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/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb97592 [2018-12-19 21:57:51,808 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-19 21:57:51,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-19 21:57:51,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-19 21:57:51,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-19 21:57:51,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-19 21:57:51,831 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-19 21:57:51,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-19 21:57:51,835 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-19 21:57:51,836 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-19 21:57:51,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-19 21:57:51,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-19 21:57:51,838 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-19 21:57:51,839 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-19 21:57:51,840 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-19 21:57:51,841 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-19 21:57:51,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-19 21:57:51,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-19 21:57:51,846 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-19 21:57:51,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-19 21:57:51,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-19 21:57:51,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-19 21:57:51,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-19 21:57:51,861 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 [2018-12-19 21:57:51,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-19 21:57:51,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-19 21:57:51,885 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-19 21:57:51,885 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-19 21:57:51,885 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-19 21:57:51,885 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-19 21:57:51,886 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-19 21:57:51,886 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-19 21:57:51,886 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-19 21:57:51,886 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-19 21:57:51,886 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-19 21:57:51,887 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-19 21:57:51,887 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-19 21:57:51,887 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-19 21:57:51,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-19 21:57:51,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-19 21:57:51,889 INFO L133 SettingsManager]: * Use SBE=true [2018-12-19 21:57:51,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-19 21:57:51,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-19 21:57:51,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-19 21:57:51,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-19 21:57:51,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-19 21:57:51,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-19 21:57:51,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-19 21:57:51,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-19 21:57:51,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-19 21:57:51,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-19 21:57:51,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-19 21:57:51,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-19 21:57:51,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-19 21:57:51,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-19 21:57:51,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-19 21:57:51,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-19 21:57:51,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-19 21:57:51,896 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-19 21:57:51,896 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-19 21:57:51,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-19 21:57:51,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-19 