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/max.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:53:12,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:53:12,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:53:12,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:53:12,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:53:12,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:53:12,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:53:12,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:53:12,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:53:12,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:53:12,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:53:12,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:53:12,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:53:12,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:53:12,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:53:12,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:53:12,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:53:12,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:53:12,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:53:12,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:53:12,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:53:12,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:53:12,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:53:12,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:53:12,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:53:12,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:53:12,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:53:12,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:53:12,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:53:12,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:53:12,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:53:12,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:53:12,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:53:12,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:53:12,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:53:12,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:53:12,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:53:12,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:53:12,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:53:12,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:53:12,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:53:12,215 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 12:53:12,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:53:12,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:53:12,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:53:12,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:53:12,243 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:53:12,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:53:12,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:53:12,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:53:12,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:53:12,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:53:12,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:53:12,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:53:12,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:53:12,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:53:12,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:53:12,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:53:12,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:53:12,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:53:12,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:53:12,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:53:12,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:53:12,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:53:12,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:53:12,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:53:12,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:53:12,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:53:12,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:53:12,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:53:12,250 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 12:53:12,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:53:12,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:53:12,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:53:12,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:53:12,326 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:53:12,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max.i [2019-10-04 12:53:12,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d915e8f4/4e601fbffdcd49a986ca53e1c8b741e0/FLAG7693b9801 [2019-10-04 12:53:12,866 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:53:12,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max.i [2019-10-04 12:53:12,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d915e8f4/4e601fbffdcd49a986ca53e1c8b741e0/FLAG7693b9801 [2019-10-04 12:53:13,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d915e8f4/4e601fbffdcd49a986ca53e1c8b741e0 [2019-10-04 12:53:13,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:53:13,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:53:13,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:13,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:53:13,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:53:13,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774ea263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13, skipping insertion in model container [2019-10-04 12:53:13,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:53:13,293 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:53:13,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:13,503 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:53:13,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:13,636 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:53:13,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13 WrapperNode [2019-10-04 12:53:13,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:13,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:53:13,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:53:13,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:53:13,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (1/1) ... [2019-10-04 12:53:13,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:53:13,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:53:13,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:53:13,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:53:13,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:13" (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 12:53:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:53:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:53:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2019-10-04 12:53:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure max [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:53:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:53:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:53:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:53:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:53:14,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:53:14,176 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-04 12:53:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:14 BoogieIcfgContainer [2019-10-04 12:53:14,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:53:14,179 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:53:14,179 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:53:14,179 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:53:14,180 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:14" (1/1) ... [2019-10-04 12:53:14,181 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 12:53:14,209 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:53:14,209 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:53:14,220 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:53:14,229 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:53:14,230 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:53:14,410 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-04 12:53:15,052 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:53:15,052 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:53:15,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 93#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= 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_max_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) (and (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= 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_max_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))))) (not (= main_~ret~1 main_~ret5~0)))) [2019-10-04 12:53:15,070 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:53:15,070 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:53:15,072 INFO L168 Benchmark]: Toolchain (without parser) took 1821.14 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 103.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,073 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.82 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 178.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,075 INFO L168 Benchmark]: Boogie Preprocessor took 56.84 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 174.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,076 INFO L168 Benchmark]: RCFGBuilder took 483.65 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 153.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,077 INFO L168 Benchmark]: Sifa took 891.74 ms. Allocated memory is still 199.2 MB. Free memory was 153.0 MB in the beginning and 103.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:15,080 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 139.5 MB. Free memory was 104.4 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 384.82 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 178.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.84 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 174.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 483.65 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 153.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Sifa took 891.74 ms. Allocated memory is still 199.2 MB. Free memory was 153.0 MB in the beginning and 103.0 MB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 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]: 846, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 264, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 227, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 40, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 500, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 108, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 30, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 120, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 60, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 51, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 322, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 318, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 289, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 288, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 17, 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 93#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= 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_max_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) (and (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= 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_max_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))))) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...