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_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 21:01:00,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 21:01:00,210 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 21:01:00,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 21:01:00,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 21:01:00,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 21:01:00,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 21:01:00,227 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 21:01:00,229 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 21:01:00,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 21:01:00,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 21:01:00,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 21:01:00,232 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 21:01:00,233 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 21:01:00,234 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 21:01:00,235 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 21:01:00,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 21:01:00,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 21:01:00,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 21:01:00,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 21:01:00,243 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 21:01:00,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 21:01:00,249 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 21:01:00,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 21:01:00,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 21:01:00,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 21:01:00,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 21:01:00,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 21:01:00,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 21:01:00,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 21:01:00,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 21:01:00,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 21:01:00,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 21:01:00,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 21:01:00,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 21:01:00,258 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 21:01:00,258 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-03 21:01:00,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 21:01:00,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 21:01:00,281 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 21:01:00,281 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 21:01:00,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 21:01:00,282 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 21:01:00,282 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 21:01:00,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 21:01:00,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 21:01:00,282 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-03 21:01:00,283 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 21:01:00,283 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 21:01:00,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 21:01:00,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 21:01:00,284 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 21:01:00,284 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 21:01:00,284 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 21:01:00,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 21:01:00,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 21:01:00,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 21:01:00,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 21:01:00,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 21:01:00,288 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 21:01:00,288 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 21:01:00,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 21:01:00,289 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 21:01:00,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 21:01:00,289 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 21:01:00,289 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 21:01:00,290 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 21:01:00,290 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 21:01:00,290 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 21:01:00,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 21:01:00,290 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 21:01:00,291 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 21:01:00,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 21:01:00,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 21:01:00,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 21:01:00,361 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 21:01:00,362 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 21:01:00,362 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2018-12-03 21:01:00,363 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2018-12-03 21:01:00,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 21:01:00,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 21:01:00,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 21:01:00,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 21:01:00,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 21:01:00,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 21:01:00,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 21:01:00,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 21:01:00,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 21:01:00,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 21:01:00,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 21:01:00,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 21:01:00,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 21:01:00,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 09:01:00" (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 [2018-12-03 21:01:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 21:01:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 21:01:00,834 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 21:01:00,835 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 21:01:00,835 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 09:01:00 BoogieIcfgContainer [2018-12-03 21:01:00,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 21:01:00,837 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 21:01:00,837 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 21:01:00,837 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 21:01:00,838 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 09:01:00" (1/1) ... [2018-12-03 21:01:00,909 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 21:01:01,390 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 21:01:01,417 INFO L272 AbstractInterpreter]: Visited 8 different actions 64 times. Merged at 6 different actions 41 times. Widened at 5 different actions 17 times. Found 6 fixpoints after 3 different actions. Largest state had 0 variables. [2018-12-03 21:01:01,428 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 21:01:01,431 INFO L168 Benchmark]: Toolchain (without parser) took 1022.26 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-12-03 21:01:01,435 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-12-03 21:01:01,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.78 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. [2018-12-03 21:01:01,437 INFO L168 Benchmark]: Boogie Preprocessor took 27.55 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. [2018-12-03 21:01:01,438 INFO L168 Benchmark]: RCFGBuilder took 350.62 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. [2018-12-03 21:01:01,441 INFO L168 Benchmark]: Abstract Interpretation took 591.54 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-12-03 21:01:01,448 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 0.22 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 44.78 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 27.55 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 350.62 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 591.54 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] havoc main_#res; [L17] havoc main_#t~nondet0, main_#t~post1, main_#t~post2, main_#t~post3, main_#t~post4, main_~n~5, main_~i~5, main_~k~5, main_~j~5; [L18] havoc main_~n~5; [L19] main_~i~5 := 0; [L20] main_~k~5 := 0; [L21] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L22] main_~n~5 := main_#t~nondet0; [L23] havoc main_#t~nondet0; [L35] assume !!(main_~i~5 < main_~n~5); [L36] main_#t~post1 := main_~i~5; [L37] main_~i~5 := main_#t~post1 + 1; [L38] havoc main_#t~post1; [L39] main_#t~post2 := main_~k~5; [L40] main_~k~5 := main_#t~post2 + 1; [L41] havoc main_#t~post2; [L35] assume !!(main_~i~5 < main_~n~5); [L36] main_#t~post1 := main_~i~5; [L37] main_~i~5 := main_#t~post1 + 1; [L38] havoc main_#t~post1; [L39] main_#t~post2 := main_~k~5; [L40] main_~k~5 := main_#t~post2 + 1; [L41] havoc main_#t~post2; [L31] assume !(main_~i~5 < main_~n~5); [L32] main_~j~5 := 0; [L45] assume !!(main_~j~5 < main_~n~5); [L46] __VERIFIER_assert_#in~cond := (if main_~k~5 > 0 then 1 else 0); [L47] havoc __VERIFIER_assert_~cond; [L48] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L53] assume !(__VERIFIER_assert_~cond == 0); [L54] main_#t~post3 := main_~j~5; [L55] main_~j~5 := main_#t~post3 + 1; [L56] havoc main_#t~post3; [L57] main_#t~post4 := main_~k~5; [L58] main_~k~5 := main_#t~post4 - 1; [L59] havoc main_#t~post4; [L45] assume !!(main_~j~5 < main_~n~5); [L46] __VERIFIER_assert_#in~cond := (if main_~k~5 > 0 then 1 else 0); [L47] havoc __VERIFIER_assert_~cond; [L48] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L62] assume __VERIFIER_assert_~cond == 0; [L63] assume !false; [L66] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...