21:57:51,896 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-19 21:57:51,897 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-19 21:57:51,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-19 21:57:51,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-19 21:57:51,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-19 21:57:51,952 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-19 21:57:51,952 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-19 21:57:51,953 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl [2018-12-19 21:57:51,953 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/mcmillan2006.c.i_3.bpl' [2018-12-19 21:57:52,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-19 21:57:52,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-19 21:57:52,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-19 21:57:52,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-19 21:57:52,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-19 21:57:52,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-19 21:57:52,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-19 21:57:52,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-19 21:57:52,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-19 21:57:52,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-19 21:57:52,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-19 21:57:52,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-19 21:57:52,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-19 21:57:52,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.12 09:57:52" (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 [2018-12-19 21:57:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-19 21:57:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-19 21:57:52,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-19 21:57:52,644 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-19 21:57:52,645 INFO L202 PluginConnector]: Adding new model mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:57:52 BoogieIcfgContainer [2018-12-19 21:57:52,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-19 21:57:52,646 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-19 21:57:52,646 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-19 21:57:52,646 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-19 21:57:52,647 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "mcmillan2006.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 09:57:52" (1/1) ... [2018-12-19 21:57:52,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-19 21:57:53,498 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2018-12-19 21:57:53,498 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-19 21:57:53,499 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-19 21:57:53,500 WARN L223 ngHoareTripleChecker]: -- [2018-12-19 21:57:53,502 WARN L224 ngHoareTripleChecker]: Pre: {2147483645#(exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_b_11_1 Int) (v_v_30_1 Int) (v_b_10_1 Int)) (and (= c_ULTIMATE.start_main_~i~8 0) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= c_ULTIMATE.start_main_~x~7.offset 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (forall ((v_idx_25 Int) (v_idx_26 Int) (v_idx_24 Int) (v_idx_21 Int) (v_idx_20 Int) (v_idx_19 Int)) (or (< v_idx_21 v_b_7_1) (<= v_b_6_1 v_idx_19) (<= v_b_11_1 v_idx_25) (< v_idx_20 v_b_6_1) (<= v_b_10_1 v_idx_24) (< v_idx_25 v_b_10_1) (< v_idx_26 v_b_11_1) (and (= (select |c_#valid| v_idx_20) 1) (= (mod (select |c_#length| v_idx_25) 4) 0)) (<= v_b_7_1 v_idx_20)))))} [2018-12-19 21:57:53,505 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:57:53,506 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:57:53,507 WARN L230 ngHoareTripleChecker]: Post: {2147483644#(exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_v_8_1 (Array Int Int)) (v_b_10_1 Int)) (and (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (= v_v_45_1 v_v_8_1) (= |c_ULTIMATE.start_write~int_#ptr.offset| 0) (forall ((v_idx_47 Int) (v_idx_45 Int) (v_idx_46 Int) (v_idx_43 Int) (v_idx_52 Int) (v_idx_41 Int) (v_idx_42 Int) (v_idx_50 Int) (v_idx_51 Int) (v_idx_40 Int) (v_idx_38 Int) (v_idx_39 Int)) (or (<= v_b_19_1 v_idx_42) (< v_idx_40 v_b_7_1) (<= v_b_7_1 v_idx_39) (<= v_b_17_1 