java -ea -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/heapseparator/speedup-poc-dd-6-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:21:14,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:21:14,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:21:14,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:21:14,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:21:14,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:21:14,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:21:14,521 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:21:14,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:21:14,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:21:14,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 15:21:14,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 15:21:14,526 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 15:21:14,527 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 15:21:14,528 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 15:21:14,529 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 15:21:14,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 15:21:14,533 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 15:21:14,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 15:21:14,542 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 15:21:14,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 15:21:14,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 15:21:14,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-07 15:21:14,552 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-07 15:21:14,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-07 15:21:14,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-07 15:21:14,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-07 15:21:14,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-07 15:21:14,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-07 15:21:14,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-07 15:21:14,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-07 15:21:14,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-07 15:21:14,569 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 [2019-01-07 15:21:14,587 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:21:14,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:21:14,588 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:21:14,588 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:21:14,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:21:14,589 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:21:14,589 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:21:14,589 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:21:14,589 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 15:21:14,590 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:21:14,590 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 15:21:14,590 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 15:21:14,590 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:21:14,590 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:21:14,591 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:21:14,591 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:21:14,592 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:21:14,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:21:14,592 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:21:14,592 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:21:14,592 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:21:14,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:21:14,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:21:14,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:21:14,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:21:14,593 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:21:14,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:21:14,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:21:14,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:21:14,594 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:21:14,594 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:21:14,595 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:21:14,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:21:14,595 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:21:14,595 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:21:14,595 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:21:14,596 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:21:14,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:21:14,596 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:21:14,596 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:21:14,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:21:14,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:21:14,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:21:14,669 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:21:14,669 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:21:14,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl [2019-01-07 15:21:14,671 