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/20170304-DifficultPathPrograms/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:02,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:02,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:02,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:02,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:02,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:02,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:02,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:02,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:02,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:02,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:02,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:02,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:02,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:02,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:02,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:02,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 22:00:02,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:02,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:02,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:02,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:02,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:02,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:02,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:02,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:02,512 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 [2019-08-04 22:00:02,537 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:02,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:02,538 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:02,539 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:02,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:02,539 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:02,539 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:02,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:02,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:02,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:02,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:02,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:02,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:02,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:02,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:02,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:02,544 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:02,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:02,544 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:02,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:02,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:02,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:02,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:02,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:02,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:02,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:02,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:02,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:02,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:02,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:02,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:02,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:02,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:02,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:02,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:02,548 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:02,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:02,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:02,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:02,549 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:02,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:02,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:02,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:02,621 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:02,622 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:02,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2019-08-04 22:00:02,623 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2019-08-04 22:00:02,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:02,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:02,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:02,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:02,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:02,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:02,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:02,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:02,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:02,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:02,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:02,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:02,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:02,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (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 [2019-08-04 22:00:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:03,007 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:03,008 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:03,009 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:03 BoogieIcfgContainer [2019-08-04 22:00:03,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:03,010 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:03,010 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:03,011 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:03,011 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:03" (1/1) ... [2019-08-04 22:00:03,043 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:03,178 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:03,199 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Performed 52 root evaluator evaluations with a maximum evaluation depth of 4. Performed 52 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-04 22:00:03,199 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:03,202 INFO L168 Benchmark]: Toolchain (without parser) took 540.82 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 87.8 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,203 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:03,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 104.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,205 INFO L168 Benchmark]: Boogie Preprocessor took 19.70 ms. Allocated memory is still 138.9 MB. Free memory was 104.5 MB in the beginning and 103.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,206 INFO L168 Benchmark]: RCFGBuilder took 291.61 ms. Allocated memory is still 138.9 MB. Free memory was 103.2 MB in the beginning and 94.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,208 INFO L168 Benchmark]: Abstract Interpretation took 188.95 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 87.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,212 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 0.24 ms. Allocated memory is still 138.9 MB. Free memory is still 107.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.61 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 104.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.70 ms. Allocated memory is still 138.9 MB. Free memory was 104.5 MB in the beginning and 103.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 291.61 ms. Allocated memory is still 138.9 MB. Free memory was 103.2 MB in the beginning and 94.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 188.95 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 87.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 31]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L8] havoc main_#res; [L9] havoc main_~i~4; [L10] havoc main_~i~4; [L11] main_~i~4 := 0; [L27] assume !!(main_~i~4 < 1000000); [L28] main_~i~4 := main_~i~4 + 2; [L27] assume !!(main_~i~4 < 1000000); [L28] main_~i~4 := main_~i~4 + 2; [L19] assume !(main_~i~4 < 1000000); [L20] __VERIFIER_assert_#in~cond := (if main_~i~4 == 1000000 then 1 else 0); [L21] havoc __VERIFIER_assert_~cond; [L22] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L23] assume __VERIFIER_assert_~cond == 0; [L24] assume !false; [L31] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...