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_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e1a14da [2018-12-24 14:43:28,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-24 14:43:28,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-24 14:43:28,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-24 14:43:28,731 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2018-12-24 14:43:28,755 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-24 14:43:28,755 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-24 14:43:28,757 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-24 14:43:28,757 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-24 14:43:28,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-24 14:43:28,757 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-24 14:43:28,758 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-24 14:43:28,758 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-24 14:43:28,758 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-24 14:43:28,758 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-24 14:43:28,758 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-24 14:43:28,759 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-24 14:43:28,760 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-24 14:43:28,760 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-24 14:43:28,760 INFO L133 SettingsManager]: * Use SBE=true [2018-12-24 14:43:28,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-24 14:43:28,762 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-24 14:43:28,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-24 14:43:28,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-24 14:43:28,763 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-24 14:43:28,763 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-24 14:43:28,763 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-24 14:43:28,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-24 14:43:28,765 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-24 14:43:28,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-24 14:43:28,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-24 14:43:28,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-24 14:43:28,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-24 14:43:28,766 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-24 14:43:28,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-24 14:43:28,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-24 14:43:28,768 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-24 14:43:28,768 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-24 14:43:28,768 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-24 14:43:28,768 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-24 14:43:28,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-24 14:43:28,769 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-24 14:43:28,769 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-24 14:43:28,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-24 14:43:28,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-24 14:43:28,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-24 14:43:28,829 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-24 14:43:28,829 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-24 14:43:28,830 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl [2018-12-24 14:43:28,830 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl' [2018-12-24 14:43:28,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-24 14:43:28,894 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-24 14:43:28,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-24 14:43:28,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-24 14:43:28,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-24 14:43:28,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-24 14:43:28,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-24 14:43:28,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-24 14:43:28,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-24 14:43:28,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (1/1) ... [2018-12-24 14:43:28,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-24 14:43:28,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-24 14:43:28,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-24 14:43:28,968 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-24 14:43:28,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:28" (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 [2018-12-24 14:43:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-24 14:43:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-24 14:43:29,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-24 14:43:29,308 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-24 14:43:29,309 INFO L202 PluginConnector]: Adding new model mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:29 BoogieIcfgContainer [2018-12-24 14:43:29,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-24 14:43:29,310 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-24 14:43:29,310 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-24 14:43:29,311 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-24 14:43:29,312 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:29" (1/1) ... [2018-12-24 14:43:29,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-24 14:43:30,087 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-24 14:43:30,110 INFO L272 AbstractInterpreter]: Visited 5 different actions 31 times. Merged at 3 different actions 19 times. Widened at 2 different actions 5 times. Performed 325 root evaluator evaluations with a maximum evaluation depth of 3. Performed 325 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-24 14:43:30,112 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-24 14:43:30,113 INFO L168 Benchmark]: Toolchain (without parser) took 1222.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB. [2018-12-24 14:43:30,116 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 14:43:30,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 14:43:30,118 INFO L168 Benchmark]: Boogie Preprocessor took 24.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 14:43:30,119 INFO L168 Benchmark]: RCFGBuilder took 341.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-24 14:43:30,120 INFO L168 Benchmark]: Abstract Interpretation took 802.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. [2018-12-24 14:43:30,125 INFO L336 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 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.42 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 341.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 802.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 179.7 MB). Peak memory consumption was 179.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L30] #NULL.base, #NULL.offset := 0, 0; [L31] #valid := #valid[0 := 0]; [L32] havoc main_#res; [L33] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~post2, main_~i~8, main_#t~mem5, main_#t~post4, main_~i~9, main_~n~7, main_~x~7.base, main_~x~7.offset; [L34] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L35] main_~n~7 := main_#t~nondet0; [L36] havoc main_#t~nondet0; [L37] assume !!(0 <= main_~n~7 && main_~n~7 <= 1000); [L38] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L39] #Ultimate.alloc_~size := main_~n~7 * 4; [L40] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L41] havoc #valid, #length; [L42] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L43] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L44] assume #Ultimate.alloc_#res.offset == 0; [L45] assume #Ultimate.alloc_#res.base != 0; [L46] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L47] main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L48] main_~x~7.base, main_~x~7.offset := main_#t~malloc1.base, main_#t~malloc1.offset; [L49] main_~i~8 := 0; [L57] assume !!(main_~i~8 < main_~n~7); [L58] write~int_old_#memory_int := #memory_int; [L59] write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4; [L60] havoc #memory_int; [L61] assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value]; [L62] main_#t~post2 := main_~i~8; [L63] main_~i~8 := main_#t~post2 + 1; [L64] havoc main_#t~post2; [L67] assume !(main_~i~8 < main_~n~7); [L68] main_~i~9 := 0; [L70] assume !!(main_~i~9 < main_~n~7); [L71] read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := main_~x~7.base, main_~x~7.offset + main_~i~9 * 4, 4; [L72] havoc read~int_#value; [L73] assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset]; [L74] main_#t~mem5 := read~int_#value; [L75] __VERIFIER_assert_#in~cond := (if main_#t~mem5 == 0 then 1 else 0); [L76] havoc __VERIFIER_assert_~cond; [L77] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L78] assume __VERIFIER_assert_~cond == 0; [L79] assume !false; [L82] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...