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_25.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:18:02,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:18:02,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:18:02,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:18:02,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:18:02,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:18:02,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:18:02,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:18:02,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:18:02,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:18:02,341 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:18:02,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:18:02,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:18:02,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:18:02,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:18:02,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:18:02,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:18:02,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:18:02,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:18:02,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:18:02,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:18:02,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:18:02,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:18:02,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:18:02,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:18:02,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:18:02,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:18:02,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:18:02,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:18:02,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:18:02,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:18:02,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:18:02,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:18:02,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:18:02,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:18:02,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:18:02,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:18:02,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:18:02,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:18:02,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:18:02,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:18:02,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:18:02,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:18:02,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:18:02,440 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:18:02,441 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:18:02,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl [2019-08-09 14:18:02,442 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl' [2019-08-09 14:18:02,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:18:02,499 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:18:02,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:18:02,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:18:02,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:18:02,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (1/1) ... [2019-08-09 14:18:02,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:18:02,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:18:02,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:18:02,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:18:02,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:18:02" (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 14:18:02,680 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:18:02,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:18:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:18:02,999 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:18:03,000 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:18:03,001 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:03 BoogieIcfgContainer [2019-08-09 14:18:03,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:18:03,002 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:18:03,002 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:18:03,002 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:18:03,003 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_25.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:18:03" (1/1) ... [2019-08-09 14:18:03,195 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:18:03,411 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:18:03,487 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:18:04,173 WARN L188 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 118 [2019-08-09 14:18:04,264 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:18:04,797 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 118 [2019-08-09 14:18:05,830 WARN L188 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 132 [2019-08-09 14:18:05,858 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:18:05,865 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:18:05,867 INFO L168 Benchmark]: Toolchain (without parser) took 3368.35 ms. Allocated memory was 136.8 MB in the beginning and 240.1 MB in the end (delta: 103.3 MB). Free memory was 108.1 MB in the beginning and 163.1 MB in the end (delta: -55.0 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:05,868 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:18:05,869 INFO L168 Benchmark]: Boogie Preprocessor took 83.38 ms. Allocated memory is still 136.8 MB. Free memory was 107.9 MB in the beginning and 105.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:05,870 INFO L168 Benchmark]: RCFGBuilder took 418.53 ms. Allocated memory is still 136.8 MB. Free memory was 105.5 MB in the beginning and 89.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:05,871 INFO L168 Benchmark]: Symbolic Interpretation took 2863.24 ms. Allocated memory was 136.8 MB in the beginning and 240.1 MB in the end (delta: 103.3 MB). Free memory was 89.7 MB in the beginning and 163.1 MB in the end (delta: -73.4 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:18:05,875 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 201]: 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 33#(and (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (not (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|))) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 109.9 MB in the beginning and 109.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.38 ms. Allocated memory is still 136.8 MB. Free memory was 107.9 MB in the beginning and 105.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 418.53 ms. Allocated memory is still 136.8 MB. Free memory was 105.5 MB in the beginning and 89.7 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2863.24 ms. Allocated memory was 136.8 MB in the beginning and 240.1 MB in the end (delta: 103.3 MB). Free memory was 89.7 MB in the beginning and 163.1 MB in the end (delta: -73.4 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...