java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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/verisec_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:11:54,027 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:11:54,030 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:11:54,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:11:54,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:11:54,045 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:11:54,048 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:11:54,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:11:54,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:11:54,056 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:11:54,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:11:54,064 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:11:54,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:11:54,069 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:11:54,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:11:54,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:11:54,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:11:54,078 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:11:54,080 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:11:54,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:11:54,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:11:54,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:11:54,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:11:54,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:11:54,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:11:54,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:11:54,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:11:54,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:11:54,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:11:54,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:11:54,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:11:54,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:11:54,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:11:54,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:11:54,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:11:54,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:11:54,102 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:11:54,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:11:54,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:11:54,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:11:54,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:11:54,115 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:11:54,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:11:54,115 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:11:54,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:11:54,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:11:54,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:11:54,186 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:11:54,186 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:11:54,187 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:11:54,187 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl' [2018-09-26 09:11:54,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:11:54,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:11:54,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:11:54,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:11:54,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:11:54,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:11:54,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:11:54,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:11:54,315 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:11:54,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/1) ... [2018-09-26 09:11:54,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:11:54,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:11:54,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:11:54,348 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:11:54,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (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 [2018-09-26 09:11:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:11:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:11:54,734 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:11:54,735 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:11:54 BoogieIcfgContainer [2018-09-26 09:11:54,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:11:54,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:11:54,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:11:54,741 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:11:54,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:11:54" (1/2) ... [2018-09-26 09:11:54,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aefdff5 and model type verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:11:54, skipping insertion in model container [2018-09-26 09:11:54,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:11:54" (2/2) ... [2018-09-26 09:11:54,746 INFO L112 eAbstractionObserver]: Analyzing ICFG verisec_NetBSD-libc__loop.i_2.bpl [2018-09-26 09:11:54,758 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:11:54,769 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:11:54,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:11:54,825 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:11:54,825 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:11:54,825 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:11:54,825 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:11:54,825 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:11:54,826 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:11:54,826 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:11:54,826 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:11:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:11:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:11:54,852 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:11:54,853 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:11:54,854 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:11:54,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:11:54,861 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, 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 [2018-09-26 09:11:54,886 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:11:55,239 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:11:55,240 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:11:55,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:11:55,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:11:55,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:11:55,256 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:11:55,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:11:55,386 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:11:55,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-26 09:11:55,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 09:11:55,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:11:55,399 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:11:55,399 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:11:55,403 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-26 09:11:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:11:55,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:11:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:11:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:11:55,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:11:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:11:55,435 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:11:55,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:11:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:11:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:11:55,436 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:11:55,436 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:11:55,437 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:11:55,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:11:55,437 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, 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 [2018-09-26 09:11:55,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:11:55,758 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-26 09:11:56,624 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 09:11:57,397 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-09-26 09:11:57,419 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:11:57 BoogieIcfgContainer [2018-09-26 09:11:57,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:11:57,420 INFO L168 Benchmark]: Toolchain (without parser) took 3155.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 161.2 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:11:57,422 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 09:11:57,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 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. [2018-09-26 09:11:57,423 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 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. [2018-09-26 09:11:57,424 INFO L168 Benchmark]: RCFGBuilder took 387.73 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. [2018-09-26 09:11:57,425 INFO L168 Benchmark]: TraceAbstraction took 2682.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:11:57,429 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 0.18 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 46.53 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 32.03 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 387.73 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 2682.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 140.1 MB). Peak memory consumption was 140.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: assertion can be violated assertion can be violated We found a FailurePath: [L33] #NULL.base, #NULL.offset := 0, 0; [L34] #valid := #valid[0 := 0]; [L35] ~tmp.base, ~tmp.offset := 0, 0; [L36] havoc main_#res; [L37] havoc main_#t~ret2, main_~#pathbuf~6.base, main_~#pathbuf~6.offset, main_~bound~6.base, main_~bound~6.offset; [L38] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L39] #Ultimate.alloc_~size := 8; [L40] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L41] havoc #valid, #length; [L42] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L43] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L44] assume #Ultimate.alloc_#res.offset == 0; [L45] assume #Ultimate.alloc_#res.base != 0; [L46] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L47] main_~#pathbuf~6.base, main_~#pathbuf~6.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L48] main_~bound~6.base, main_~bound~6.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset + 32 - 4; [L49] ~tmp.base, ~tmp.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset + 8 - 4; [L50] glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~6.base, main_~#pathbuf~6.offset, main_~bound~6.base, main_~bound~6.offset; [L51] havoc glob2_#res; [L52] havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~4.base, glob2_~p~4.offset; [L53] glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset; [L54] glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset; [L55] havoc glob2_~p~4.base, glob2_~p~4.offset; [L56] glob2_~p~4.base, glob2_~p~4.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; [L59] assume true; [L60] assume !!(glob2_~p~4.base == glob2_~pathlim.base && glob2_~p~4.offset <= glob2_~pathlim.offset); [L61] __VERIFIER_assert_#in~cond := (if glob2_~p~4.base == ~tmp.base && glob2_~p~4.offset <= ~tmp.offset then 1 else 0); [L62] havoc __VERIFIER_assert_~cond; [L63] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L68] assume !(__VERIFIER_assert_~cond == 0); [L69] write~int_old_#memory_int := #memory_int; [L70] write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 1, glob2_~p~4.base, glob2_~p~4.offset, 4; [L71] havoc #memory_int; [L72] assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value]; [L73] glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~4.base, glob2_~p~4.offset; [L74] glob2_~p~4.base, glob2_~p~4.offset := glob2_#t~post0.base, glob2_#t~post0.offset + 4; [L75] havoc glob2_#t~post0.base, glob2_#t~post0.offset; [L59] assume true; [L60] assume !!(glob2_~p~4.base == glob2_~pathlim.base && glob2_~p~4.offset <= glob2_~pathlim.offset); [L61] __VERIFIER_assert_#in~cond := (if glob2_~p~4.base == ~tmp.base && glob2_~p~4.offset <= ~tmp.offset then 1 else 0); [L62] havoc __VERIFIER_assert_~cond; [L63] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L78] assume __VERIFIER_assert_~cond == 0; [L79] assume !false; [L82] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s 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: 2.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/verisec_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-11-57-443.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/verisec_NetBSD-libc__loop.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-11-57-443.csv Received shutdown request...