v_idx_51) (< v_idx_52 v_b_17_1) (<= v_b_11_1 v_idx_46) (and (= (select |c_#valid| v_idx_39) 1) (= (select (select |c_#memory_int| v_idx_51) v_idx_42) 0) (= (mod (select |c_#length| v_idx_46) 4) 0)) (<= v_b_10_1 v_idx_45) (< v_idx_43 v_b_19_1) (< v_idx_47 v_b_11_1) (<= v_b_6_1 v_idx_38) (< v_idx_42 v_b_18_1) (<= v_b_18_1 v_idx_41) (< v_idx_51 v_b_16_1) (< v_idx_46 v_b_10_1) (<= v_b_16_1 v_idx_50) (< v_idx_39 v_b_6_1))) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= c_ULTIMATE.start_main_~i~8 1) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= v_b_19_1 1) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_v_43_1 v_v_8_1) (= v_v_48_1 0) (= |c_ULTIMATE.start_write~int_#value| 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (not (= c_ULTIMATE.start_main_~n~7 0))))} [2018-12-19 21:57:53,507 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2018-12-19 21:57:53,509 WARN L268 ngHoareTripleChecker]: -- [2018-12-19 21:57:53,509 WARN L269 ngHoareTripleChecker]: Simplified triple [2018-12-19 21:57:54,030 WARN L270 ngHoareTripleChecker]: Pre: {2147483645#(and (= ULTIMATE.start_main_~i~8 0) (= |#NULL.base| 0) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= ULTIMATE.start_main_~x~7.offset 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))} [2018-12-19 21:57:54,031 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:57:54,032 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:57:54,455 WARN L276 ngHoareTripleChecker]: Post: {2147483644#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (= |ULTIMATE.start_write~int_#ptr.offset| 0) (not (= |ULTIMATE.start_write~int_#ptr.base| 0)) (= ULTIMATE.start_main_~i~8 1) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= ULTIMATE.start_main_~x~7.offset 0) (= |ULTIMATE.start_write~int_#value| 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0) (not (= ULTIMATE.start_main_~n~7 0)))} [2018-12-19 21:57:56,545 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2018-12-19 21:57:56,546 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-19 21:57:56,546 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-19 21:57:56,547 WARN L223 ngHoareTripleChecker]: -- [2018-12-19 21:57:56,547 WARN L224 ngHoareTripleChecker]: Pre: {2147483641#(or (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_b_11_1 Int) (v_v_30_1 Int) (v_b_10_1 Int)) (and (= c_ULTIMATE.start_main_~i~8 0) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_94 Int) (v_idx_92 Int) (v_idx_93 Int)) (or (< v_idx_88 v_b_6_1) (<= v_b_7_1 v_idx_88) (<= v_b_6_1 v_idx_87) (< v_idx_89 v_b_7_1) (<= v_b_10_1 v_idx_92) (< v_idx_93 v_b_10_1) (<= v_b_11_1 v_idx_93) (< v_idx_94 v_b_11_1) (and (= (select |c_#valid| v_idx_88) 1) (= (mod (select |c_#length| v_idx_93) 4) 0)))) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= c_ULTIMATE.start_main_~x~7.offset 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod v_v_30_1 4) 0))) (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_v_8_1 (Array Int Int)) (v_b_10_1 Int)) (and (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (forall ((v_idx_115 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_119 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_118 Int) (v_idx_111 Int) (v_idx_120 Int) (v_idx_110 Int)) (or (and (= (select |c_#valid| v_idx_107) 1) (= (select (select |c_#memory_int| v_idx_119) v_idx_110) 0) (= (mod (select |c_#length| v_idx_114) 4) 0)) (<= v_b_16_1 v_idx_118) (< v_idx_110 v_b_18_1) (< v_idx_115 v_b_11_1) (<= v_b_6_1 v_idx_106) (<= v_b_19_1 v_idx_110) (< v_idx_108 v_b_7_1) (<= v_b_17_1 v_idx_119) (< v_idx_107 v_b_6_1) (<= v_b_10_1 v_idx_113) (< v_idx_120 v_b_17_1) (<= v_b_18_1 v_idx_109) (<= v_b_7_1 v_idx_107) (< v_idx_111 v_b_19_1) (<= v_b_11_1 v_idx_114) (< v_idx_119 v_b_16_1) (< v_idx_114 v_b_10_1))) (= v_v_24_1 1) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (= v_v_45_1 v_v_8_1) (= |c_ULTIMATE.start_write~int_#ptr.offset| 0) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= c_ULTIMATE.start_main_~i~8 1) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= v_b_19_1 1) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_v_43_1 v_v_8_1) (= v_v_48_1 0) (= |c_ULTIMATE.start_write~int_#value| 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (not (= c_ULTIMATE.start_main_~n~7 