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-10-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 15:07:13,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 15:07:13,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 15:07:13,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-18 15:07:13,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-18 15:07:13,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-18 15:07:13,436 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-18 15:07:13,437 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-18 15:07:13,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-18 15:07:13,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-18 15:07:13,441 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-18 15:07:13,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-18 15:07:13,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-18 15:07:13,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-18 15:07:13,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-18 15:07:13,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-18 15:07:13,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-18 15:07:13,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-18 15:07:13,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-18 15:07:13,452 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-18 15:07:13,453 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-18 15:07:13,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-18 15:07:13,457 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-18 15:07:13,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-18 15:07:13,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-18 15:07:13,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-18 15:07:13,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-18 15:07:13,461 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-18 15:07:13,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-18 15:07:13,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-18 15:07:13,463 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-18 15:07:13,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-18 15:07:13,466 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 [2019-01-18 15:07:13,479 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 15:07:13,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 15:07:13,480 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 15:07:13,481 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 15:07:13,481 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 15:07:13,481 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 15:07:13,481 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 15:07:13,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 15:07:13,482 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-18 15:07:13,482 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 15:07:13,482 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-18 15:07:13,482 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 15:07:13,482 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 15:07:13,483 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 15:07:13,483 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 15:07:13,484 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 15:07:13,484 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 15:07:13,484 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 15:07:13,484 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 15:07:13,484 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 15:07:13,485 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 15:07:13,485 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 15:07:13,485 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 15:07:13,485 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 15:07:13,485 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 15:07:13,486 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 15:07:13,486 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 15:07:13,486 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 15:07:13,486 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 15:07:13,486 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 15:07:13,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 15:07:13,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 15:07:13,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 15:07:13,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 15:07:13,487 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 15:07:13,488 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 15:07:13,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 15:07:13,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 15:07:13,488 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 15:07:13,488 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 15:07:13,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 15:07:13,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 15:07:13,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 15:07:13,545 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 15:07:13,546 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 15:07:13,547 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl [2019-01-18 15:07:13,547 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-10-unlimited.bpl' [2019-01-18 