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/loopAcceleration/loopAccelerationAbstractPathConditions.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:20:13,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:20:13,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:20:13,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:20:13,124 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 12:20:13,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:20:13,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:20:13,140 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:20:13,141 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:20:13,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:20:13,141 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:20:13,141 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:20:13,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:20:13,142 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:20:13,142 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:20:13,144 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:20:13,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:20:13,145 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:20:13,145 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:20:13,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:20:13,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:20:13,148 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:20:13,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:20:13,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:20:13,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:20:13,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:20:13,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:20:13,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:20:13,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:20:13,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:20:13,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:20:13,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:20:13,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:20:13,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:20:13,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:20:13,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:20:13,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:20:13,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:20:13,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:20:13,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:20:13,153 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:20:13,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:20:13,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:20:13,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:20:13,154 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:20:13,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:20:13,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:20:13,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:20:13,220 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:20:13,220 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:20:13,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl [2019-08-05 12:20:13,221 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationAbstractPathConditions.bpl' [2019-08-05 12:20:13,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:20:13,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:20:13,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:13,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:20:13,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:20:13,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,301 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:20:13,301 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:20:13,302 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:20:13,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:13,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:20:13,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:20:13,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:20:13,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:20:13,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:20:13,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:20:13,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:20:13,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:13" (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 12:20:13,400 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:20:13,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:20:13,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:20:13,705 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:20:13,706 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:20:13,707 INFO L202 PluginConnector]: Adding new model loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:13 BoogieIcfgContainer [2019-08-05 12:20:13,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:20:13,708 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:20:13,709 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:20:13,709 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:20:13,710 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loopAccelerationAbstractPathConditions.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:13" (1/1) ... [2019-08-05 12:20:13,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:20:13,869 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:20:13,892 INFO L272 AbstractInterpreter]: Visited 11 different actions 36 times. Merged at 9 different actions 17 times. Never widened. Performed 114 root evaluator evaluations with a maximum evaluation depth of 3. Performed 114 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:20:13,893 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:20:13,897 INFO L168 Benchmark]: Toolchain (without parser) took 635.11 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 85.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:13,898 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:20:13,899 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 103.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:13,901 INFO L168 Benchmark]: Boogie Preprocessor took 27.33 ms. Allocated memory is still 139.5 MB. Free memory was 103.5 MB in the beginning and 102.6 MB in the end (delta: 909.9 kB). Peak memory consumption was 909.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:20:13,902 INFO L168 Benchmark]: RCFGBuilder took 375.42 ms. Allocated memory is still 139.5 MB. Free memory was 102.1 MB in the beginning and 93.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:13,903 INFO L168 Benchmark]: Abstract Interpretation took 184.28 ms. Allocated memory is still 139.5 MB. Free memory was 93.1 MB in the beginning and 85.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:13,908 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 0.17 ms. Allocated memory is still 139.5 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 103.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.33 ms. Allocated memory is still 139.5 MB. Free memory was 103.5 MB in the beginning and 102.6 MB in the end (delta: 909.9 kB). Peak memory consumption was 909.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 375.42 ms. Allocated memory is still 139.5 MB. Free memory was 102.1 MB in the beginning and 93.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 184.28 ms. Allocated memory is still 139.5 MB. Free memory was 93.1 MB in the beginning and 85.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 27]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] k := 0; [L18] i := 3; [L19] n := 20; [L20] COND TRUE i < n [L21] COND TRUE a[i] == 1 [L22] k := k + 1; [L24] i := i + 1; [L20] COND TRUE i < n [L21] COND TRUE a[i] == 1 [L22] k := k + 1; [L24] i := i + 1; [L20] COND FALSE !(i < n) [L26] COND TRUE k > 12 [L27] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...