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/2018ProgVerif-Sheet04Ex04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:48:13,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:48:13,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:48:13,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:48:13,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:48:13,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:48:13,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:48:13,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:48:13,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:48:13,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:48:13,634 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:48:13,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:48:13,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:48:13,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:48:13,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:48:13,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:48:13,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:48:13,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:48:13,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:48:13,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:48:13,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:48:13,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:48:13,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:48:13,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:48:13,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:48:13,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:48:13,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:48:13,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:48:13,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:48:13,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:48:13,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:48:13,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:48:13,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:48:13,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:48:13,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:48:13,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:48:13,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:48:13,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:48:13,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:48:13,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:48:13,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:48:13,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:48:13,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:48:13,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:48:13,716 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:48:13,716 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:48:13,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/2018ProgVerif-Sheet04Ex04.bpl [2019-08-05 11:48:13,717 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/2018ProgVerif-Sheet04Ex04.bpl' [2019-08-05 11:48:13,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:48:13,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:48:13,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:48:13,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:48:13,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:48:13,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (1/1) ... [2019-08-05 11:48:13,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:48:13,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:48:13,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:48:13,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:48:13,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:13" (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 11:48:13,870 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:48:13,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:48:13,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:48:14,113 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:48:14,114 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 11:48:14,115 INFO L202 PluginConnector]: Adding new model 2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:14 BoogieIcfgContainer [2019-08-05 11:48:14,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:48:14,116 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:48:14,116 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:48:14,116 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:48:14,119 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "2018ProgVerif-Sheet04Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:14" (1/1) ... [2019-08-05 11:48:14,130 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:48:14,132 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:48:14,139 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:48:14,148 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:48:14,150 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:48:14,418 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2019-08-05 11:48:14,533 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2019-08-05 11:48:14,661 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2019-08-05 11:48:14,958 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-08-05 11:48:15,122 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-08-05 11:48:15,402 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-08-05 11:48:15,526 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-08-05 11:48:15,948 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-08-05 11:48:16,077 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-08-05 11:48:16,236 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-08-05 11:48:16,414 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-08-05 11:48:16,818 WARN L188 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-08-05 11:48:16,875 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:48:16,875 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:48:16,879 INFO L178 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 51#false [2019-08-05 11:48:16,880 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 57#false [2019-08-05 11:48:16,882 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:48:16,885 INFO L168 Benchmark]: Toolchain (without parser) took 3129.99 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 107.3 MB in the beginning and 180.1 MB in the end (delta: -72.8 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:16,886 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:48:16,887 INFO L168 Benchmark]: Boogie Preprocessor took 46.15 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:16,888 INFO L168 Benchmark]: RCFGBuilder took 314.33 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:16,889 INFO L168 Benchmark]: Symbolic Interpretation took 2766.51 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 95.7 MB in the beginning and 180.1 MB in the end (delta: -84.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:16,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.15 ms. Allocated memory is still 138.9 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 314.33 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 95.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2766.51 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 95.7 MB in the beginning and 180.1 MB in the end (delta: -84.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...