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/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c78c21b [2018-12-03 20:05:23,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:05:23,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:05:23,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-12-03 20:05:23,403 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 20:05:23,419 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:05:23,420 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:05:23,420 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:05:23,421 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:05:23,421 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:05:23,421 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:05:23,421 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:05:23,422 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:05:23,422 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 20:05:23,422 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:05:23,422 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 20:05:23,422 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:05:23,422 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:05:23,426 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:05:23,426 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:05:23,427 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:05:23,427 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:05:23,427 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:05:23,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:05:23,427 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:05:23,429 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:05:23,429 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:05:23,429 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:05:23,429 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:05:23,429 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:05:23,430 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:05:23,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:05:23,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:05:23,431 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:05:23,431 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:05:23,431 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:05:23,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:05:23,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:05:23,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:05:23,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:05:23,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:05:23,433 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:05:23,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:05:23,434 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:05:23,434 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:05:23,434 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:05:23,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:05:23,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:05:23,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:05:23,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:05:23,505 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:05:23,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl [2018-12-03 20:05:23,506 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl' [2018-12-03 20:05:23,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:05:23,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:05:23,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:23,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:05:23,546 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:05:23,565 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,576 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:05:23,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:05:23,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:05:23,588 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:05:23,601 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,602 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,603 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,603 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,608 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,611 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,612 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:23,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:05:23,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:05:23,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:05:23,620 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:05:23,621 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 03.12 08:05:23" (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 20:05:23,702 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-12-03 20:05:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:05:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:05:23,986 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:05:23,988 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 20:05:23,988 INFO L202 PluginConnector]: Adding new model gcd_2.i_4.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:05:23 BoogieIcfgContainer [2018-12-03 20:05:23,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:05:23,989 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:05:23,989 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:05:23,990 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:05:23,992 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 03.12 08:05:23" (1/1) ... [2018-12-03 20:05:24,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:05:24,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 20:05:24,189 INFO L272 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-03 20:05:24,190 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-03 20:05:24,191 INFO L168 Benchmark]: Toolchain (without parser) took 647.37 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. [2018-12-03 20:05:24,194 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 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 20:05:24,196 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.77 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 20:05:24,196 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 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 20:05:24,197 INFO L168 Benchmark]: RCFGBuilder took 374.09 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 20:05:24,198 INFO L168 Benchmark]: Abstract Interpretation took 201.49 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. [2018-12-03 20:05:24,203 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 0.15 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 40.77 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 26.75 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 374.09 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 201.49 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: 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...