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/n.c11.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e1a14da [2018-12-24 14:43:11,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-24 14:43:11,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-24 14:43:11,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-24 14:43:11,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-24 14:43:11,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-24 14:43:11,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-24 14:43:11,660 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-24 14:43:11,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-24 14:43:11,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-24 14:43:11,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-24 14:43:11,715 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-24 14:43:11,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-24 14:43:11,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-24 14:43:11,740 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-24 14:43:11,740 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-24 14:43:11,741 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-24 14:43:11,741 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-24 14:43:11,741 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-24 14:43:11,741 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-24 14:43:11,741 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-24 14:43:11,742 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-24 14:43:11,742 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-24 14:43:11,742 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-24 14:43:11,742 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-24 14:43:11,742 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-24 14:43:11,744 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-24 14:43:11,744 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-24 14:43:11,744 INFO L133 SettingsManager]: * Use SBE=true [2018-12-24 14:43:11,744 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-24 14:43:11,744 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-24 14:43:11,745 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-24 14:43:11,745 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-24 14:43:11,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-24 14:43:11,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-24 14:43:11,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-24 14:43:11,746 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-24 14:43:11,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-24 14:43:11,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-24 14:43:11,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-24 14:43:11,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-24 14:43:11,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-24 14:43:11,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-24 14:43:11,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-24 14:43:11,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-24 14:43:11,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-24 14:43:11,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-24 14:43:11,749 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-24 14:43:11,750 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-24 14:43:11,750 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-24 14:43:11,750 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-24 14:43:11,750 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-24 14:43:11,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-24 14:43:11,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-24 14:43:11,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-24 14:43:11,840 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-24 14:43:11,841 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-24 14:43:11,841 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl [2018-12-24 14:43:11,843 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/n.c11.i_3.bpl' [2018-12-24 14:43:11,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-24 14:43:11,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-24 14:43:11,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-24 14:43:11,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-24 14:43:11,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-24 14:43:11,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-24 14:43:11,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-24 14:43:11,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-24 14:43:11,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-24 14:43:11,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (1/1) ... [2018-12-24 14:43:11,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-24 14:43:11,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-24 14:43:11,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-24 14:43:11,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-24 14:43:11,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 02:43:11" (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 14:43:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-24 14:43:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-24 14:43:12,288 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-24 14:43:12,288 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-24 14:43:12,289 INFO L202 PluginConnector]: Adding new model n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:12 BoogieIcfgContainer [2018-12-24 14:43:12,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-24 14:43:12,290 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-24 14:43:12,290 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-24 14:43:12,290 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-24 14:43:12,293 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "n.c11.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:43:12" (1/1) ... [2018-12-24 14:43:12,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-24 14:43:12,505 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-24 14:43:12,532 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 134 root evaluator evaluations with a maximum evaluation depth of 5. Performed 134 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-24 14:43:12,536 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-24 14:43:12,537 INFO L168 Benchmark]: Toolchain (without parser) took 647.56 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 14:43:12,539 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.99 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 14:43:12,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.30 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 14:43:12,542 INFO L168 Benchmark]: Boogie Preprocessor took 26.06 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 14:43:12,543 INFO L168 Benchmark]: RCFGBuilder took 325.14 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 14:43:12,546 INFO L168 Benchmark]: Abstract Interpretation took 246.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 14:43:12,552 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 0.99 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 45.30 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 26.06 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 325.14 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 246.71 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 42]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] havoc main_#res; [L13] havoc main_#t~post1, main_#t~nondet0, main_~a~5, main_~len~5, main_~i~5; [L14] havoc main_~a~5; [L15] main_~len~5 := 0; [L16] havoc main_~i~5; [L24] assume !(main_#t~nondet0 % 256 != 0); [L25] havoc main_#t~nondet0; [L26] __VERIFIER_assert_#in~cond := (if main_~len~5 % 4294967296 >= 0 && main_~len~5 % 4294967296 < 5 then 1 else 0); [L27] havoc __VERIFIER_assert_~cond; [L28] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L29] assume __VERIFIER_assert_~cond == 0; [L30] assume !false; [L42] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...