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/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:44:17,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:44:17,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:44:17,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:44:17,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:44:17,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:44:17,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:44:17,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:44:17,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:44:17,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:44:17,997 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:44:17,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:44:17,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:44:17,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:44:18,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:44:18,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:44:18,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:44:18,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:44:18,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:44:18,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:44:18,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:44:18,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:44:18,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:44:18,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:44:18,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:44:18,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:44:18,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:44:18,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:44:18,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:44:18,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:44:18,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:44:18,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:44:18,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:44:18,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:44:18,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:44:18,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:44:18,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:44:18,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:44:18,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:44:18,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:44:18,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:44:18,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:44:18,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:44:18,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:44:18,102 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:44:18,103 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:44:18,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl [2019-08-05 11:44:18,104 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call1.i_4.bpl' [2019-08-05 11:44:18,142 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:44:18,143 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:44:18,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:44:18,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:44:18,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:44:18,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:44:18,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:44:18,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:44:18,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:44:18,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:18" (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 11:44:18,245 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:44:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:44:18,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:44:18,465 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 11:44:18,467 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:44:18,467 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:44:18,469 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:18 BoogieIcfgContainer [2019-08-05 11:44:18,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:44:18,469 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:44:18,469 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:44:18,470 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:44:18,472 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_true-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:18" (1/1) ... [2019-08-05 11:44:18,483 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:44:18,486 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:44:18,493 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:44:18,501 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:44:18,503 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:44:18,786 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 6 [2019-08-05 11:44:19,210 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 12 [2019-08-05 11:44:19,414 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 11:44:19,709 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2019-08-05 11:44:20,537 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2019-08-05 11:44:20,578 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:44:20,578 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:44:20,582 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 104#(and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 10)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (= (ite (<= (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) 2147483647) (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (+ (mod (ite (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (+ (mod ULTIMATE.start_main_~x~0 2) (- 2)) (mod ULTIMATE.start_main_~x~0 2)) 4294967296) (- 4294967296))) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (< (mod (+ ULTIMATE.start_main_~y~0 4294967295) 4294967296) 10)) [2019-08-05 11:44:20,589 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:44:20,592 INFO L168 Benchmark]: Toolchain (without parser) took 2448.08 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 109.1 MB in the beginning and 128.5 MB in the end (delta: -19.4 MB). Peak memory consumption was 54.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:20,593 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:44:20,593 INFO L168 Benchmark]: Boogie Preprocessor took 42.54 ms. Allocated memory is still 133.2 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:20,594 INFO L168 Benchmark]: RCFGBuilder took 282.32 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 97.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:20,596 INFO L168 Benchmark]: Symbolic Interpretation took 2120.41 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 97.0 MB in the beginning and 128.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:20,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 35]: 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 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.54 ms. Allocated memory is still 133.2 MB. Free memory was 109.1 MB in the beginning and 107.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.32 ms. Allocated memory is still 133.2 MB. Free memory was 107.0 MB in the beginning and 97.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2120.41 ms. Allocated memory was 133.2 MB in the beginning and 170.4 MB in the end (delta: 37.2 MB). Free memory was 97.0 MB in the beginning and 128.5 MB in the end (delta: -31.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...