0)))))} [2018-12-19 21:57:56,547 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:57:56,547 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:57:56,548 WARN L230 ngHoareTripleChecker]: Post: {2147483640#(or (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_b_39_1 Int) (v_v_117_1 Int) (v_b_37_1 Int) (v_b_38_1 Int) (v_b_36_1 Int) (v_b_10_1 Int)) (and (= v_b_38_1 4) (= v_b_39_1 5) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= |c_ULTIMATE.start_write~int_#ptr.offset| 4) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_43_1 v_v_45_1) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_v_117_1 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= (mod v_v_30_1 4) 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= c_ULTIMATE.start_main_~i~8 2) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_146 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_147 Int) (v_idx_162 Int) (v_idx_151 Int) (v_idx_163 Int) (v_idx_150 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_155 Int) (v_idx_167 Int) (v_idx_145 Int) (v_idx_153 Int) (v_idx_154 Int) (v_idx_165 Int)) (or (<= v_b_11_1 v_idx_158) (<= v_b_17_1 v_idx_162) (< v_idx_151 v_b_7_1) (<= v_b_37_1 v_idx_166) (< v_idx_147 v_b_39_1) (<= v_b_18_1 v_idx_153) (< v_idx_162 v_b_16_1) (<= v_b_7_1 v_idx_150) (< v_idx_154 v_b_18_1) (< v_idx_167 v_b_37_1) (< v_idx_158 v_b_10_1) (<= v_b_10_1 v_idx_157) (<= v_b_6_1 v_idx_149) (<= v_b_38_1 v_idx_145) (<= v_b_36_1 v_idx_165) (< v_idx_146 v_b_38_1) (<= v_b_16_1 v_idx_161) (<= v_b_19_1 v_idx_154) (< v_idx_163 v_b_17_1) (and (= (select |c_#valid| v_idx_150) 1) (= (select (select |c_#memory_int| v_idx_166) v_idx_146) 0) (= (select (select |c_ULTIMATE.start_write~int_old_#memory_int| v_idx_162) v_idx_154) 0) (= (mod (select |c_#length| v_idx_158) 4) 0)) (< v_idx_159 v_b_11_1) (<= v_b_39_1 v_idx_146) (< v_idx_166 v_b_36_1) (< v_idx_150 v_b_6_1) (< v_idx_155 v_b_19_1))) (= v_b_19_1 1) (= v_v_48_1 0) (= |c_ULTIMATE.start_write~int_#value| 0) (= |c_#NULL.offset| 0) (not (= c_ULTIMATE.start_main_~n~7 0)))) (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_98_1 Int) (v_v_95_1 (Array Int Int)) (v_v_30_1 Int) (v_b_31_1 Int) (v_b_11_1 Int) (v_b_30_1 Int) (v_b_29_1 Int) (v_b_28_1 Int) (v_v_8_1 (Array Int Int)) (v_v_93_1 (Array Int Int)) (v_b_10_1 Int)) (and (= v_v_98_1 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= v_v_95_1 v_v_8_1) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (= |c_ULTIMATE.start_write~int_#ptr.offset| 0) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= c_ULTIMATE.start_main_~i~8 1) (forall ((v_idx_126 Int) (v_idx_138 Int) (v_idx_127 Int) (v_idx_135 Int) (v_idx_125 Int) (v_idx_139 Int) (v_idx_129 Int) (v_idx_140 Int) (v_idx_130 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_131 Int)) (or (<= v_b_11_1 v_idx_134) (<= v_b_30_1 v_idx_125) (< v_idx_130 v_b_6_1) (<= v_b_31_1 v_idx_126) (<= v_b_28_1 v_idx_138) (< v_idx_139 v_b_28_1) (and (= (select (select |c_#memory_int| v_idx_139) v_idx_126) 0) (= (select |c_#valid| v_idx_130) 1) (= (mod (select |c_#length| v_idx_134) 4) 0)) (< v_idx_126 v_b_30_1) (<= v_b_10_1 v_idx_133) (<= v_b_6_1 v_idx_129) (< v_idx_135 v_b_11_1) (< v_idx_127 v_b_31_1) (<= v_b_7_1 v_idx_130) (< v_idx_131 v_b_7_1) (< v_idx_140 v_b_29_1) (< v_idx_134 v_b_10_1) (<= v_b_29_1 v_idx_139))) (= v_b_31_1 1) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_93_1 v_v_8_1) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_b_30_1 0) (= |c_ULTIMATE.start_write~int_#value| 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (not (= c_ULTIMATE.start_main_~n~7 0)))))} [2018-12-19 21:57:56,548 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2018-12-19 21:57:56,549 WARN L268 ngHoareTripleChecker]: -- [2018-12-19 21:57:56,549 WARN L269 ngHoareTripleChecker]: Simplified triple [2018-12-19 21:57:56,589 WARN L270 ngHoareTripleChecker]: Pre: {2147483641#(or (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_b_11_1 Int) (v_v_30_1 Int) (v_b_10_1 Int)) (and (= ULTIMATE.start_main_~i~8 0) (= |#NULL.base| 0) (= v_v_24_1 1) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (forall ((v_idx_89 Int) (v_idx_87 Int) (v_idx_88 Int) (v_idx_94 Int) (v_idx_92 Int) (v_idx_93 Int)) (or (< v_idx_88 v_b_6_1) (<= v_b_7_1 v_idx_88) (<= v_b_6_1 