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/half_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:07,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:07,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:07,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 22:00:07,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 22:00:07,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 22:00:07,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 22:00:07,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 22:00:07,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 22:00:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 22:00:07,343 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 22:00:07,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 22:00:07,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 22:00:07,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 22:00:07,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 22:00:07,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 22:00:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 22:00:07,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 22:00:07,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 22:00:07,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 22:00:07,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 22:00:07,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 22:00:07,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 22:00:07,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 22:00:07,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-04 22:00:07,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:07,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:07,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:07,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:07,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:07,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:07,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:07,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:07,380 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 22:00:07,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:07,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:07,406 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:07,406 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:07,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:07,406 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:07,407 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:07,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:07,408 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:07,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:07,408 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:07,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:07,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:07,409 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:07,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:07,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:07,410 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:07,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:07,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:07,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:07,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:07,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:07,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:07,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:07,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:07,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:07,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:07,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:07,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:07,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:07,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:07,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:07,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:07,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:07,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:07,415 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:07,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:07,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:07,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:07,416 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:07,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:07,476 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:07,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:07,481 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:07,481 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:07,482 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl [2019-08-04 22:00:07,483 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half_2.i_3.bpl' [2019-08-04 22:00:07,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:07,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:07,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:07,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:07,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:07,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:07,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:07,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:07,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:07,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:07,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:07,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:07,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:07,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:07" (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 22:00:07,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:07,854 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:07,854 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-04 22:00:07,855 INFO L202 PluginConnector]: Adding new model half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:07 BoogieIcfgContainer [2019-08-04 22:00:07,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:07,856 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:07,856 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:07,857 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:07,857 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "half_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:08,096 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:08,116 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 154 root evaluator evaluations with a maximum evaluation depth of 10. Performed 154 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-04 22:00:08,116 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:08,119 INFO L168 Benchmark]: Toolchain (without parser) took 583.99 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 84.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,121 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.73 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 106.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,124 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 ms. Allocated memory is still 134.2 MB. Free memory was 106.4 MB in the beginning and 105.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,125 INFO L168 Benchmark]: RCFGBuilder took 255.54 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 95.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,126 INFO L168 Benchmark]: Abstract Interpretation took 259.87 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 84.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:08,133 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 134.2 MB. Free memory was 109.5 MB in the beginning and 109.3 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 39.73 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 106.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.96 ms. Allocated memory is still 134.2 MB. Free memory was 106.4 MB in the beginning and 105.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 255.54 ms. Allocated memory is still 134.2 MB. Free memory was 105.2 MB in the beginning and 95.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 259.87 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 84.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 51]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15] havoc main_#res; [L16] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_#t~post3, main_~n~5, main_~i~5, main_~k~5, main_~j~5; [L17] havoc main_~n~5; [L18] havoc main_~i~5; [L19] havoc main_~k~5; [L20] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L21] main_~n~5 := main_#t~nondet0; [L22] havoc main_#t~nondet0; [L23] assume !!(main_~n~5 <= 1000000); [L24] main_~k~5 := main_~n~5; [L25] main_~i~5 := 0; [L33] assume !(main_~i~5 < main_~n~5); [L34] main_~j~5 := 0; [L36] assume !!(main_~j~5 < (if main_~n~5 < 0 && main_~n~5 % 2 != 0 then main_~n~5 / 2 + 1 else main_~n~5 / 2)); [L37] __VERIFIER_assert_#in~cond := (if main_~k~5 > 0 then 1 else 0); [L38] havoc __VERIFIER_assert_~cond; [L39] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L40] assume __VERIFIER_assert_~cond == 0; [L41] assume !false; [L51] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...