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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:59:54,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:59:54,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:59:54,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:59:54,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:59:54,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:59:54,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:59:54,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:59:54,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:59:54,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:59:54,978 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:59:54,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:59:54,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:59:54,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:59:54,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:59:54,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:59:54,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:59:54,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:59:54,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:59:54,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:59:54,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:59:54,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:59:54,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:59:54,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:59:54,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:59:54,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:59:54,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:59:54,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:59:54,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:59:54,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:59:55,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:59:55,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:59:55,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:59:55,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:59:55,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:59:55,004 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:59:55,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:59:55,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:59:55,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:59:55,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:59:55,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:59:55,008 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 [2019-08-04 21:59:55,021 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 21:59:55,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 21:59:55,022 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 21:59:55,022 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 21:59:55,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 21:59:55,023 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 21:59:55,023 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 21:59:55,023 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 21:59:55,023 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 21:59:55,024 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 21:59:55,024 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 21:59:55,024 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 21:59:55,024 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 21:59:55,024 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 21:59:55,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 21:59:55,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 21:59:55,026 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 21:59:55,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 21:59:55,026 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 21:59:55,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 21:59:55,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 21:59:55,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 21:59:55,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 21:59:55,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 21:59:55,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 21:59:55,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 21:59:55,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 21:59:55,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 21:59:55,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 21:59:55,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 21:59:55,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 21:59:55,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 21:59:55,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 21:59:55,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 21:59:55,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 21:59:55,030 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 21:59:55,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 21:59:55,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 21:59:55,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 21:59:55,030 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 21:59:55,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:59:55,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:59:55,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:59:55,078 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:59:55,079 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:59:55,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2019-08-04 21:59:55,080 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2019-08-04 21:59:55,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:59:55,117 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 21:59:55,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:55,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 21:59:55,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 21:59:55,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 21:59:55,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:59:55,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:59:55,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:59:55,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:59:55,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:59:55,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:59:55,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:59:55,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:59:55" (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 [2019-08-04 21:59:55,241 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-04 21:59:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:59:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:59:55,525 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-04 21:59:55,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:59:55,527 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:59:55,528 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:55 BoogieIcfgContainer [2019-08-04 21:59:55,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:59:55,529 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 21:59:55,530 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 21:59:55,530 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 21:59:55,531 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:59:55" (1/1) ... [2019-08-04 21:59:55,567 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 21:59:55,771 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 21:59:55,789 INFO L272 AbstractInterpreter]: Visited 7 different actions 23 times. Merged at 5 different actions 10 times. Never widened. Performed 138 root evaluator evaluations with a maximum evaluation depth of 8. Performed 138 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 4 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-04 21:59:55,790 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 21:59:55,793 INFO L168 Benchmark]: Toolchain (without parser) took 674.41 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 81.9 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,794 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 141.0 MB. Free memory was 105.6 MB in the beginning and 104.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,796 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 102.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,798 INFO L168 Benchmark]: RCFGBuilder took 358.55 ms. Allocated memory is still 141.0 MB. Free memory was 102.8 MB in the beginning and 93.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,799 INFO L168 Benchmark]: Abstract Interpretation took 261.02 ms. Allocated memory is still 141.0 MB. Free memory was 93.1 MB in the beginning and 81.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:59:55,803 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 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 141.0 MB. Free memory was 105.6 MB in the beginning and 104.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.53 ms. Allocated memory is still 141.0 MB. Free memory was 103.9 MB in the beginning and 102.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.55 ms. Allocated memory is still 141.0 MB. Free memory was 102.8 MB in the beginning and 93.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 261.02 ms. Allocated memory is still 141.0 MB. Free memory was 93.1 MB in the beginning and 81.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 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_~x~4, main_#t~post1, main_#t~post0, main_~y~4; [L15] main_~x~4 := 0; [L16] main_~y~4 := 0; [L31] assume main_~x~4 < 268435455 && 0 <= main_~x~4; [L32] main_~y~4 := 0; [L41] assume 0 <= main_~y~4 && main_~y~4 < 10; [L42] main_#t~post0 := main_~y~4; [L43] main_~y~4 := main_#t~post0 + 1; [L44] havoc main_#t~post0; [L47] assume main_~y~4 < 4294967296 && !(main_~y~4 < 10); [L48] main_#t~post1 := main_~x~4; [L49] main_~x~4 := main_#t~post1 + 1; [L50] havoc main_#t~post1; [L23] assume main_~x~4 < 4294967296 && !(main_~x~4 < 268435455); [L24] assume ((((0 <= main_~x~4 % 2 + 4294967294 && 0 <= main_~x~4) && 2 + 2 <= main_~x~4) && main_~x~4 < 4294967296) && main_~x~4 % 2 < 2) && !(main_~x~4 % 2 == 0); [L25] __VERIFIER_assert_#in~cond := 0; [L26] havoc __VERIFIER_assert_~cond; [L27] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L28] assume __VERIFIER_assert_~cond == 0; [L35] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...