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-6-limited.bpl' [2019-01-07 15:21:14,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:21:14,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:21:14,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:14,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:21:14,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:21:14,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:14,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:21:14,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:21:14,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:21:14,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (1/1) ... [2019-01-07 15:21:14,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:21:14,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:21:14,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:21:14,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:21:14,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:14" (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 [2019-01-07 15:21:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:21:14,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:21:15,792 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:21:15,793 INFO L286 CfgBuilder]: Removed 15 assue(true) statements. [2019-01-07 15:21:15,795 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:15 BoogieIcfgContainer [2019-01-07 15:21:15,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:21:15,796 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:21:15,796 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:21:15,796 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:21:15,797 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-6-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:15" (1/1) ... [2019-01-07 15:21:15,833 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:21:19,031 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:19,031 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:19,032 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:19,034 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:19,034 WARN L224 ngHoareTripleChecker]: Pre: {2147483643#(forall ((v_idx_36 Int) (v_idx_37 Int) (v_idx_34 Int) (v_idx_35 Int) (v_idx_32 Int) (v_idx_33 Int) (v_idx_31 Int) (v_idx_38 Int) (v_idx_39 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_81_1 Int) (v_v_80_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_35_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_b_47_1 Int) (v_b_34_1 Int)) (and (or (< v_idx_38 v_b_34_1) (<= v_b_35_1 v_idx_38) (= (select |c_#valid| v_idx_38) v_v_63_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_36)) (or (<= v_b_47_1 v_idx_33) (= (select |c_#memory_int| v_idx_33) v_v_81_1) (< v_idx_33 v_b_46_1)) (or (< v_idx_34 v_b_47_1) (= (select |c_#memory_int| v_idx_34) v_v_82_1)) (or (= (select |c_#valid| v_idx_37) v_v_62_1) (<= v_b_34_1 v_idx_37)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_31)) (= v_v_63_1 1) (or (<= v_b_46_1 v_idx_32) (= (select |c_#memory_int| v_idx_32) v_v_80_1)) (or (< v_idx_39 v_b_35_1) (= (select |c_#valid| v_idx_39) v_v_64_1)) (= v_v_81_1 0) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_35) v_v_56_1))))} [2019-01-07 15:21:19,038 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-01-07 15:21:19,039 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-01-07 15:21:19,040 WARN L230 ngHoareTripleChecker]: Post: {2147483642#(forall ((v_idx_45 Int) (v_idx_46 Int) (v_idx_43 Int) (v_idx_44 Int) (v_idx_41 Int) (v_idx_42 Int) (v_idx_40 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_95_1 Int) (v_v_64_1 Int) (v_v_2_1 Int) (v_b_35_1 Int) (v_v_4_1 Int) (v_b_34_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_40)) (= (select |c_#memory_int| v_idx_41) v_v_95_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_42) v_v_56_1) (or (< v_idx_46 v_b_35_1) (= v_v_64_1 (select |c_#valid| v_idx_46))) (or (= (select |c_#valid| v_idx_44) v_v_62_1) (<= v_b_34_1 v_idx_44)) (= v_v_63_1 1) (= v_v_2_1 (select |c_old(#valid)| v_idx_43)) (or (= (select |c_#valid| v_idx_45) v_v_63_1) (< v_idx_45 v_b_34_1) (<= v_b_35_1 v_idx_45)))))} [2019-01-07 15:21:19,040 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:19,488 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:19,488 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:19,854 WARN L270 ngHoareTripleChecker]: Pre: {2147483643#true} [2019-01-07 15:21:19,854 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-01-07 15:21:19,858 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p1 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p1) 1))) [2019-01-07 15:21:19,985 WARN L276 ngHoareTripleChecker]: Post: {2147483642#true} [2019-01-07 15:21:22,125 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:22,125 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:22,126 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:22,126 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:22,127 WARN L224 ngHoareTripleChecker]: Pre: {2147483641#(forall ((v_idx_47 Int) (v_idx_48 Int) (v_idx_54 Int) (v_idx_55 Int) (v_idx_52 Int) (v_idx_53 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_49 