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/Backtranslation/regression/bpl/While.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:25:16,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:25:16,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:25:16,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:25:16,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:25:16,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:25:16,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:25:16,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:25:16,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:25:16,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:25:16,836 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:25:16,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:25:16,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:25:16,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:25:16,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:25:16,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:25:16,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:25:16,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:25:16,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:25:16,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:25:16,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:25:16,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:25:16,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:25:16,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:25:16,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:25:16,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:25:16,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:25:16,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:25:16,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:25:16,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:25:16,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:25:16,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:25:16,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:25:16,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:25:16,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:25:16,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:25:16,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:25:16,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:25:16,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:25:16,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:25:16,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:25:16,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:25:16,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:25:16,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:25:16,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:25:16,947 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:25:16,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/While.bpl [2019-08-05 11:25:16,948 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Backtranslation/regression/bpl/While.bpl' [2019-08-05 11:25:16,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:25:16,979 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:25:16,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:25:16,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:25:16,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:25:17,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (1/1) ... [2019-08-05 11:25:17,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:25:17,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:25:17,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:25:17,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:25:17,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "While.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:25:16" (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 11:25:17,113 INFO L124 BoogieDeclarations]: Specification and implementation of procedure test given in one single declaration [2019-08-05 11:25:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-08-05 11:25:17,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-08-05 11:25:17,180 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:25:17,487 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:25:17,488 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:25:17,490 INFO L202 PluginConnector]: Adding new model While.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17 BoogieIcfgContainer [2019-08-05 11:25:17,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:25:17,490 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:25:17,490 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:25:17,491 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:25:17,493 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "While.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:25:17" (1/1) ... [2019-08-05 11:25:17,507 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:25:17,510 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:25:17,517 INFO L160 IcfgInterpreter]: Initial procedures are [test] [2019-08-05 11:25:17,526 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:25:17,528 INFO L184 IcfgInterpreter]: Interpreting procedure test with input of size 1 [2019-08-05 11:25:17,731 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2019-08-05 11:25:17,972 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2019-08-05 11:25:18,155 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2019-08-05 11:25:18,332 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-05 11:25:18,370 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:25:18,370 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:25:18,375 INFO L178 IcfgInterpreter]: Location testErr0ASSERT_VIOLATIONASSERT has predicate 32#(exists ((v_test_a_23 Int) (v_test_r_26 Int)) (and (= test_r (* 2 v_test_r_26)) (= test_a (+ (* (- 3) v_test_a_23) (- 1))) (not (< v_test_a_23 100)) (exists ((v_test_a_22 Int) (v_test_r_25 Int)) (and (or (and (= (+ v_test_r_25 1) v_test_r_26) (not (= 0 (mod v_test_a_22 2)))) (and (= (+ v_test_r_25 2) v_test_r_26) (= 0 (mod v_test_a_22 2)))) (< v_test_a_22 100) (or (and (= (+ (* 2 test_ain) 1) v_test_a_22) (= 1 v_test_r_25) (= test_ain 51)) (and (= test_ain v_test_a_22) (= test_ain 51) (= 0 v_test_r_25))) (= v_test_a_23 (+ (* 2 v_test_a_22) 1)))))) [2019-08-05 11:25:18,383 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:25:18,385 INFO L168 Benchmark]: Toolchain (without parser) took 1406.51 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 72.1 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,386 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:25:18,388 INFO L168 Benchmark]: Boogie Preprocessor took 60.58 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,389 INFO L168 Benchmark]: RCFGBuilder took 449.63 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 95.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,390 INFO L168 Benchmark]: Symbolic Interpretation took 893.14 ms. Allocated memory is still 132.6 MB. Free memory was 95.3 MB in the beginning and 72.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:25:18,395 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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 0.21 ms. Allocated memory is still 132.6 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.58 ms. Allocated memory is still 132.6 MB. Free memory was 108.9 MB in the beginning and 106.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 449.63 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 95.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 893.14 ms. Allocated memory is still 132.6 MB. Free memory was 95.3 MB in the beginning and 72.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...