java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:31,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:31,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:31,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:16:31,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:31,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:31,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:31,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:31,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:31,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:31,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:31,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:31,190 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:16:31,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:31,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:31,212 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:31,212 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:31,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:31,212 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:31,213 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:31,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:31,213 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:31,214 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:31,214 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:31,214 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:31,214 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:31,214 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:31,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:31,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:31,217 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:31,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:31,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:31,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:31,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:31,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:31,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:31,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:31,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:31,220 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:31,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:31,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:31,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:31,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:31,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:31,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:31,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:31,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:31,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:31,222 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:31,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:31,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:31,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:31,223 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:31,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:31,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:31,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:31,287 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:31,288 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:31,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl [2019-08-05 12:16:31,289 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_8bitCounter-correct.bpl' [2019-08-05 12:16:31,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:31,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:31,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:31,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:31,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:31,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,379 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:31,380 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:31,380 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:31,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:31,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:31,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:31,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:31,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:31,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:31,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:31,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:31,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:31,491 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-05 12:16:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-05 12:16:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-05 12:16:31,974 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:31,975 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:31,976 INFO L202 PluginConnector]: Adding new model CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:31 BoogieIcfgContainer [2019-08-05 12:16:31,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:31,977 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:31,978 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:31,978 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:31,984 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CTR_8bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:32,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:32,231 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:32,258 INFO L272 AbstractInterpreter]: Visited 22 different actions 98 times. Merged at 15 different actions 38 times. Widened at 5 different actions 5 times. Performed 442 root evaluator evaluations with a maximum evaluation depth of 17. Performed 442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 30 fixpoints after 9 different actions. Largest state had 0 variables. [2019-08-05 12:16:32,259 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:32,262 INFO L168 Benchmark]: Toolchain (without parser) took 919.91 ms. Allocated memory is still 135.8 MB. Free memory was 109.8 MB in the beginning and 84.9 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,264 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 135.8 MB. Free memory was 109.8 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,266 INFO L168 Benchmark]: Boogie Preprocessor took 31.64 ms. Allocated memory is still 135.8 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,268 INFO L168 Benchmark]: RCFGBuilder took 561.31 ms. Allocated memory is still 135.8 MB. Free memory was 106.6 MB in the beginning and 95.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,269 INFO L168 Benchmark]: Abstract Interpretation took 281.55 ms. Allocated memory is still 135.8 MB. Free memory was 95.6 MB in the beginning and 84.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,274 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 0.24 ms. Allocated memory is still 135.8 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.87 ms. Allocated memory is still 135.8 MB. Free memory was 109.8 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.64 ms. Allocated memory is still 135.8 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 561.31 ms. Allocated memory is still 135.8 MB. Free memory was 106.6 MB in the beginning and 95.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 281.55 ms. Allocated memory is still 135.8 MB. Free memory was 95.6 MB in the beginning and 84.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 49]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L6] x0 := 0; [L7] x1 := 0; [L8] x2 := 0; [L9] x3 := 0; [L10] x4 := 0; [L11] x5 := 0; [L12] x6 := 0; [L13] x7 := 0; [L15] COND TRUE x7 == 0 [L16] COND TRUE x0 == 0 [L16] x0 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND TRUE x1 == 0 [L19] x1 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND TRUE x2 == 0 [L22] x2 := 1; [L15] COND TRUE x7 == 0 [L16] COND TRUE x0 == 0 [L16] x0 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND FALSE !(x2 == 0) [L24] x2 := 0; [L25] COND TRUE x3 == 0 [L25] x3 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND FALSE !(x2 == 0) [L24] x2 := 0; [L25] COND FALSE !(x3 == 0) [L27] x3 := 0; [L28] COND TRUE x4 == 0 [L28] x4 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND FALSE !(x2 == 0) [L24] x2 := 0; [L25] COND FALSE !(x3 == 0) [L27] x3 := 0; [L28] COND FALSE !(x4 == 0) [L30] x4 := 0; [L31] COND TRUE x5 == 0 [L31] x5 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND FALSE !(x2 == 0) [L24] x2 := 0; [L25] COND FALSE !(x3 == 0) [L27] x3 := 0; [L28] COND FALSE !(x4 == 0) [L30] x4 := 0; [L31] COND FALSE !(x5 == 0) [L33] x5 := 0; [L34] COND TRUE x6 == 0 [L34] x6 := 1; [L15] COND TRUE x7 == 0 [L16] COND FALSE !(x0 == 0) [L18] x0 := 0; [L19] COND FALSE !(x1 == 0) [L21] x1 := 0; [L22] COND FALSE !(x2 == 0) [L24] x2 := 0; [L25] COND FALSE !(x3 == 0) [L27] x3 := 0; [L28] COND FALSE !(x4 == 0) [L30] x4 := 0; [L31] COND FALSE !(x5 == 0) [L33] x5 := 0; [L34] COND FALSE !(x6 == 0) [L36] x6 := 0; [L37] COND TRUE x7 == 0 [L37] x7 := 1; [L15] COND FALSE !(x7 == 0) [L49] assert x0 == 0 && x1 == 0 && x2 == 0 && x3 == 0 && x4 == 0 && x5 == 0 && x6 == 0 && x7 == 1; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...