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_CounterExp-4bit_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:27,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:27,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:27,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:27,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:27,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:27,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:27,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:27,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:27,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:27,322 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:27,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:27,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:27,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:27,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:27,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:27,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:27,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:27,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:27,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:27,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:27,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:27,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:27,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:27,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:27,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:27,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:27,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:27,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:27,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:27,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:27,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:27,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:27,347 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 12:16:27,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:27,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:27,360 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:27,361 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:27,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:27,361 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:27,361 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:27,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:27,362 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:27,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:27,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:27,363 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:27,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:27,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:27,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:27,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:27,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:27,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:27,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:27,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:27,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:27,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:27,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:27,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:27,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:27,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:27,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:27,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:27,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:27,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:27,367 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:27,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:27,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:27,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:27,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:27,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:27,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:27,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:27,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:27,418 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:27,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-4bit_incorrect.bpl [2019-08-05 12:16:27,419 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_CounterExp-4bit_incorrect.bpl' [2019-08-05 12:16:27,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:27,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:27,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:27,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:27,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:27,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,491 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:27,491 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:27,491 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:27,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:27,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:27,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:27,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:27,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:27,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:27,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:27,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:27,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:27" (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 12:16:27,600 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ThreeBitCounter given in one single declaration [2019-08-05 12:16:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure ThreeBitCounter [2019-08-05 12:16:27,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ThreeBitCounter [2019-08-05 12:16:27,857 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:27,857 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:27,864 INFO L202 PluginConnector]: Adding new model CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:27 BoogieIcfgContainer [2019-08-05 12:16:27,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:27,866 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:27,869 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:27,870 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:27,870 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CTR_CounterExp-4bit_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:27" (1/1) ... [2019-08-05 12:16:27,945 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:28,124 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:28,152 INFO L272 AbstractInterpreter]: Visited 20 different actions 100 times. Merged at 15 different actions 40 times. Widened at 2 different actions 2 times. Performed 427 root evaluator evaluations with a maximum evaluation depth of 4. Performed 427 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 29 fixpoints after 11 different actions. Largest state had 0 variables. [2019-08-05 12:16:28,153 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:28,156 INFO L168 Benchmark]: Toolchain (without parser) took 699.01 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 86.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:28,157 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:28,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.06 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 106.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:28,160 INFO L168 Benchmark]: Boogie Preprocessor took 29.98 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 104.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:28,161 INFO L168 Benchmark]: RCFGBuilder took 340.82 ms. Allocated memory is still 134.2 MB. Free memory was 104.7 MB in the beginning and 95.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:28,162 INFO L168 Benchmark]: Abstract Interpretation took 287.04 ms. Allocated memory is still 134.2 MB. Free memory was 94.6 MB in the beginning and 86.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:28,166 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 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.06 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 106.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.98 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 104.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.82 ms. Allocated memory is still 134.2 MB. Free memory was 104.7 MB in the beginning and 95.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 287.04 ms. Allocated memory is still 134.2 MB. Free memory was 94.6 MB in the beginning and 86.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 44]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L3] of := false; [L4] x0 := false; [L5] x1 := false; [L6] x2 := false; [L7] x3 := false; [L9] COND TRUE of == false [L10] COND FALSE !(x0 == true) [L14] x0 := true; [L16] COND FALSE !(of == true) [L25] COND FALSE !(of == true) [L34] COND FALSE !(of == true) [L9] COND TRUE of == false [L10] COND TRUE x0 == true [L11] x0 := true; [L12] of := true; [L16] COND TRUE of == true [L17] COND FALSE !(x1 == true) [L21] x1 := true; [L22] of := false; [L25] COND FALSE !(of == true) [L34] COND FALSE !(of == true) [L9] COND TRUE of == false [L10] COND TRUE x0 == true [L11] x0 := true; [L12] of := true; [L16] COND TRUE of == true [L17] COND TRUE x1 == true [L18] x1 := false; [L25] COND TRUE of == true [L26] COND FALSE !(x2 == true) [L30] x2 := true; [L31] of := false; [L34] COND FALSE !(of == true) [L9] COND TRUE of == false [L10] COND TRUE x0 == true [L11] x0 := true; [L12] of := true; [L16] COND TRUE of == true [L17] COND TRUE x1 == true [L18] x1 := false; [L25] COND TRUE of == true [L26] COND TRUE x2 == true [L27] x2 := false; [L34] COND TRUE of == true [L35] COND FALSE !(x3 == true) [L39] x3 := true; [L40] of := false; [L9] COND TRUE of == false [L10] COND TRUE x0 == true [L11] x0 := true; [L12] of := true; [L16] COND TRUE of == true [L17] COND TRUE x1 == true [L18] x1 := false; [L25] COND TRUE of == true [L26] COND TRUE x2 == true [L27] x2 := false; [L34] COND TRUE of == true [L35] COND TRUE x3 == true [L36] x3 := false; [L9] COND FALSE !(of == false) [L44] assert !x0 && !x1 && !x2 && !x3; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...