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/dangerInvariants/loop2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:20:01,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:20:01,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:20:01,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:20:01,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:20:01,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:20:01,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:20:01,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:20:01,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:20:01,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:20:01,505 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:20:01,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:20:01,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:20:01,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:20:01,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:20:01,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:20:01,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:20:01,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:20:01,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:20:01,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:20:01,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:20:01,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:20:01,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:20:01,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:20:01,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:20:01,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:20:01,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:20:01,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:20:01,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:20:01,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:20:01,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:20:01,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:20:01,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:20:01,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:20:01,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:20:01,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:20:01,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:20:01,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:20:01,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:20:01,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:20:01,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:20:01,550 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 12:20:01,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:20:01,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:20:01,572 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:20:01,572 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:20:01,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:20:01,572 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:20:01,573 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:20:01,573 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:20:01,573 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:20:01,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:20:01,574 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:20:01,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:20:01,574 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:20:01,574 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:20:01,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:20:01,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:20:01,575 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:20:01,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:20:01,576 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:20:01,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:20:01,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:20:01,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:20:01,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:20:01,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:20:01,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:20:01,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:20:01,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:20:01,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:20:01,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:20:01,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:20:01,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:20:01,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:20:01,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:20:01,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:20:01,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:20:01,579 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:20:01,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:20:01,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:20:01,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:20:01,580 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:20:01,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:20:01,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:20:01,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:20:01,635 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:20:01,636 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:20:01,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/loop2.bpl [2019-08-05 12:20:01,637 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/dangerInvariants/loop2.bpl' [2019-08-05 12:20:01,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:20:01,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:20:01,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:01,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:20:01,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:20:01,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,707 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:20:01,707 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:20:01,708 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:20:01,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:20:01,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:20:01,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:20:01,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:20:01,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (1/1) ... [2019-08-05 12:20:01,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:20:01,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:20:01,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:20:01,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:20:01,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:20:01" (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 12:20:01,806 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:20:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:20:01,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:20:02,003 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:20:02,003 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:20:02,004 INFO L202 PluginConnector]: Adding new model loop2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:02 BoogieIcfgContainer [2019-08-05 12:20:02,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:20:02,005 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:20:02,005 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:20:02,006 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:20:02,006 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loop2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:20:02" (1/1) ... [2019-08-05 12:20:02,036 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:20:02,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:20:02,183 INFO L272 AbstractInterpreter]: Visited 6 different actions 16 times. Merged at 2 different actions 5 times. Never widened. Performed 47 root evaluator evaluations with a maximum evaluation depth of 4. Performed 47 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:20:02,184 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:20:02,189 INFO L168 Benchmark]: Toolchain (without parser) took 516.15 ms. Allocated memory is still 133.2 MB. Free memory was 105.1 MB in the beginning and 86.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,191 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 133.2 MB. Free memory was 104.9 MB in the beginning and 103.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,195 INFO L168 Benchmark]: Boogie Preprocessor took 22.51 ms. Allocated memory is still 133.2 MB. Free memory was 103.1 MB in the beginning and 102.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,197 INFO L168 Benchmark]: RCFGBuilder took 270.75 ms. Allocated memory is still 133.2 MB. Free memory was 102.0 MB in the beginning and 93.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,198 INFO L168 Benchmark]: Abstract Interpretation took 178.76 ms. Allocated memory is still 133.2 MB. Free memory was 93.4 MB in the beginning and 86.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:20:02,204 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 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 105.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 133.2 MB. Free memory was 104.9 MB in the beginning and 103.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.51 ms. Allocated memory is still 133.2 MB. Free memory was 103.1 MB in the beginning and 102.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 270.75 ms. Allocated memory is still 133.2 MB. Free memory was 102.0 MB in the beginning and 93.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 178.76 ms. Allocated memory is still 133.2 MB. Free memory was 93.4 MB in the beginning and 86.7 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: 11]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L8] x := 0; [L9] COND TRUE x < 20 [L10] x := x + 1; [L11] assert x != 10; [L9] COND TRUE x < 20 [L10] x := x + 1; [L11] assert x != 10; [L9] COND TRUE x < 20 [L10] x := x + 1; [L11] assert x != 10; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...