java -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_compound_exp_cong.epf -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:17:23,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:17:23,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:17:23,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:17:23,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:17:23,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:17:23,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:17:23,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:17:23,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:17:23,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:17:23,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:17:23,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:17:23,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:17:23,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:17:23,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:17:23,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:17:23,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:17:23,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:17:23,855 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:17:23,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:17:23,856 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:17:23,856 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:17:23,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:17:23,857 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:17:23,857 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:17:23,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:17:23,858 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:17:23,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:17:23,858 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:17:23,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:17:23,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:17:23,859 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:17:23,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:17:23,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:17:23,860 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:17:23,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:17:23,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:17:23,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:17:23,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:17:23,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:17:23,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:17:23,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:17:23,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:17:23,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:17:23,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:17:23,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:17:23,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:17:23,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:17:23,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:17:23,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:17:23,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:17:23,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:17:23,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:17:23,865 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:17:23,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:17:23,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:17:23,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:17:23,866 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:17:23,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:17:23,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:17:23,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:17:23,922 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:17:23,922 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:17:23,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl [2019-08-05 12:17:23,924 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl' [2019-08-05 12:17:23,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:17:24,001 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:17:24,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:24,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:17:24,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:17:24,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:17:24,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:17:24,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:17:24,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:17:24,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (1/1) ... [2019-08-05 12:17:24,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:17:24,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:17:24,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:17:24,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:17:24,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:17:23" (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 [2019-08-05 12:17:24,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:17:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:17:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:17:24,611 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:17:24,612 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:17:24,614 INFO L202 PluginConnector]: Adding new model sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:24 BoogieIcfgContainer [2019-08-05 12:17:24,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:17:24,616 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:17:24,616 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:17:24,617 