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_4bitCounter-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:31,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:31,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:31,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:16:31,519 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 12:16:31,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:31,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:31,534 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:31,534 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:31,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:31,534 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:31,535 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:31,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:31,535 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:31,535 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:31,536 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:31,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:31,536 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:31,536 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:31,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:31,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:31,537 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:31,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:31,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:31,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:31,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:31,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:31,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:31,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:31,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:31,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:31,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:31,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:31,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:31,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:31,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:31,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:31,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:31,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:31,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:31,541 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:31,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:31,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:31,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:31,542 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:31,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:31,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:31,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:31,590 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:31,590 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:31,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl [2019-08-05 12:16:31,591 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-correct.bpl' [2019-08-05 12:16:31,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:31,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:31,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:31,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:31,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:31,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,660 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:16:31,660 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:16:31,660 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:16:31,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:31,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:31,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:31,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:31,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:31" (1/1) ... [2019-08-05 12:16:31,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:31,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:31,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:31,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:31,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_4bitCounter-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 12:16:31,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-05 12:16:31,762 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-05 12:16:31,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-05 12:16:32,072 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:16:32,072 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:32,074 INFO L202 PluginConnector]: Adding new model CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:32 BoogieIcfgContainer [2019-08-05 12:16:32,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:32,075 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:32,075 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:32,075 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:32,076 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CTR_4bitCounter-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:32" (1/1) ... [2019-08-05 12:16:32,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:32,241 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:32,263 INFO L272 AbstractInterpreter]: Visited 14 different actions 38 times. Merged at 7 different actions 12 times. Widened at 1 different actions 1 times. Performed 136 root evaluator evaluations with a maximum evaluation depth of 9. Performed 136 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 5 different actions. Largest state had 0 variables. [2019-08-05 12:16:32,263 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:32,267 INFO L168 Benchmark]: Toolchain (without parser) took 640.45 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 87.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,268 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,271 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 ms. Allocated memory is still 134.7 MB. Free memory was 105.5 MB in the beginning and 104.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,272 INFO L168 Benchmark]: RCFGBuilder took 386.22 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 95.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,273 INFO L168 Benchmark]: Abstract Interpretation took 188.59 ms. Allocated memory is still 134.7 MB. Free memory was 94.9 MB in the beginning and 87.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:32,279 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 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.28 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.82 ms. Allocated memory is still 134.7 MB. Free memory was 105.5 MB in the beginning and 104.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.22 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 95.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 188.59 ms. Allocated memory is still 134.7 MB. Free memory was 94.9 MB in the beginning and 87.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 29]: 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; [L11] COND TRUE x3 == 0 [L12] COND TRUE x0 == 0 [L12] x0 := 1; [L11] COND TRUE x3 == 0 [L12] COND FALSE !(x0 == 0) [L14] x0 := 0; [L15] COND TRUE x1 == 0 [L15] x1 := 1; [L11] COND TRUE x3 == 0 [L12] COND FALSE !(x0 == 0) [L14] x0 := 0; [L15] COND FALSE !(x1 == 0) [L17] x1 := 0; [L18] COND TRUE x2 == 0 [L18] x2 := 1; [L11] COND TRUE x3 == 0 [L12] COND TRUE x0 == 0 [L12] x0 := 1; [L11] COND TRUE x3 == 0 [L12] COND FALSE !(x0 == 0) [L14] x0 := 0; [L15] COND FALSE !(x1 == 0) [L17] x1 := 0; [L18] COND FALSE !(x2 == 0) [L20] x2 := 0; [L21] COND TRUE x3 == 0 [L21] x3 := 1; [L11] COND FALSE !(x3 == 0) [L29] assert x0 == 0 && x1 == 0 && x2 == 0 && x3 == 1; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...