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/abstractInterpretation/regression/eq/02_basic_unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:11,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:11,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:11,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:11,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:11,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:11,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:11,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:11,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:11,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:11,289 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:11,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:11,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:11,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:11,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:11,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:11,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:11,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:11,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:11,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:11,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:11,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:11,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:11,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:11,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:19:11,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:11,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:11,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:11,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:11,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:11,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:11,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:11,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:11,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:19:11,364 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:11,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:11,366 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:11,366 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:11,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:11,366 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:11,367 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:11,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:11,367 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:11,367 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:11,368 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:11,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:11,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:11,370 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:11,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:11,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:11,372 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:11,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:11,372 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:11,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:11,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:11,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:11,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:11,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:11,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:11,374 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:11,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:11,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:11,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:11,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:11,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:11,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:11,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:11,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:11,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:11,376 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:11,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:11,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:11,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:11,377 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:11,439 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:11,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:11,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:11,467 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:11,468 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:11,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/02_basic_unsafe.bpl [2019-08-05 12:19:11,469 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/02_basic_unsafe.bpl' [2019-08-05 12:19:11,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:11,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:11,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:11,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:11,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:11,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,536 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:11,536 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:11,537 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:11,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:11,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:11,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:11,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:11,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:11,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:11,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:11,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:11,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:11" (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 [2019-08-05 12:19:11,627 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 12:19:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 12:19:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 12:19:11,818 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:11,818 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:11,820 INFO L202 PluginConnector]: Adding new model 02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:11 BoogieIcfgContainer [2019-08-05 12:19:11,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:11,821 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:11,821 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:11,821 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:11,822 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "02_basic_unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:11" (1/1) ... [2019-08-05 12:19:11,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:11,925 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:11,944 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 4. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:11,944 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:11,947 INFO L168 Benchmark]: Toolchain (without parser) took 442.84 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 89.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,948 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:19:11,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,951 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 ms. Allocated memory is still 133.7 MB. Free memory was 105.9 MB in the beginning and 104.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,952 INFO L168 Benchmark]: RCFGBuilder took 260.85 ms. Allocated memory is still 133.7 MB. Free memory was 104.5 MB in the beginning and 95.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,954 INFO L168 Benchmark]: Abstract Interpretation took 123.60 ms. Allocated memory is still 133.7 MB. Free memory was 95.3 MB in the beginning and 89.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:11,960 INFO L335 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 0.19 ms. Allocated memory is still 133.7 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.6 MB in the beginning and 105.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.98 ms. Allocated memory is still 133.7 MB. Free memory was 105.9 MB in the beginning and 104.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.85 ms. Allocated memory is still 133.7 MB. Free memory was 104.5 MB in the beginning and 95.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 123.60 ms. Allocated memory is still 133.7 MB. Free memory was 95.3 MB in the beginning and 89.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 18]: 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] a[x] := i; [L13] b[y] := j; [L14] a[z] := k; [L16] i := k; [L18] assert x == y; - UnprovableResult [Line: 19]: 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] a[x] := i; [L13] b[y] := j; [L14] a[z] := k; [L16] i := k; [L18] assert x == y; [L19] assert i == j; - UnprovableResult [Line: 20]: 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] a[x] := i; [L13] b[y] := j; [L14] a[z] := k; [L16] i := k; [L18] assert x == y; [L19] assert i == j; [L20] assert a[z] != i; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...