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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/array-crafted/xor5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:06:43,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:06:43,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:06:43,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:06:43,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:06:43,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:06:43,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:06:43,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:06:43,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:06:43,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:06:43,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:06:43,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:06:43,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:06:43,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:06:43,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:06:43,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:06:43,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:06:43,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:06:43,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:06:43,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:06:43,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:06:43,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:06:43,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:06:43,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:06:43,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:06:43,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:06:43,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:06:43,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:06:43,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:06:43,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:06:43,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:06:43,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:06:43,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:06:43,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:06:43,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:06:43,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:06:43,865 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 [2019-09-17 02:06:43,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:06:43,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:06:43,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:06:43,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:06:43,895 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:06:43,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:06:43,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:06:43,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:06:43,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:06:43,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:06:43,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:06:43,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:06:43,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:06:43,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:06:43,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:06:43,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:06:43,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:06:43,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:06:43,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:06:43,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:06:43,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:06:43,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:06:43,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:06:43,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:06:43,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:06:43,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:06:43,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:06:43,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:06:43,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-17 02:06:43,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:06:43,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:06:43,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:06:43,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:06:43,985 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:06:43,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor5.i [2019-09-17 02:06:44,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e21cb5e7/71955b079a0d46839f8bb8ee31ea2ceb/FLAG0a58be2d5 [2019-09-17 02:06:44,491 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:06:44,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor5.i [2019-09-17 02:06:44,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e21cb5e7/71955b079a0d46839f8bb8ee31ea2ceb/FLAG0a58be2d5 [2019-09-17 02:06:44,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e21cb5e7/71955b079a0d46839f8bb8ee31ea2ceb [2019-09-17 02:06:44,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:06:44,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:06:44,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:44,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:06:44,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:06:44,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:44" (1/1) ... [2019-09-17 02:06:44,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488b23e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:44, skipping insertion in model container [2019-09-17 02:06:44,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:44" (1/1) ... [2019-09-17 02:06:44,916 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:06:44,938 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:06:45,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:45,161 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:06:45,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:45,292 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:06:45,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45 WrapperNode [2019-09-17 02:06:45,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:45,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:06:45,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:06:45,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:06:45,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:06:45,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:06:45,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:06:45,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:06:45,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:45" (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 [2019-09-17 02:06:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:06:45,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:06:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-09-17 02:06:45,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:06:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:06:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:06:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-09-17 02:06:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:06:45,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:06:45,810 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:06:45,810 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 02:06:45,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:45 BoogieIcfgContainer [2019-09-17 02:06:45,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:06:45,812 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:06:45,812 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:06:45,812 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:06:45,814 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:45" (1/1) ... [2019-09-17 02:06:45,814 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:06:45,834 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:06:45,834 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:06:45,841 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:06:45,848 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:06:45,850 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:06:45,947 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-17 02:06:46,738 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:06:46,738 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:06:46,740 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 77#(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))))) (or (not (= main_~ret~0 main_~ret2~0)) (not (= main_~ret~0 main_~ret5~0)))) [2019-09-17 02:06:46,756 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:06:46,756 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:06:46,759 INFO L168 Benchmark]: Toolchain (without parser) took 1861.44 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.8 MB in the beginning and 87.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,760 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.81 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 176.4 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,762 INFO L168 Benchmark]: Boogie Preprocessor took 39.54 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 173.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,763 INFO L168 Benchmark]: RCFGBuilder took 478.61 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 152.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,763 INFO L168 Benchmark]: Sifa took 944.69 ms. Allocated memory is still 198.2 MB. Free memory was 152.9 MB in the beginning and 87.3 MB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:46,767 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 392.81 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 176.4 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.54 ms. Allocated memory is still 198.2 MB. Free memory was 176.4 MB in the beginning and 173.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 478.61 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 152.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Sifa took 944.69 ms. Allocated memory is still 198.2 MB. Free memory was 152.9 MB in the beginning and 87.3 MB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 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]: 907, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 707, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 740, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 290, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 5, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 56, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 623, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 622, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 75, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 75, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, 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 77#(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))))) (or (not (= main_~ret~0 main_~ret2~0)) (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...