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_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:19:58,736 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:19:58,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:19:58,756 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:19:58,756 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:19:58,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:19:58,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:19:58,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:19:58,763 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:19:58,764 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:19:58,765 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-03 20:19:58,790 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-03 20:19:58,804 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:19:58,804 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:19:58,805 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:19:58,805 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:19:58,806 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:19:58,806 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:19:58,807 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:19:58,807 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:19:58,807 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:19:58,807 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:19:58,807 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:19:58,808 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:19:58,808 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:19:58,808 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:19:58,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:19:58,809 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:19:58,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:19:58,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:19:58,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:19:58,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:19:58,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:19:58,811 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:19:58,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:19:58,811 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:19:58,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:19:58,812 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:19:58,812 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:19:58,812 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:19:58,812 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:19:58,812 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:19:58,813 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:19:58,813 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:19:58,813 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:19:58,813 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:19:58,814 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:19:58,814 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:19:58,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:19:58,814 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:19:58,814 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:19:58,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:19:58,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:19:58,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:19:58,862 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:19:58,862 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:19:58,863 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-12-03 20:19:58,863 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-12-03 20:19:58,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:19:58,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:19:58,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:58,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:19:58,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:19:58,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:19:58,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:19:58,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:19:58,944 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:19:58,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (1/1) ... [2018-12-03 20:19:58,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:19:58,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:19:58,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:19:58,966 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:19:58,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:19:58" (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 [2018-12-03 20:19:59,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-03 20:19:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:19:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:19:59,295 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:19:59,295 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:19:59,296 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:59 BoogieIcfgContainer [2018-12-03 20:19:59,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:19:59,297 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:19:59,297 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:19:59,297 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:19:59,298 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:19:59" (1/1) ... [2018-12-03 20:19:59,361 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:20:01,040 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:20:01,070 INFO L272 AbstractInterpreter]: Visited 7 different actions 253 times. Merged at 5 different actions 130 times. Widened at 4 different actions 106 times. Found 85 fixpoints after 4 different actions. Largest state had 0 variables. [2018-12-03 20:20:01,072 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:20:01,076 INFO L168 Benchmark]: Toolchain (without parser) took 2172.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.1 MB). Peak memory consumption was 317.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:01,079 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:20:01,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:20:01,081 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:20:01,082 INFO L168 Benchmark]: RCFGBuilder took 330.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:01,084 INFO L168 Benchmark]: Abstract Interpretation took 1777.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. [2018-12-03 20:20:01,093 INFO L336 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 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 330.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1777.70 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 296.0 MB). Peak memory consumption was 296.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 51]: 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] havoc main_#res; [L20] havoc main_#t~nondet0, main_#t~nondet1, main_~n~5, main_#t~post3, main_#t~post2, main_~m~5, main_~k~5, main_~j~5, main_#t~post4, main_~i~5; [L21] assume 0 <= main_#t~nondet0 + 2147483648 && main_#t~nondet0 <= 2147483647; [L22] main_~n~5 := main_#t~nondet0; [L23] havoc main_#t~nondet0; [L24] assume 0 <= main_#t~nondet1 + 2147483648 && main_#t~nondet1 <= 2147483647; [L25] main_~m~5 := main_#t~nondet1; [L26] havoc main_#t~nondet1; [L27] main_~k~5 := 0; [L28] havoc main_~i~5; [L29] havoc main_~j~5; [L30] assume main_~n~5 <= 10000 && 10 <= main_~n~5; [L31] assume main_~m~5 <= 10000 && 10 <= main_~m~5; [L32] main_~i~5 := 0; [L47] assume main_~i~5 < main_~n~5; [L48] main_~j~5 := 0; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L57] assume main_~j~5 < main_~m~5; [L58] main_#t~post4 := main_~k~5; [L59] main_~k~5 := main_#t~post4 + 1; [L60] havoc main_#t~post4; [L61] main_#t~post3 := main_~j~5; [L62] main_~j~5 := main_#t~post3 + 1; [L63] havoc main_#t~post3; [L66] assume !(main_~j~5 < main_~m~5); [L67] main_#t~post2 := main_~i~5; [L68] main_~i~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L47] assume main_~i~5 < main_~n~5; [L48] main_~j~5 := 0; [L66] assume !(main_~j~5 < main_~m~5); [L67] main_#t~post2 := main_~i~5; [L68] main_~i~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L47] assume main_~i~5 < main_~n~5; [L48] main_~j~5 := 0; [L66] assume !(main_~j~5 < main_~m~5); [L67] main_#t~post2 := main_~i~5; [L68] main_~i~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L47] assume main_~i~5 < main_~n~5; [L48] main_~j~5 := 0; [L66] assume !(main_~j~5 < main_~m~5); [L67] main_#t~post2 := main_~i~5; [L68] main_~i~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L47] assume main_~i~5 < main_~n~5; [L48] main_~j~5 := 0; [L66] assume !(main_~j~5 < main_~m~5); [L67] main_#t~post2 := main_~i~5; [L68] main_~i~5 := main_#t~post2 + 1; [L69] havoc main_#t~post2; [L39] assume !(main_~i~5 < main_~n~5); [L40] assume !(100 <= main_~k~5); [L41] __VERIFIER_assert_#in~cond := 0; [L42] havoc __VERIFIER_assert_~cond; [L43] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L44] assume __VERIFIER_assert_~cond == 0; [L51] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...