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_exp_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:06:24,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:06:24,179 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:06:24,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:06:24,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:06:24,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:06:24,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:06:24,203 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:06:24,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:06:24,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:06:24,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:06:24,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:06:24,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:06:24,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:06:24,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:06:24,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:06:24,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:06:24,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:06:24,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:06:24,230 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:06:24,231 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:06:24,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:06:24,240 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 20:06:24,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 20:06:24,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 20:06:24,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 20:06:24,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 20:06:24,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 20:06:24,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 20:06:24,248 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 20:06:24,248 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 20:06:24,249 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 20:06:24,249 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 20:06:24,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 20:06:24,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 20:06:24,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 20:06:24,251 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2018-12-03 20:06:24,267 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:06:24,268 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:06:24,269 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:06:24,269 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:06:24,269 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:06:24,269 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:06:24,270 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:06:24,270 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:06:24,270 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:06:24,270 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:06:24,270 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:06:24,271 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:06:24,271 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:06:24,271 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:06:24,271 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:06:24,272 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:06:24,272 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:06:24,272 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:06:24,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:06:24,273 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:06:24,273 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:06:24,273 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:06:24,273 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:06:24,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:06:24,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:06:24,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:06:24,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:06:24,275 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:06:24,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:06:24,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:06:24,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:06:24,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:06:24,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:06:24,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:06:24,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:06:24,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:06:24,276 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:06:24,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:06:24,277 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:06:24,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:06:24,277 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:06:24,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:06:24,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:06:24,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:06:24,341 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:06:24,342 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:06:24,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox1.i_3.bpl [2018-12-03 20:06:24,343 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox1.i_3.bpl' [2018-12-03 20:06:24,375 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:06:24,377 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:06:24,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:24,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:06:24,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:06:24,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:24,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:06:24,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:06:24,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:06:24,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:06:24,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:06:24,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:06:24,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:06:24,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:24" (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 [2018-12-03 20:06:24,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:06:24,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:06:24,732 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:06:24,732 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:06:24,733 INFO L202 PluginConnector]: Adding new model underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:24 BoogieIcfgContainer [2018-12-03 20:06:24,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:06:24,734 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:06:24,734 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:06:24,734 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:06:24,735 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "underapprox1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:24" (1/1) ... [2018-12-03 20:06:24,779 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:06:24,983 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:06:25,004 INFO L272 AbstractInterpreter]: Visited 5 different actions 13 times. Merged at 3 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 20:06:25,006 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:06:25,007 INFO L168 Benchmark]: Toolchain (without parser) took 631.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:25,010 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:25,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.89 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:25,011 INFO L168 Benchmark]: Boogie Preprocessor took 23.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-03 20:06:25,012 INFO L168 Benchmark]: RCFGBuilder took 291.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 20:06:25,013 INFO L168 Benchmark]: Abstract Interpretation took 272.71 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-12-03 20:06:25,019 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.89 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 291.09 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 272.71 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: 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: 36]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L10] havoc main_#res; [L11] havoc main_#t~post0, main_~x~4, main_~y~4; [L12] main_~x~4 := 0; [L13] main_~y~4 := 1; [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; [L21] assume !(main_~x~4 % 4294967296 < 6); [L22] __VERIFIER_assert_#in~cond := (if main_~y~4 % 4294967296 != 64 then 1 else 0); [L23] havoc __VERIFIER_assert_~cond; [L24] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L25] assume __VERIFIER_assert_~cond == 0; [L26] assume !false; [L36] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...