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/toy/InvariantChecking/showcase/ArrayInitialization02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:54:19,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:54:19,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:54:19,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:54:19,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:54:19,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:54:19,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:54:19,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:54:19,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:54:19,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:54:19,810 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:54:19,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:54:19,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:54:19,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:54:19,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:54:19,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:54:19,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:54:19,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:54:19,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:54:19,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:54:19,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:54:19,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:54:19,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:54:19,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:54:19,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:54:19,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:54:19,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:54:19,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:54:19,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:54:19,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:54:19,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:54:19,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:54:19,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:54:19,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:54:19,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:54:19,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:54:19,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:54:19,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:54:19,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:54:19,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:54:19,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:54:19,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:54:19,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:54:19,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:54:19,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:54:19,884 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:54:19,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/ArrayInitialization02.bpl [2019-08-06 16:54:19,885 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/ArrayInitialization02.bpl' [2019-08-06 16:54:19,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:54:19,921 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:54:19,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:54:19,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:54:19,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:54:19,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (1/1) ... [2019-08-06 16:54:19,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:54:19,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:54:19,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:54:19,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:54:19,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:54:19" (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 16:54:20,038 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-06 16:54:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-06 16:54:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-06 16:54:20,282 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:54:20,282 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-06 16:54:20,283 INFO L202 PluginConnector]: Adding new model ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:20 BoogieIcfgContainer [2019-08-06 16:54:20,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:54:20,284 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:54:20,284 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:54:20,284 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:54:20,285 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:54:20" (1/1) ... [2019-08-06 16:54:20,298 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-06 16:54:20,301 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:54:20,307 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-06 16:54:20,315 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:54:20,317 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-06 16:54:20,443 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:54:20,443 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:54:20,446 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 27#(and (not (= (select main_a main_j) 23)) (<= 0 main_n) (<= 0 main_i) (<= main_j main_n) (forall ((qk Int)) (or (not (<= (+ qk 1) main_i)) (not (<= 0 qk)) (= 23 (select main_a qk)))) (exists ((v_main_a_11 (Array Int Int))) (= (store v_main_a_11 (+ main_i (- 1)) 23) main_a)) (not (<= main_i main_n)) (<= main_i (+ main_n 1)) (<= 0 main_j)) [2019-08-06 16:54:20,447 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 33#(and (or (and (<= 0 main_n) (= main_i 0)) (and (<= 0 main_n) (<= main_i (+ main_n 2)) (<= 1 main_i) (<= main_i (+ main_n 1)) (exists ((v_main_a_12 (Array Int Int))) (and (exists ((v_main_a_11 (Array Int Int))) (= (store v_main_a_11 (+ main_i (- 2)) 23) v_main_a_12)) (= (store v_main_a_12 (+ main_i (- 1)) 23) main_a) (forall ((qk Int)) (or (= 23 (select v_main_a_12 qk)) (not (<= 0 qk)) (not (<= (+ qk 2) main_i)))))))) (or (not (<= main_i (+ main_n 1))) (exists ((v_skolemized_qk_2 Int)) (and (<= 0 v_skolemized_qk_2) (<= (+ v_skolemized_qk_2 1) main_i) (not (= (select main_a v_skolemized_qk_2) 23)))) (not (<= 0 main_i)) (not (<= 0 main_n)))) [2019-08-06 16:54:20,449 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:54:20,456 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:54:20,459 INFO L168 Benchmark]: Toolchain (without parser) took 537.03 ms. Allocated memory is still 140.5 MB. Free memory was 107.5 MB in the beginning and 89.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:20,460 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-06 16:54:20,462 INFO L168 Benchmark]: Boogie Preprocessor took 43.66 ms. Allocated memory is still 140.5 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:20,463 INFO L168 Benchmark]: RCFGBuilder took 317.77 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:20,464 INFO L168 Benchmark]: Symbolic Interpretation took 172.23 ms. Allocated memory is still 140.5 MB. Free memory was 95.4 MB in the beginning and 89.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-06 16:54:20,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 25]: 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: - UnprovableResult [Line: 18]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and 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 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.66 ms. Allocated memory is still 140.5 MB. Free memory was 107.5 MB in the beginning and 105.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 317.77 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 172.23 ms. Allocated memory is still 140.5 MB. Free memory was 95.4 MB in the beginning and 89.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...