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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/array-crafted/xor5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:19:23,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:19:23,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:19:23,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:19:23,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:19:23,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:19:23,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:19:23,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:19:23,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:19:23,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:19:23,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:19:23,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:19:23,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:19:23,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:19:23,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:19:23,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:19:23,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:19:23,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:19:23,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:19:23,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:19:23,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:19:23,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:19:23,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:19:23,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:19:23,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:19:23,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:19:23,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:19:23,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:19:23,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:19:23,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:19:23,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:19:23,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:19:23,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:19:23,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:19:23,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:19:23,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:19:23,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:19:23,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:19:23,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:19:23,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:19:23,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:19:23,762 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 [2019-09-25 16:19:23,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:19:23,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:19:23,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:19:23,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:19:23,789 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:19:23,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:19:23,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:19:23,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:19:23,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:19:23,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:19:23,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:19:23,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:19:23,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:19:23,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:19:23,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:19:23,792 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:19:23,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:19:23,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:19:23,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:19:23,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:19:23,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:19:23,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:19:23,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:19:23,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:19:23,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:19:23,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:19:23,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:19:23,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:19:23,795 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:19:23,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:19:23,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:19:23,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:19:23,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:19:23,850 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:19:23,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor5.i [2019-09-25 16:19:23,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fafa23a5/cb2f7eb8451e49d5adec5422a1b1fb7d/FLAG7391f12e0 [2019-09-25 16:19:24,376 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:19:24,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor5.i [2019-09-25 16:19:24,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fafa23a5/cb2f7eb8451e49d5adec5422a1b1fb7d/FLAG7391f12e0 [2019-09-25 16:19:24,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fafa23a5/cb2f7eb8451e49d5adec5422a1b1fb7d [2019-09-25 16:19:24,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:19:24,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:19:24,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:19:24,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:19:24,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:19:24,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:19:24" (1/1) ... [2019-09-25 16:19:24,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2a3789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:24, skipping insertion in model container [2019-09-25 16:19:24,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:19:24" (1/1) ... [2019-09-25 16:19:24,807 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:19:24,826 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:19:25,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:19:25,022 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:19:25,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:19:25,087 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:19:25,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25 WrapperNode [2019-09-25 16:19:25,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:19:25,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:19:25,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:19:25,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:19:25,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:19:25,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:19:25,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:19:25,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:19:25,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:25" (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 [2019-09-25 16:19:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:19:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:19:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-09-25 16:19:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:19:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:19:25,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:19:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:19:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:19:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:19:25,685 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:19:25,685 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-25 16:19:25,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:19:25 BoogieIcfgContainer [2019-09-25 16:19:25,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:19:25,687 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:19:25,687 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:19:25,688 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:19:25,689 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:19:25" (1/1) ... [2019-09-25 16:19:25,689 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 [2019-09-25 16:19:25,710 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:19:25,710 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:19:25,718 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:19:25,725 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:19:25,726 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:19:25,903 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-25 16:19:26,945 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:19:26,946 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:19:26,948 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 116#(or (and (not (= main_~ret~0 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647)) (not (< (+ main_~i~2 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~2 1) ~N~0)))))) (and (exists ((v_prenex_15 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647)) (not (< (+ main_~i~2 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~2 1) ~N~0))))) (not (= main_~ret~0 main_~ret5~0)))) [2019-09-25 16:19:26,964 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:19:26,965 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:19:26,973 INFO L168 Benchmark]: Toolchain (without parser) took 2175.83 ms. Allocated memory was 137.9 MB in the beginning and 208.1 MB in the end (delta: 70.3 MB). Free memory was 85.2 MB in the beginning and 82.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,974 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.60 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 84.9 MB in the beginning and 150.7 MB in the end (delta: -65.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,976 INFO L168 Benchmark]: Boogie Preprocessor took 131.50 ms. Allocated memory was 180.4 MB in the beginning and 208.1 MB in the end (delta: 27.8 MB). Free memory was 150.7 MB in the beginning and 191.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,980 INFO L168 Benchmark]: RCFGBuilder took 466.79 ms. Allocated memory is still 208.1 MB. Free memory was 191.1 MB in the beginning and 170.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,986 INFO L168 Benchmark]: Sifa took 1277.53 ms. Allocated memory is still 208.1 MB. Free memory was 170.0 MB in the beginning and 82.5 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:26,990 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.60 ms. Allocated memory was 137.9 MB in the beginning and 180.4 MB in the end (delta: 42.5 MB). Free memory was 84.9 MB in the beginning and 150.7 MB in the end (delta: -65.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.50 ms. Allocated memory was 180.4 MB in the beginning and 208.1 MB in the end (delta: 27.8 MB). Free memory was 150.7 MB in the beginning and 191.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 466.79 ms. Allocated memory is still 208.1 MB. Free memory was 191.1 MB in the beginning and 170.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Sifa took 1277.53 ms. Allocated memory is still 208.1 MB. Free memory was 170.0 MB in the beginning and 82.5 MB in the end (delta: 87.4 MB). Peak memory consumption was 87.4 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]: 1238, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 772, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 796, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 349, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 110, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 176, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 61, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 882, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 881, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 269, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 269, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 38 - UnprovableResult [Line: 46]: 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 116#(or (and (not (= main_~ret~0 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647)) (not (< (+ main_~i~2 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~2 1) ~N~0)))))) (and (exists ((v_prenex_15 Int) (v_xor_~res~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (<= (mod v_xor_~res~0_BEFORE_RETURN_3 4294967296) 2147483647)) (not (< (+ main_~i~2 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~2 1) ~N~0))))) (not (= main_~ret~0 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...