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-8-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 19:06:19,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 19:06:19,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 19:06:19,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 19:06:19,465 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 19:06:19,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 19:06:19,470 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 19:06:19,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 19:06:19,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 19:06:19,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 19:06:19,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 19:06:19,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 19:06:19,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 19:06:19,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 19:06:19,478 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 19:06:19,479 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 19:06:19,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 19:06:19,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 19:06:19,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 19:06:19,486 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 19:06:19,487 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 19:06:19,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 19:06:19,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-07 19:06:19,500 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 19:06:19,523 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 19:06:19,523 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 19:06:19,525 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 19:06:19,525 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 19:06:19,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 19:06:19,525 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 19:06:19,529 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 19:06:19,529 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 19:06:19,529 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 19:06:19,529 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 19:06:19,529 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 19:06:19,530 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 19:06:19,530 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 19:06:19,530 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 19:06:19,531 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 19:06:19,532 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 19:06:19,532 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 19:06:19,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 19:06:19,532 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 19:06:19,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 19:06:19,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 19:06:19,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 19:06:19,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 19:06:19,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 19:06:19,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 19:06:19,536 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 19:06:19,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 19:06:19,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 19:06:19,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 19:06:19,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 19:06:19,537 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 19:06:19,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 19:06:19,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 19:06:19,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 19:06:19,539 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 19:06:19,539 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 19:06:19,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 19:06:19,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 19:06:19,540 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 19:06:19,540 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 19:06:19,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 19:06:19,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 19:06:19,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 19:06:19,614 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 19:06:19,615 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 19:06:19,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl [2019-01-07 19:06:19,617 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-unlimited.bpl' [2019-01-07 19:06:19,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 19:06:19,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 19:06:19,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 19:06:19,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 19:06:19,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 19:06:19,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 19:06:19,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 19:06:19,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 19:06:19,751 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 19:06:19,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... [2019-01-07 19:06:19,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 19:06:19,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 19:06:19,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 19:06:19,785 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 19:06:19,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:06:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 19:06:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 19:06:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 19:06:21,010 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 