v_idx_87) (< v_idx_89 v_b_7_1) (<= v_b_10_1 v_idx_92) (< v_idx_93 v_b_10_1) (<= v_b_11_1 v_idx_93) (< v_idx_94 v_b_11_1) (and (= (select |#valid| v_idx_88) 1) (= (mod (select |#length| v_idx_93) 4) 0)))) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= ULTIMATE.start_main_~x~7.offset 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0) (= (mod v_v_30_1 4) 0))) (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_v_8_1 (Array Int Int)) (v_b_10_1 Int)) (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (forall ((v_idx_115 Int) (v_idx_113 Int) (v_idx_114 Int) (v_idx_119 Int) (v_idx_108 Int) (v_idx_109 Int) (v_idx_106 Int) (v_idx_107 Int) (v_idx_118 Int) (v_idx_111 Int) (v_idx_120 Int) (v_idx_110 Int)) (or (and (= (select |#valid| v_idx_107) 1) (= (select (select |#memory_int| v_idx_119) v_idx_110) 0) (= (mod (select |#length| v_idx_114) 4) 0)) (<= v_b_16_1 v_idx_118) (< v_idx_110 v_b_18_1) (< v_idx_115 v_b_11_1) (<= v_b_6_1 v_idx_106) (<= v_b_19_1 v_idx_110) (< v_idx_108 v_b_7_1) (<= v_b_17_1 v_idx_119) (< v_idx_107 v_b_6_1) (<= v_b_10_1 v_idx_113) (< v_idx_120 v_b_17_1) (<= v_b_18_1 v_idx_109) (<= v_b_7_1 v_idx_107) (< v_idx_111 v_b_19_1) (<= v_b_11_1 v_idx_114) (< v_idx_119 v_b_16_1) (< v_idx_114 v_b_10_1))) (= v_v_24_1 1) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (= v_v_45_1 v_v_8_1) (= |ULTIMATE.start_write~int_#ptr.offset| 0) (not (= |ULTIMATE.start_write~int_#ptr.base| 0)) (= ULTIMATE.start_main_~i~8 1) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= v_b_19_1 1) (= ULTIMATE.start_main_~x~7.offset 0) (= v_v_43_1 v_v_8_1) (= v_v_48_1 0) (= |ULTIMATE.start_write~int_#value| 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (not (= ULTIMATE.start_main_~n~7 0)))))} [2018-12-19 21:57:56,589 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:57:56,590 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:57:56,666 WARN L276 ngHoareTripleChecker]: Post: {2147483640#(or (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_b_39_1 Int) (v_v_117_1 Int) (v_b_37_1 Int) (v_b_38_1 Int) (v_b_36_1 Int) (v_b_10_1 Int)) (and (= v_b_38_1 4) (= v_b_39_1 5) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |ULTIMATE.start_write~int_#ptr.base| 0)) (= |ULTIMATE.start_write~int_#ptr.offset| 4) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_43_1 v_v_45_1) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= ULTIMATE.start_main_~x~7.offset 0) (= v_v_117_1 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= (mod v_v_30_1 4) 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (= v_v_24_1 1) (= ULTIMATE.start_main_~i~8 2) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (forall ((v_idx_159 Int) (v_idx_149 Int) (v_idx_146 Int) (v_idx_157 Int) (v_idx_158 Int) (v_idx_147 Int) (v_idx_162 Int) (v_idx_151 Int) (v_idx_163 Int) (v_idx_150 Int) (v_idx_161 Int) (v_idx_166 Int) (v_idx_155 Int) (v_idx_167 Int) (v_idx_145 Int) (v_idx_153 Int) (v_idx_154 Int) (v_idx_165 Int)) (or (<= v_b_11_1 v_idx_158) (<= v_b_17_1 v_idx_162) (< v_idx_151 v_b_7_1) (<= v_b_37_1 v_idx_166) (< v_idx_147 v_b_39_1) (<= v_b_18_1 v_idx_153) (< v_idx_162 v_b_16_1) (<= v_b_7_1 v_idx_150) (< v_idx_154 v_b_18_1) (< v_idx_167 v_b_37_1) (< v_idx_158 v_b_10_1) (<= v_b_10_1 v_idx_157) (<= v_b_6_1 v_idx_149) (<= v_b_38_1 v_idx_145) (<= v_b_36_1 v_idx_165) (< v_idx_146 v_b_38_1) (<= v_b_16_1 v_idx_161) (<= v_b_19_1 v_idx_154) (< v_idx_163 v_b_17_1) (and (= (select |#valid| v_idx_150) 1) (= (select (select |#memory_int| v_idx_166) v_idx_146) 0) (= (select (select |ULTIMATE.start_write~int_old_#memory_int| v_idx_162) v_idx_154) 0) (= (mod (select |#length| v_idx_158) 4) 0)) (< v_idx_159 v_b_11_1) (<= v_b_39_1 v_idx_146) (< v_idx_166 v_b_36_1) (< v_idx_150 v_b_6_1) (< v_idx_155 v_b_19_1))) (= v_b_19_1 1) (= v_v_48_1 0) (= |ULTIMATE.start_write~int_#value| 0) (= |#NULL.offset| 0) (not (= ULTIMATE.start_main_~n~7 0)))) (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_98_1 Int) (v_v_95_1 (Array Int Int)) (v_v_30_1 Int) (v_b_31_1 Int) (v_b_11_1 Int) (v_b_30_1 Int) (v_b_29_1 Int) (v_b_28_1 Int) (v_v_8_1 (Array Int Int)) (v_v_93_1 (Array Int Int)) (v_b_10_1 Int)) (and (= v_v_98_1 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (= v_v_24_1 1) (= v_v_95_1 v_v_8_1) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (= |ULTIMATE.start_write~int_#ptr.offset| 