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/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:53,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:53,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:53,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:53,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:53,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:53,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:53,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:53,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:53,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:53,099 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:53,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:53,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:53,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:53,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:53,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:53,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:53,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:53,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:53,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:53,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:53,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:53,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:53,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:53,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:14:53,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:14:53,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:14:53,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:14:53,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:14:53,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:14:53,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:53,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:53,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:53,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:53,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:53,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:53,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:53,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:53,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:53,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:53,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:53,137 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 12:14:53,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:53,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:53,164 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:53,164 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:53,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:53,164 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:53,164 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:53,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:53,165 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:53,166 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:53,166 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:53,166 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:53,166 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:53,166 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:53,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:53,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:53,169 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:53,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:53,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:53,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:53,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:53,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:53,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:53,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:53,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:53,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:53,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:53,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:53,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:53,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:53,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:53,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:53,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:53,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:53,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:53,173 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:53,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:53,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:53,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:53,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:53,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:53,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:53,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:53,240 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:53,240 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:53,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2019-08-05 12:14:53,241 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2019-08-05 12:14:53,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:53,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:53,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:53,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:53,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:53,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:53,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:53,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:53,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:53,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:53,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:53,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:53,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:53,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:53" (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 12:14:53,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:53,647 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:53,647 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 12:14:53,648 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:53 BoogieIcfgContainer [2019-08-05 12:14:53,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:53,650 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:53,650 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:53,650 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:53,651 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:53" (1/1) ... [2019-08-05 12:14:53,682 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:53,872 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:53,899 INFO L272 AbstractInterpreter]: Visited 8 different actions 29 times. Merged at 6 different actions 15 times. Widened at 2 different actions 2 times. Performed 230 root evaluator evaluations with a maximum evaluation depth of 4. Performed 230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 5 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:14:53,899 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:53,905 INFO L168 Benchmark]: Toolchain (without parser) took 615.54 ms. Allocated memory is still 132.6 MB. Free memory was 106.6 MB in the beginning and 85.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,909 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.84 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,912 INFO L168 Benchmark]: Boogie Preprocessor took 28.47 ms. Allocated memory is still 132.6 MB. Free memory was 104.8 MB in the beginning and 103.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,913 INFO L168 Benchmark]: RCFGBuilder took 295.53 ms. Allocated memory is still 132.6 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,915 INFO L168 Benchmark]: Abstract Interpretation took 249.73 ms. Allocated memory is still 132.6 MB. Free memory was 93.7 MB in the beginning and 85.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:53,920 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.7 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 37.84 ms. Allocated memory is still 132.6 MB. Free memory was 106.4 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.47 ms. Allocated memory is still 132.6 MB. Free memory was 104.8 MB in the beginning and 103.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 295.53 ms. Allocated memory is still 132.6 MB. Free memory was 103.6 MB in the beginning and 93.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 249.73 ms. Allocated memory is still 132.6 MB. Free memory was 93.7 MB in the beginning and 85.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 66]: 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~post1, main_#t~post2, main_#t~post3, main_#t~post4, main_~n~5, main_~k~5, main_~i~5, main_~j~5; [L18] havoc main_~n~5; [L19] main_~k~5 := 0; [L20] main_~i~5 := 0; [L21] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L22] main_~n~5 := main_#t~nondet0; [L23] havoc main_#t~nondet0; [L31] assume !(main_~i~5 < main_~n~5); [L32] main_~j~5 := main_~n~5; [L45] assume !!(main_~j~5 > 0); [L46] __VERIFIER_assert_#in~cond := (if main_~k~5 > 0 then 1 else 0); [L47] havoc __VERIFIER_assert_~cond; [L48] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L62] assume __VERIFIER_assert_~cond == 0; [L63] assume !false; [L66] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...