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_42.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:56:34,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:56:34,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:56:34,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:56:34,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:56:34,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:56:34,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:56:34,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:56:34,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:56:34,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:56:34,554 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:56:34,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:56:34,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:56:34,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:56:34,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:56:34,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:56:34,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:56:34,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:56:34,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:56:34,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:56:34,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:56:34,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:56:34,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:56:34,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:56:34,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:56:34,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:56:34,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:56:34,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:56:34,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:56:34,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:56:34,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:56:34,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:56:34,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:56:34,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:56:34,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:56:34,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:56:34,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:56:34,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:56:34,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:56:34,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:56:34,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:56:34,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:56:34,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:56:34,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:56:34,630 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:56:34,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:56:34,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl [2019-08-06 16:56:34,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl' [2019-08-06 16:56:34,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:56:34,701 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:56:34,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:56:34,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:56:34,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:56:34,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (1/1) ... [2019-08-06 16:56:34,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:56:34,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:56:34,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:56:34,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:56:34,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:56:34" (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 [2019-08-06 16:56:34,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-06 16:56:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-06 16:56:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-06 16:56:35,610 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-06 16:56:35,611 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:56:35,613 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:35 BoogieIcfgContainer [2019-08-06 16:56:35,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:56:35,614 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:56:35,614 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:56:35,614 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:56:35,615 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_42.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:56:35" (1/1) ... [2019-08-06 16:56:35,627 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:56:35,630 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:56:35,639 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-06 16:56:35,657 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:56:35,659 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-06 16:56:35,936 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:56:35,936 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:56:35,941 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 48#(and (= |ULTIMATE.start_read~$Pointer$_#value.base| ULTIMATE.start_main_~p~0.base) (= 1 (select |#valid| ULTIMATE.start_main_~p~0.base)) (= 1 (select |#valid| |ULTIMATE.start_read~$Pointer$_#ptr.base|)) (= |ULTIMATE.start_read~$Pointer$_#value.offset| ULTIMATE.start_main_~p~0.offset) (or (not (<= 0 |ULTIMATE.start_read~$Pointer$_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_read~$Pointer$_#ptr.offset| |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (select |#length| |ULTIMATE.start_read~$Pointer$_#ptr.base|)))) (<= (+ ULTIMATE.start_main_~p~0.offset 4) (select |#length| ULTIMATE.start_main_~p~0.base)) (exists ((|v_ULTIMATE.start_read~int_#sizeOfReadType_12| Int) (|v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_16| Int) (|v_ULTIMATE.start_read~$Pointer$_#ptr.offset_15| Int) (|v_ULTIMATE.start_read~$Pointer$_#ptr.base_15| Int)) (and (<= (+ |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_15| |v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_16|) (select |#length| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_15|)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_15|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_15|) |ULTIMATE.start_read~$Pointer$_#value.base|) (= 1 (select |#valid| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_15|)) (or (= |v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_16| 4) (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_#Ultimate.alloc_~size| 8) (= |ULTIMATE.start_write~$Pointer$_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| 3) (= |v_ULTIMATE.start_read~$Pointer$_#sizeOfReadType_16| 4) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0) (= 4 |v_ULTIMATE.start_read~int_#sizeOfReadType_12|))) (<= 0 |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_15|) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_read~$Pointer$_#ptr.base_15|) |v_ULTIMATE.start_read~$Pointer$_#ptr.offset_15|) |ULTIMATE.start_read~$Pointer$_#value.offset|))) (<= 0 ULTIMATE.start_main_~p~0.offset) (= 4 |ULTIMATE.start_read~$Pointer$_#sizeOfReadType|) (not (= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 3)) (= |ULTIMATE.start_read~$Pointer$_#ptr.base| ULTIMATE.start_main_~p~0.base) (= (+ ULTIMATE.start_main_~p~0.offset 4) |ULTIMATE.start_read~$Pointer$_#ptr.offset|) (or (and (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_read~int_#ptr.base|) |ULTIMATE.start_read~int_#ptr.offset|)) (<= 0 |ULTIMATE.start_read~int_#ptr.offset|) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= |ULTIMATE.start_read~int_#value| 2) (= ULTIMATE.start_main_~flag~0 1) (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))) (and (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (exists ((v_ULTIMATE.start_main_~flag~0_35 Int)) (not (= v_ULTIMATE.start_main_~flag~0_35 0))) (= |ULTIMATE.start_read~int_#value| (select (select |#memory_int| |ULTIMATE.start_read~int_#ptr.base|) |ULTIMATE.start_read~int_#ptr.offset|)) (= ULTIMATE.start_main_~flag~0 0) (<= 0 |ULTIMATE.start_read~int_#ptr.offset|) (= |ULTIMATE.start_read~int_#value| 1) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|))))) [2019-08-06 16:56:35,943 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:56:35,950 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:56:35,953 INFO L168 Benchmark]: Toolchain (without parser) took 1252.77 ms. Allocated memory was 138.9 MB in the beginning and 177.2 MB in the end (delta: 38.3 MB). Free memory was 107.6 MB in the beginning and 151.5 MB in the end (delta: -43.9 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:35,956 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:56:35,958 INFO L168 Benchmark]: Boogie Preprocessor took 92.59 ms. Allocated memory is still 138.9 MB. Free memory was 107.6 MB in the beginning and 105.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:35,959 INFO L168 Benchmark]: RCFGBuilder took 818.42 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 78.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:35,960 INFO L168 Benchmark]: Symbolic Interpretation took 336.44 ms. Allocated memory was 138.9 MB in the beginning and 177.2 MB in the end (delta: 38.3 MB). Free memory was 78.2 MB in the beginning and 151.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:56:35,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 239]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.59 ms. Allocated memory is still 138.9 MB. Free memory was 107.6 MB in the beginning and 105.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 818.42 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 78.2 MB in the end (delta: 26.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 336.44 ms. Allocated memory was 138.9 MB in the beginning and 177.2 MB in the end (delta: 38.3 MB). Free memory was 78.2 MB in the beginning and 151.5 MB in the end (delta: -73.3 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...