0) (not (= |ULTIMATE.start_write~int_#ptr.base| 0)) (= ULTIMATE.start_main_~i~8 1) (forall ((v_idx_126 Int) (v_idx_138 Int) (v_idx_127 Int) (v_idx_135 Int) (v_idx_125 Int) (v_idx_139 Int) (v_idx_129 Int) (v_idx_140 Int) (v_idx_130 Int) (v_idx_133 Int) (v_idx_134 Int) (v_idx_131 Int)) (or (<= v_b_11_1 v_idx_134) (<= v_b_30_1 v_idx_125) (< v_idx_130 v_b_6_1) (<= v_b_31_1 v_idx_126) (<= v_b_28_1 v_idx_138) (< v_idx_139 v_b_28_1) (and (= (select (select |#memory_int| v_idx_139) v_idx_126) 0) (= (select |#valid| v_idx_130) 1) (= (mod (select |#length| v_idx_134) 4) 0)) (< v_idx_126 v_b_30_1) (<= v_b_10_1 v_idx_133) (<= v_b_6_1 v_idx_129) (< v_idx_135 v_b_11_1) (< v_idx_127 v_b_31_1) (<= v_b_7_1 v_idx_130) (< v_idx_131 v_b_7_1) (< v_idx_140 v_b_29_1) (< v_idx_134 v_b_10_1) (<= v_b_29_1 v_idx_139))) (= v_b_31_1 1) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_93_1 v_v_8_1) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= ULTIMATE.start_main_~x~7.offset 0) (= v_b_30_1 0) (= |ULTIMATE.start_write~int_#value| 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0) (= (mod v_v_30_1 4) 0) (not (= ULTIMATE.start_main_~n~7 0)))))} [2018-12-19 21:58:04,401 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2018-12-19 21:58:04,402 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-19 21:58:04,402 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-19 21:58:04,402 WARN L223 ngHoareTripleChecker]: -- [2018-12-19 21:58:04,403 WARN L224 ngHoareTripleChecker]: Pre: {2147483633#(or (exists ((v_b_6_1 Int) (v_v_24_1 Int) (v_b_7_1 Int) (v_v_43_1 (Array Int Int)) (v_v_45_1 (Array Int Int)) (v_v_30_1 Int) (v_b_19_1 Int) (v_v_48_1 Int) (v_b_11_1 Int) (v_b_16_1 Int) (v_b_18_1 Int) (v_b_17_1 Int) (v_b_39_1 Int) (v_v_117_1 Int) (v_b_37_1 Int) (v_b_38_1 Int) (v_b_36_1 Int) (v_b_10_1 Int)) (and (= v_b_38_1 4) (= v_b_39_1 5) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (= v_b_18_1 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (forall ((v_idx_290 Int) (v_idx_308 Int) (v_idx_309 Int) (v_idx_302 Int) (v_idx_289 Int) (v_idx_300 Int) (v_idx_301 Int) (v_idx_306 Int) (v_idx_304 Int) (v_idx_305 Int) (v_idx_294 Int) (v_idx_292 Int) (v_idx_293 Int) (v_idx_298 Int) (v_idx_310 Int) (v_idx_288 Int) (v_idx_296 Int) (v_idx_297 Int)) (or (<= v_b_11_1 v_idx_301) (< v_idx_302 v_b_11_1) (<= v_b_16_1 v_idx_304) (<= v_b_37_1 v_idx_309) (< v_idx_297 v_b_18_1) (< v_idx_310 v_b_37_1) (and (= (select |c_#valid| v_idx_293) 1) (= (select (select |c_#memory_int| v_idx_309) v_idx_289) 0) (= (select (select |c_ULTIMATE.start_write~int_old_#memory_int| v_idx_305) v_idx_297) 0) (= (mod (select |c_#length| v_idx_301) 4) 0)) (< v_idx_301 v_b_10_1) (< v_idx_309 v_b_36_1) (< v_idx_305 v_b_16_1) (< v_idx_306 v_b_17_1) (< v_idx_290 v_b_39_1) (<= v_b_39_1 v_idx_289) (<= v_b_10_1 v_idx_300) (<= v_b_36_1 v_idx_308) (< v_idx_289 v_b_38_1) (<= v_b_38_1 v_idx_288) (<= v_b_7_1 v_idx_293) (< v_idx_298 v_b_19_1) (< v_idx_294 v_b_7_1) (<= v_b_17_1 v_idx_305) (<= v_b_18_1 v_idx_296) (< v_idx_293 v_b_6_1) (<= v_b_6_1 v_idx_292) (<= v_b_19_1 v_idx_297))) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= |c_ULTIMATE.start_write~int_#ptr.offset| 4) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_43_1 v_v_45_1) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_v_117_1 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= (mod v_v_30_1 4) 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (= v_v_24_1 1) (= c_ULTIMATE.start_main_~i~8 2) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= v_b_19_1 1) (= v_v_48_1 0) (= |c_ULTIMATE.start_write~int_#value| 0) (= |c_#NULL.offset| 0) (not (= c_ULTIMATE.start_main_~n~7 0)))) (exists ((v_b_42_1 Int) (v_b_43_1 Int) (v_b_40_1 Int) (v_b_41_1 Int) (v_v_608_1 Int) (v_v_601_1 Int)) (and (= |c_#NULL.base| 0) (= (mod v_v_601_1 4) 0) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= v_v_608_1 1) (= c_ULTIMATE.start_main_~x~7.offset 0) (forall ((v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_319 Int) (v_idx_321 Int)) (or (< v_idx_318 v_b_42_1) (<= v_b_42_1 v_idx_317) (< v_idx_319 v_b_43_1) (<= v_b_40_1 v_idx_321) (and (= (mod (select |c_#length| v_idx_322) 4) 0) (= (select |c_#valid| v_idx_318) 1)) (<= v_b_41_1 v_idx_322) (< v_idx_322 