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-b03553c [2019-08-05 18:12:11,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:12:11,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:12:11,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:12:11,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:12:11,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:12:11,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:12:11,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:12:11,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:12:11,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:12:11,172 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:12:11,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:12:11,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:12:11,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:12:11,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:12:11,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:12:11,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:12:11,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:12:11,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:12:11,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:12:11,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:12:11,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:12:11,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:12:11,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:12:11,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:12:11,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:12:11,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:12:11,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:12:11,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:12:11,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:12:11,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:12:11,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:12:11,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:12:11,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:12:11,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:12:11,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:12:11,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:12:11,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:12:11,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:12:11,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:12:11,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:12:11,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:12:11,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:12:11,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:12:11,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:12:11,250 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:12:11,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/ArrayInitialization02.bpl [2019-08-05 18:12:11,251 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/ArrayInitialization02.bpl' [2019-08-05 18:12:11,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:12:11,286 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:12:11,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:12:11,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:12:11,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:12:11,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:12:11,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:12:11,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:12:11,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:12:11,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:12:11" (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 18:12:11,397 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 18:12:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:12:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:12:11,627 INFO L275 CfgBuilder]: Using library mode [2019-08-05 18:12:11,627 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:12:11,628 INFO L202 PluginConnector]: Adding new model ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:11 BoogieIcfgContainer [2019-08-05 18:12:11,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:12:11,629 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:12:11,629 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:12:11,629 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:12:11,630 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArrayInitialization02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:12:11" (1/1) ... [2019-08-05 18:12:11,641 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:12:11,644 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:12:11,650 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 18:12:11,658 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:12:11,660 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 18:12:11,773 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:12:11,773 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:12:11,776 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)) [2019-08-05 18:12:11,777 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)))) [2019-08-05 18:12:11,778 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:12:11,785 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:12:11,788 INFO L168 Benchmark]: Toolchain (without parser) took 501.76 ms. Allocated memory is still 139.5 MB. Free memory was 108.2 MB in the beginning and 89.5 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:11,789 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:12:11,790 INFO L168 Benchmark]: Boogie Preprocessor took 43.81 ms. Allocated memory is still 139.5 MB. Free memory was 108.2 MB in the beginning and 106.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:11,792 INFO L168 Benchmark]: RCFGBuilder took 297.81 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 95.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:11,793 INFO L168 Benchmark]: Symbolic Interpretation took 156.76 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:12:11,796 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 139.5 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.81 ms. Allocated memory is still 139.5 MB. Free memory was 108.2 MB in the beginning and 106.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 297.81 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 95.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 156.76 ms. Allocated memory is still 139.5 MB. Free memory was 95.8 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...