java -ea -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/toy/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e4dfe74 [2018-12-18 18:21:15,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-18 18:21:15,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-18 18:21:15,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-18 18:21:15,056 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-18 18:21:15,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-18 18:21:15,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-18 18:21:15,062 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-18 18:21:15,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-18 18:21:15,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-18 18:21:15,074 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-18 18:21:15,074 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-18 18:21:15,075 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-18 18:21:15,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-18 18:21:15,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-18 18:21:15,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-18 18:21:15,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-18 18:21:15,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-18 18:21:15,093 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-18 18:21:15,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-18 18:21:15,098 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-18 18:21:15,099 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-18 18:21:15,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-18 18:21:15,109 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2018-12-18 18:21:15,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-18 18:21:15,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-18 18:21:15,123 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-18 18:21:15,123 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-18 18:21:15,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-18 18:21:15,123 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-18 18:21:15,123 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-18 18:21:15,124 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-18 18:21:15,124 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-18 18:21:15,124 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-18 18:21:15,124 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-18 18:21:15,124 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-18 18:21:15,125 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-18 18:21:15,125 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-18 18:21:15,125 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-18 18:21:15,126 INFO L133 SettingsManager]: * Use SBE=true [2018-12-18 18:21:15,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-18 18:21:15,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-18 18:21:15,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-18 18:21:15,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-18 18:21:15,127 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-18 18:21:15,127 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-18 18:21:15,127 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-18 18:21:15,127 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-18 18:21:15,127 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-18 18:21:15,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-18 18:21:15,128 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-18 18:21:15,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-18 18:21:15,128 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-18 18:21:15,128 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-18 18:21:15,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-18 18:21:15,129 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-18 18:21:15,129 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-18 18:21:15,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-18 18:21:15,129 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-18 18:21:15,130 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-18 18:21:15,130 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-18 18:21:15,130 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-18 18:21:15,130 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-18 18:21:15,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-18 18:21:15,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-18 18:21:15,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-18 18:21:15,192 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-18 18:21:15,192 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-18 18:21:15,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl [2018-12-18 18:21:15,194 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/codeblockAssertOrder01.bpl' [2018-12-18 18:21:15,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-18 18:21:15,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-18 18:21:15,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-18 18:21:15,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-18 18:21:15,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-18 18:21:15,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,280 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-18 18:21:15,280 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-18 18:21:15,280 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-18 18:21:15,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-18 18:21:15,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-18 18:21:15,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-18 18:21:15,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-18 18:21:15,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-18 18:21:15,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-18 18:21:15,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-18 18:21:15,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-18 18:21:15,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.12 06:21:15" (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 [2018-12-18 18:21:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-18 18:21:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-18 18:21:15,752 INFO L272 CfgBuilder]: Using library mode [2018-12-18 18:21:15,753 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-18 18:21:15,753 INFO L202 PluginConnector]: Adding new model codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:21:15 BoogieIcfgContainer [2018-12-18 18:21:15,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-18 18:21:15,754 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-18 18:21:15,754 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-18 18:21:15,755 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-18 18:21:15,756 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "codeblockAssertOrder01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:21:15" (1/1) ... [2018-12-18 18:21:15,789 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-18 18:21:16,115 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-18 18:21:16,135 INFO L272 AbstractInterpreter]: Visited 6 different actions 12 times. Merged at 1 different actions 3 times. Never widened. Performed 50 root evaluator evaluations with a maximum evaluation depth of 3. Performed 50 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2018-12-18 18:21:16,137 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-18 18:21:16,138 INFO L168 Benchmark]: Toolchain (without parser) took 899.07 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. [2018-12-18 18:21:16,140 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 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. [2018-12-18 18:21:16,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.82 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. [2018-12-18 18:21:16,142 INFO L168 Benchmark]: Boogie Preprocessor took 33.54 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. [2018-12-18 18:21:16,143 INFO L168 Benchmark]: RCFGBuilder took 436.14 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. [2018-12-18 18:21:16,144 INFO L168 Benchmark]: Abstract Interpretation took 382.75 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. [2018-12-18 18:21:16,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 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 41.82 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 33.54 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 436.14 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 382.75 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: 21]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] i := 0; [L15] COND TRUE i <= 1000 [L16] i := i + 1; [L15] COND TRUE i <= 1000 [L16] i := i + 1; [L15] COND FALSE !(i <= 1000) [L18] a[p] := 5; [L19] assume p > 41 && p < 43; [L20] assume q > 41 && q < 43; [L21] assert a[q] == 5; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...