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_41.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:17:45,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:17:45,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:17:45,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:17:45,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:17:45,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:17:45,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:17:45,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:17:45,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:17:45,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:17:45,992 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:17:45,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:17:45,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:17:45,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:17:45,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:17:45,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:17:45,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:17:45,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:17:45,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:17:46,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:17:46,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:17:46,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:17:46,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:17:46,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:17:46,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:17:46,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:17:46,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:17:46,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:17:46,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:17:46,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:17:46,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:17:46,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:17:46,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:17:46,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:17:46,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:17:46,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:17:46,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:17:46,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:17:46,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:17:46,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:17:46,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:17:46,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:17:46,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:17:46,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:17:46,078 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:17:46,078 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:17:46,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl [2019-08-09 14:17:46,079 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl' [2019-08-09 14:17:46,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:17:46,131 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:17:46,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:17:46,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:17:46,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:17:46,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:17:46,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:17:46,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:17:46,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:17:46,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:17:46" (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 14:17:46,278 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:17:46,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:17:46,689 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:17:46,689 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:17:46,691 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:46 BoogieIcfgContainer [2019-08-09 14:17:46,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:17:46,692 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:17:46,692 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:17:46,693 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:17:46,700 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_41.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:17:46" (1/1) ... [2019-08-09 14:17:46,893 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:47,043 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:17:47,153 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:47,803 WARN L188 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 118 [2019-08-09 14:17:47,856 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:17:48,382 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 118 [2019-08-09 14:17:49,335 WARN L188 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2019-08-09 14:17:51,994 WARN L188 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 217 DAG size of output: 187 [2019-08-09 14:17:52,034 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:17:52,042 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:17:52,044 INFO L168 Benchmark]: Toolchain (without parser) took 5913.19 ms. Allocated memory was 138.9 MB in the beginning and 304.6 MB in the end (delta: 165.7 MB). Free memory was 105.2 MB in the beginning and 145.7 MB in the end (delta: -40.5 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,045 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,046 INFO L168 Benchmark]: Boogie Preprocessor took 58.09 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 102.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,047 INFO L168 Benchmark]: RCFGBuilder took 501.79 ms. Allocated memory is still 138.9 MB. Free memory was 102.7 MB in the beginning and 85.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,048 INFO L168 Benchmark]: Symbolic Interpretation took 5350.01 ms. Allocated memory was 138.9 MB in the beginning and 304.6 MB in the end (delta: 165.7 MB). Free memory was 85.1 MB in the beginning and 145.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 131.9 MB. Max. memory is 7.1 GB. [2019-08-09 14:17:52,051 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 251]: 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 54#(and (= |ULTIMATE.start_read~int_#ptr.offset| ULTIMATE.start_main_~p~0.offset) (or (= 0 ULTIMATE.start_main_~p~0.base) (= (select |ULTIMATE.start_ULTIMATE.dealloc_old_#valid| ULTIMATE.start_main_~p~0.base) 1)) (<= (+ |ULTIMATE.start_read~int_#sizeOfReadType| |ULTIMATE.start_read~int_#ptr.offset|) (select |#length| |ULTIMATE.start_read~int_#ptr.base|)) (= |ULTIMATE.start_read~int_#value| 3) (= 0 ULTIMATE.start_main_~p~0.offset) (= |#valid| (store |ULTIMATE.start_ULTIMATE.dealloc_old_#valid| ULTIMATE.start_ULTIMATE.dealloc_~addr.base 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_#res| 0) (= ULTIMATE.start_ULTIMATE.dealloc_~addr.base ULTIMATE.start_main_~p~0.base) (= (select |ULTIMATE.start_ULTIMATE.dealloc_old_#valid| |ULTIMATE.start_read~int_#ptr.base|) 1) (= |ULTIMATE.start_read~int_#ptr.base| ULTIMATE.start_main_~p~0.base) (<= 0 |ULTIMATE.start_read~int_#ptr.offset|) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= ULTIMATE.start_ULTIMATE.dealloc_~addr.offset ULTIMATE.start_main_~p~0.offset) (not (= |ULTIMATE.start_main_old_#valid| |#valid|))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.09 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 102.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 501.79 ms. Allocated memory is still 138.9 MB. Free memory was 102.7 MB in the beginning and 85.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5350.01 ms. Allocated memory was 138.9 MB in the beginning and 304.6 MB in the end (delta: 165.7 MB). Free memory was 85.1 MB in the beginning and 145.7 MB in the end (delta: -60.6 MB). Peak memory consumption was 131.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...