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/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:19,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:19,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:19,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:19,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:19,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:19,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:19,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:19,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:19,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:19,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:19,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:19,589 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 12:15:19,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:19,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:19,612 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:19,612 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:19,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:19,613 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:19,613 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:19,613 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:19,613 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:19,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:19,614 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:19,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:19,614 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:19,614 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:19,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:19,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:19,615 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:19,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:19,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:19,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:19,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:19,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:19,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:19,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:19,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:19,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:19,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:19,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:19,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:19,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:19,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:19,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:19,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:19,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:19,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:19,619 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:19,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:19,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:19,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:19,620 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:19,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:19,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:19,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:19,677 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:19,678 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:19,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl [2019-08-05 12:15:19,678 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl' [2019-08-05 12:15:19,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:19,716 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:19,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:19,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:19,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:19,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:19,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:19,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:19,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:19,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:19,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:19,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:19,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:19,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:19" (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 12:15:19,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:15:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:20,133 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 12:15:20,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:20,135 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:20,136 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:20 BoogieIcfgContainer [2019-08-05 12:15:20,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:20,138 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:20,138 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:20,138 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:20,139 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:20,385 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:20,404 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 3 different actions 7 times. Widened at 1 different actions 1 times. Performed 126 root evaluator evaluations with a maximum evaluation depth of 10. Performed 126 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 5 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:15:20,405 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:20,408 INFO L168 Benchmark]: Toolchain (without parser) took 690.77 ms. Allocated memory is still 142.6 MB. Free memory was 107.2 MB in the beginning and 83.5 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,410 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.70 ms. Allocated memory is still 142.6 MB. Free memory was 107.2 MB in the beginning and 105.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,412 INFO L168 Benchmark]: Boogie Preprocessor took 21.32 ms. Allocated memory is still 142.6 MB. Free memory was 105.4 MB in the beginning and 104.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,414 INFO L168 Benchmark]: RCFGBuilder took 364.34 ms. Allocated memory is still 142.6 MB. Free memory was 104.3 MB in the beginning and 94.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,415 INFO L168 Benchmark]: Abstract Interpretation took 267.41 ms. Allocated memory is still 142.6 MB. Free memory was 94.1 MB in the beginning and 83.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:20,424 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 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 108.6 MB in the beginning and 108.4 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 33.70 ms. Allocated memory is still 142.6 MB. Free memory was 107.2 MB in the beginning and 105.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.32 ms. Allocated memory is still 142.6 MB. Free memory was 105.4 MB in the beginning and 104.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.34 ms. Allocated memory is still 142.6 MB. Free memory was 104.3 MB in the beginning and 94.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 267.41 ms. Allocated memory is still 142.6 MB. Free memory was 94.1 MB in the beginning and 83.5 MB 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: 35]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] havoc main_#res; [L14] havoc main_~y~0, main_#t~post1, main_#t~post0, main_~x~0; [L15] main_~x~0 := 0; [L16] main_~y~0 := 0; [L31] assume main_~x~0 % 4294967296 < 268435455; [L32] main_~y~0 := 0; [L47] assume main_~y~0 % 4294967296 < 10; [L48] main_#t~post0 := main_~y~0; [L49] main_~y~0 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L47] assume main_~y~0 % 4294967296 < 10; [L48] main_#t~post0 := main_~y~0; [L49] main_~y~0 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L41] assume !(main_~y~0 % 4294967296 < 10); [L42] main_#t~post1 := main_~x~0; [L43] main_~x~0 := main_#t~post1 + 1; [L44] havoc main_#t~post1; [L31] assume main_~x~0 % 4294967296 < 268435455; [L32] main_~y~0 := 0; [L47] assume main_~y~0 % 4294967296 < 10; [L48] main_#t~post0 := main_~y~0; [L49] main_~y~0 := main_#t~post0 + 1; [L50] havoc main_#t~post0; [L41] assume !(main_~y~0 % 4294967296 < 10); [L42] main_#t~post1 := main_~x~0; [L43] main_~x~0 := main_#t~post1 + 1; [L44] havoc main_#t~post1; [L23] assume !(main_~x~0 % 4294967296 < 268435455); [L24] assume (!(main_~x~0 % 2 <= 2147483647) && (((main_~x~0 % 2 + 4294967294) % 4294967296 <= 2147483647 && ((!(main_~x~0 % 4294967296 < 0) || main_~x~0 % 2 == 0) || (!(main_~x~0 % 2 == 0) && main_~x~0 % 4294967296 < 0))) || (!((main_~x~0 % 2 + 4294967294) % 4294967296 <= 2147483647) && ((!(main_~x~0 % 4294967296 < 0) || main_~x~0 % 2 == 0) || (!(main_~x~0 % 2 == 0) && main_~x~0 % 4294967296 < 0))))) || (main_~x~0 % 2 <= 2147483647 && (((main_~x~0 % 2 + 4294967294) % 4294967296 <= 2147483647 && ((!(main_~x~0 % 4294967296 < 0) || main_~x~0 % 2 == 0) || (!(main_~x~0 % 2 == 0) && main_~x~0 % 4294967296 < 0))) || (!((main_~x~0 % 2 + 4294967294) % 4294967296 <= 2147483647) && ((!(main_~x~0 % 4294967296 < 0) || main_~x~0 % 2 == 0) || (!(main_~x~0 % 2 == 0) && main_~x~0 % 4294967296 < 0))))); [L25] __VERIFIER_assert_#in~cond := (if (if main_~x~0 % 4294967296 < 0 && !(0 == main_~x~0 % 2) then main_~x~0 % 2 + -2 else main_~x~0 % 2) % 4294967296 <= 2147483647 then (if main_~x~0 % 4294967296 < 0 && !(0 == main_~x~0 % 2) then main_~x~0 % 2 + -2 else main_~x~0 % 2) % 4294967296 else (if main_~x~0 % 4294967296 < 0 && !(0 == main_~x~0 % 2) then main_~x~0 % 2 + -2 else main_~x~0 % 2) % 4294967296 + -4294967296); [L26] havoc __VERIFIER_assert_~cond; [L27] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L28] assume 0 == __VERIFIER_assert_~cond; [L35] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...