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/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:06,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:06,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:06,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:06,584 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 22:00:06,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:06,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:06,597 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:06,597 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:06,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:06,598 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:06,598 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:06,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:06,598 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:06,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:06,599 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:06,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:06,599 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:06,599 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:06,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:06,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:06,600 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:06,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:06,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:06,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:06,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:06,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:06,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:06,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:06,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:06,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:06,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:06,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:06,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:06,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:06,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:06,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:06,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:06,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:06,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:06,604 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:06,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:06,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:06,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:06,605 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:06,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:06,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:06,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:06,656 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:06,656 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:06,657 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2019-08-04 22:00:06,657 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2019-08-04 22:00:06,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:06,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:06,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:06,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:06,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:06,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:06,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:06,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:06,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:06,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (1/1) ... [2019-08-04 22:00:06,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:06,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:06,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:06,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:06,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:06" (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 22:00:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:07,101 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:07,102 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 22:00:07,103 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:07 BoogieIcfgContainer [2019-08-04 22:00:07,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:07,104 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:07,104 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:07,105 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:07,106 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:07" (1/1) ... [2019-08-04 22:00:07,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:07,282 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:07,302 INFO L272 AbstractInterpreter]: Visited 8 different actions 25 times. Merged at 5 different actions 11 times. Never widened. Performed 134 root evaluator evaluations with a maximum evaluation depth of 4. Performed 134 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 3 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-04 22:00:07,302 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:07,305 INFO L168 Benchmark]: Toolchain (without parser) took 608.96 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 85.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:07,306 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-04 22:00:07,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.39 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 104.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:07,310 INFO L168 Benchmark]: Boogie Preprocessor took 21.06 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:07,313 INFO L168 Benchmark]: RCFGBuilder took 351.04 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 93.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:07,315 INFO L168 Benchmark]: Abstract Interpretation took 198.44 ms. Allocated memory is still 140.0 MB. Free memory was 93.5 MB in the beginning and 85.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:07,321 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 140.0 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.39 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 104.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.06 ms. Allocated memory is still 140.0 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.04 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 93.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 198.44 ms. Allocated memory is still 140.0 MB. Free memory was 93.5 MB in the beginning and 85.8 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: 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: [L12] havoc main_#res; [L13] havoc main_#t~post0, main_#t~post1, main_#t~post2, main_~x~4, main_~y~4; [L14] havoc main_~x~4; [L15] havoc main_~y~4; [L16] main_~x~4 := 0; [L17] main_~y~4 := 0; [L21] assume !false; [L26] assume main_~x~4 < 50; [L27] main_#t~post0 := main_~y~4; [L28] main_~y~4 := main_#t~post0 + 1; [L29] havoc main_#t~post0; [L48] assume !(main_~y~4 < 0); [L49] main_#t~post2 := main_~x~4; [L50] main_~x~4 := main_#t~post2 + 1; [L51] havoc main_#t~post2; [L21] assume !false; [L26] assume main_~x~4 < 50; [L27] main_#t~post0 := main_~y~4; [L28] main_~y~4 := main_#t~post0 + 1; [L29] havoc main_#t~post0; [L48] assume !(main_~y~4 < 0); [L49] main_#t~post2 := main_~x~4; [L50] main_~x~4 := main_#t~post2 + 1; [L51] havoc main_#t~post2; [L21] assume !false; [L26] assume main_~x~4 < 50; [L27] main_#t~post0 := main_~y~4; [L28] main_~y~4 := main_#t~post0 + 1; [L29] havoc main_#t~post0; [L40] assume main_~y~4 < 0; [L41] __VERIFIER_assert_#in~cond := (if main_~x~4 == 100 then 1 else 0); [L42] havoc __VERIFIER_assert_~cond; [L43] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L44] assume __VERIFIER_assert_~cond == 0; [L45] assume !false; [L54] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...