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-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:21:18,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:21:18,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:21:18,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:21:18,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:21:18,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:21:18,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:21:18,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:21:18,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:21:18,245 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:21:18,246 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 15:21:18,246 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 15:21:18,247 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 15:21:18,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 15:21:18,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 15:21:18,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 15:21:18,251 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 15:21:18,253 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 15:21:18,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 15:21:18,256 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 15:21:18,257 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 15:21:18,258 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 15:21:18,260 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-07 15:21:18,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-07 15:21:18,261 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-07 15:21:18,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-07 15:21:18,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-07 15:21:18,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-07 15:21:18,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-07 15:21:18,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-07 15:21:18,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-07 15:21:18,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-07 15:21:18,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-07 15:21:18,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-07 15:21:18,268 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-07 15:21:18,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-07 15:21:18,269 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 15:21:18,282 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:21:18,282 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:21:18,283 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:21:18,283 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:21:18,284 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:21:18,284 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:21:18,284 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:21:18,284 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:21:18,284 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 15:21:18,285 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:21:18,285 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 15:21:18,285 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 15:21:18,285 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:21:18,285 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:21:18,286 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:21:18,286 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:21:18,287 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:21:18,287 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:21:18,287 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:21:18,287 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:21:18,288 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:21:18,288 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:21:18,288 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:21:18,288 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:21:18,288 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:21:18,289 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:21:18,289 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:21:18,289 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:21:18,289 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:21:18,289 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:21:18,290 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:21:18,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:21:18,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:21:18,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:21:18,291 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:21:18,291 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:21:18,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:21:18,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:21:18,291 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:21:18,292 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:21:18,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:21:18,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:21:18,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:21:18,343 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:21:18,344 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:21:18,345 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl [2019-01-07 15:21:18,345 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-8-limited.bpl' [2019-01-07 15:21:18,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:21:18,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:21:18,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:18,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:21:18,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:21:18,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:18,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:21:18,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:21:18,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:21:18,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (1/1) ... [2019-01-07 15:21:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:21:18,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:21:18,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:21:18,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:21:18,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:18" (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 