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_81_1 Int) (v_v_80_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_35_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_b_47_1 Int) (v_b_34_1 Int)) (and (= v_v_2_1 (select |c_old(#valid)| v_idx_52)) (or (= v_v_62_1 (select |c_#valid| v_idx_53)) (<= v_b_34_1 v_idx_53)) (or (= (select |c_#memory_int| v_idx_48) v_v_80_1) (<= v_b_46_1 v_idx_48)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_51) v_v_56_1) (or (<= v_b_35_1 v_idx_54) (= v_v_63_1 (select |c_#valid| v_idx_54)) (< v_idx_54 v_b_34_1)) (or (= v_v_64_1 (select |c_#valid| v_idx_55)) (< v_idx_55 v_b_35_1)) (= v_v_63_1 1) (= v_v_81_1 0) (or (= (select |c_#memory_int| v_idx_49) v_v_81_1) (< v_idx_49 v_b_46_1) (<= v_b_47_1 v_idx_49)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_47)) (or (< v_idx_50 v_b_47_1) (= (select |c_#memory_int| v_idx_50) v_v_82_1)))))} [2019-01-07 15:21:22,127 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 15:21:22,127 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 15:21:22,128 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(forall ((v_idx_58 Int) (v_idx_59 Int) (v_idx_56 Int) (v_idx_57 Int) (v_idx_61 Int) (v_idx_62 Int) (v_idx_60 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_2_1 Int) (v_v_114_1 Int) (v_b_35_1 Int) (v_v_4_1 Int) (v_b_34_1 Int)) (and (= (select |c_old(#valid)| v_idx_59) v_v_2_1) (or (< v_idx_62 v_b_35_1) (= (select |c_#valid| v_idx_62) v_v_64_1)) (or (= (select |c_#valid| v_idx_60) v_v_62_1) (<= v_b_34_1 v_idx_60)) (or (= (select |c_#valid| v_idx_61) v_v_63_1) (< v_idx_61 v_b_34_1) (<= v_b_35_1 v_idx_61)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_56)) (= v_v_56_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_58)) (= v_v_63_1 1) (= (select |c_#memory_int| v_idx_57) v_v_114_1))))} [2019-01-07 15:21:22,128 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:22,617 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:22,618 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:22,862 WARN L270 ngHoareTripleChecker]: Pre: {2147483641#true} [2019-01-07 15:21:22,862 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p5 := #memory_int[main_p5] + 1]; [2019-01-07 15:21:22,862 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p5 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p5) 1))) [2019-01-07 15:21:23,106 WARN L276 ngHoareTripleChecker]: Post: {2147483640#true} [2019-01-07 15:21:25,768 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:25,768 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:25,769 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:25,769 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:25,770 WARN L224 ngHoareTripleChecker]: Pre: {2147483631#(forall ((v_idx_127 Int) (v_idx_135 Int) (v_idx_128 Int) (v_idx_129 Int) (v_idx_130 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_131 Int) (v_idx_132 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_81_1 Int) (v_v_80_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_b_35_1 Int) (v_b_47_1 Int) (v_b_34_1 Int)) (and (or (= (select |c_#memory_int| v_idx_130) v_v_82_1) (< v_idx_130 v_b_47_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_127)) (or (= v_v_62_1 (select |c_#valid| v_idx_133)) (<= v_b_34_1 v_idx_133)) (or (<= v_b_47_1 v_idx_129) (= v_v_81_1 (select |c_#memory_int| v_idx_129)) (< v_idx_129 v_b_46_1)) (or (< v_idx_135 v_b_35_1) (= v_v_64_1 (select |c_#valid| v_idx_135))) (= v_v_63_1 1) (= v_v_2_1 (select |c_old(#valid)| v_idx_132)) (= v_v_81_1 0) (or (< v_idx_134 v_b_34_1) (<= v_b_35_1 v_idx_134) (= v_v_63_1 (select |c_#valid| v_idx_134))) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_131) v_v_56_1) (or (<= v_b_46_1 v_idx_128) (= (select |c_#memory_int| v_idx_128) v_v_80_1)))))} [2019-01-07 15:21:25,770 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-01-07 15:21:25,770 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-01-07 15:21:25,771 WARN L230 ngHoareTripleChecker]: Post: {2147483630#(forall ((v_idx_137 Int) (v_idx_138 Int) (v_idx_136 Int) (v_idx_139 Int) (v_idx_140 Int) (v_idx_141 Int) (v_idx_142 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_2_1 Int) (v_b_35_1 Int) (v_v_4_1 Int) (v_v_177_1 Int) (v_b_34_1 Int)) (and (= (select |c_#memory_int| v_idx_137) v_v_177_1) (or (< v_idx_141 v_b_34_1) (= v_v_63_1 (select |c_#valid| v_idx_141)) (<= v_b_35_1 v_idx_141)) (or (= v_v_64_1 (select |c_#valid| v_idx_142)) (< v_idx_142 v_b_35_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_139)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_138) v_v_56_1) (= v_v_63_1 1) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_136)) (or (= v_v_62_1 (select |c_#valid| v_idx_140)) (<= v_b_34_1 v_idx_140)))))} [2019-01-07 15:21:25,771 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:26,277 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:26,277 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:26,537 WARN L270 ngHoareTripleChecker]: Pre: {2147483631#true} [2019-01-07 15:21:26,537 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p3 := #memory_int[main_p3] + 1]; [2019-01-07 15:21:26,537 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= |c_#memory_int_primed| (store |c_#memory_int| c_ULTIMATE.start_main_p3 (+ (select |c_#memory_int| c_ULTIMATE.start_main_p3) 1))) [2019-01-07 15:21:26,557 WARN L276 ngHoareTripleChecker]: Post: {2147483630#true} [2019-01-07 15:21:30,844 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:30,844 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:30,844 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:30,845 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:30,845 WARN L224 ngHoareTripleChecker]: Pre: {2147483605#(forall ((v_idx_388 Int) (v_idx_389 Int) (v_idx_383 Int) (v_idx_386 Int) (v_idx_387 Int) (v_idx_384 Int) (v_idx_385 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_64_1 Int) (v_v_2_1 Int) (v_b_35_1 Int) (v_v_472_1 Int) (v_v_4_1 Int) (v_b_34_1 Int)) (and (= v_v_472_1 (select |c_#memory_int| v_idx_384)) (or (<= v_b_34_1 v_idx_387) (= v_v_62_1 (select |c_#valid| v_idx_387))) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_385) v_v_56_1) (= (select |c_old(#memory_int)| v_idx_383) v_v_4_1) (or (< v_idx_389 v_b_35_1) (= v_v_64_1 (select |c_#valid| v_idx_389))) (= v_v_2_1 (select |c_old(#valid)| v_idx_386)) (= v_v_63_1 1) (or (<= v_b_35_1 v_idx_388) (= v_v_63_1 (select |c_#valid| v_idx_388)) (< v_idx_388 v_b_34_1)))))} [2019-01-07 15:21:30,845 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p4] <= 0); [2019-01-07 15:21:30,845 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p4) 0)) [2019-01-07 15:21:30,845 WARN L230 ngHoareTripleChecker]: Post: {2147483604#(forall ((v_idx_390 Int) (v_idx_393 Int) (v_idx_394 Int) (v_idx_391 Int) (v_idx_392 Int) (v_idx_395 Int) (v_idx_396 Int)) (exists ((v_v_56_1 Int) (v_v_62_1 Int) (v_v_63_1 Int) (v_v_478_1 Int) (v_v_64_1 Int) (v_v_2_1 Int) (v_b_35_1 Int) (v_v_4_1 Int) (v_b_34_1 Int)) (and (= v_v_478_1 (select |c_#memory_int| v_idx_391)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_392) v_v_56_1) (= (select |c_old(#valid)| v_idx_393) v_v_2_1) (or (= v_v_63_1 (select |c_#valid| v_idx_395)) (< v_idx_395 v_b_34_1) (<= v_b_35_1 v_idx_395)) (= v_v_63_1 1) (or (<= v_b_34_1 v_idx_394) (= v_v_62_1 (select |c_#valid| v_idx_394))) (or (= v_v_64_1 (select |c_#valid| v_idx_396)) (< v_idx_396 v_b_35_1)) (= (select |c_old(#memory_int)| v_idx_390) v_v_4_1))))} [2019-01-07 15:21:30,846 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:31,368 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:31,368 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:31,563 WARN L270 ngHoareTripleChecker]: Pre: {2147483605#true} [2019-01-07 15:21:31,563 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p4] <= 0); [2019-01-07 15:21:31,564 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p4) 0)) [2019-01-07 15:21:31,591 WARN L276 ngHoareTripleChecker]: Post: {2147483604#true} [2019-01-07 15:21:31,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:21:31,726 INFO L272 AbstractInterpreter]: Visited 20 different actions 28 times. Merged at 1 different actions 1 times. Never widened. Found 13 fixpoints after 8 different actions. Largest state had 0 variables. [2019-01-07 15:21:31,728 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:21:31,730 INFO L168 Benchmark]: Toolchain (without parser) took 17011.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 274.9 MB). Peak memory consumption was 274.9 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:31,732 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:31,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:31,734 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:31,735 INFO L168 Benchmark]: RCFGBuilder took 946.29 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:31,736 INFO L168 Benchmark]: Abstract Interpretation took 15933.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:31,741 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 86.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 946.29 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 15933.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 243.2 MB). Peak memory consumption was 243.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 53]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 54]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 55]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 56]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 57]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; [L57] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 58]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L62-L63] modifies #valid; [L62-L64] ensures old(#valid)[ptr] == 0; [L62-L65] ensures #valid == old(#valid)[ptr := 1]; [L24] assume p1 < p2; [L25] assume p2 < p3; [L26] assume p3 < p4; [L27] assume p4 < p5; [L28] assume p5 < p6; [L30] #memory_int[p1] := 0; [L31] #memory_int[p2] := 0; [L32] #memory_int[p3] := 0; [L33] #memory_int[p4] := 0; [L34] #memory_int[p5] := 0; [L35] #memory_int[p6] := 0; [L53] assert #memory_int[p1] >= 0; [L54] assert #memory_int[p2] <= 0; [L55] assert #memory_int[p3] >= 0; [L56] assert #memory_int[p4] <= 0; [L57] assert #memory_int[p5] >= 0; [L58] assert #memory_int[p6] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...