java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/Backtranslation/regression/bpl/Pointer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:16,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:16,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:16,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:16,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:16,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:16,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:16,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:16,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:16,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:16,347 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:16,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:16,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:16,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:16,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:16,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:16,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:16,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:16,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:16,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:16,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:16,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:16,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:16,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:16,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:16,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:16,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:16,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:16,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:16,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:16,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:16,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:16,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:16,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:16,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:16,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:16,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:16,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:16,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:16,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:16,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:16,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:16,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:16,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:16,449 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:16,449 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:16,450 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/Pointer.bpl [2019-08-05 09:52:16,451 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/Pointer.bpl' [2019-08-05 09:52:16,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:16,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:16,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:16,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:16,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:16,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:16,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:16,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:16,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:16,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/1) ... [2019-08-05 09:52:16,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:16,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:16,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:16,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:16,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (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 [2019-08-05 09:52:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-05 09:52:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure ~free [2019-08-05 09:52:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure assert_fail [2019-08-05 09:52:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-05 09:52:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-05 09:52:17,103 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:17,103 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-05 09:52:17,104 INFO L202 PluginConnector]: Adding new model Pointer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:17 BoogieIcfgContainer [2019-08-05 09:52:17,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:17,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:17,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:17,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:17,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Pointer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:16" (1/2) ... [2019-08-05 09:52:17,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d1e1a6 and model type Pointer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:17, skipping insertion in model container [2019-08-05 09:52:17,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Pointer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:17" (2/2) ... [2019-08-05 09:52:17,113 INFO L109 eAbstractionObserver]: Analyzing ICFG Pointer.bpl [2019-08-05 09:52:17,124 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:17,139 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:17,165 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:17,195 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:17,195 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:17,195 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:17,196 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:17,196 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:17,196 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:17,196 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:17,196 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:17,197 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 09:52:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 09:52:17,216 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:17,217 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 09:52:17,219 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:17,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash 48216, now seen corresponding path program 1 times [2019-08-05 09:52:17,293 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 09:52:17,385 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 09:52:17,405 INFO L202 PluginConnector]: Adding new model Pointer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:17 BoogieIcfgContainer [2019-08-05 09:52:17,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:17,408 INFO L168 Benchmark]: Toolchain (without parser) took 911.13 ms. Allocated memory is still 133.7 MB. Free memory was 111.1 MB in the beginning and 82.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,409 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 133.7 MB. Free memory was 110.9 MB in the beginning and 108.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,412 INFO L168 Benchmark]: Boogie Preprocessor took 23.61 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 107.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,413 INFO L168 Benchmark]: RCFGBuilder took 530.92 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 94.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,414 INFO L168 Benchmark]: TraceAbstraction took 299.06 ms. Allocated memory is still 133.7 MB. Free memory was 94.6 MB in the beginning and 82.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:17,419 INFO L335 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 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 133.7 MB. Free memory was 110.9 MB in the beginning and 108.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.61 ms. Allocated memory is still 133.7 MB. Free memory was 108.8 MB in the beginning and 107.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 530.92 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 94.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 299.06 ms. Allocated memory is still 133.7 MB. Free memory was 94.6 MB in the beginning and 82.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 31]: assertion can be violated assertion can be violated We found a FailurePath: [L42] #NULL := { base: 0, offset: 0 }; [L43] #valid[0] := false; [L8] FCALL call ~#a~4 := ~malloc(4); [L9] havoc ~p1~4; [L10] ~p1~4 := ~#a~4; [L11] FCALL call write~int(5, ~#a~4, 4); [L12] FCALL call #t~mem1 := read~int(~#a~4, 4); [L13] #t~post2 := #t~mem1; [L14] FCALL call write~int(#t~post2 - 1, ~#a~4, 4); [L15] havoc #t~post2; [L16] havoc #t~mem1; [L17] FCALL call #t~mem3 := read~int(~p1~4, 4); VAL [#NULL!base=0, #NULL!offset=0] [L18] COND TRUE #t~mem3 == 4 [L19] havoc #t~mem3; [L20] FCALL call assert_fail(); VAL [#NULL!base=0, #NULL!offset=0] [L31] assert false; VAL [#NULL!base=0, #NULL!offset=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...