java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/reducercommutativity/sum.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:53:29,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:53:29,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:53:29,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:53:29,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:53:29,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:53:29,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:53:29,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:53:29,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:53:29,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:53:29,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:53:29,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:53:29,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:53:29,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:53:29,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:53:29,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:53:29,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:53:29,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:53:29,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:53:29,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:53:29,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:53:29,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:53:29,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:53:29,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:53:29,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:53:29,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:53:29,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:53:29,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:53:29,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:53:29,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:53:29,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:53:29,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:53:29,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:53:29,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:53:29,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:53:29,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:53:29,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:53:29,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:53:29,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:53:29,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:53:29,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:53:29,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-04 12:53:29,931 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:53:29,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:53:29,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:53:29,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:53:29,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:53:29,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:53:29,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:53:29,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:53:29,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:53:29,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:53:29,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:53:29,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:53:29,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:53:29,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:53:29,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:53:29,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:53:29,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:53:29,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:53:29,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:53:29,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:53:29,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:53:29,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:53:29,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:53:29,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:53:29,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:53:29,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:53:29,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:53:29,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:53:29,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:53:29,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:53:30,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:53:30,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:53:30,010 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:53:30,011 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:53:30,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum.i [2019-10-04 12:53:30,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cd3f47d/0b7ce0544f854fe8b96a03bf9cc6a7de/FLAGce062ee75 [2019-10-04 12:53:30,579 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:53:30,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum.i [2019-10-04 12:53:30,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cd3f47d/0b7ce0544f854fe8b96a03bf9cc6a7de/FLAGce062ee75 [2019-10-04 12:53:30,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cd3f47d/0b7ce0544f854fe8b96a03bf9cc6a7de [2019-10-04 12:53:31,006 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:53:31,008 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:53:31,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:31,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:53:31,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:53:31,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:30" (1/1) ... [2019-10-04 12:53:31,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32777701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31, skipping insertion in model container [2019-10-04 12:53:31,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:30" (1/1) ... [2019-10-04 12:53:31,027 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:53:31,042 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:53:31,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:31,262 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:53:31,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:31,391 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:53:31,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31 WrapperNode [2019-10-04 12:53:31,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:31,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:53:31,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:53:31,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:53:31,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:53:31,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:53:31,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:53:31,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:53:31,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:31" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:53:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:53:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:53:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-10-04 12:53:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:53:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:53:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:53:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:53:31,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:53:31,900 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-04 12:53:31,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:31 BoogieIcfgContainer [2019-10-04 12:53:31,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:53:31,902 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:53:31,903 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:53:31,903 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:53:31,905 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:31" (1/1) ... [2019-10-04 12:53:31,906 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 12:53:31,936 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:53:31,937 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:53:31,947 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:53:31,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:53:31,960 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:53:32,145 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-04 12:53:32,793 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:53:32,793 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:53:32,796 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 89#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< (+ main_~i~1 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) (and (not (= main_~ret~1 main_~ret5~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< (+ main_~i~1 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))))))) [2019-10-04 12:53:32,811 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:53:32,811 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:53:32,814 INFO L168 Benchmark]: Toolchain (without parser) took 1805.74 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.7 MB in the beginning and 103.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,815 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.01 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 177.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,817 INFO L168 Benchmark]: Boogie Preprocessor took 42.36 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,818 INFO L168 Benchmark]: RCFGBuilder took 461.94 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 156.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,818 INFO L168 Benchmark]: Sifa took 909.23 ms. Allocated memory is still 200.3 MB. Free memory was 155.4 MB in the beginning and 103.9 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:32,822 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 383.01 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 177.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.36 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 461.94 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 156.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * Sifa took 909.23 ms. Allocated memory is still 200.3 MB. Free memory was 155.4 MB in the beginning and 103.9 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 860, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 236, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 223, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 463, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 101, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 30, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 135, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 95, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 56, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 334, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 333, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 324, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 324, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 39]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 89#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< (+ main_~i~1 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) (and (not (= main_~ret~1 main_~ret5~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< (+ main_~i~1 1) ~N~0))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...