15:07:13,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 15:07:13,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 15:07:13,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 15:07:13,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 15:07:13,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 15:07:13,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 15:07:13,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 15:07:13,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 15:07:13,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 15:07:13,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (1/1) ... [2019-01-18 15:07:13,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 15:07:13,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 15:07:13,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 15:07:13,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 15:07:13,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:07:13" (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 [2019-01-18 15:07:13,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 15:07:13,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 15:07:15,101 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 15:07:15,102 INFO L286 CfgBuilder]: Removed 23 assue(true) statements. [2019-01-18 15:07:15,103 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:07:15 BoogieIcfgContainer [2019-01-18 15:07:15,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 15:07:15,104 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-18 15:07:15,105 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-18 15:07:15,105 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-18 15:07:15,106 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-10-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:07:15" (1/1) ... [2019-01-18 15:07:15,155 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 15:07:22,450 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 15:07:22,451 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 15:07:22,451 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 15:07:22,452 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 15:07:22,453 WARN L224 ngHoareTripleChecker]: Pre: {2147483581#(forall ((v_idx_599 Int) (v_idx_600 Int) (v_idx_597 Int) (v_idx_598 Int) (v_idx_601 Int) (v_idx_595 Int) (v_idx_596 Int)) (exists ((v_v_102_1 Int) (v_v_759_1 Int) (v_v_96_1 Int) (v_v_104_1 Int) (v_v_2_1 Int) (v_b_59_1 Int) (v_b_58_1 Int) (v_v_4_1 Int)) (and (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_595) v_v_96_1) (or (= v_v_102_1 (select |c_#valid| v_idx_597)) (<= v_b_58_1 v_idx_597)) (= (select |c_#memory_int| v_idx_601) v_v_759_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_596)) (or (< v_idx_598 v_b_58_1) (= 1 (select |c_#valid| v_idx_598)) (<= v_b_59_1 v_idx_598)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_600)) (or (= v_v_104_1 (select |c_#valid| v_idx_599)) (< v_idx_599 v_b_59_1)))))} [2019-01-18 15:07:22,456 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p6] <= 0); [2019-01-18 15:07:22,457 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p6) 0)) [2019-01-18 15:07:22,458 WARN L230 ngHoareTripleChecker]: Post: {2147483580#(forall ((v_idx_603 Int) (v_idx_604 Int) (v_idx_602 Int) (v_idx_607 Int) (v_idx_608 Int) (v_idx_605 Int) (v_idx_606 Int)) (exists ((v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_b_59_1 Int) (v_v_762_1 Int) (v_b_58_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_605 v_b_58_1) (= (select |c_#valid| v_idx_605) 1) (<= v_b_59_1 v_idx_605)) (or (= v_v_102_1 (select |c_#valid| v_idx_604)) (<= v_b_58_1 v_idx_604)) (or (< v_idx_606 v_b_59_1) (= (select |c_#valid| v_idx_606) v_v_104_1)) (= v_v_96_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_602)) (= (select |c_old(#memory_int)| v_idx_607) v_v_4_1) (= (select |c_#memory_int| v_idx_608) v_v_762_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_603)))))} [2019-01-18 15:07:22,458 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 15:07:22,884 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 15:07:22,885 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 15:07:23,268 WARN L270 ngHoareTripleChecker]: Pre: {2147483581#true} [2019-01-18 15:07:23,268 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p6] <= 0); [2019-01-18 15:07:23,269 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p6) 0)) [2019-01-18 15:07:23,503 WARN L276 ngHoareTripleChecker]: Post: {2147483580#true} [2019-01-18 15:07:25,656 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-18 15:07:25,656 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-18 15:07:25,657 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-18 15:07:25,657 WARN L223 ngHoareTripleChecker]: -- [2019-01-18 15:07:25,657 WARN L224 ngHoareTripleChecker]: Pre: {2147483573#(forall ((v_idx_654 Int) (v_idx_655 Int) (v_idx_652 Int) (v_idx_653 Int) (v_idx_656 Int) (v_idx_657 Int) (v_idx_651 Int)) (exists ((v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_771_1 Int) (v_v_2_1 Int) (v_b_59_1 Int) (v_b_58_1 Int) (v_v_4_1 Int)) (and (or (< v_idx_655 v_b_59_1) (= (select |c_#valid| v_idx_655) v_v_104_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_651) v_v_96_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_652)) (= (select |c_#memory_int| v_idx_657) v_v_771_1) (or (<= v_b_58_1 v_idx_653) (= v_v_102_1 (select |c_#valid| v_idx_653))) (or (= (select |c_#valid| v_idx_654) 