15:21:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:21:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:21:19,838 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:21:19,839 INFO L286 CfgBuilder]: Removed 19 assue(true) statements. [2019-01-07 15:21:19,840 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:19 BoogieIcfgContainer [2019-01-07 15:21:19,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:21:19,841 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:21:19,841 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:21:19,842 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:21:19,843 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-8-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:19" (1/1) ... [2019-01-07 15:21:19,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:21:23,357 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:23,357 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:23,358 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:23,359 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:23,360 WARN L224 ngHoareTripleChecker]: Pre: {2147483637#(forall ((v_idx_79 Int) (v_idx_87 Int) (v_idx_85 Int) (v_idx_86 Int) (v_idx_83 Int) (v_idx_84 Int) (v_idx_81 Int) (v_idx_82 Int) (v_idx_80 Int)) (exists ((v_v_84_1 Int) (v_v_76_1 Int) (v_v_106_1 Int) (v_v_108_1 Int) (v_v_107_1 Int) (v_b_63_1 Int) (v_b_62_1 Int) (v_v_2_1 Int) (v_v_83_1 Int) (v_v_82_1 Int) (v_v_4_1 Int) (v_b_46_1 Int) (v_b_47_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_79)) (= v_v_76_1 (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_83)) (= (select |c_old(#valid)| v_idx_84) v_v_2_1) (= v_v_107_1 0) (or (<= v_b_62_1 v_idx_80) (= v_v_106_1 (select |c_#memory_int| v_idx_80))) (or (< v_idx_81 v_b_62_1) (<= v_b_63_1 v_idx_81) (= v_v_107_1 (select |c_#memory_int| v_idx_81))) (or (<= v_b_46_1 v_idx_85) (= (select |c_#valid| v_idx_85) v_v_82_1)) (or (<= v_b_47_1 v_idx_86) (= (select |c_#valid| v_idx_86) v_v_83_1) (< v_idx_86 v_b_46_1)) (= v_v_83_1 1) (or (< v_idx_87 v_b_47_1) (= (select |c_#valid| v_idx_87) v_v_84_1)) (or (= v_v_108_1 (select |c_#memory_int| v_idx_82)) (< v_idx_82 v_b_63_1)))))} [2019-01-07 15:21:23,363 WARN L228 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-01-07 15:21:23,364 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 15:21:23,364 WARN L230 ngHoareTripleChecker]: Post: {2147483636#(forall ((v_idx_89 Int) (v_idx_88 Int) (v_idx_94 Int) (v_idx_92 Int) (v_idx_93 Int) (v_idx_90 Int) (v_idx_91 Int)) (exists ((v_v_84_1 Int) (v_v_76_1 Int) (v_v_83_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_46_1 Int) (v_v_4_1 Int) (v_v_146_1 Int) (v_b_47_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_88)) (or (= (select |c_#valid| v_idx_94) v_v_84_1) (< v_idx_94 v_b_47_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_90) v_v_76_1) (or (<= v_b_47_1 v_idx_93) (< v_idx_93 v_b_46_1) (= (select |c_#valid| v_idx_93) v_v_83_1)) (or (<= v_b_46_1 v_idx_92) (= (select |c_#valid| v_idx_92) v_v_82_1)) (= v_v_2_1 (select |c_old(#valid)| v_idx_91)) (= v_v_83_1 1) (= v_v_146_1 (select |c_#memory_int| v_idx_89)))))} [2019-01-07 15:21:23,364 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:23,789 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:23,789 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:24,292 WARN L270 ngHoareTripleChecker]: Pre: {2147483637#true} [2019-01-07 15:21:24,293 WARN L274 ngHoareTripleChecker]: Action: #memory_int := #memory_int[main_p1 := #memory_int[main_p1] + 1]; [2019-01-07 15:21:24,294 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 15:21:24,499 WARN L276 ngHoareTripleChecker]: Post: {2147483636#true} [2019-01-07 15:21:29,701 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:29,702 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:29,702 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:29,703 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:29,703 WARN L224 ngHoareTripleChecker]: Pre: {2147483605#(forall ((v_idx_410 Int) (v_idx_411 Int) (v_idx_405 Int) (v_idx_406 Int) (v_idx_409 Int) (v_idx_407 Int) (v_idx_408 Int)) (exists ((v_v_84_1 Int) (v_v_76_1 Int) (v_v_83_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) (v_v_143_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_405)) (or (<= v_b_46_1 v_idx_409) (= (select |c_#valid| v_idx_409) v_v_82_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_407) v_v_76_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_408)) (= (select |c_#memory_int| v_idx_406) v_v_143_1) (or (= (select |c_#valid| v_idx_410) v_v_83_1) (<= v_b_47_1 v_idx_410) (< v_idx_410 v_b_46_1)) (or (< v_idx_411 v_b_47_1) (= (select |c_#valid| v_idx_411) v_v_84_1)) (= v_v_83_1 1))))} [2019-01-07 15:21:29,704 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-01-07 15:21:29,704 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-01-07 15:21:29,705 WARN L230 ngHoareTripleChecker]: Post: {2147483604#(forall ((v_idx_412 Int) (v_idx_413 Int) (v_idx_416 Int) (v_idx_417 Int) (v_idx_414 Int) (v_idx_415 Int) (v_idx_418 Int)) (exists ((v_v_602_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_83_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 (= (select |c_#valid| v_idx_417) v_v_83_1) (< v_idx_417 v_b_46_1) (<= v_b_47_1 v_idx_417)) (= v_v_2_1 (select |c_old(#valid)| v_idx_415)) (= v_v_602_1 (select |c_#memory_int| v_idx_413)) (or (= v_v_84_1 (select |c_#valid| v_idx_418)) (< v_idx_418 v_b_47_1)) (= v_v_83_1 1) (= v_v_4_1 (select |c_old(#memory_int)| v_idx_412)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_414) v_v_76_1) (or (= (select |c_#valid| v_idx_416) v_v_82_1) (<= v_b_46_1 v_idx_416)))))} [2019-01-07 15:21:29,705 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:30,255 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:30,255 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:30,551 WARN L270 ngHoareTripleChecker]: Pre: {2147483605#true} [2019-01-07 15:21:30,551 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-01-07 15:21:30,551 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-01-07 15:21:30,668 WARN L276 ngHoareTripleChecker]: Post: {2147483604#true} [2019-01-07 