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/simple4.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:44,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:44,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:44,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:44,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:44,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:44,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:44,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:44,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:44,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:44,342 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:44,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:44,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:44,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:44,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:44,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:44,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:44,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:44,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:44,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:44,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:44,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:44,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:44,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:44,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:44,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:44,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:44,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:44,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:44,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:44,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:44,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:44,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:14:44,371 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 12:14:44,384 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:44,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:44,385 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:44,385 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:44,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:44,386 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:44,386 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:44,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:44,386 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:44,387 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:44,387 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:44,387 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:44,387 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:44,387 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:44,388 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:44,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:44,389 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:44,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:44,389 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:44,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:44,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:44,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:44,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:44,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:44,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:44,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:44,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:44,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:44,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:44,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:44,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:44,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:44,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:44,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:44,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:44,393 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:44,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:44,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:44,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:44,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:44,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:44,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:44,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:44,444 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:44,445 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:44,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl [2019-08-05 12:14:44,445 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/simple4.i_3.bpl' [2019-08-05 12:14:44,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:44,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:44,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:44,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:44,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:44,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:44,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:44,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:44,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:44,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:44,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:44,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:44,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:44,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:44" (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 12:14:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:44,830 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:44,831 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:44,832 INFO L202 PluginConnector]: Adding new model simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:44 BoogieIcfgContainer [2019-08-05 12:14:44,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:44,833 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:44,833 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:44,834 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:44,835 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "simple4.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:44" (1/1) ... [2019-08-05 12:14:44,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:45,107 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:45,132 INFO L272 AbstractInterpreter]: Visited 5 different actions 13 times. Merged at 3 different actions 5 times. Never widened. Performed 56 root evaluator evaluations with a maximum evaluation depth of 10. Performed 56 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:14:45,132 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:45,137 INFO L168 Benchmark]: Toolchain (without parser) took 659.50 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 83.5 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:45,138 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:45,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.93 ms. Allocated memory is still 132.6 MB. Free memory was 105.1 MB in the beginning and 103.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:45,143 INFO L168 Benchmark]: Boogie Preprocessor took 19.79 ms. Allocated memory is still 132.6 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:45,146 INFO L168 Benchmark]: RCFGBuilder took 300.36 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 93.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:45,147 INFO L168 Benchmark]: Abstract Interpretation took 299.50 ms. Allocated memory is still 132.6 MB. Free memory was 93.6 MB in the beginning and 83.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:45,155 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 132.6 MB. Free memory is still 106.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.93 ms. Allocated memory is still 132.6 MB. Free memory was 105.1 MB in the beginning and 103.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.79 ms. Allocated memory is still 132.6 MB. Free memory was 103.8 MB in the beginning and 102.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.36 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 93.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 299.50 ms. Allocated memory is still 132.6 MB. Free memory was 93.6 MB in the beginning and 83.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 30]: 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_~x~4; [L10] main_~x~4 := 268435441; [L26] assume !!(main_~x~4 % 4294967296 > 1); [L27] main_~x~4 := main_~x~4 - 2; [L26] assume !!(main_~x~4 % 4294967296 > 1); [L27] main_~x~4 := main_~x~4 - 2; [L18] assume !(main_~x~4 % 4294967296 > 1); [L19] __VERIFIER_assert_#in~cond := (if (if main_~x~4 % 4294967296 < 0 && main_~x~4 % 4294967296 % 2 != 0 then main_~x~4 % 4294967296 % 2 - 2 else main_~x~4 % 4294967296 % 2) % 4294967296 == 0 then 1 else 0); [L20] havoc __VERIFIER_assert_~cond; [L21] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L22] assume __VERIFIER_assert_~cond == 0; [L23] assume !false; [L30] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...