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.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:02,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:02,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:02,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:02,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:02,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:02,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:02,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:02,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:02,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:02,502 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:02,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:02,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:02,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:02,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:02,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:02,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:02,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:02,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:02,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:02,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:02,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:02,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:02,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:02,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:02,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:02,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:02,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:02,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:02,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:02,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:02,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:02,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:02,541 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 12:15:02,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:02,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:02,554 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:02,554 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:02,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:02,555 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:02,555 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:02,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:02,555 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:02,556 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:02,556 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:02,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:02,556 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:02,556 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:02,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:02,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:02,558 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:02,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:02,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:02,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:02,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:02,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:02,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:02,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:02,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:02,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:02,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:02,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:02,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:02,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:02,561 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:02,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:02,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:02,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:02,562 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:02,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:02,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:02,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:02,631 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:02,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:02,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half.i_3.bpl [2019-08-05 12:15:02,633 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/half.i_3.bpl' [2019-08-05 12:15:02,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:02,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:02,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:02,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:02,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:02,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:02,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:02,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:02,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:02,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (1/1) ... [2019-08-05 12:15:02,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:02,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:02,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:02,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:02,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:02" (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 [2019-08-05 12:15:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:03,063 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:03,066 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:15:03,068 INFO L202 PluginConnector]: Adding new model half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:03 BoogieIcfgContainer [2019-08-05 12:15:03,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:03,069 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:03,069 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:03,070 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:03,071 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "half.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:03" (1/1) ... [2019-08-05 12:15:03,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:03,268 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:03,294 INFO L272 AbstractInterpreter]: Visited 5 different actions 9 times. Merged at 3 different actions 3 times. Never widened. Performed 74 root evaluator evaluations with a maximum evaluation depth of 7. Performed 74 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:15:03,294 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:03,297 INFO L168 Benchmark]: Toolchain (without parser) took 607.26 ms. Allocated memory is still 136.8 MB. Free memory was 105.1 MB in the beginning and 82.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,299 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.12 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.76 ms. Allocated memory is still 136.8 MB. Free memory was 104.9 MB in the beginning and 103.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,302 INFO L168 Benchmark]: Boogie Preprocessor took 25.07 ms. Allocated memory is still 136.8 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,303 INFO L168 Benchmark]: RCFGBuilder took 314.34 ms. Allocated memory is still 136.8 MB. Free memory was 102.2 MB in the beginning and 92.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,304 INFO L168 Benchmark]: Abstract Interpretation took 225.73 ms. Allocated memory is still 136.8 MB. Free memory was 92.7 MB in the beginning and 82.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:03,309 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 1.12 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 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 37.76 ms. Allocated memory is still 136.8 MB. Free memory was 104.9 MB in the beginning and 103.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.07 ms. Allocated memory is still 136.8 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.34 ms. Allocated memory is still 136.8 MB. Free memory was 102.2 MB in the beginning and 92.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 225.73 ms. Allocated memory is still 136.8 MB. Free memory was 92.7 MB in the beginning and 82.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 47]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] havoc main_#res; [L14] havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~5, main_~n~5, main_~k~5; [L15] main_~i~5 := 0; [L16] main_~n~5 := 0; [L17] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L18] main_~k~5 := main_#t~nondet0; [L19] havoc main_#t~nondet0; [L20] assume !!(main_~k~5 <= 1000000 && main_~k~5 >= -1000000); [L21] main_~i~5 := 0; [L29] assume !(main_~i~5 < 2 * main_~k~5); [L30] __VERIFIER_assert_#in~cond := (if main_~k~5 < 0 || main_~n~5 == main_~k~5 then 1 else 0); [L31] havoc __VERIFIER_assert_~cond; [L32] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L33] assume __VERIFIER_assert_~cond == 0; [L34] assume !false; [L47] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...