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/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:24,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:24,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:24,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:16:24,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:24,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:24,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:24,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:24,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:24,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:24,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:24,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:24,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:24,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:24,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:24,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:24,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:16:24,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:24,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:24,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:24,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:24,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:24,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:24,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:24,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:24,471 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 12:16:24,485 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:24,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:24,486 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:24,486 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:24,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:24,487 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:24,487 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:24,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:24,487 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:24,488 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:24,488 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:24,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:24,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:24,488 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:24,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:24,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:24,490 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:24,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:24,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:24,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:24,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:24,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:24,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:24,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:24,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:24,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:24,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:24,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:24,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:24,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:24,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:24,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:24,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:24,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:24,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:24,494 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:24,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:24,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:24,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:24,495 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:24,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:24,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:24,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:24,554 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:24,554 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:24,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2019-08-05 12:16:24,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2019-08-05 12:16:24,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:24,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:24,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:24,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:24,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:24,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:24,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:24,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:24,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:24,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:24,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:24,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:24,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:24,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:24" (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 12:16:24,741 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:24,958 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:24,959 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:24,960 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:24 BoogieIcfgContainer [2019-08-05 12:16:24,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:24,961 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:24,961 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:24,962 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:24,963 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:24" (1/1) ... [2019-08-05 12:16:24,994 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:25,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:25,146 INFO L272 AbstractInterpreter]: Visited 5 different actions 17 times. Merged at 3 different actions 9 times. Widened at 1 different actions 1 times. Performed 130 root evaluator evaluations with a maximum evaluation depth of 5. Performed 130 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:16:25,146 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:25,149 INFO L168 Benchmark]: Toolchain (without parser) took 549.21 ms. Allocated memory is still 137.9 MB. Free memory was 105.4 MB in the beginning and 85.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,151 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 137.9 MB. Free memory was 105.1 MB in the beginning and 103.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,154 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 ms. Allocated memory is still 137.9 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,155 INFO L168 Benchmark]: RCFGBuilder took 292.76 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 93.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,157 INFO L168 Benchmark]: Abstract Interpretation took 185.00 ms. Allocated memory is still 137.9 MB. Free memory was 93.1 MB in the beginning and 85.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:25,162 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 137.9 MB. Free memory was 106.6 MB in the beginning and 106.4 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 40.49 ms. Allocated memory is still 137.9 MB. Free memory was 105.1 MB in the beginning and 103.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.41 ms. Allocated memory is still 137.9 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.76 ms. Allocated memory is still 137.9 MB. Free memory was 102.5 MB in the beginning and 93.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 185.00 ms. Allocated memory is still 137.9 MB. Free memory was 93.1 MB in the beginning and 85.7 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: 46]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] havoc main_#res; [L15] havoc main_#t~nondet0, main_~n~5, main_~sum~5, main_#t~post1, main_~i~5; [L16] havoc main_~n~5; [L17] havoc main_~sum~5; [L18] havoc main_~i~5; [L19] assume 0 <= main_#t~nondet0 + 2147483648 && main_#t~nondet0 <= 2147483647; [L20] main_~n~5 := main_#t~nondet0; [L21] havoc main_#t~nondet0; [L22] assume 1 <= main_~n~5 && main_~n~5 <= 1000; [L23] main_~sum~5 := 0; [L24] main_~i~5 := 1; [L31] assume !(main_~i~5 <= main_~n~5); [L32] assume !(2 * main_~sum~5 == main_~n~5 * (main_~n~5 + 1)); [L33] __VERIFIER_assert_#in~cond := 0; [L34] havoc __VERIFIER_assert_~cond; [L35] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L36] assume __VERIFIER_assert_~cond == 0; [L46] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...