v_b_40_1) (<= v_b_43_1 v_idx_318) (< v_idx_323 v_b_41_1))) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))))} [2018-12-19 21:58:04,403 WARN L228 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:58:04,403 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:58:04,403 WARN L230 ngHoareTripleChecker]: Post: {2147483632#(exists ((v_b_73_1 Int) (v_b_42_1 Int) (v_b_43_1 Int) (v_b_40_1 Int) (v_b_41_1 Int) (v_v_818_1 (Array Int Int)) (v_b_70_1 Int) (v_b_71_1 Int) (v_v_816_1 (Array Int Int)) (v_v_608_1 Int) (v_b_72_1 Int) (v_v_610_1 (Array Int Int)) (v_v_821_1 Int) (v_v_601_1 Int)) (and (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |c_#NULL.base| 0) (= (mod v_v_601_1 4) 0) (forall ((v_idx_346 Int) (v_idx_336 Int) (v_idx_333 Int) (v_idx_344 Int) (v_idx_345 Int) (v_idx_334 Int) (v_idx_339 Int) (v_idx_337 Int) (v_idx_338 Int) (v_idx_332 Int) (v_idx_340 Int) (v_idx_341 Int)) (or (<= v_b_70_1 v_idx_344) (<= v_b_43_1 v_idx_333) (< v_idx_334 v_b_43_1) (and (= (mod (select |c_#length| v_idx_337) 4) 0) (= (select |c_#valid| v_idx_333) 1) (= (select (select |c_#memory_int| v_idx_345) v_idx_340) 0)) (< v_idx_338 v_b_41_1) (< v_idx_337 v_b_40_1) (< v_idx_346 v_b_71_1) (< v_idx_340 v_b_72_1) (<= v_b_73_1 v_idx_340) (<= v_b_71_1 v_idx_345) (<= v_b_72_1 v_idx_339) (< v_idx_341 v_b_73_1) (<= v_b_42_1 v_idx_332) (< v_idx_345 v_b_70_1) (<= v_b_40_1 v_idx_336) (< v_idx_333 v_b_42_1) (<= v_b_41_1 v_idx_337))) (= |c_ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |c_ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |c_ULTIMATE.start_write~int_#ptr.base| 0)) (= (mod |c_ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |c_ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= v_v_818_1 v_v_816_1) (not (= |c_ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= (mod |c_ULTIMATE.start_write~int_#ptr.offset| 4) 0) (= v_v_608_1 1) (= c_ULTIMATE.start_main_~x~7.offset 0) (= v_v_610_1 v_v_818_1) (= |c_ULTIMATE.start_write~int_#value| 0) (= v_v_821_1 0) (not (= c_ULTIMATE.start_main_~x~7.base 0)) (= |c_#NULL.offset| 0)))} [2018-12-19 21:58:04,403 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2018-12-19 21:58:04,404 WARN L268 ngHoareTripleChecker]: -- [2018-12-19 21:58:04,404 WARN L269 ngHoareTripleChecker]: Simplified triple [2018-12-19 21:58:04,456 WARN L270 ngHoareTripleChecker]: Pre: {2147483633#(exists ((v_b_42_1 Int) (v_b_43_1 Int) (v_b_40_1 Int) (v_b_41_1 Int) (v_v_608_1 Int) (v_v_601_1 Int)) (and (= |#NULL.base| 0) (= (mod v_v_601_1 4) 0) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= v_v_608_1 1) (= ULTIMATE.start_main_~x~7.offset 0) (forall ((v_idx_322 Int) (v_idx_323 Int) (v_idx_317 Int) (v_idx_318 Int) (v_idx_319 Int) (v_idx_321 Int)) (or (< v_idx_318 v_b_42_1) (<= v_b_42_1 v_idx_317) (< v_idx_319 v_b_43_1) (<= v_b_40_1 v_idx_321) (and (= (mod (select |#length| v_idx_322) 4) 0) (= (select |#valid| v_idx_318) 1)) (<= v_b_41_1 v_idx_322) (< v_idx_322 v_b_40_1) (<= v_b_43_1 v_idx_318) (< v_idx_323 v_b_41_1))) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)))} [2018-12-19 21:58:04,457 WARN L274 ngHoareTripleChecker]: Action: assume !!(main_~i~8 < main_~n~7);write~int_old_#memory_int := #memory_int;write~int_#value, write~int_#ptr.base, write~int_#ptr.offset, write~int_#sizeOfWrittenType := 0, main_~x~7.base, main_~x~7.offset + main_~i~8 * 4, 4;havoc #memory_int;assume #memory_int == write~int_old_#memory_int[write~int_#ptr.base,write~int_#ptr.offset := write~int_#value];main_#t~post2 := main_~i~8;main_~i~8 := main_#t~post2 + 1;havoc main_#t~post2; [2018-12-19 21:58:04,457 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (and (= |c_#memory_int_primed| (store |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed| (store (select |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_ULTIMATE.start_write~int_#ptr.base_primed|) |c_ULTIMATE.start_write~int_#ptr.offset_primed| |c_ULTIMATE.start_write~int_#value_primed|))) (= |c_ULTIMATE.start_write~int_#ptr.base_primed| c_ULTIMATE.start_main_~x~7.base) (= |c_ULTIMATE.start_write~int_#value_primed| 0) (= |c_ULTIMATE.start_write~int_#sizeOfWrittenType_primed| 4) (= (+ c_ULTIMATE.start_main_~i~8 1) c_ULTIMATE.start_main_~i~8_primed) (= |c_ULTIMATE.start_write~int_#ptr.offset_primed| (+ (* 4 