15:21:32,937 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:32,937 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:32,937 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:32,938 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:32,938 WARN L224 ngHoareTripleChecker]: Pre: {2147483589#(forall ((v_idx_522 Int) (v_idx_523 Int) (v_idx_520 Int) (v_idx_521 Int) (v_idx_519 Int) (v_idx_517 Int) (v_idx_518 Int)) (exists ((v_v_84_1 Int) (v_v_76_1 Int) (v_v_83_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) (v_v_623_1 Int)) (and (or (= v_v_83_1 (select |c_#valid| v_idx_522)) (<= v_b_47_1 v_idx_522) (< v_idx_522 v_b_46_1)) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_519) v_v_76_1) (or (<= v_b_46_1 v_idx_521) (= v_v_82_1 (select |c_#valid| v_idx_521))) (= (select |c_#memory_int| v_idx_518) v_v_623_1) (= v_v_83_1 1) (= (select |c_old(#memory_int)| v_idx_517) v_v_4_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_520)) (or (< v_idx_523 v_b_47_1) (= v_v_84_1 (select |c_#valid| v_idx_523))))))} [2019-01-07 15:21:32,938 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p6] <= 0); [2019-01-07 15:21:32,938 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p6) 0)) [2019-01-07 15:21:32,939 WARN L230 ngHoareTripleChecker]: Post: {2147483588#(forall ((v_idx_526 Int) (v_idx_527 Int) (v_idx_524 Int) (v_idx_525 Int) (v_idx_528 Int) (v_idx_529 Int) (v_idx_530 Int)) (exists ((v_v_626_1 Int) (v_v_84_1 Int) (v_v_76_1 Int) (v_v_83_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 (= v_v_2_1 (select |c_old(#valid)| v_idx_527)) (or (<= v_b_46_1 v_idx_528) (= v_v_82_1 (select |c_#valid| v_idx_528))) (= (select |c_old(#memory_int)| v_idx_524) v_v_4_1) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_526) v_v_76_1) (or (= v_v_84_1 (select |c_#valid| v_idx_530)) (< v_idx_530 v_b_47_1)) (= (select |c_#memory_int| v_idx_525) v_v_626_1) (= v_v_83_1 1) (or (<= v_b_47_1 v_idx_529) (= v_v_83_1 (select |c_#valid| v_idx_529)) (< v_idx_529 v_b_46_1)))))} [2019-01-07 15:21:32,939 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:33,460 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:33,461 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:33,621 WARN L270 ngHoareTripleChecker]: Pre: {2147483589#true} [2019-01-07 15:21:33,621 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p6] <= 0); [2019-01-07 15:21:33,621 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p6) 0)) [2019-01-07 15:21:33,655 WARN L276 ngHoareTripleChecker]: Post: {2147483588#true} [2019-01-07 15:21:35,777 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:35,777 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:35,777 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:35,777 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:35,778 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_83_1 Int) (v_v_2_1 Int) (v_v_82_1 Int) (v_b_46_1 Int) (v_v_632_1 Int) (v_v_4_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 (<= v_b_47_1 v_idx_578) (= v_v_83_1 (select |c_#valid| v_idx_578)) (< v_idx_578 v_b_46_1)) (= v_v_83_1 1))))} [2019-01-07 15:21:35,778 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-07 15:21:35,778 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-07 15:21:35,778 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_83_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) (= v_v_83_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))) (= v_v_83_1 1) (or (= v_v_82_1 (select |c_#valid| v_idx_584)) (<= v_b_46_1 v_idx_584)))))} [2019-01-07 15:21:35,778 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:36,294 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:36,294 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:36,507 WARN L270 ngHoareTripleChecker]: Pre: {2147483581#true} [2019-01-07 15:21:36,507 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p8] <= 0); [2019-01-07 15:21:36,507 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p8) 0)) [2019-01-07 15:21:36,530 WARN L276 ngHoareTripleChecker]: Post: {2147483580#true} [2019-01-07 15:21:36,564 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:21:36,599 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 15:21:36,602 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:21:36,607 INFO L168 Benchmark]: Toolchain (without parser) took 18199.41 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: 338.4 MB). Peak memory consumption was 338.4 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:36,610 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 15:21:36,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.98 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 15:21:36,612 INFO L168 Benchmark]: Boogie Preprocessor took 52.16 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 15:21:36,613 INFO L168 Benchmark]: RCFGBuilder took 1296.47 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 15:21:36,614 INFO L168 Benchmark]: Abstract Interpretation took 16760.81 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: 296.1 MB). Peak memory consumption was 296.1 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:36,620 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 0.21 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 77.98 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 52.16 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 1296.47 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 16760.81 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: 296.1 MB). Peak memory consumption was 296.1 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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: [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L74-L75] modifies #valid; [L74-L76] ensures old(#valid)[ptr] == 0; [L74-L77] ensures #valid == old(#valid)[ptr := 1]; [L26] assume p1 < p2; [L27] assume p2 < p3; [L28] assume p3 < p4; [L29] assume p4 < p5; [L30] assume p5 < p6; [L31] assume p6 < p7; [L32] assume p7 < p8; [L34] #memory_int[p1] := 0; [L35] #memory_int[p2] := 0; [L36] #memory_int[p3] := 0; [L37] #memory_int[p4] := 0; [L38] #memory_int[p5] := 0; [L39] #memory_int[p6] := 0; [L40] #memory_int[p7] := 0; [L41] #memory_int[p8] := 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; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...