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/gj2007.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:56,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:56,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:56,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:56,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:56,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:56,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:56,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:56,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:56,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:56,775 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:56,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:56,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:56,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:56,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:56,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:56,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:56,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:56,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:56,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:56,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:56,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:56,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:56,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:56,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:56,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:56,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:56,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:56,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:56,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:56,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:56,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:56,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:14:56,827 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 12:14:56,848 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:56,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:56,849 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:56,850 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:56,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:56,850 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:56,850 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:56,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:56,851 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:56,852 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:56,852 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:56,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:56,853 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:56,853 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:56,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:56,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:56,856 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:56,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:56,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:56,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:56,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:56,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:56,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:56,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:56,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:56,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:56,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:56,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:56,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:56,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:56,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:56,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:56,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:56,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:56,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:56,860 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:56,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:56,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:56,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:56,861 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:56,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:56,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:56,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:56,933 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:56,933 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:56,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl [2019-08-05 12:14:56,934 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl' [2019-08-05 12:14:56,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:56,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:56,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:56,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:56,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:56,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:56,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:57,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:57,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:57,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:57,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (1/1) ... [2019-08-05 12:14:57,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:57,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:57,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:57,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:57,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:56" (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 12:14:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:57,324 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 12:14:57,326 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:57,326 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:57,328 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:57 BoogieIcfgContainer [2019-08-05 12:14:57,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:57,330 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:57,330 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:57,330 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:57,332 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:57" (1/1) ... [2019-08-05 12:14:57,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:57,496 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:57,516 INFO L272 AbstractInterpreter]: Visited 7 different actions 27 times. Merged at 5 different actions 12 times. Widened at 1 different actions 1 times. Performed 123 root evaluator evaluations with a maximum evaluation depth of 4. Performed 123 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:14:57,517 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:57,520 INFO L168 Benchmark]: Toolchain (without parser) took 546.65 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 87.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,522 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.49 ms. Allocated memory is still 141.0 MB. Free memory was 106.8 MB in the beginning and 105.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,525 INFO L168 Benchmark]: Boogie Preprocessor took 24.48 ms. Allocated memory is still 141.0 MB. Free memory was 105.3 MB in the beginning and 104.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,526 INFO L168 Benchmark]: RCFGBuilder took 296.00 ms. Allocated memory is still 141.0 MB. Free memory was 104.1 MB in the beginning and 94.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,527 INFO L168 Benchmark]: Abstract Interpretation took 187.08 ms. Allocated memory is still 141.0 MB. Free memory was 94.9 MB in the beginning and 87.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:57,533 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 108.3 MB in the beginning and 108.1 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 35.49 ms. Allocated memory is still 141.0 MB. Free memory was 106.8 MB in the beginning and 105.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.48 ms. Allocated memory is still 141.0 MB. Free memory was 105.3 MB in the beginning and 104.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.00 ms. Allocated memory is still 141.0 MB. Free memory was 104.1 MB in the beginning and 94.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 187.08 ms. Allocated memory is still 141.0 MB. Free memory was 94.9 MB in the beginning and 87.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 31]: 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_~x~4, main_~y~4; [L11] main_~x~4 := 0; [L12] main_~y~4 := 50; [L28] assume !!(main_~x~4 < 100); [L35] assume main_~x~4 < 50; [L36] main_~x~4 := main_~x~4 + 1; [L28] assume !!(main_~x~4 < 100); [L35] assume main_~x~4 < 50; [L36] main_~x~4 := main_~x~4 + 1; [L20] assume !(main_~x~4 < 100); [L21] __VERIFIER_assert_#in~cond := (if main_~y~4 == 100 then 1 else 0); [L22] havoc __VERIFIER_assert_~cond; [L23] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L24] assume __VERIFIER_assert_~cond == 0; [L25] assume !false; [L31] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...