java -ea -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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 14:56:10,169 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 14:56:10,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 14:56:10,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-23 14:56:10,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-23 14:56:10,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-23 14:56:10,186 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-23 14:56:10,188 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-23 14:56:10,190 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-23 14:56:10,191 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-23 14:56:10,192 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-23 14:56:10,192 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-23 14:56:10,193 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-23 14:56:10,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-23 14:56:10,195 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-23 14:56:10,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-23 14:56:10,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-23 14:56:10,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-23 14:56:10,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-23 14:56:10,203 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-23 14:56:10,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-23 14:56:10,206 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-23 14:56:10,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-23 14:56:10,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-23 14:56:10,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-23 14:56:10,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-23 14:56:10,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-23 14:56:10,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-23 14:56:10,213 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-23 14:56:10,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-23 14:56:10,215 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-23 14:56:10,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-23 14:56:10,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-23 14:56:10,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-23 14:56:10,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-23 14:56:10,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-23 14:56:10,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-23 14:56:10,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 14:56:10,247 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 14:56:10,251 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 14:56:10,251 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 14:56:10,251 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 14:56:10,252 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 14:56:10,252 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 14:56:10,252 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 14:56:10,252 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-23 14:56:10,252 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 14:56:10,253 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-23 14:56:10,253 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-23 14:56:10,253 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 14:56:10,253 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 14:56:10,254 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 14:56:10,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 14:56:10,255 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 14:56:10,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 14:56:10,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 14:56:10,257 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 14:56:10,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 14:56:10,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 14:56:10,258 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 14:56:10,258 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 14:56:10,258 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 14:56:10,258 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 14:56:10,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 14:56:10,260 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 14:56:10,260 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 14:56:10,261 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 14:56:10,261 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 14:56:10,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 14:56:10,261 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 14:56:10,261 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 14:56:10,261 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 14:56:10,262 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 14:56:10,262 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 14:56:10,262 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 14:56:10,262 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 14:56:10,263 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 14:56:10,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 14:56:10,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 14:56:10,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 14:56:10,317 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 14:56:10,317 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 14:56:10,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2018-12-23 14:56:10,318 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2018-12-23 14:56:10,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 14:56:10,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 14:56:10,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 14:56:10,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 14:56:10,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 14:56:10,384 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 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,396 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 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 14:56:10,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 14:56:10,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 14:56:10,406 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 14:56:10,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:10,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 14:56:10,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 14:56:10,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 14:56:10,430 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 14:56:10,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 02:56:10" (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 [2018-12-23 14:56:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-23 14:56:10,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-23 14:56:10,991 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-23 14:56:10,992 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-23 14:56:10,992 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:56:10 BoogieIcfgContainer [2018-12-23 14:56:10,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 14:56:10,994 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-23 14:56:10,994 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-23 14:56:10,994 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-23 14:56:10,995 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 23.12 02:56:10" (1/1) ... [2018-12-23 14:56:11,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 14:56:12,818 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-23 14:56:12,839 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 4 different actions 9 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 0 variables. [2018-12-23 14:56:12,841 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-23 14:56:12,842 INFO L168 Benchmark]: Toolchain (without parser) took 2479.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-12-23 14:56:12,845 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-12-23 14:56:12,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.17 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. [2018-12-23 14:56:12,846 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 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. [2018-12-23 14:56:12,847 INFO L168 Benchmark]: RCFGBuilder took 562.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-12-23 14:56:12,848 INFO L168 Benchmark]: Abstract Interpretation took 1847.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-12-23 14:56:12,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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. * Boogie Procedure Inliner took 40.17 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. * Boogie Preprocessor took 23.77 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. * RCFGBuilder took 562.62 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 1847.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 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...