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_false-unreach-call1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:44:11,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:44:11,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:44:11,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:44:11,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:44:11,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:44:11,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:44:11,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:44:11,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:44:11,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:44:11,888 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:44:11,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:44:11,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:44:11,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:44:11,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:44:11,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:44:11,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:44:11,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:44:11,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:44:11,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:44:11,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:44:11,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:44:11,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:44:11,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:44:11,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:44:11,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:44:11,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:44:11,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:44:11,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:44:11,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:44:11,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:44:11,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:44:11,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:44:11,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:44:11,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:44:11,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:44:11,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:44:11,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:44:11,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:44:11,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:44:11,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:44:11,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:44:11,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:44:11,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:44:11,956 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:44:11,956 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:44:11,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_false-unreach-call1.i_4.bpl [2019-08-05 11:44:11,957 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_false-unreach-call1.i_4.bpl' [2019-08-05 11:44:11,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:44:11,990 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:44:11,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:44:11,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:44:11,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:44:12,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (1/1) ... [2019-08-05 11:44:12,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:44:12,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:44:12,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:44:12,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:44:12,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:11" (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 11:44:12,094 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:44:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:44:12,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:44:12,361 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 11:44:12,363 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:44:12,363 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:44:12,364 INFO L202 PluginConnector]: Adding new model nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:12 BoogieIcfgContainer [2019-08-05 11:44:12,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:44:12,365 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:44:12,365 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:44:12,365 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:44:12,367 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,377 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:44:12,382 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:44:12,395 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:44:12,404 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:44:12,405 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:44:13,143 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2019-08-05 11:44:14,100 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-08-05 11:44:14,175 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:44:14,175 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:44:14,178 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) (= (ite (= 0 (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)) 1 0) |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (< (mod (+ ULTIMATE.start_main_~y~0 4294967295) 4294967296) 10)) [2019-08-05 11:44:14,185 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:44:14,188 INFO L168 Benchmark]: Toolchain (without parser) took 2196.82 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 108.8 MB in the beginning and 128.6 MB in the end (delta: -19.8 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:14,189 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:44:14,190 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 141.6 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:14,191 INFO L168 Benchmark]: RCFGBuilder took 335.09 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 96.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:14,193 INFO L168 Benchmark]: Symbolic Interpretation took 1820.77 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 96.9 MB in the beginning and 128.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:14,197 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 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.13 ms. Allocated memory is still 141.6 MB. Free memory was 108.6 MB in the beginning and 106.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 335.09 ms. Allocated memory is still 141.6 MB. Free memory was 106.5 MB in the beginning and 96.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1820.77 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 96.9 MB in the beginning and 128.6 MB in the end (delta: -31.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...