 % 256 < 8); [L38] main_~i~5 := ~shiftLeft(1, main_~c~4 % 256); [L39] main_~bit~5 := ~bitwiseAnd(main_~x~4 % 256, main_~i~5 % 256); [L40] assume main_~bit~5 % 256 != 0; [L41] main_~y~4 := main_~y~4 % 256 + main_~i~5 % 256; [L42] main_~c~4 := main_~c~4 % 256 + 1; [L24] assume true; [L29] assume !(main_~c~4 % 256 < 8); [L30] __VERIFIER_assert_#in~cond := (if main_~x~4 % 256 == main_~y~4 % 256 then 1 else 0); [L31] havoc __VERIFIER_assert_~cond; [L32] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L33] assume __VERIFIER_assert_~cond == 0; [L34] assume !false; [L45] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 15.8s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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: 15.6s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_1.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-22-13-984.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_1.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-22-13-984.csv Received shutdown request...