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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:51,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:51,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:51,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:51,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:51,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:51,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:51,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:51,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:51,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:51,906 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:51,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:51,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:51,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:51,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:51,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:51,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:51,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:51,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:51,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:51,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:51,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:51,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:51,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:51,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:14:51,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:51,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:51,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:51,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:51,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:51,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:51,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:51,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:51,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:51,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:51,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:51,944 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 12:14:51,966 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:51,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:51,967 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:51,968 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:51,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:51,968 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:51,968 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:51,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:51,969 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:51,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:51,969 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:51,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:51,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:51,970 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:51,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:51,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:51,973 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:51,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:51,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:51,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:51,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:51,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:51,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:51,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:51,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:51,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:51,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:51,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:51,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:51,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:51,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:51,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:51,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:51,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:51,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:51,978 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:51,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:51,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:51,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:51,979 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:52,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:52,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:52,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:52,052 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:52,052 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:52,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2019-08-05 12:14:52,054 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2019-08-05 12:14:52,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:52,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:52,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:52,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:52,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:52,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:52,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:52,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:52,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:52,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:52,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:52,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:52,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:52,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:52" (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 12:14:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:52,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:52,442 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:52,443 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-05 12:14:52,444 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:52 BoogieIcfgContainer [2019-08-05 12:14:52,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:52,445 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:52,445 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:52,446 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:52,447 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:52" (1/1) ... [2019-08-05 12:14:52,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:52,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:52,696 INFO L272 AbstractInterpreter]: Visited 9 different actions 43 times. Merged at 7 different actions 26 times. Widened at 4 different actions 4 times. Performed 332 root evaluator evaluations with a maximum evaluation depth of 6. Performed 332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 3 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:14:52,696 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:52,699 INFO L168 Benchmark]: Toolchain (without parser) took 587.93 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 84.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:52,700 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:14:52,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.45 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 106.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:52,703 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 105.3 MB in the end (delta: 839.9 kB). Peak memory consumption was 839.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:52,704 INFO L168 Benchmark]: RCFGBuilder took 264.68 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:52,706 INFO L168 Benchmark]: Abstract Interpretation took 251.35 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 84.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:52,712 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 0.19 ms. Allocated memory is still 134.2 MB. Free memory is still 109.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.45 ms. Allocated memory is still 134.2 MB. Free memory was 107.8 MB in the beginning and 106.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.34 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 105.3 MB in the end (delta: 839.9 kB). Peak memory consumption was 839.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 264.68 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 251.35 ms. Allocated memory is still 134.2 MB. Free memory was 94.9 MB in the beginning and 84.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 75]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] havoc main_#res; [L17] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~i~5, main_~pvlen~5, main_~tmp___1~5, main_~k~5, main_~n~5, main_~j~5; [L18] havoc main_~i~5; [L19] havoc main_~pvlen~5; [L20] havoc main_~tmp___1~5; [L21] main_~k~5 := 0; [L22] havoc main_~n~5; [L23] main_~i~5 := 0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L25] main_~pvlen~5 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L28] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L29] assume !(main_#t~nondet1 != 0 && main_~i~5 <= 1000000); [L30] havoc main_#t~nondet1; [L31] assume main_~i~5 > main_~pvlen~5; [L32] main_~pvlen~5 := main_~i~5; [L33] main_~i~5 := 0; [L37] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L49] assume !(main_#t~nondet2 != 0 && main_~i~5 <= 1000000); [L50] havoc main_#t~nondet2; [L51] main_~j~5 := 0; [L52] main_~n~5 := main_~i~5; [L56] assume !false; [L57] __VERIFIER_assert_#in~cond := (if main_~k~5 >= 0 then 1 else 0); [L58] havoc __VERIFIER_assert_~cond; [L59] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L64] assume __VERIFIER_assert_~cond == 0; [L65] assume !false; [L75] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...