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/loopAccelerationWerner/twoLoopsSameVars.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:20:11,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:20:11,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:20:11,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:20:11,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:20:11,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:20:11,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:20:11,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:20:11,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:20:11,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:20:11,876 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:20:11,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:20:11,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:20:11,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:20:11,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:20:11,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:20:11,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:20:11,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:20:11,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:20:11,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:20:11,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:20:11,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:20:11,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:20:11,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:20:11,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:20:11,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:20:11,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:20:11,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:20:11,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:20:11,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:20:11,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:20:11,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:20:11,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:20:11,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:20:11,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:20:11,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:20:11,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:20:11,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:20:11,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:20:11,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:20:11,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:20:11,904 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 12:20:11,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:20:11,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:20:11,919 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:20:11,919 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:20:11,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:20:11,919 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:20:11,919 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:20:11,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:20:11,920 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:20:11,920 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:20:11,920 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:20:11,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:20:11,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:20:11,921 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:20:11,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:20:11,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:20:11,922 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:20:11,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:20:11,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:20:11,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:20:11,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:20:11,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:20:11,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:20:11,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:20:11,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:20:11,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:20:11,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:20:11,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:20:11,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:20:11,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:20:11,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:20:11,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:20:11,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:20:11,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:20:11,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:20:11,926 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:20:11,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:20:11,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:20:11,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:20:11,927 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:20:11,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:20:11,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:20:11,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:20:11,981 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:20:11,981 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:20:11,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl [2019-08-05 12:20:11,982 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/loopAcceleration/loopAccelerationWerner/twoLoopsSameVars.bpl' [2019-08-05 12:20:12,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:20:12,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:20:12,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:12,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:20:12,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:20:12,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,056 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:20:12,056 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:20:12,056 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:20:12,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:12,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:20:12,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:20:12,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:20:12,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:20:12,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:20:12,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:20:12,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:20:12,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:12" (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 12:20:12,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:20:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:20:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:20:12,406 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:20:12,406 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:20:12,408 INFO L202 PluginConnector]: Adding new model twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:12 BoogieIcfgContainer [2019-08-05 12:20:12,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:20:12,409 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:20:12,409 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:20:12,409 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:20:12,410 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "twoLoopsSameVars.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:12" (1/1) ... [2019-08-05 12:20:12,436 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:20:12,534 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:20:12,554 INFO L272 AbstractInterpreter]: Visited 10 different actions 22 times. Merged at 2 different actions 6 times. Never widened. Performed 74 root evaluator evaluations with a maximum evaluation depth of 3. Performed 74 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:20:12,554 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:20:12,558 INFO L168 Benchmark]: Toolchain (without parser) took 538.09 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 88.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,559 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 105.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,562 INFO L168 Benchmark]: Boogie Preprocessor took 24.43 ms. Allocated memory is still 141.0 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,563 INFO L168 Benchmark]: RCFGBuilder took 324.26 ms. Allocated memory is still 141.0 MB. Free memory was 104.0 MB in the beginning and 95.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,564 INFO L168 Benchmark]: Abstract Interpretation took 145.72 ms. Allocated memory is still 141.0 MB. Free memory was 95.0 MB in the beginning and 88.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:12,569 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 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 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 39.45 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 105.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.43 ms. Allocated memory is still 141.0 MB. Free memory was 105.1 MB in the beginning and 104.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.26 ms. Allocated memory is still 141.0 MB. Free memory was 104.0 MB in the beginning and 95.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 145.72 ms. Allocated memory is still 141.0 MB. Free memory was 95.0 MB in the beginning and 88.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 16]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L11] x := 0; [L13] COND TRUE x < 5000 [L14] x := x + 1; [L13] COND TRUE x < 5000 [L14] x := x + 1; [L13] COND FALSE !(x < 5000) [L16] assert x == 5000; - UnprovableResult [Line: 21]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L11] x := 0; [L13] COND TRUE x < 5000 [L14] x := x + 1; [L13] COND TRUE x < 5000 [L14] x := x + 1; [L13] COND FALSE !(x < 5000) [L16] assert x == 5000; [L18] COND TRUE x < 10000 [L19] x := x + 1; [L18] COND TRUE x < 10000 [L19] x := x + 1; [L18] COND FALSE !(x < 10000) [L21] assert x == 10000; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...