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/960521-1_false-valid-deref.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:54:01,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:54:01,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:54:01,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:54:01,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:54:01,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:54:01,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:54:01,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:54:01,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:54:01,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:54:01,066 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:54:01,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:54:01,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:54:01,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:54:01,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:54:01,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:54:01,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:54:01,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:54:01,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:54:01,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:54:01,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:54:01,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:54:01,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:54:01,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:54:01,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:54:01,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:54:01,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:54:01,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:54:01,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:54:01,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:54:01,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:54:01,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:54:01,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:54:01,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:54:01,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:54:01,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:54:01,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:54:01,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:54:01,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:54:01,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:54:01,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:54:01,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:54:01,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:54:01,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:54:01,141 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:54:01,141 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:54:01,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl [2019-08-05 11:54:01,143 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181010-MemSafetyPathprograms/960521-1_false-valid-deref.i_5.bpl' [2019-08-05 11:54:01,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:54:01,200 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:54:01,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:54:01,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:54:01,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:54:01,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:54:01,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:54:01,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:54:01,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:54:01,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:54:01" (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 [2019-08-05 11:54:01,328 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:54:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:54:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:54:01,625 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:54:01,626 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:54:01,627 INFO L202 PluginConnector]: Adding new model 960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:54:01 BoogieIcfgContainer [2019-08-05 11:54:01,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:54:01,628 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:54:01,628 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:54:01,628 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:54:01,631 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "960521-1_false-valid-deref.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:54:01" (1/1) ... [2019-08-05 11:54:01,642 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:54:01,645 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:54:01,652 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:54:01,661 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:54:01,663 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:54:02,815 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2019-08-05 11:54:04,051 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-08-05 11:54:04,164 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 120 [2019-08-05 11:54:04,695 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-05 11:54:04,809 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:54:04,809 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:54:04,813 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 27#(and (= (+ ~a~0.offset (* 4 ULTIMATE.start_foo_~i~0)) |ULTIMATE.start_write~int_#ptr.offset|) (= |ULTIMATE.start_write~int_#sizeOfWrittenType| 4) (= |ULTIMATE.start_write~int_#value| (- 1)) (or (not (<= 0 |ULTIMATE.start_write~int_#ptr.offset|)) (not (<= (+ |ULTIMATE.start_write~int_#sizeOfWrittenType| |ULTIMATE.start_write~int_#ptr.offset|) (select |#length| |ULTIMATE.start_write~int_#ptr.base|)))) (< ULTIMATE.start_foo_~i~0 ~n~0) (= ~a~0.base |ULTIMATE.start_write~int_#ptr.base|) (exists ((|v_ULTIMATE.start_write~int_#ptr.offset_8| Int) (|v_ULTIMATE.start_write~int_#ptr.base_8| Int) (|v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| Int) (|v_ULTIMATE.start_write~int_old_#memory_int_7| (Array Int (Array Int Int))) (|v_ULTIMATE.start_write~int_#value_7| Int)) (and (= |#memory_int| (store |v_ULTIMATE.start_write~int_old_#memory_int_7| |v_ULTIMATE.start_write~int_#ptr.base_8| (store (select |v_ULTIMATE.start_write~int_old_#memory_int_7| |v_ULTIMATE.start_write~int_#ptr.base_8|) |v_ULTIMATE.start_write~int_#ptr.offset_8| |v_ULTIMATE.start_write~int_#value_7|))) (<= 0 |v_ULTIMATE.start_write~int_#ptr.offset_8|) (or (and (= |v_ULTIMATE.start_write~int_#value_7| (- 1)) (= |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| 4)) (and (= |#NULL.base| 0) (= |v_ULTIMATE.start_write~int_#value_7| (- 1)) (= ~n~0 128) (= |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8| 4) (= |ULTIMATE.start_main_#t~malloc2.offset| 0) (= |#NULL.offset| 0) (= |ULTIMATE.start_#Ultimate.alloc_#res.offset| 0))) (<= (+ |v_ULTIMATE.start_write~int_#ptr.offset_8| |v_ULTIMATE.start_write~int_#sizeOfWrittenType_8|) (select |#length| |v_ULTIMATE.start_write~int_#ptr.base_8|)) (= (select |#valid| |v_ULTIMATE.start_write~int_#ptr.base_8|) 1))) (= (select |#valid| |ULTIMATE.start_write~int_#ptr.base|) 1) (= |ULTIMATE.start_write~int_old_#memory_int| |#memory_int|)) [2019-08-05 11:54:04,821 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:54:04,824 INFO L168 Benchmark]: Toolchain (without parser) took 3623.26 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 109.3 MB in the beginning and 135.4 MB in the end (delta: -26.2 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:54:04,825 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:54:04,826 INFO L168 Benchmark]: Boogie Preprocessor took 57.85 ms. Allocated memory is still 140.0 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:54:04,827 INFO L168 Benchmark]: RCFGBuilder took 368.51 ms. Allocated memory is still 140.0 MB. Free memory was 106.8 MB in the beginning and 94.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:54:04,828 INFO L168 Benchmark]: Symbolic Interpretation took 3193.82 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 135.4 MB in the end (delta: -41.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:54:04,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 116]: 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 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.85 ms. Allocated memory is still 140.0 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.51 ms. Allocated memory is still 140.0 MB. Free memory was 106.8 MB in the beginning and 94.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3193.82 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 94.3 MB in the beginning and 135.4 MB in the end (delta: -41.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...