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-b03553c [2019-08-05 18:11:23,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:11:23,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:11:23,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:11:23,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:11:23,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:11:23,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:11:23,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:11:23,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:11:23,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:11:23,735 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:11:23,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:11:23,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:11:23,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:11:23,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:11:23,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:11:23,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:11:23,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:11:23,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:11:23,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:11:23,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:11:23,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:11:23,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:11:23,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:11:23,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 18:11:23,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:11:23,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:11:23,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:11:23,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:11:23,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:11:23,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:11:23,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:11:23,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:11:23,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:11:23,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:11:23,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:11:23,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:11:23,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:11:23,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:11:23,833 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:11:23,834 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:11:23,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_false-unreach-call1.i_4.bpl [2019-08-05 18:11:23,836 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_false-unreach-call1.i_4.bpl' [2019-08-05 18:11:23,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:11:23,876 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:11:23,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:11:23,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:11:23,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:11:23,901 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,903 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,910 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,911 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,915 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,917 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,918 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 06:11:23" (1/1) ... [2019-08-05 18:11:23,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:11:23,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:11:23,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:11:23,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:11:23,923 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 06:11:23" (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 [2019-08-05 18:11:23,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:11:23,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:11:23,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:11:24,223 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2019-08-05 18:11:24,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:11:24,226 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 18:11:24,227 INFO L202 PluginConnector]: Adding new model nested_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:11:24 BoogieIcfgContainer [2019-08-05 18:11:24,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:11:24,228 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:11:24,228 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:11:24,228 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:11:24,229 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 06:11:24" (1/1) ... [2019-08-05 18:11:24,240 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 18:11:24,243 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:11:24,249 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:11:24,257 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:11:24,258 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:11:24,352 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:11:24,352 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:11:24,355 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 68#(and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 268435455)) (or (and (< (mod ULTIMATE.start_main_~x~0 4294967296) 0) (not (= 0 (mod ULTIMATE.start_main_~x~0 2)))) (= 0 (mod ULTIMATE.start_main_~x~0 2)) (not (< (mod ULTIMATE.start_main_~x~0 4294967296) 0))) (= |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) (or (and (or (< (mod (+ ULTIMATE.start_main_~y~0 4294967295) 4294967296) 10) (and (< (mod (+ ULTIMATE.start_main_~x~0 4294967295) 4294967296) 268435455) (= ULTIMATE.start_main_~y~0 0) (exists ((v_ULTIMATE.start_main_~y~0_13 Int)) (not (< (mod v_ULTIMATE.start_main_~y~0_13 4294967296) 10))))) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) 10))) (and (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~y~0 0)))) [2019-08-05 18:11:24,357 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:11:24,363 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:11:24,365 INFO L168 Benchmark]: Toolchain (without parser) took 488.65 ms. Allocated memory is still 133.2 MB. Free memory was 108.3 MB in the beginning and 90.1 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:24,366 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 18:11:24,368 INFO L168 Benchmark]: Boogie Preprocessor took 43.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.9 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:24,369 INFO L168 Benchmark]: RCFGBuilder took 306.31 ms. Allocated memory is still 133.2 MB. Free memory was 105.8 MB in the beginning and 96.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:24,370 INFO L168 Benchmark]: Symbolic Interpretation took 135.74 ms. Allocated memory is still 133.2 MB. Free memory was 96.4 MB in the beginning and 90.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:11:24,374 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 0.23 ms. Allocated memory is still 133.2 MB. Free memory is still 109.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.66 ms. Allocated memory is still 133.2 MB. Free memory was 107.9 MB in the beginning and 105.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.31 ms. Allocated memory is still 133.2 MB. Free memory was 105.8 MB in the beginning and 96.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 135.74 ms. Allocated memory is still 133.2 MB. Free memory was 96.4 MB in the beginning and 90.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...