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/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:02,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:02,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:02,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:02,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:02,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:02,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:02,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:02,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:02,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:02,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:02,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:02,309 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 [2019-08-04 22:00:02,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:02,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:02,323 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:02,324 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:02,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:02,324 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:02,324 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:02,325 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:02,325 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:02,325 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:02,325 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:02,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:02,326 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:02,326 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:02,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:02,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:02,327 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:02,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:02,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:02,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:02,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:02,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:02,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:02,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:02,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:02,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:02,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:02,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:02,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:02,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:02,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:02,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:02,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:02,332 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:02,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:02,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:02,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:02,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:02,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:02,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:02,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:02,386 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:02,387 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:02,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl [2019-08-04 22:00:02,388 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl' [2019-08-04 22:00:02,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:02,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:02,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:02,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:02,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:02,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:02,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:02,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:02,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:02,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:02,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:02,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:02,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:02,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:02" (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 [2019-08-04 22:00:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:02,800 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:02,801 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:02,803 INFO L202 PluginConnector]: Adding new model count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:02 BoogieIcfgContainer [2019-08-04 22:00:02,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:02,805 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:02,805 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:02,805 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:02,807 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:02" (1/1) ... [2019-08-04 22:00:02,842 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:02,996 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:03,026 INFO L272 AbstractInterpreter]: Visited 6 different actions 21 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 116 root evaluator evaluations with a maximum evaluation depth of 5. Performed 116 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-04 22:00:03,028 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:03,033 INFO L168 Benchmark]: Toolchain (without parser) took 604.48 ms. Allocated memory is still 133.7 MB. Free memory was 104.3 MB in the beginning and 84.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,036 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.79 ms. Allocated memory is still 133.7 MB. Free memory was 104.3 MB in the beginning and 102.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,042 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 133.7 MB. Free memory was 102.5 MB in the beginning and 101.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,043 INFO L168 Benchmark]: RCFGBuilder took 314.60 ms. Allocated memory is still 133.7 MB. Free memory was 101.4 MB in the beginning and 92.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,045 INFO L168 Benchmark]: Abstract Interpretation took 223.73 ms. Allocated memory is still 133.7 MB. Free memory was 92.3 MB in the beginning and 84.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:03,056 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 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 105.6 MB in the beginning and 105.3 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 36.79 ms. Allocated memory is still 133.7 MB. Free memory was 104.3 MB in the beginning and 102.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 133.7 MB. Free memory was 102.5 MB in the beginning and 101.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.60 ms. Allocated memory is still 133.7 MB. Free memory was 101.4 MB in the beginning and 92.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 223.73 ms. Allocated memory is still 133.7 MB. Free memory was 92.3 MB in the beginning and 84.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L9] havoc main_#res; [L10] havoc main_#t~post0, main_~i~4; [L11] havoc main_~i~4; [L12] main_~i~4 := 0; [L16] assume !!(main_~i~4 != 1000000); [L17] __VERIFIER_assert_#in~cond := (if main_~i~4 <= 1000000 then 1 else 0); [L18] havoc __VERIFIER_assert_~cond; [L19] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L30] assume __VERIFIER_assert_~cond == 0; [L31] assume !false; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...