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:17:24,625 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "sll_to_dll_rev_true-unreach-call_true-valid-memsafety.i_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:17:24" (1/1) ... [2019-08-05 12:17:24,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:17:24,931 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:17:24,956 INFO L272 AbstractInterpreter]: Visited 6 different actions 7 times. Merged at 1 different actions 1 times. Never widened. Performed 478 root evaluator evaluations with a maximum evaluation depth of 4. Performed 478 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:17:24,956 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:17:24,960 INFO L168 Benchmark]: Toolchain (without parser) took 958.07 ms. Allocated memory is still 131.6 MB. Free memory was 104.8 MB in the beginning and 65.6 MB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,961 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.15 ms. Allocated memory is still 131.6 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,964 INFO L168 Benchmark]: Boogie Preprocessor took 62.86 ms. Allocated memory is still 131.6 MB. Free memory was 103.0 MB in the beginning and 101.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,965 INFO L168 Benchmark]: RCFGBuilder took 494.08 ms. Allocated memory is still 131.6 MB. Free memory was 101.3 MB in the beginning and 83.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,967 INFO L168 Benchmark]: Abstract Interpretation took 340.79 ms. Allocated memory is still 131.6 MB. Free memory was 83.9 MB in the beginning and 65.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:17:24,973 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.15 ms. Allocated memory is still 131.6 MB. Free memory was 104.8 MB in the beginning and 103.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.86 ms. Allocated memory is still 131.6 MB. Free memory was 103.0 MB in the beginning and 101.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 494.08 ms. Allocated memory is still 131.6 MB. Free memory was 101.3 MB in the beginning and 83.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 340.79 ms. Allocated memory is still 131.6 MB. Free memory was 83.9 MB in the beginning and 65.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 242]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L118] #NULL.offset, #NULL.base := 0, 0; [L119] #valid := #valid[0 := 0]; [L120] main_old_#valid := #valid; [L121] havoc main_#res; [L122] havoc main_~#p1~0.base, main_#t~mem26.offset, main_#t~ret19.base, main_#t~mem29.offset, main_#t~mem34.offset, main_#t~mem36.base, main_~prev~0.offset, main_~#p1~0.offset, main_#t~mem31.offset, main_#t~ret19.offset, main_#t~mem26.base, main_#t~mem34.base, main_#t~mem35.base, main_~list~1.base, main_#t~mem22.offset, main_~list~1.offset, main_#t~mem28.base, main_#t~mem27.base, main_#t~mem29.base, main_#t~mem23.base, main_#t~mem24.base, main_#t~mem25.base, main_#t~mem33.offset, main_~#p2~0.offset, main_#t~mem27.offset, main_#t~mem24.offset, main_#t~mem21.offset, main_#t~mem36.offset, main_#t~mem20.base, main_#t~mem21.base, main_#t~mem22.base, main_#t~mem30.offset, main_#t~mem31.base, main_#t~mem30.base, main_#t~mem32.base, main_#t~mem33.base, main_#t~mem35.offset, main_#t~mem25.offset, main_~#p2~0.base, main_#t~mem28.offset, main_#t~mem32.offset, main_#t~mem20.offset, main_#t~mem23.offset, main_~prev~0.base; [L123] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L124] #Ultimate.alloc_~size := 4; [L125] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L126] havoc #valid, #length; [L127] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L128] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1] == #valid; [L129] assume #Ultimate.alloc_#res.offset == 0; [L130] assume !(0 == #Ultimate.alloc_#res.base); [L131] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L132] main_~#p1~0.base, main_~#p1~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L133] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L134] #Ultimate.alloc_~size := 4; [L135] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L136] havoc #valid, #length; [L137] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L138] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L139] assume #Ultimate.alloc_#res.offset == 0; [L140] assume !(0 == #Ultimate.alloc_#res.base); [L141] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L142] main_~#p2~0.offset, main_~#p2~0.base := #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L143] create_sll_#in~pp2.offset, create_sll_#in~pp1.offset, create_sll_#in~pp1.base, create_sll_#in~pp2.base := main_~#p2~0.offset, main_~#p1~0.offset, main_~#p1~0.base, main_~#p2~0.base; [L144] havoc create_sll_#res.offset, create_sll_#res.base; [L145] havoc create_sll_#t~mem10.offset, create_sll_#t~mem6.base, create_sll_#t~mem8.base, create_sll_~pp2.offset, create_sll_#t~nondet5, create_sll_#t~nondet7, create_sll_#t~nondet9, create_sll_~#list~0.offset, create_sll_#t~mem8.offset, create_sll_#t~mem10.base, create_sll_~pp1.offset, create_sll_~#list~0.base, create_sll_~pp2.base, create_sll_#t~mem6.offset, create_sll_~pp1.base; [L146] create_sll_~pp1.offset, create_sll_~pp1.base := create_sll_#in~pp1.offset, create_sll_#in~pp1.base; [L147] create_sll_~pp2.base, create_sll_~pp2.offset := create_sll_#in~pp2.base, create_sll_#in~pp2.offset; [L148] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L149] #Ultimate.alloc_~size := 4; [L150] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L151] havoc #valid, #length; [L152] assume 0 == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base]; [L153] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L154] assume #Ultimate.alloc_#res.offset == 0; [L155] assume !