19:06:21,010 INFO L286 CfgBuilder]: Removed 19 assue(true) statements. [2019-01-07 19:06:21,012 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:06:21 BoogieIcfgContainer [2019-01-07 19:06:21,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 19:06:21,013 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 19:06:21,013 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 19:06:21,013 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 19:06:21,014 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-8-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:06:21" (1/1) ... [2019-01-07 19:06:21,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 19:06:23,920 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 19:06:23,920 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 19:06:23,921 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 19:06:23,924 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 19:06:23,924 WARN L224 ngHoareTripleChecker]: Pre: {2147483647#(forall ((v_idx_3 Int) (v_idx_4 Int) (v_idx_5 Int) (v_idx_1 Int) (v_idx_2 Int)) (exists ((v_v_0_1 Int) (v_v_1_1 Int) (v_v_2_1 Int) (v_v_3_1 Int) (v_v_4_1 Int)) (and (= (select |c_old(#memory_int)| v_idx_5) v_v_4_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_1) v_v_0_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_3)) (= v_v_1_1 (select |c_#valid| v_idx_2)) (= v_v_3_1 (select |c_#memory_int| v_idx_4)))))} [2019-01-07 19:06:23,929 WARN L228 ngHoareTripleChecker]: Action: havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; [2019-01-07 19:06:23,930 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (select (store (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed 1) c_ULTIMATE.start_main_p7_primed) 0) (= 0 (select (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed)) (= c_ULTIMATE.start_main_p8_primed c_ULTIMATE.start_malloc_ptr_primed) (= (store |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed 1) |c_#valid_primed|) (= (store (store (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed 1) c_ULTIMATE.start_main_p7_primed 1) |c_ULTIMATE.start_malloc_old_#valid_primed|) (= (select (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed) 0) (= 0 (select (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed)) (= (select (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed) 0) (= 0 (select (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed)) (= |c_#memory_int_primed| (store (store (store (store (store (store (store (store |c_#memory_int| c_ULTIMATE.start_main_p1_primed 0) c_ULTIMATE.start_main_p2_primed 0) c_ULTIMATE.start_main_p3_primed 0) c_ULTIMATE.start_main_p4_primed 0) c_ULTIMATE.start_main_p5_primed 0) c_ULTIMATE.start_main_p6_primed 0) c_ULTIMATE.start_main_p7_primed 0) c_ULTIMATE.start_main_p8_primed 0)) (= 0 (select |c_#valid| c_ULTIMATE.start_main_p1_primed)) (= (select |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed) 0)) [2019-01-07 19:06:23,931 WARN L230 ngHoareTripleChecker]: Post: {2147483646#(forall ((v_idx_7 Int) (v_idx_14 Int) (v_idx_8 Int) (v_idx_9 Int) (v_idx_12 Int) (v_idx_13 Int) (v_idx_10 Int) (v_idx_11 Int) (v_idx_6 Int)) (exists ((v_b_63_1 Int) (v_b_62_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_b_47_1 Int)) (and (or (<= v_b_63_1 v_idx_8) (= 0 (select |c_#memory_int| v_idx_8)) (< v_idx_8 v_b_62_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_10) v_v_76_1) (= (select |c_old(#valid)| v_idx_11) v_v_2_1) (or (< v_idx_14 v_b_47_1) (= (select |c_#valid| v_idx_14) v_v_84_1)) (or (= (select |c_#valid| v_idx_13) 1) (< v_idx_13 v_b_46_1) (<= v_b_47_1 v_idx_13)) (or (<= v_b_62_1 v_idx_7) (= (select |c_#memory_int| v_idx_7) v_v_106_1)) (or (= (select |c_#valid| v_idx_12) v_v_82_1) (<= v_b_46_1 v_idx_12)) (or (= v_v_108_1 (select |c_#memory_int| v_idx_9)) (< v_idx_9 v_b_63_1)) (= (select |c_old(#memory_int)| v_idx_6) v_v_4_1))))} [2019-01-07 19:06:23,931 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 19:06:24,006 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 19:06:24,006 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 19:06:24,022 WARN L270 ngHoareTripleChecker]: Pre: {2147483647#true} [2019-01-07 19:06:24,022 WARN L274 ngHoareTripleChecker]: Action: havoc main_p1, main_p2, main_p3, main_p4, main_p5, main_p6, main_p7, main_p8;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p1 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p2 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p3 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p4 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p5 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p6 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p7 := malloc_ptr;malloc_old_#valid := #valid;havoc malloc_ptr;havoc #valid;assume malloc_old_#valid[malloc_ptr] == 0;assume #valid == malloc_old_#valid[malloc_ptr := 1];main_p8 := malloc_ptr;#memory_int := #memory_int[main_p1 := 0];#memory_int := #memory_int[main_p2 := 0];#memory_int := #memory_int[main_p3 := 0];#memory_int := #memory_int[main_p4 := 0];#memory_int := #memory_int[main_p5 := 0];#memory_int := #memory_int[main_p6 := 0];#memory_int := #memory_int[main_p7 := 0];#memory_int := #memory_int[main_p8 := 0]; [2019-01-07 19:06:24,023 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= (select (store (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed 1) c_ULTIMATE.start_main_p7_primed) 0) (= 0 (select (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed)) (= c_ULTIMATE.start_main_p8_primed c_ULTIMATE.start_malloc_ptr_primed) (= (store |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed 1) |c_#valid_primed|) (= (store (store (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed 1) c_ULTIMATE.start_main_p7_primed 1) |c_ULTIMATE.start_malloc_old_#valid_primed|) (= (select (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed) 0) (= 0 (select (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed)) (= (select (store (store (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed 1) c_ULTIMATE.start_main_p5_primed 1) c_ULTIMATE.start_main_p6_primed) 0) (= 0 (select (store (store (store |c_#valid| c_ULTIMATE.start_main_p1_primed 1) c_ULTIMATE.start_main_p2_primed 1) c_ULTIMATE.start_main_p3_primed 1) c_ULTIMATE.start_main_p4_primed)) (= |c_#memory_int_primed| (store (store (store (store (store (store (store (store |c_#memory_int| c_ULTIMATE.start_main_p1_primed 0) c_ULTIMATE.start_main_p2_primed 0) c_ULTIMATE.start_main_p3_primed 0) c_ULTIMATE.start_main_p4_primed 0) c_ULTIMATE.start_main_p5_primed 0) c_ULTIMATE.start_main_p6_primed 0) c_ULTIMATE.start_main_p7_primed 0) c_ULTIMATE.start_main_p8_primed 0)) (= 0 (select |c_#valid| c_ULTIMATE.start_main_p1_primed)) (= (select |c_ULTIMATE.start_malloc_old_#valid_primed| c_ULTIMATE.start_malloc_ptr_primed) 0)) [2019-01-07 19:06:24,207 WARN L276 ngHoareTripleChecker]: Post: {2147483646#true} [2019-01-07 19:06:30,822 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 19:06:30,822 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 19:06:30,823 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 19:06:30,823 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 19:06:30,823 WARN L224 ngHoareTripleChecker]: Pre: {2147483581#(forall ((v_idx_577 Int) (v_idx_578 Int) (v_idx_575 Int) (v_idx_576 Int) (v_idx_579 Int) (v_idx_573 Int) (v_idx_574 Int)) (exists ((v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_v_632_1 Int) (v_v_4_1 Int) (v_b_46_1 Int) (v_b_47_1 Int)) (and (= (select |c_old(#valid)| v_idx_576) v_v_2_1) (or (< v_idx_579 v_b_47_1) (= v_v_84_1 (select |c_#valid| v_idx_579))) (= (select |c_#memory_int| v_idx_574) v_v_632_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_575) v_v_76_1) (= (select |c_old(#memory_int)| v_idx_573) v_v_4_1) (or (<= v_b_46_1 v_idx_577) (= v_v_82_1 (select |c_#valid| v_idx_577))) (or (= 1 (select |c_#valid| v_idx_578)) (<= v_b_47_1 v_idx_578) (< v_idx_578 v_b_46_1)))))} [2019-01-07 19:06:30,823 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-07 19:06:30,824 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-07 19:06:30,824 WARN L230 ngHoareTripleChecker]: Post: {2147483580#(forall ((v_idx_586 Int) (v_idx_580 Int) (v_idx_581 Int) (v_idx_584 Int) (v_idx_585 Int) (v_idx_582 Int) (v_idx_583 Int)) (exists ((v_v_638_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_b_47_1 Int)) (and (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_582) v_v_76_1) (= (select |c_old(#memory_int)| v_idx_580) v_v_4_1) (or (< v_idx_585 v_b_46_1) (= 1 (select |c_#valid| v_idx_585)) (<= v_b_47_1 v_idx_585)) (= v_v_2_1 (select |c_old(#valid)| v_idx_583)) (= (select |c_#memory_int| v_idx_581) v_v_638_1) (or (< v_idx_586 v_b_47_1) (= v_v_84_1 (select |c_#valid| v_idx_586))) (or (= v_v_82_1 (select |c_#valid| v_idx_584)) (<= v_b_46_1 v_idx_584)))))} [2019-01-07 19:06:30,824 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 19:06:31,274 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 19:06:31,274 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 19:06:31,451 WARN L270 ngHoareTripleChecker]: Pre: {2147483581#true} [2019-01-07 19:06:31,451 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-07 19:06:31,451 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-07 19:06:31,476 WARN L276 ngHoareTripleChecker]: Post: {2147483580#true} [2019-01-07 19:06:31,529 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 19:06:31,564 INFO L272 AbstractInterpreter]: Visited 26 different actions 36 times. Merged at 1 different actions 1 times. Never widened. Found 17 fixpoints after 10 different actions. Largest state had 0 variables. [2019-01-07 19:06:31,566 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 19:06:31,568 INFO L168 Benchmark]: Toolchain (without parser) took 11883.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 317.2 MB). Peak memory consumption was 317.2 MB. Max. memory is 7.1 GB. [2019-01-07 19:06:31,570 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 19:06:31,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 19:06:31,572 INFO L168 Benchmark]: Boogie Preprocessor took 30.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 19:06:31,572 INFO L168 Benchmark]: RCFGBuilder took 1227.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2019-01-07 19:06:31,574 INFO L168 Benchmark]: Abstract Interpretation took 10553.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 274.9 MB). Peak memory consumption was 274.9 MB. Max. memory is 7.1 GB. [2019-01-07 19:06:31,579 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1227.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 10553.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 274.9 MB). Peak memory consumption was 274.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 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: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; - UnprovableResult [Line: 59]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; - UnprovableResult [Line: 60]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; [L61] assert #memory_int[p7] >= 0; - UnprovableResult [Line: 62]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L66-L67] modifies #valid; [L66-L68] ensures old(#valid)[ptr] == 0; [L66-L69] ensures #valid == old(#valid)[ptr := 1]; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L30] #memory_int[p5] := 0; [L31] #memory_int[p6] := 0; [L32] #memory_int[p7] := 0; [L33] #memory_int[p8] := 0; [L55] assert #memory_int[p1] >= 0; [L56] assert #memory_int[p2] <= 0; [L57] assert #memory_int[p3] >= 0; [L58] assert #memory_int[p4] <= 0; [L59] assert #memory_int[p5] >= 0; [L60] assert #memory_int[p6] <= 0; [L61] assert #memory_int[p7] >= 0; [L62] assert #memory_int[p8] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...