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/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:18,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:18,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:18,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:18,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:18,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:18,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:18,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:18,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:18,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:18,972 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:18,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:16:18,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:18,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:18,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:18,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:18,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:18,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:18,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:18,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:16:18,998 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 12:16:19,013 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:19,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:19,014 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:19,014 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:19,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:19,015 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:19,015 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:19,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:19,016 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:19,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:19,016 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:19,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:19,016 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:19,017 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:19,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:19,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:19,020 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:19,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:19,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:19,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:19,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:19,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:19,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:19,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:19,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:19,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:19,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:19,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:19,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:19,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:19,024 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:19,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:19,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:19,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:19,025 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:19,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:19,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:19,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:19,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:19,081 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:19,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2019-08-05 12:16:19,083 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2019-08-05 12:16:19,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:19,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:19,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:19,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:19,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:19,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:19,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:19,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:19,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:19,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:19,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:19,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:19,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:19,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:19" (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 12:16:19,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:19,527 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:19,527 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:19,528 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:19 BoogieIcfgContainer [2019-08-05 12:16:19,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:19,529 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:19,530 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:19,530 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:19,531 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:19" (1/1) ... [2019-08-05 12:16:19,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:19,656 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:19,679 INFO L272 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Performed 56 root evaluator evaluations with a maximum evaluation depth of 6. Performed 56 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:16:19,679 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:19,682 INFO L168 Benchmark]: Toolchain (without parser) took 555.88 ms. Allocated memory is still 133.7 MB. Free memory was 107.3 MB in the beginning and 87.4 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,683 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:16:19,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.3 MB in the beginning and 105.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,686 INFO L168 Benchmark]: Boogie Preprocessor took 30.58 ms. Allocated memory is still 133.7 MB. Free memory was 105.6 MB in the beginning and 104.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,687 INFO L168 Benchmark]: RCFGBuilder took 337.02 ms. Allocated memory is still 133.7 MB. Free memory was 104.3 MB in the beginning and 94.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,689 INFO L168 Benchmark]: Abstract Interpretation took 149.63 ms. Allocated memory is still 133.7 MB. Free memory was 94.4 MB in the beginning and 87.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:19,694 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 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.3 MB in the beginning and 105.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.58 ms. Allocated memory is still 133.7 MB. Free memory was 105.6 MB in the beginning and 104.8 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 337.02 ms. Allocated memory is still 133.7 MB. Free memory was 104.3 MB in the beginning and 94.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 149.63 ms. Allocated memory is still 133.7 MB. Free memory was 94.4 MB in the beginning and 87.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 67]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L21] havoc main_#res; [L22] havoc main_#t~nondet0, main_#t~nondet1, main_#t~ret2, main_~y~7, main_~x~7, main_~g~7; [L23] assume 0 <= main_#t~nondet0 + 128 && main_#t~nondet0 <= 127; [L24] main_~x~7 := main_#t~nondet0; [L25] havoc main_#t~nondet0; [L26] assume main_#t~nondet1 <= 127 && 0 <= main_#t~nondet1 + 128; [L27] main_~y~7 := main_#t~nondet1; [L28] havoc main_#t~nondet1; [L29] havoc main_~g~7; [L30] gcd_test_#in~b, gcd_test_#in~a := main_~y~7, main_~x~7; [L31] havoc gcd_test_#res; [L32] havoc gcd_test_~a, gcd_test_~b, gcd_test_~t~5; [L33] gcd_test_~a := gcd_test_#in~a; [L34] gcd_test_~b := gcd_test_#in~b; [L35] havoc gcd_test_~t~5; [L36] assume gcd_test_~a < 0; [L37] assume -256 <= 255 * gcd_test_~a && 255 * gcd_test_~a < 0; [L38] gcd_test_~a := 255 * gcd_test_~a + 256; [L39] assume !(gcd_test_~b < 0); [L53] assume gcd_test_~b == 0; [L54] gcd_test_#res := gcd_test_~a; [L55] main_#t~ret2 := gcd_test_#res; [L56] assume 0 <= main_#t~ret2 + 128 && main_#t~ret2 <= 127; [L57] main_~g~7 := main_#t~ret2; [L58] havoc main_#t~ret2; [L59] assume 0 < main_~y~7; [L60] assume !(main_~g~7 <= main_~y~7); [L61] __VERIFIER_assert_#in~cond := 0; [L62] havoc __VERIFIER_assert_~cond; [L63] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L64] assume __VERIFIER_assert_~cond == 0; [L67] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...