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/count_by_1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:14:58,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:14:58,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:14:58,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:14:58,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:14:58,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:14:58,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:14:58,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:14:58,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:14:58,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:14:58,486 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:14:58,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:14:58,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:14:58,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:14:58,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:14:58,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:14:58,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:14:58,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:14:58,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:14:58,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:14:58,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:14:58,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:14:58,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:14:58,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:14:58,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:14:58,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:14:58,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:14:58,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:14:58,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:14:58,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:14:58,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:14:58,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:14:58,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:14:58,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:14:58,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:14:58,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:14:58,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:14:58,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:14:58,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:14:58,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:14:58,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:14:58,515 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 12:14:58,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:14:58,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:14:58,529 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:14:58,529 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:14:58,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:14:58,530 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:14:58,530 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:14:58,530 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:14:58,530 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:14:58,530 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:14:58,531 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:14:58,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:14:58,531 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:14:58,531 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:14:58,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:14:58,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:14:58,533 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:14:58,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:14:58,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:14:58,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:14:58,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:14:58,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:14:58,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:14:58,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:14:58,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:14:58,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:14:58,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:14:58,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:14:58,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:14:58,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:14:58,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:14:58,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:14:58,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:14:58,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:14:58,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:14:58,537 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:14:58,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:14:58,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:14:58,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:14:58,538 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:14:58,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:14:58,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:14:58,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:14:58,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:14:58,587 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:14:58,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl [2019-08-05 12:14:58,588 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1.i_3.bpl' [2019-08-05 12:14:58,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:14:58,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:14:58,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:58,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:14:58,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:14:58,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:14:58,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:14:58,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:14:58,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:14:58,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:58,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:14:58,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:14:58,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:14:58,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:14:58,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:14:58" (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 12:14:58,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:14:58,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:14:58,985 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:14:58,986 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 12:14:58,987 INFO L202 PluginConnector]: Adding new model count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:58 BoogieIcfgContainer [2019-08-05 12:14:58,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:14:58,988 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:14:58,988 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:14:58,989 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:14:58,990 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "count_by_1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:14:58" (1/1) ... [2019-08-05 12:14:59,020 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:14:59,136 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:14:59,161 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Performed 64 root evaluator evaluations with a maximum evaluation depth of 4. Performed 64 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:14:59,161 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:14:59,164 INFO L168 Benchmark]: Toolchain (without parser) took 539.45 ms. Allocated memory is still 134.2 MB. Free memory was 105.8 MB in the beginning and 87.2 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,166 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 134.2 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,168 INFO L168 Benchmark]: Boogie Preprocessor took 22.14 ms. Allocated memory is still 134.2 MB. Free memory was 104.0 MB in the beginning and 102.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,169 INFO L168 Benchmark]: RCFGBuilder took 299.33 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 94.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,170 INFO L168 Benchmark]: Abstract Interpretation took 173.25 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 87.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:14:59,176 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 was 107.0 MB in the beginning and 106.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.26 ms. Allocated memory is still 134.2 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.14 ms. Allocated memory is still 134.2 MB. Free memory was 104.0 MB in the beginning and 102.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.33 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 94.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 173.25 ms. Allocated memory is still 134.2 MB. Free memory was 94.0 MB in the beginning and 87.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L9] havoc main_#res; [L10] havoc main_#t~post0, main_~i~4; [L11] havoc main_~i~4; [L12] main_~i~4 := 0; [L28] assume !!(main_~i~4 < 1000000); [L29] main_#t~post0 := main_~i~4; [L30] main_~i~4 := main_#t~post0 + 1; [L31] havoc main_#t~post0; [L28] assume !!(main_~i~4 < 1000000); [L29] main_#t~post0 := main_~i~4; [L30] main_~i~4 := main_#t~post0 + 1; [L31] havoc main_#t~post0; [L20] assume !(main_~i~4 < 1000000); [L21] __VERIFIER_assert_#in~cond := (if main_~i~4 == 1000000 then 1 else 0); [L22] havoc __VERIFIER_assert_~cond; [L23] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L24] assume __VERIFIER_assert_~cond == 0; [L25] assume !false; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...