java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:16:46,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:16:46,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:16:46,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:16:46,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:16:46,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:16:46,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:16:46,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:16:46,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:16:46,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:16:46,879 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:16:46,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:16:46,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:16:46,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:16:46,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:16:46,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:16:46,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:16:46,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:16:46,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:16:46,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:16:46,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:16:46,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:16:46,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:16:46,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:16:46,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:16:46,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:16:46,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:16:46,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:16:46,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:16:46,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:16:46,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:16:46,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:16:46,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:16:46,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:16:46,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:16:46,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:16:46,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:16:46,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:16:46,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:16:46,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:16:46,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:16:46,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:16:46,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:16:46,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:16:46,989 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:16:46,989 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:16:46,990 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl [2019-08-09 14:16:46,991 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl' [2019-08-09 14:16:47,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:16:47,054 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:16:47,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:16:47,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:16:47,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:16:47,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:16:47,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:16:47,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:16:47,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:16:47,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:16:47" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-09 14:16:47,223 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:16:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:16:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:16:47,533 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-09 14:16:47,648 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:16:47,648 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:16:47,650 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:47 BoogieIcfgContainer [2019-08-09 14:16:47,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:16:47,651 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:16:47,651 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:16:47,651 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:16:47,652 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_35.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:16:47" (1/1) ... [2019-08-09 14:16:47,859 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:48,029 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:16:48,172 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:48,836 WARN L188 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 118 [2019-08-09 14:16:48,926 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:49,140 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:52,382 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2019-08-09 14:16:53,276 WARN L188 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-08-09 14:16:54,023 WARN L188 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-08-09 14:16:54,700 WARN L188 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-09 14:16:55,350 WARN L188 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-08-09 14:16:55,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:55,865 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2019-08-09 14:16:55,932 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:55,997 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:58,353 WARN L188 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 197 DAG size of output: 149 [2019-08-09 14:16:59,017 WARN L188 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-08-09 14:16:59,078 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:16:59,096 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:02,850 WARN L188 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 209 DAG size of output: 153 [2019-08-09 14:17:04,319 WARN L188 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2019-08-09 14:17:04,973 WARN L188 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-09 14:17:05,031 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:05,116 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:07,542 WARN L188 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 191 DAG size of output: 143 [2019-08-09 14:17:08,169 WARN L188 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-09 14:17:08,176 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:08,186 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:08,188 INFO L168 Benchmark]: Toolchain (without parser) took 21134.35 ms. Allocated memory was 130.0 MB in the beginning and 461.4 MB in the end (delta: 331.4 MB). Free memory was 105.7 MB in the beginning and 438.3 MB in the end (delta: -332.7 MB). Peak memory consumption was 354.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:08,189 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 14:17:08,190 INFO L168 Benchmark]: Boogie Preprocessor took 95.04 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 103.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:08,190 INFO L168 Benchmark]: RCFGBuilder took 499.66 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 82.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:08,191 INFO L168 Benchmark]: Symbolic Interpretation took 20536.03 ms. Allocated memory was 130.0 MB in the beginning and 461.4 MB in the end (delta: 331.4 MB). Free memory was 82.4 MB in the beginning and 438.3 MB in the end (delta: -355.9 MB). Peak memory consumption was 331.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:08,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 152]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 77#(or (and (= ULTIMATE.start_main_~p~0.offset 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| 3) (= |ULTIMATE.start_read~$Pointer$_#sizeOfReadType| 4) (= |ULTIMATE.start_main_#res| 0) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= ULTIMATE.start_main_~flag~0 1) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0)) (and (= |#NULL.base| 0) (= |ULTIMATE.start_read~int_#value| 3) (= ULTIMATE.start_main_~p~0.offset 0) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |ULTIMATE.start_write~int_#value| 3) (= |ULTIMATE.start_main_#res| 0) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= ULTIMATE.start_main_~flag~0 1) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 130.0 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.04 ms. Allocated memory is still 130.0 MB. Free memory was 105.7 MB in the beginning and 103.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 499.66 ms. Allocated memory is still 130.0 MB. Free memory was 103.0 MB in the beginning and 82.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20536.03 ms. Allocated memory was 130.0 MB in the beginning and 461.4 MB in the end (delta: 331.4 MB). Free memory was 82.4 MB in the beginning and 438.3 MB in the end (delta: -355.9 MB). Peak memory consumption was 331.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...