1) (<= v_b_59_1 v_idx_654) (< v_idx_654 v_b_58_1)) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_656)))))} [2019-01-18 15:07:25,658 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-18 15:07:25,658 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-18 15:07:25,658 WARN L230 ngHoareTripleChecker]: Post: {2147483572#(forall ((v_idx_663 Int) (v_idx_664 Int) (v_idx_658 Int) (v_idx_659 Int) (v_idx_661 Int) (v_idx_662 Int) (v_idx_660 Int)) (exists ((v_v_102_1 Int) (v_v_104_1 Int) (v_v_96_1 Int) (v_v_2_1 Int) (v_b_59_1 Int) (v_b_58_1 Int) (v_v_4_1 Int) (v_v_774_1 Int)) (and (or (<= v_b_58_1 v_idx_660) (= v_v_102_1 (select |c_#valid| v_idx_660))) (= v_v_2_1 (select |c_old(#valid)| v_idx_659)) (or (< v_idx_662 v_b_59_1) (= (select |c_#valid| v_idx_662) v_v_104_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_658) v_v_96_1) (= (select |c_#memory_int| v_idx_664) v_v_774_1) (or (< v_idx_661 v_b_58_1) (<= v_b_59_1 v_idx_661) (= 1 (select |c_#valid| v_idx_661))) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_663)))))} [2019-01-18 15:07:25,658 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-18 15:07:26,176 WARN L268 ngHoareTripleChecker]: -- [2019-01-18 15:07:26,176 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-18 15:07:26,453 WARN L270 ngHoareTripleChecker]: Pre: {2147483573#true} [2019-01-18 15:07:26,454 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-18 15:07:26,454 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-18 15:07:26,606 WARN L276 ngHoareTripleChecker]: Post: {2147483572#true} [2019-01-18 15:07:26,836 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-18 15:07:26,875 INFO L272 AbstractInterpreter]: Visited 32 different actions 44 times. Merged at 1 different actions 1 times. Never widened. Found 21 fixpoints after 12 different actions. Largest state had 0 variables. [2019-01-18 15:07:26,878 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-18 15:07:26,879 INFO L168 Benchmark]: Toolchain (without parser) took 13262.46 ms. Allocated memory was 140.5 MB in the beginning and 238.0 MB in the end (delta: 97.5 MB). Free memory was 106.4 MB in the beginning and 111.0 MB in the end (delta: -4.6 MB). Peak memory consumption was 114.1 MB. Max. memory is 7.1 GB. [2019-01-18 15:07:26,882 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 15:07:26,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.52 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 103.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-01-18 15:07:26,884 INFO L168 Benchmark]: Boogie Preprocessor took 44.85 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-01-18 15:07:26,885 INFO L168 Benchmark]: RCFGBuilder took 1349.31 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 62.9 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2019-01-18 15:07:26,887 INFO L168 Benchmark]: Abstract Interpretation took 11773.53 ms. Allocated memory was 140.5 MB in the beginning and 238.0 MB in the end (delta: 97.5 MB). Free memory was 62.5 MB in the beginning and 111.0 MB in the end (delta: -48.5 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. [2019-01-18 15:07:26,893 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 0.25 ms. Allocated memory is still 140.5 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.52 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 103.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.85 ms. Allocated memory is still 140.5 MB. Free memory was 103.4 MB in the beginning and 102.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1349.31 ms. Allocated memory is still 140.5 MB. Free memory was 102.2 MB in the beginning and 62.9 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 11773.53 ms. Allocated memory was 140.5 MB in the beginning and 238.0 MB in the end (delta: 97.5 MB). Free memory was 62.5 MB in the beginning and 111.0 MB in the end (delta: -48.5 MB). Peak memory consumption was 70.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 63]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 64]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 65]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; - 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: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 68]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 69]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 70]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; - UnprovableResult [Line: 71]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; [L71] assert #memory_int[p9] >= 0; - UnprovableResult [Line: 72]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L76-L77] modifies #valid; [L76-L78] ensures old(#valid)[ptr] == 0; [L76-L79] ensures #valid == old(#valid)[ptr := 1]; [L28] #memory_int[p1] := 0; [L29] #memory_int[p2] := 0; [L30] #memory_int[p3] := 0; [L31] #memory_int[p4] := 0; [L32] #memory_int[p5] := 0; [L33] #memory_int[p6] := 0; [L34] #memory_int[p7] := 0; [L35] #memory_int[p8] := 0; [L36] #memory_int[p9] := 0; [L37] #memory_int[p10] := 0; [L63] assert #memory_int[p1] >= 0; [L64] assert #memory_int[p2] <= 0; [L65] assert #memory_int[p3] >= 0; [L66] assert #memory_int[p4] <= 0; [L67] assert #memory_int[p5] >= 0; [L68] assert #memory_int[p6] <= 0; [L69] assert #memory_int[p7] >= 0; [L70] assert #memory_int[p8] <= 0; [L71] assert #memory_int[p9] >= 0; [L72] assert #memory_int[p10] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...