(0 == #Ultimate.alloc_#res.base); [L156] assume #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size] == #length; [L157] create_sll_~#list~0.base, create_sll_~#list~0.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset; [L158] write~$Pointer$_old_#memory_$Pointer$.base, write~$Pointer$_old_#memory_$Pointer$.offset := #memory_$Pointer$.base, #memory_$Pointer$.offset; [L159] write~$Pointer$_#value.base, write~$Pointer$_#ptr.offset, write~$Pointer$_#sizeOfWrittenType, write~$Pointer$_#value.offset, write~$Pointer$_#ptr.base := 0, create_sll_~#list~0.offset, 4, 0, create_sll_~#list~0.base; [L160] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L161] assume 0 <= write~$Pointer$_#ptr.offset && write~$Pointer$_#sizeOfWrittenType + write~$Pointer$_#ptr.offset <= #length[write~$Pointer$_#ptr.base]; [L162] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L163] assume write~$Pointer$_#sizeOfWrittenType + write~$Pointer$_#ptr.offset <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L164] havoc #memory_$Pointer$.base, #memory_$Pointer$.offset; [L165] assume #memory_$Pointer$.offset == write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.offset]] && #memory_$Pointer$.base == write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.base]]; [L168] chain_node_#in~ppnode.offset, chain_node_#in~ppnode.base := create_sll_~#list~0.offset, create_sll_~#list~0.base; [L169] havoc chain_node_#t~ret3.offset, chain_node_~ppnode.offset, chain_node_~ppnode.base, chain_node_#t~ret3.base, chain_node_~node~0.base, chain_node_#t~mem4.base, chain_node_#t~mem4.offset, chain_node_~node~0.offset; [L170] chain_node_~ppnode.offset, chain_node_~ppnode.base := chain_node_#in~ppnode.offset, chain_node_#in~ppnode.base; [L171] havoc alloc_node_#res.offset, alloc_node_#res.base; [L172] havoc alloc_node_#t~malloc2.offset, alloc_node_~ptr~0.offset, alloc_node_#t~malloc2.base, alloc_node_~ptr~0.base; [L173] #Ultimate.alloc_old_#valid, #Ultimate.alloc_old_#length := #valid, #length; [L174] #Ultimate.alloc_~size := 8; [L175] havoc #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L176] havoc #valid, #length; [L177] assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0; [L178] assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1]; [L179] assume 0 == #Ultimate.alloc_#res.offset; [L180] assume !(0 == #Ultimate.alloc_#res.base); [L181] assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size]; [L182] alloc_node_#t~malloc2.offset, alloc_node_#t~malloc2.base := #Ultimate.alloc_#res.offset, #Ultimate.alloc_#res.base; [L183] alloc_node_~ptr~0.offset, alloc_node_~ptr~0.base := alloc_node_#t~malloc2.offset, alloc_node_#t~malloc2.base; [L184] assume !(alloc_node_~ptr~0.base == 0) || !(0 == alloc_node_~ptr~0.offset); [L185] write~$Pointer$_old_#memory_$Pointer$.base, write~$Pointer$_old_#memory_$Pointer$.offset := #memory_$Pointer$.base, #memory_$Pointer$.offset; [L186] write~$Pointer$_#value.base, write~$Pointer$_#ptr.offset, write~$Pointer$_#sizeOfWrittenType, write~$Pointer$_#value.offset, write~$Pointer$_#ptr.base := 0, alloc_node_~ptr~0.offset, 4, 0, alloc_node_~ptr~0.base; [L187] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L188] assume write~$Pointer$_#ptr.offset + write~$Pointer$_#sizeOfWrittenType <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L189] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L190] assume write~$Pointer$_#ptr.offset + write~$Pointer$_#sizeOfWrittenType <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L191] havoc #memory_$Pointer$.base, #memory_$Pointer$.offset; [L192] assume #memory_$Pointer$.base == write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.base]] && #memory_$Pointer$.offset == write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.offset]]; [L193] write~$Pointer$_old_#memory_$Pointer$.base, write~$Pointer$_old_#memory_$Pointer$.offset := #memory_$Pointer$.base, #memory_$Pointer$.offset; [L194] write~$Pointer$_#value.base, write~$Pointer$_#ptr.offset, write~$Pointer$_#sizeOfWrittenType, write~$Pointer$_#value.offset, write~$Pointer$_#ptr.base := 0, alloc_node_~ptr~0.offset + 4, 4, 0, alloc_node_~ptr~0.base; [L195] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L196] assume 0 <= write~$Pointer$_#ptr.offset && write~$Pointer$_#ptr.offset + write~$Pointer$_#sizeOfWrittenType <= #length[write~$Pointer$_#ptr.base]; [L197] assume 1 == #valid[write~$Pointer$_#ptr.base]; [L198] assume write~$Pointer$_#sizeOfWrittenType + write~$Pointer$_#ptr.offset <= #length[write~$Pointer$_#ptr.base] && 0 <= write~$Pointer$_#ptr.offset; [L199] havoc #memory_$Pointer$.base, #memory_$Pointer$.offset; [L200] assume #memory_$Pointer$.offset == write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.offset[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.offset]] && write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base := write~$Pointer$_old_#memory_$Pointer$.base[write~$Pointer$_#ptr.base][write~$Pointer$_#ptr.offset := write~$Pointer$_#value.base]] == #memory_$Pointer$.base; [L201] alloc_node_#res.offset, alloc_node_#res.base := alloc_node_~ptr~0.offset, alloc_node_~ptr~0.base; [L202] chain_node_#t~ret3.offset, chain_node_#t~ret3.base := alloc_node_#res.offset, alloc_node_#res.base; [L203] chain_node_~node~0.base, chain_node_~node~0.offset := chain_node_#t~ret3.base, chain_node_#t~ret3.offset; [L204] havoc chain_node_#t~ret3.offset, chain_node_#t~ret3.base; [L205] read~$Pointer$_#ptr.base, read~$Pointer$_#sizeOfReadType, read~$Pointer$_#ptr.offset := chain_node_~ppnode.base, 4, chain_node_~ppnode.offset; [L210] assume !(#valid[read~$Pointer$_#ptr.base] == 1); [L242] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...