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/20170304-DifficultPathPrograms/sum04.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:58:23,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:58:23,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:58:23,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:58:23,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:58:23,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:58:23,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:58:23,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:58:23,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:58:23,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:58:23,806 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:58:23,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:58:23,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:58:23,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:58:23,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:58:23,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:58:23,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:58:23,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:58:23,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:58:23,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:58:23,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:58:23,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:58:23,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:58:23,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:58:23,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:58:23,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:58:23,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:58:23,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:58:23,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:58:23,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:58:23,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:58:23,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:58:23,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:58:23,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:58:23,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:58:23,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:58:23,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:58:23,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:58:23,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:58:23,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:58:23,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:58:23,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:58:23,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:58:23,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:58:23,883 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:58:23,884 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:58:23,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_4.bpl [2019-08-04 21:58:23,885 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_4.bpl' [2019-08-04 21:58:23,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:58:23,921 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:58:23,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:58:23,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:58:23,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:58:23,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (1/1) ... [2019-08-04 21:58:23,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:58:23,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:58:23,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:58:23,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:58:23,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:58:23" (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 [2019-08-04 21:58:24,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:58:24,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:58:24,294 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-04 21:58:24,324 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:58:24,325 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:58:24,326 INFO L202 PluginConnector]: Adding new model sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:24 BoogieIcfgContainer [2019-08-04 21:58:24,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:58:24,327 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:58:24,327 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:58:24,327 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:58:24,329 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "sum04.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:58:24" (1/1) ... [2019-08-04 21:58:24,340 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:58:24,344 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:58:24,358 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:58:24,367 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:58:24,369 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:58:24,529 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2019-08-04 21:58:24,685 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2019-08-04 21:58:25,205 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-08-04 21:58:26,350 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 84 [2019-08-04 21:58:26,582 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2019-08-04 21:58:26,597 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:58:26,597 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:58:26,600 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 76#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start_main_~i~4 9) (not (<= ULTIMATE.start_main_~i~4 8)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (or (= ULTIMATE.start_main_~sn~4 0) (= ULTIMATE.start_main_~sn~4 16)) 1 0))) [2019-08-04 21:58:26,607 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:58:26,610 INFO L168 Benchmark]: Toolchain (without parser) took 2688.50 ms. Allocated memory is still 131.6 MB. Free memory was 107.5 MB in the beginning and 61.4 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:26,611 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-04 21:58:26,612 INFO L168 Benchmark]: Boogie Preprocessor took 41.45 ms. Allocated memory is still 131.6 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:26,613 INFO L168 Benchmark]: RCFGBuilder took 362.83 ms. Allocated memory is still 131.6 MB. Free memory was 105.3 MB in the beginning and 94.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:26,614 INFO L168 Benchmark]: Symbolic Interpretation took 2281.05 ms. Allocated memory is still 131.6 MB. Free memory was 94.9 MB in the beginning and 61.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:58:26,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 131.6 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.45 ms. Allocated memory is still 131.6 MB. Free memory was 107.5 MB in the beginning and 105.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 362.83 ms. Allocated memory is still 131.6 MB. Free memory was 105.3 MB in the beginning and 94.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2281.05 ms. Allocated memory is still 131.6 MB. Free memory was 94.9 MB in the beginning and 61.6 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...