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/toy/nonlinear/NonlinearInvariant1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:06:45,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:06:45,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:06:45,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:06:45,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:06:45,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:06:45,601 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:06:45,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:06:45,604 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:06:45,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:06:45,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:06:45,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:06:45,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:06:45,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:06:45,610 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:06:45,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:06:45,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:06:45,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:06:45,615 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:06:45,617 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:06:45,618 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:06:45,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:06:45,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:06:45,632 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 20:06:45,645 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:06:45,645 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:06:45,646 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:06:45,646 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:06:45,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:06:45,647 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:06:45,647 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:06:45,647 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:06:45,647 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:06:45,648 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:06:45,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:06:45,649 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:06:45,650 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:06:45,650 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:06:45,650 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:06:45,650 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:06:45,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:06:45,651 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:06:45,652 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:06:45,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:06:45,652 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:06:45,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:06:45,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:06:45,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:06:45,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:06:45,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:06:45,653 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:06:45,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:06:45,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:06:45,654 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:06:45,654 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:06:45,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:06:45,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:06:45,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:06:45,725 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:06:45,725 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:06:45,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2018-12-03 20:06:45,726 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2018-12-03 20:06:45,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:06:45,764 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:06:45,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:45,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:06:45,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:06:45,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,798 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-03 20:06:45,799 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-03 20:06:45,799 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-03 20:06:45,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:06:45,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:06:45,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:06:45,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:06:45,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (1/1) ... [2018-12-03 20:06:45,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:06:45,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:06:45,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:06:45,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:06:45,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:06:45" (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 20:06:45,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-03 20:06:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 20:06:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 20:06:45,987 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-03 20:06:46,079 INFO L272 CfgBuilder]: Using library mode [2018-12-03 20:06:46,080 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:06:46,080 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:46 BoogieIcfgContainer [2018-12-03 20:06:46,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:06:46,081 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:06:46,081 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:06:46,082 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:06:46,083 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:06:46" (1/1) ... [2018-12-03 20:06:46,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:06:46,220 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:06:46,240 INFO L272 AbstractInterpreter]: Visited 9 different actions 9 times. Never merged. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 0 variables. [2018-12-03 20:06:46,242 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:06:46,243 INFO L168 Benchmark]: Toolchain (without parser) took 480.74 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 20:06:46,246 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 20:06:46,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.29 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 20:06:46,249 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 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 20:06:46,250 INFO L168 Benchmark]: RCFGBuilder took 253.55 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 20:06:46,252 INFO L168 Benchmark]: Abstract Interpretation took 161.21 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 20:06:46,261 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 0.20 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 37.29 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 24.13 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 253.55 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 161.21 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 15]: Unable to prove that procedure postcondition always holds Unable to prove that procedure postcondition always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15-L16] requires in1 * in2 > 0; [L21] tmp1 := in1; [L22] tmp2 := in2; [L35] out1 := tmp1; [L36] out2 := tmp2; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...