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/2019ProgVerif-Sheet10Ex04.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:48:07,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:48:07,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:48:07,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:48:07,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:48:07,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:48:07,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:48:07,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:48:07,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:48:07,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:48:07,818 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:48:07,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:48:07,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:48:07,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:48:07,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:48:07,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:48:07,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:48:07,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:48:07,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:48:07,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:48:07,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:48:07,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:48:07,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:48:07,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:48:07,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:48:07,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:48:07,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:48:07,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:48:07,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:48:07,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:48:07,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:48:07,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:48:07,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:48:07,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:48:07,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:48:07,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:48:07,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:48:07,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:48:07,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:48:07,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:48:07,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:48:07,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:48:07,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:48:07,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:48:07,900 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:48:07,900 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:48:07,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet10Ex04.bpl [2019-08-05 11:48:07,901 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantChecking/showcase/2019ProgVerif-Sheet10Ex04.bpl' [2019-08-05 11:48:07,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:48:07,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:48:07,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:48:07,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:48:07,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:48:07,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (1/1) ... [2019-08-05 11:48:07,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:48:07,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:48:07,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:48:07,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:48:07,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:48:07" (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 11:48:08,032 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:48:08,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:48:08,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:48:08,091 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:48:08,234 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:48:08,234 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:48:08,235 INFO L202 PluginConnector]: Adding new model 2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:08 BoogieIcfgContainer [2019-08-05 11:48:08,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:48:08,236 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:48:08,236 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:48:08,236 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:48:08,238 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "2019ProgVerif-Sheet10Ex04.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:48:08" (1/1) ... [2019-08-05 11:48:08,250 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 11:48:08,253 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:48:08,259 INFO L160 IcfgInterpreter]: Initial procedures are [main] [2019-08-05 11:48:08,268 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:48:08,269 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-05 11:48:08,552 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2019-08-05 11:48:08,729 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2019-08-05 11:48:08,843 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2019-08-05 11:48:09,143 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-08-05 11:48:09,299 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-08-05 11:48:09,577 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-08-05 11:48:09,768 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-08-05 11:48:10,213 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-08-05 11:48:10,360 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-08-05 11:48:10,503 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-08-05 11:48:10,691 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-08-05 11:48:11,109 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-08-05 11:48:11,175 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:48:11,176 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:48:11,180 INFO L178 IcfgInterpreter]: Location mainErr1ENSURES_VIOLATIONPOST_CONDITION has predicate 51#false [2019-08-05 11:48:11,181 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 57#false [2019-08-05 11:48:11,183 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:48:11,186 INFO L168 Benchmark]: Toolchain (without parser) took 3251.59 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 110.6 MB in the beginning and 178.6 MB in the end (delta: -68.1 MB). Peak memory consumption was 89.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:11,186 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:48:11,188 INFO L168 Benchmark]: Boogie Preprocessor took 37.65 ms. Allocated memory is still 141.0 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. [2019-08-05 11:48:11,189 INFO L168 Benchmark]: RCFGBuilder took 263.47 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:11,190 INFO L168 Benchmark]: Symbolic Interpretation took 2947.62 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 178.6 MB in the end (delta: -80.0 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:48:11,194 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.65 ms. Allocated memory is still 141.0 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 263.47 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 98.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2947.62 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 98.6 MB in the beginning and 178.6 MB in the end (delta: -80.0 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...