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/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:17,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:17,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:17,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:17,842 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 12:15:17,864 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:17,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:17,866 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:17,866 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:17,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:17,867 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:17,867 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:17,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:17,868 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:17,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:17,868 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:17,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:17,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:17,869 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:17,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:17,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:17,872 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:17,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:17,872 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:17,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:17,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:17,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:17,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:17,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:17,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:17,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:17,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:17,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:17,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:17,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:17,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:17,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:17,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:17,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:17,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:17,876 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:17,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:17,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:17,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:17,877 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:17,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:17,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:17,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:17,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:17,948 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:17,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl [2019-08-05 12:15:17,949 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl' [2019-08-05 12:15:17,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:17,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:17,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:17,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:17,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:18,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:18,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:18,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:18,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (1/1) ... [2019-08-05 12:15:18,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:18,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:18,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:18,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:17" (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 12:15:18,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:15:18,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:18,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:18,410 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:18,411 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:18 BoogieIcfgContainer [2019-08-05 12:15:18,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:18,412 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:18,413 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:18,414 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:18,415 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,446 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:18,674 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:18,696 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Performed 127 root evaluator evaluations with a maximum evaluation depth of 6. Performed 127 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:15:18,696 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:18,700 INFO L168 Benchmark]: Toolchain (without parser) took 707.22 ms. Allocated memory is still 141.6 MB. Free memory was 106.3 MB in the beginning and 84.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,701 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.76 ms. Allocated memory is still 141.6 MB. Free memory was 106.1 MB in the beginning and 104.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,704 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 141.6 MB. Free memory was 104.5 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,706 INFO L168 Benchmark]: RCFGBuilder took 351.45 ms. Allocated memory is still 141.6 MB. Free memory was 103.3 MB in the beginning and 93.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,707 INFO L168 Benchmark]: Abstract Interpretation took 284.48 ms. Allocated memory is still 141.6 MB. Free memory was 93.4 MB in the beginning and 84.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:18,712 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 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 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 38.76 ms. Allocated memory is still 141.6 MB. Free memory was 106.1 MB in the beginning and 104.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 141.6 MB. Free memory was 104.5 MB in the beginning and 103.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.45 ms. Allocated memory is still 141.6 MB. Free memory was 103.3 MB in the beginning and 93.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 284.48 ms. Allocated memory is still 141.6 MB. Free memory was 93.4 MB in the beginning and 84.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] ~last~0 := 0; [L20] havoc main_#res; [L21] havoc main_~st~0, main_~a~0, main_#t~ret0, main_~c~0, main_#t~post1, main_~b~0; [L22] havoc nondet_#res; [L23] havoc nondet_~x~0; [L24] havoc nondet_~x~0; [L25] nondet_#res := nondet_~x~0; [L26] main_#t~ret0 := nondet_#res; [L27] assume 0 <= main_#t~ret0 + 2147483648 && main_#t~ret0 <= 2147483647; [L28] ~last~0 := main_#t~ret0; [L29] havoc main_#t~ret0; [L30] main_~a~0 := 0; [L31] main_~b~0 := 0; [L32] main_~c~0 := 0; [L33] main_~st~0 := 0; [L34] main_~st~0 := 1; [L35] main_~c~0 := 0; [L54] assume main_~c~0 < 200000; [L55] assume !(~last~0 == main_~c~0); [L56] main_#t~post1 := main_~c~0; [L57] main_~c~0 := main_#t~post1 + 1; [L58] havoc main_#t~post1; [L54] assume main_~c~0 < 200000; [L55] assume !(~last~0 == main_~c~0); [L56] main_#t~post1 := main_~c~0; [L57] main_~c~0 := main_#t~post1 + 1; [L58] havoc main_#t~post1; [L42] assume !(main_~c~0 < 200000); [L43] assume !(0 == main_~st~0) || !(~last~0 + 1 == main_~c~0); [L44] main_~a~0 := main_~a~0 + 2; [L45] main_~b~0 := main_~b~0 + 2; [L46] assume !(0 == main_~st~0) || !(~last~0 == main_~c~0); [L47] assume (!(main_~a~0 == main_~b~0) || (main_~a~0 == main_~b~0 && 200000 == main_~c~0)) || !(200000 == main_~c~0); [L48] __VERIFIER_assert_#in~cond := (if main_~c~0 == 200000 && main_~b~0 == main_~a~0 then 1 else 0); [L49] havoc __VERIFIER_assert_~cond; [L50] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L51] assume 0 == __VERIFIER_assert_~cond; [L61] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...