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_45.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4ddfff8 [2019-08-09 14:15:51,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 14:15:51,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 14:15:51,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 14:15:51,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 14:15:51,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 14:15:51,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 14:15:51,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 14:15:51,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 14:15:51,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 14:15:51,797 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 14:15:51,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 14:15:51,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 14:15:51,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 14:15:51,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 14:15:51,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 14:15:51,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 14:15:51,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 14:15:51,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 14:15:51,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 14:15:51,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 14:15:51,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 14:15:51,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 14:15:51,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 14:15:51,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 14:15:51,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 14:15:51,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 14:15:51,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 14:15:51,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 14:15:51,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 14:15:51,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 14:15:51,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 14:15:51,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 14:15:51,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 14:15:51,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 14:15:51,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 14:15:51,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 14:15:51,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 14:15:51,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 14:15:51,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 14:15:51,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 14:15:51,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 14:15:51,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 14:15:51,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 14:15:51,865 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-09 14:15:51,865 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-09 14:15:51,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl [2019-08-09 14:15:51,866 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl' [2019-08-09 14:15:51,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 14:15:51,919 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-09 14:15:51,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 14:15:51,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 14:15:51,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 14:15:51,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (1/1) ... [2019-08-09 14:15:51,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 14:15:51,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 14:15:51,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 14:15:51,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 14:15:51,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.08 02:15:51" (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 14:15:52,061 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-09 14:15:52,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 14:15:52,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 14:15:52,427 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-09 14:15:52,570 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 14:15:52,570 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-09 14:15:52,572 INFO L202 PluginConnector]: Adding new model alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:52 BoogieIcfgContainer [2019-08-09 14:15:52,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 14:15:52,573 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 14:15:52,573 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 14:15:52,573 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 14:15:52,574 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "alternating_list_true-unreach-call_true-valid-memsafety.i_45.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 02:15:52" (1/1) ... [2019-08-09 14:15:52,716 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:52,945 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-08-09 14:15:53,100 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:53,681 WARN L188 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 118 [2019-08-09 14:15:53,813 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-09 14:15:56,642 WARN L188 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 201 DAG size of output: 159 [2019-08-09 14:15:57,475 WARN L188 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-08-09 14:15:58,161 WARN L188 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-09 14:15:58,797 WARN L188 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-08-09 14:15:59,476 WARN L188 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-08-09 14:15:59,551 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 14:15:59,561 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 14:15:59,563 INFO L168 Benchmark]: Toolchain (without parser) took 7643.52 ms. Allocated memory was 134.2 MB in the beginning and 284.7 MB in the end (delta: 150.5 MB). Free memory was 108.5 MB in the beginning and 228.7 MB in the end (delta: -120.1 MB). Peak memory consumption was 193.8 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,564 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,565 INFO L168 Benchmark]: Boogie Preprocessor took 54.89 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 106.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,566 INFO L168 Benchmark]: RCFGBuilder took 596.85 ms. Allocated memory is still 134.2 MB. Free memory was 105.9 MB in the beginning and 80.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,567 INFO L168 Benchmark]: Symbolic Interpretation took 6988.60 ms. Allocated memory was 134.2 MB in the beginning and 284.7 MB in the end (delta: 150.5 MB). Free memory was 80.3 MB in the beginning and 228.7 MB in the end (delta: -148.3 MB). Peak memory consumption was 165.5 MB. Max. memory is 7.1 GB. [2019-08-09 14:15:59,571 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 197]: 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 64#(and (or (and (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| 3) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4) (= ULTIMATE.start_main_~flag~0 1)) (and (= |ULTIMATE.start_read~$Pointer$_#sizeOfReadType| 4) (= |ULTIMATE.start_read~int_#sizeOfReadType| 4))) (not (= 1 (select |#valid| |ULTIMATE.start_read~int_#ptr.base|)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.89 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 106.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 596.85 ms. Allocated memory is still 134.2 MB. Free memory was 105.9 MB in the beginning and 80.3 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6988.60 ms. Allocated memory was 134.2 MB in the beginning and 284.7 MB in the end (delta: 150.5 MB). Free memory was 80.3 MB in the beginning and 228.7 MB in the end (delta: -148.3 MB). Peak memory consumption was 165.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...