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/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 17:50:43,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 17:50:43,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 17:50:43,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 17:50:43,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 17:50:43,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 17:50:43,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 17:50:43,124 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 17:50:43,125 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 17:50:43,126 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 17:50:43,127 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-31 17:50:43,153 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 [2019-01-31 17:50:43,174 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 17:50:43,174 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 17:50:43,176 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 17:50:43,177 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 17:50:43,177 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 17:50:43,177 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 17:50:43,177 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 17:50:43,178 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 17:50:43,178 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 17:50:43,178 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 17:50:43,179 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 17:50:43,179 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 17:50:43,179 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 17:50:43,179 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 17:50:43,180 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 17:50:43,180 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 17:50:43,180 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 17:50:43,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 17:50:43,181 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 17:50:43,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 17:50:43,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 17:50:43,181 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 17:50:43,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 17:50:43,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 17:50:43,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 17:50:43,184 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 17:50:43,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 17:50:43,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 17:50:43,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 17:50:43,185 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 17:50:43,185 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 17:50:43,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 17:50:43,186 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 17:50:43,186 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 17:50:43,186 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 17:50:43,186 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 17:50:43,187 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 17:50:43,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 17:50:43,187 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 17:50:43,187 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 17:50:43,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 17:50:43,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 17:50:43,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 17:50:43,261 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 17:50:43,262 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 17:50:43,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2019-01-31 17:50:43,263 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2019-01-31 17:50:43,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 17:50:43,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 17:50:43,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 17:50:43,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 17:50:43,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 17:50:43,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 17:50:43,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 17:50:43,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 17:50:43,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 17:50:43,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 17:50:43,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 17:50:43,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 17:50:43,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 17:50:43,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:43" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 17:50:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 17:50:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 17:50:43,623 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 17:50:43,624 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-31 17:50:43,625 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:50:43 BoogieIcfgContainer [2019-01-31 17:50:43,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 17:50:43,626 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 17:50:43,626 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 17:50:43,626 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 17:50:43,627 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:50:43" (1/1) ... [2019-01-31 17:50:43,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 17:50:43,792 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 17:50:43,810 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 4 different actions 9 times. Never widened. Performed 166 root evaluator evaluations with a maximum evaluation depth of 5. Performed 166 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3 fixpoints after 3 different actions. Largest state had 0 variables. [2019-01-31 17:50:43,812 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 17:50:43,813 INFO L168 Benchmark]: Toolchain (without parser) took 493.22 ms. Allocated memory is still 133.2 MB. Free memory was 108.4 MB in the beginning and 88.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:43,815 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 17:50:43,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:43,817 INFO L168 Benchmark]: Boogie Preprocessor took 22.49 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 105.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:43,818 INFO L168 Benchmark]: RCFGBuilder took 236.32 ms. Allocated memory is still 133.2 MB. Free memory was 105.4 MB in the beginning and 96.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:43,819 INFO L168 Benchmark]: Abstract Interpretation took 186.10 ms. Allocated memory is still 133.2 MB. Free memory was 96.0 MB in the beginning and 88.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:43,824 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 133.2 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.23 ms. Allocated memory is still 133.2 MB. Free memory was 108.2 MB in the beginning and 106.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.49 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 105.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 236.32 ms. Allocated memory is still 133.2 MB. Free memory was 105.4 MB in the beginning and 96.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 186.10 ms. Allocated memory is still 133.2 MB. Free memory was 96.0 MB in the beginning and 88.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 57]: 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~nondet1, main_#t~post0, main_#t~post2, main_~A~5, main_~i~5; [L14] havoc main_~A~5; [L15] havoc main_~i~5; [L16] main_~i~5 := 0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L24] assume !(main_~i~5 < 1023); [L25] main_~A~5 := main_~A~5[1023 := 0]; [L26] main_~i~5 := 0; [L43] assume !(main_~A~5[main_~i~5] != 0); [L44] __VERIFIER_assert_#in~cond := (if main_~i~5 <= 1024 then 1 else 0); [L45] havoc __VERIFIER_assert_~cond; [L46] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L47] assume __VERIFIER_assert_~cond == 0; [L48] assume !false; [L57] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...