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/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:49:27,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:49:27,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:49:27,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:49:27,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:49:27,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:49:27,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:49:27,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:49:27,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:49:27,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:49:27,124 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:49:27,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:49:27,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:49:27,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:49:27,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:49:27,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:49:27,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:49:27,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:49:27,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:49:27,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:49:27,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:49:27,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:49:27,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:49:27,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:49:27,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:49:27,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:49:27,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:49:27,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:49:27,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:49:27,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:49:27,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:49:27,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:49:27,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:49:27,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:49:27,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:49:27,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:49:27,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:49:27,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:49:27,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:49:27,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:49:27,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:49:27,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:49:27,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:49:27,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:49:27,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:49:27,199 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:49:27,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-08-05 11:49:27,200 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-08-05 11:49:27,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:49:27,232 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:49:27,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:49:27,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:49:27,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:49:27,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:49:27,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:49:27,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:49:27,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:49:27,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:49:27" (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 11:49:27,338 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:49:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:49:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:49:27,525 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:49:27,525 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:49:27,527 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:27 BoogieIcfgContainer [2019-08-05 11:49:27,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:49:27,527 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:49:27,527 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:49:27,528 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:49:27,530 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:49:27" (1/1) ... [2019-08-05 11:49:27,543 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:49:27,546 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:49:27,553 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:49:27,564 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:49:27,565 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:49:27,775 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-08-05 11:49:28,017 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-05 11:49:28,181 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-08-05 11:49:28,430 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-08-05 11:49:28,761 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-08-05 11:49:28,957 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2019-08-05 11:49:29,248 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 108 [2019-08-05 11:49:29,455 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 123 [2019-08-05 11:49:29,850 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 153 [2019-08-05 11:49:30,024 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 168 [2019-08-05 11:49:30,449 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 183 [2019-08-05 11:49:30,653 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 198 [2019-08-05 11:49:30,871 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 213 [2019-08-05 11:49:31,258 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 228 [2019-08-05 11:49:31,488 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 243 [2019-08-05 11:49:31,736 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 258 [2019-08-05 11:49:32,050 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 273 [2019-08-05 11:49:32,374 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 288 [2019-08-05 11:49:32,716 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 303 [2019-08-05 11:49:33,132 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 318 [2019-08-05 11:49:33,617 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 333 [2019-08-05 11:49:34,417 WARN L188 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-08-05 11:49:34,454 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:49:34,455 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:49:34,458 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 128#(and (exists ((v_a_30 (Array Int Int))) (= (store v_a_30 (+ i (- 1)) 0) a)) (<= 0 r) (< i (+ n 1)) (< r n) (not (< i n)) (not (= (select a r) 0))) [2019-08-05 11:49:34,467 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:49:34,470 INFO L168 Benchmark]: Toolchain (without parser) took 7237.54 ms. Allocated memory was 133.7 MB in the beginning and 232.8 MB in the end (delta: 99.1 MB). Free memory was 111.2 MB in the beginning and 199.1 MB in the end (delta: -87.9 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:34,471 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:49:34,472 INFO L168 Benchmark]: Boogie Preprocessor took 44.66 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:34,473 INFO L168 Benchmark]: RCFGBuilder took 249.33 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 99.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:34,474 INFO L168 Benchmark]: Symbolic Interpretation took 6940.54 ms. Allocated memory was 133.7 MB in the beginning and 232.8 MB in the end (delta: 99.1 MB). Free memory was 99.7 MB in the beginning and 199.1 MB in the end (delta: -99.3 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:49:34,479 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 34]: 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 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 112.5 MB in the beginning and 112.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.66 ms. Allocated memory is still 133.7 MB. Free memory was 111.2 MB in the beginning and 109.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.33 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 99.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6940.54 ms. Allocated memory was 133.7 MB in the beginning and 232.8 MB in the end (delta: 99.1 MB). Free memory was 99.7 MB in the beginning and 199.1 MB in the end (delta: -99.3 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...