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/toy/4BitCounter-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:46,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:46,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:47,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:47,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:47,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:47,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:47,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:47,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:47,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:47,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:47,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:47,051 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 12:15:47,069 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:47,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:47,070 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:47,071 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:47,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:47,071 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:47,071 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:47,072 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:47,072 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:47,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:47,072 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:47,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:47,073 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:47,073 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:47,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:47,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:47,074 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:47,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:47,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:47,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:47,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:47,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:47,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:47,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:47,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:47,078 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:47,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:47,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:47,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:47,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:47,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:47,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:47,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:47,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:47,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:47,080 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:47,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:47,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:47,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:47,081 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:47,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:47,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:47,144 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:47,146 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:47,147 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:47,147 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/4BitCounter-incorrect.bpl [2019-08-05 12:15:47,148 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/4BitCounter-incorrect.bpl' [2019-08-05 12:15:47,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:47,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:47,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:47,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:47,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:47,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,222 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:47,223 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:47,223 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:47,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:47,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:47,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:47,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:47,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:47,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:47,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:47,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:47,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:47" (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 12:15:47,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure FourBitCounter given in one single declaration [2019-08-05 12:15:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure FourBitCounter [2019-08-05 12:15:47,328 INFO L138 BoogieDeclarations]: Found implementation of procedure FourBitCounter [2019-08-05 12:15:47,578 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:47,578 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:47,579 INFO L202 PluginConnector]: Adding new model 4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:47 BoogieIcfgContainer [2019-08-05 12:15:47,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:47,580 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:47,580 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:47,581 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:47,581 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "4BitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:47" (1/1) ... [2019-08-05 12:15:47,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:47,729 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:47,751 INFO L272 AbstractInterpreter]: Visited 13 different actions 37 times. Merged at 7 different actions 12 times. Widened at 1 different actions 1 times. Performed 135 root evaluator evaluations with a maximum evaluation depth of 3. Performed 135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 5 different actions. Largest state had 0 variables. [2019-08-05 12:15:47,751 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:47,755 INFO L168 Benchmark]: Toolchain (without parser) took 566.99 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 88.6 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:47,756 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:47,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.90 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:47,758 INFO L168 Benchmark]: Boogie Preprocessor took 28.21 ms. Allocated memory is still 142.6 MB. Free memory was 106.4 MB in the beginning and 105.5 MB in the end (delta: 872.5 kB). Peak memory consumption was 872.5 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:47,761 INFO L168 Benchmark]: RCFGBuilder took 323.88 ms. Allocated memory is still 142.6 MB. Free memory was 105.5 MB in the beginning and 96.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:47,763 INFO L168 Benchmark]: Abstract Interpretation took 171.43 ms. Allocated memory is still 142.6 MB. Free memory was 96.0 MB in the beginning and 88.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:47,771 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 142.6 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.90 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 106.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.21 ms. Allocated memory is still 142.6 MB. Free memory was 106.4 MB in the beginning and 105.5 MB in the end (delta: 872.5 kB). Peak memory consumption was 872.5 kB. Max. memory is 7.1 GB. * RCFGBuilder took 323.88 ms. Allocated memory is still 142.6 MB. Free memory was 105.5 MB in the beginning and 96.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 171.43 ms. Allocated memory is still 142.6 MB. Free memory was 96.0 MB in the beginning and 88.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 56]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L27] x0 := 0; [L28] x1 := 0; [L29] x2 := 0; [L30] x3 := 0; [L32] COND TRUE x3 == 0 [L34] COND TRUE x0 == 0 [L34] x0 := 1; [L32] COND TRUE x3 == 0 [L34] COND FALSE !(x0 == 0) [L37] x0 := 0; [L38] COND TRUE x1 == 0 [L38] x1 := 1; [L32] COND TRUE x3 == 0 [L34] COND FALSE !(x0 == 0) [L37] x0 := 0; [L38] COND FALSE !(x1 == 0) [L41] x1 := 0; [L42] COND TRUE x2 == 0 [L42] x2 := 1; [L32] COND TRUE x3 == 0 [L34] COND TRUE x0 == 0 [L34] x0 := 1; [L32] COND TRUE x3 == 0 [L34] COND FALSE !(x0 == 0) [L37] x0 := 0; [L38] COND FALSE !(x1 == 0) [L41] x1 := 0; [L42] COND FALSE !(x2 == 0) [L45] x2 := 0; [L46] COND TRUE x3 == 0 [L46] x3 := 1; [L32] COND FALSE !(x3 == 0) [L56] assert x3 == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...