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/20181015-LoopsPathprograms/ddlm2013_true-unreach-call.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:18,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:18,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:18,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:18,302 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 12:15:18,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:18,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:18,323 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:18,323 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:18,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:18,325 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:18,326 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:18,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:18,326 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:18,326 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:18,326 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:18,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:18,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:18,327 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:18,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:18,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:18,329 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:18,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:18,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:18,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:18,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:18,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:18,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:18,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:18,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:18,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:18,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:18,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:18,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:18,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:18,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:18,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:18,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:18,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:18,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:18,332 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:18,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:18,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:18,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:18,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:18,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:18,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:18,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:18,389 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:18,389 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:18,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/ddlm2013_true-unreach-call.i_3.bpl [2019-08-05 12:15:18,391 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/ddlm2013_true-unreach-call.i_3.bpl' [2019-08-05 12:15:18,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:18,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:18,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:18,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:18,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:18,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:18,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:18,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:18,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:18,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:18,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:18,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (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 12:15:18,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:15:18,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:18,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:18,833 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:18,833 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:18,835 INFO L202 PluginConnector]: Adding new model ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:18 BoogieIcfgContainer [2019-08-05 12:15:18,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:18,836 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:18,836 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:18,837 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:18,838 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ddlm2013_true-unreach-call.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,871 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:19,189 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:19,219 INFO L272 AbstractInterpreter]: Visited 6 different actions 17 times. Merged at 4 different actions 8 times. Never widened. Performed 156 root evaluator evaluations with a maximum evaluation depth of 9. Performed 156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:15:19,219 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:19,224 INFO L168 Benchmark]: Toolchain (without parser) took 794.69 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 77.9 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,225 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.57 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 106.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,231 INFO L168 Benchmark]: Boogie Preprocessor took 21.37 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 104.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,232 INFO L168 Benchmark]: RCFGBuilder took 351.29 ms. Allocated memory is still 140.5 MB. Free memory was 104.9 MB in the beginning and 95.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,233 INFO L168 Benchmark]: Abstract Interpretation took 383.64 ms. Allocated memory is still 140.5 MB. Free memory was 95.0 MB in the beginning and 77.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,238 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 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 109.1 MB in the beginning and 108.9 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 34.57 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 106.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.37 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 104.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.29 ms. Allocated memory is still 140.5 MB. Free memory was 104.9 MB in the beginning and 95.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 383.64 ms. Allocated memory is still 140.5 MB. Free memory was 95.0 MB in the beginning and 77.9 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 59]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L18] havoc main_#res; [L19] havoc main_#t~nondet1, main_~a~0, main_~flag~0, main_~j~0, main_#t~nondet2, main_#t~post3, main_~i~0, main_~b~0, main_#t~post4; [L20] havoc main_~i~0; [L21] havoc main_~j~0; [L22] havoc main_~a~0; [L23] havoc main_~b~0; [L24] assume 0 <= main_#t~nondet1 + 2147483648 && main_#t~nondet1 <= 2147483647; [L25] main_~flag~0 := main_#t~nondet1; [L26] havoc main_#t~nondet1; [L27] main_~a~0 := 0; [L28] main_~b~0 := 0; [L29] main_~j~0 := 1; [L30] assume !(main_~flag~0 == 0); [L31] main_~i~0 := 0; [L34] assume 0 <= main_#t~nondet2 + 2147483648 && main_#t~nondet2 <= 2147483647; [L48] assume !(0 == main_#t~nondet2); [L49] havoc main_#t~nondet2; [L50] main_#t~post3 := main_~a~0; [L51] main_~a~0 := main_#t~post3 + 1; [L52] havoc main_#t~post3; [L53] main_~b~0 := main_~b~0 + -1 * main_~i~0 + main_~j~0; [L54] main_~i~0 := main_~i~0 + 2; [L55] assume (if main_~i~0 % 4294967296 < 0 && !(0 == main_~i~0 % 2) then main_~i~0 % 2 + -2 else main_~i~0 % 2) % 4294967296 == 0; [L56] main_~j~0 := main_~j~0 + 2; [L34] assume 0 <= main_#t~nondet2 + 2147483648 && main_#t~nondet2 <= 2147483647; [L48] assume !(0 == main_#t~nondet2); [L49] havoc main_#t~nondet2; [L50] main_#t~post3 := main_~a~0; [L51] main_~a~0 := main_#t~post3 + 1; [L52] havoc main_#t~post3; [L53] main_~b~0 := main_~b~0 + -1 * main_~i~0 + main_~j~0; [L54] main_~i~0 := main_~i~0 + 2; [L55] assume (if main_~i~0 % 4294967296 < 0 && !(0 == main_~i~0 % 2) then main_~i~0 % 2 + -2 else main_~i~0 % 2) % 4294967296 == 0; [L56] main_~j~0 := main_~j~0 + 2; [L34] assume 0 <= main_#t~nondet2 + 2147483648 && main_#t~nondet2 <= 2147483647; [L39] assume 0 == main_#t~nondet2; [L40] havoc main_#t~nondet2; [L41] assume !(main_~flag~0 == 0); [L42] __VERIFIER_assert_#in~cond := (if main_~a~0 % 4294967296 == main_~b~0 % 4294967296 then 1 else 0); [L43] havoc __VERIFIER_assert_~cond; [L44] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L45] assume 0 == __VERIFIER_assert_~cond; [L59] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...