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 [2019-08-04 21:58:31,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:31,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:31,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:31,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:31,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:31,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:31,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:31,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:31,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:31,737 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:31,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:31,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:31,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:31,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:31,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:31,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:31,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:31,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:31,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:31,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:31,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:31,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:31,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:31,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:31,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:31,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:31,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:31,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:31,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:31,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:31,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:31,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:31,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:31,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:31,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:31,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:31,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:31,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:31,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:31,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:31,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:31,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:31,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:31,835 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:31,836 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:31,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-08-04 21:58:31,837 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-08-04 21:58:31,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:31,876 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:31,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:31,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:31,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:31,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (1/1) ... [2019-08-04 21:58:31,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:31,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:31,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:31,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:31,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:31" (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 [2019-08-04 21:58:32,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-04 21:58:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-04 21:58:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-04 21:58:32,180 INFO L275 CfgBuilder]: Using library mode [2019-08-04 21:58:32,180 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 21:58:32,182 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:32 BoogieIcfgContainer [2019-08-04 21:58:32,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:32,182 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:32,182 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:32,183 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:32,185 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:32" (1/1) ... [2019-08-04 21:58:32,196 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:32,198 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:32,206 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-04 21:58:32,215 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:32,216 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-04 21:58:32,487 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-08-04 21:58:32,687 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-08-04 21:58:32,946 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-08-04 21:58:33,203 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-08-04 21:58:33,478 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 78 [2019-08-04 21:58:33,635 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 93 [2019-08-04 21:58:33,788 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 108 [2019-08-04 21:58:34,022 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 123 [2019-08-04 21:58:34,425 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 153 [2019-08-04 21:58:34,626 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 168 [2019-08-04 21:58:35,022 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 183 [2019-08-04 21:58:35,213 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 198 [2019-08-04 21:58:35,424 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 213 [2019-08-04 21:58:35,665 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 228 [2019-08-04 21:58:35,911 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 243 [2019-08-04 21:58:36,122 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 258 [2019-08-04 21:58:36,385 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 273 [2019-08-04 21:58:36,707 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 288 [2019-08-04 21:58:37,069 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 303 [2019-08-04 21:58:37,489 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 318 [2019-08-04 21:58:37,930 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 333 [2019-08-04 21:58:38,694 WARN L188 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 478 [2019-08-04 21:58:38,741 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:38,741 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:38,744 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))) [2019-08-04 21:58:38,752 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:38,756 INFO L168 Benchmark]: Toolchain (without parser) took 6880.36 ms. Allocated memory was 134.2 MB in the beginning and 231.7 MB in the end (delta: 97.5 MB). Free memory was 110.6 MB in the beginning and 196.1 MB in the end (delta: -85.5 MB). Peak memory consumption was 118.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:38,757 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:38,758 INFO L168 Benchmark]: Boogie Preprocessor took 51.75 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:38,759 INFO L168 Benchmark]: RCFGBuilder took 253.00 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 98.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:38,760 INFO L168 Benchmark]: Symbolic Interpretation took 6572.17 ms. Allocated memory was 134.2 MB in the beginning and 231.7 MB in the end (delta: 97.5 MB). Free memory was 98.9 MB in the beginning and 196.1 MB in the end (delta: -97.2 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:38,764 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 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.75 ms. Allocated memory is still 134.2 MB. Free memory was 110.6 MB in the beginning and 108.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 253.00 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 98.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6572.17 ms. Allocated memory was 134.2 MB in the beginning and 231.7 MB in the end (delta: 97.5 MB). Free memory was 98.9 MB in the beginning and 196.1 MB in the end (delta: -97.2 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...