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/regression/bpl/TestSequentialCompositionHavoc.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:17,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:17,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:17,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:18:17,291 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 12:18:17,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:17,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:17,305 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:17,305 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:17,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:17,305 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:17,306 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:17,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:17,306 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:17,306 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:17,306 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:17,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:17,307 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:17,307 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:17,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:17,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:17,308 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:17,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:17,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:17,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:17,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:17,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:17,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:17,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:17,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:17,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:17,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:17,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:17,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:17,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:17,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:17,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:17,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:17,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:17,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:17,312 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:17,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:17,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:17,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:17,313 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:17,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:17,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:17,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:17,380 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:17,381 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:17,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialCompositionHavoc.bpl [2019-08-05 12:18:17,382 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/TestSequentialCompositionHavoc.bpl' [2019-08-05 12:18:17,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:17,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:17,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:17,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:17,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:17,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,456 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:17,458 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:17,458 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:17,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:17,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:17,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:17,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:17,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:17,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:17,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:17,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:17,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:17" (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 12:18:17,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure proc given in one single declaration [2019-08-05 12:18:17,558 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-08-05 12:18:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-08-05 12:18:17,821 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:17,821 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 12:18:17,822 INFO L202 PluginConnector]: Adding new model TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:17 BoogieIcfgContainer [2019-08-05 12:18:17,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:17,826 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:17,826 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:17,827 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:17,827 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "TestSequentialCompositionHavoc.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:17" (1/1) ... [2019-08-05 12:18:17,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:17,958 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:17,982 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 64 root evaluator evaluations with a maximum evaluation depth of 3. Performed 64 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:17,983 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:17,986 INFO L168 Benchmark]: Toolchain (without parser) took 565.90 ms. Allocated memory is still 134.7 MB. Free memory was 107.4 MB in the beginning and 87.9 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,987 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 134.7 MB. Free memory was 107.4 MB in the beginning and 105.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,990 INFO L168 Benchmark]: Boogie Preprocessor took 24.33 ms. Allocated memory is still 134.7 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,991 INFO L168 Benchmark]: RCFGBuilder took 338.58 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 94.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,992 INFO L168 Benchmark]: Abstract Interpretation took 156.89 ms. Allocated memory is still 134.7 MB. Free memory was 94.5 MB in the beginning and 87.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:17,997 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 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 134.7 MB. Free memory was 107.4 MB in the beginning and 105.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.33 ms. Allocated memory is still 134.7 MB. Free memory was 105.5 MB in the beginning and 104.6 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 338.58 ms. Allocated memory is still 134.7 MB. Free memory was 104.4 MB in the beginning and 94.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 156.89 ms. Allocated memory is still 134.7 MB. Free memory was 94.5 MB in the beginning and 87.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 26]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; - UnprovableResult [Line: 33]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; - UnprovableResult [Line: 40]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; [L37] y, a := 0, 10; [L38] havoc y; [L40] assert y == 0; - UnprovableResult [Line: 47]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; [L37] y, a := 0, 10; [L38] havoc y; [L40] assert y == 0; [L44] y, a := 0, 10; [L45] havoc y; [L46] a := y; [L47] assert y == 0; - UnprovableResult [Line: 54]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; [L37] y, a := 0, 10; [L38] havoc y; [L40] assert y == 0; [L44] y, a := 0, 10; [L45] havoc y; [L46] a := y; [L47] assert y == 0; [L51] y, a := 0, 10; [L52] havoc y; [L53] havoc y; [L54] assert y == 0; - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; [L37] y, a := 0, 10; [L38] havoc y; [L40] assert y == 0; [L44] y, a := 0, 10; [L45] havoc y; [L46] a := y; [L47] assert y == 0; [L51] y, a := 0, 10; [L52] havoc y; [L53] havoc y; [L54] assert y == 0; [L58] y, a := 0, 10; [L59] havoc y; [L60] y := y + 1; [L61] assert y == 1; - UnprovableResult [Line: 68]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] y, a := 0, 10; [L25] havoc y; [L26] assert y == 0; [L30] y, a := 0, 10; [L31] a := y; [L32] havoc y; [L33] assert y == 0; [L37] y, a := 0, 10; [L38] havoc y; [L40] assert y == 0; [L44] y, a := 0, 10; [L45] havoc y; [L46] a := y; [L47] assert y == 0; [L51] y, a := 0, 10; [L52] havoc y; [L53] havoc y; [L54] assert y == 0; [L58] y, a := 0, 10; [L59] havoc y; [L60] y := y + 1; [L61] assert y == 1; [L65] y, a := 0, 10; [L66] y := y + 1; [L67] havoc y; [L68] assert y == 1; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...