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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:12,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:12,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:12,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 22:00:12,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 22:00:12,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 22:00:12,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 22:00:12,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 22:00:12,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 22:00:12,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 22:00:12,237 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 22:00:12,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-04 22:00:12,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:12,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:12,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:12,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:12,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:12,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:12,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:12,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:12,266 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 22:00:12,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:12,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:12,292 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:12,293 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:12,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:12,293 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:12,293 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:12,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:12,294 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:12,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:12,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:12,296 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:12,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:12,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:12,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:12,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:12,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:12,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:12,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:12,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:12,297 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:12,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:12,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:12,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:12,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:12,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:12,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:12,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:12,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:12,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:12,299 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:12,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:12,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:12,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:12,300 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:12,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:12,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:12,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:12,360 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:12,360 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:12,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2019-08-04 22:00:12,361 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2019-08-04 22:00:12,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:12,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:12,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:12,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:12,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:12,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:12,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:12,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:12,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:12,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:12,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:12,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:12,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:12,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:12" (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 [2019-08-04 22:00:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:12,779 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-04 22:00:12,781 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:12,781 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-04 22:00:12,782 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:12 BoogieIcfgContainer [2019-08-04 22:00:12,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:12,783 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:12,783 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:12,784 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:12,784 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:12" (1/1) ... [2019-08-04 22:00:12,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:12,976 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:12,995 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 3 different actions 7 times. Widened at 1 different actions 1 times. Performed 123 root evaluator evaluations with a maximum evaluation depth of 10. Performed 123 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 5 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-04 22:00:12,995 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:12,999 INFO L168 Benchmark]: Toolchain (without parser) took 598.38 ms. Allocated memory is still 133.2 MB. Free memory was 107.1 MB in the beginning and 85.4 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,000 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 105.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,003 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 133.2 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,004 INFO L168 Benchmark]: RCFGBuilder took 320.95 ms. Allocated memory is still 133.2 MB. Free memory was 104.1 MB in the beginning and 94.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,005 INFO L168 Benchmark]: Abstract Interpretation took 212.32 ms. Allocated memory is still 133.2 MB. Free memory was 94.4 MB in the beginning and 85.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:13,010 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 0.14 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.96 ms. Allocated memory is still 133.2 MB. Free memory was 106.9 MB in the beginning and 105.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 133.2 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 320.95 ms. Allocated memory is still 133.2 MB. Free memory was 104.1 MB in the beginning and 94.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 212.32 ms. Allocated memory is still 133.2 MB. Free memory was 94.4 MB in the beginning and 85.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: 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] havoc main_#res; [L12] havoc main_#t~post0, main_#t~post1, main_~x~4, main_~y~4; [L13] main_~x~4 := 0; [L14] main_~y~4 := 0; [L30] assume !!(main_~x~4 % 4294967296 < 268435455); [L31] main_~y~4 := 0; [L47] assume !!(main_~y~4 % 4294967296 < 10); [L48] main_#t~post0 := main_~y~4; [L49] main_~y~4 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L47] assume !!(main_~y~4 % 4294967296 < 10); [L48] main_#t~post0 := main_~y~4; [L49] main_~y~4 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L41] assume !(main_~y~4 % 4294967296 < 10); [L42] main_#t~post1 := main_~x~4; [L43] main_~x~4 := main_#t~post1 + 1; [L44] havoc main_#t~post1; [L30] assume !!(main_~x~4 % 4294967296 < 268435455); [L31] main_~y~4 := 0; [L47] assume !!(main_~y~4 % 4294967296 < 10); [L48] main_#t~post0 := main_~y~4; [L49] main_~y~4 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L41] assume !(main_~y~4 % 4294967296 < 10); [L42] main_#t~post1 := main_~x~4; [L43] main_~x~4 := main_#t~post1 + 1; [L44] havoc main_#t~post1; [L22] assume !(main_~x~4 % 4294967296 < 268435455); [L23] __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); [L24] havoc __VERIFIER_assert_~cond; [L25] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L26] assume __VERIFIER_assert_~cond == 0; [L27] assume !false; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...