c_ULTIMATE.start_main_~i~8) c_ULTIMATE.start_main_~x~7.offset)) (= |c_ULTIMATE.start_write~int_old_#memory_int_primed| |c_#memory_int|) (< c_ULTIMATE.start_main_~i~8 c_ULTIMATE.start_main_~n~7)) [2018-12-19 21:58:04,702 WARN L276 ngHoareTripleChecker]: Post: {2147483632#(and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |#NULL.base| 0) (= |ULTIMATE.start_main_#t~malloc1.offset| 0) (not (= |ULTIMATE.start_main_#t~malloc1.base| 0)) (not (= |ULTIMATE.start_write~int_#ptr.base| 0)) (= (mod |ULTIMATE.start_#Ultimate.alloc_~size| 4) 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (not (= |ULTIMATE.start_#Ultimate.alloc_#res.base| 0)) (= (mod |ULTIMATE.start_write~int_#ptr.offset| 4) 0) (= ULTIMATE.start_main_~x~7.offset 0) (= |ULTIMATE.start_write~int_#value| 0) (not (= ULTIMATE.start_main_~x~7.base 0)) (= |#NULL.offset| 0))} [2018-12-19 21:58:09,611 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-19 21:58:09,627 INFO L272 AbstractInterpreter]: Visited 5 different actions 13 times. Merged at 3 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-19 21:58:09,632 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-19 21:58:09,633 INFO L168 Benchmark]: Toolchain (without parser) took 17609.65 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 237.4 MB). Peak memory consumption was 368.0 MB. Max. memory is 7.1 GB. [2018-12-19 21:58:09,636 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-12-19 21:58:09,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.30 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. [2018-12-19 21:58:09,639 INFO L168 Benchmark]: Boogie Preprocessor took 30.29 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. [2018-12-19 21:58:09,640 INFO L168 Benchmark]: RCFGBuilder took 538.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-19 21:58:09,641 INFO L168 Benchmark]: Abstract Interpretation took 16985.92 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 216.3 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. [2018-12-19 21:58:09,646 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 0.23 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 48.30 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 30.29 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 538.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 16985.92 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 130.5 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 216.3 MB). Peak memory consumption was 346.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L30] #NULL.base, #NULL.offset := 0, 0; [L31] #valid := #valid[0 := 0]; [L32] havoc main_#res; [L33] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~post2, main_~i~8, main_#t~mem5, main_#t~post4, main_~i~9, main_~n~7, main_~x~7.base, main_~x~7.offset; [L34] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L35] main_~n~7 := main_#t~nondet0; [L36] havoc main_#t~nondet0; [L37] assume !!(0 <= main_~n~7 && main_~n~7 <= 1000); [L38] #Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid; [L39] #Ultimate.alloc_~size := main_~n~7 * 4; [L40] havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L41] havoc #valid, #length; [L42] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L43] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L44] assume #Ultimate.alloc_#res.offset == 0; [L45] assume #Ultimate.alloc_#res.base != 0; [L46] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L47] main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L48] main_~x~7.base, main_~x~7.offset := main_#t~malloc1.base, main_#t~malloc1.offset; [L49] main_~i~8 := 0; [L67] assume !(main_~i~8 < main_~n~7); [L68] main_~i~9 := 0; [L70] assume !!(main_~i~9 < main_~n~7); [L71] read~int_#ptr.base, read~int_#ptr.offset, read~int_#sizeOfReadType := main_~x~7.base, main_~x~7.offset + main_~i~9 * 4, 4; [L72] havoc read~int_#value; [L73] assume read~int_#value == #memory_int[read~int_#ptr.base,read~int_#ptr.offset]; [L74] main_#t~mem5 := read~int_#value; [L75] __VERIFIER_assert_#in~cond := (if main_#t~mem5 == 0 then 1 else 0); [L76] havoc __VERIFIER_assert_~cond; [L77] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L78] assume __VERIFIER_assert_~cond == 0; [L79] assume !false; [L82] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...