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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-crafted/xor5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:55:08,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:55:08,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:55:08,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:55:08,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:55:08,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:55:08,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:55:08,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:55:08,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:55:08,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:55:08,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:55:08,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:55:08,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:55:08,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:55:08,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:55:08,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:55:08,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:55:08,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:55:08,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:55:08,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:55:08,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:55:08,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:55:08,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:55:08,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:55:08,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 21:55:08,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 21:55:08,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 21:55:08,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 21:55:08,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 21:55:08,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 21:55:08,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:55:08,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:55:08,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:55:08,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:55:08,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:55:08,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:55:08,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:55:08,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:55:08,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:55:08,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:55:08,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:55:08,915 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 [2019-09-19 21:55:08,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:55:08,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:55:08,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:55:08,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:55:08,931 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:55:08,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:55:08,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:55:08,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:55:08,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:55:08,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:55:08,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:55:08,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:55:08,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:55:08,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:55:08,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:55:08,933 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:55:08,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:55:08,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:55:08,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:55:08,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:55:08,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:55:08,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:55:08,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:55:08,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:55:08,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:55:08,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:55:08,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:55:08,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:55:08,936 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 21:55:08,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:55:08,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:55:08,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:55:08,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:55:08,985 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:55:08,985 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/xor5.i [2019-09-19 21:55:09,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88f99c2c/60b9096feef34934b219231c22f5daf5/FLAG407f021a7 [2019-09-19 21:55:09,490 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:55:09,492 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/xor5.i [2019-09-19 21:55:09,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88f99c2c/60b9096feef34934b219231c22f5daf5/FLAG407f021a7 [2019-09-19 21:55:09,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c88f99c2c/60b9096feef34934b219231c22f5daf5 [2019-09-19 21:55:09,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:55:09,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:55:09,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:55:09,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:55:09,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:55:09,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:55:09" (1/1) ... [2019-09-19 21:55:09,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e441970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:09, skipping insertion in model container [2019-09-19 21:55:09,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:55:09" (1/1) ... [2019-09-19 21:55:09,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:55:09,925 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:55:10,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:55:10,136 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:55:10,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:55:10,258 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:55:10,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10 WrapperNode [2019-09-19 21:55:10,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:55:10,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:55:10,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:55:10,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:55:10,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:55:10,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:55:10,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:55:10,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:55:10,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:55:10" (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 [2019-09-19 21:55:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:55:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:55:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure xor [2019-09-19 21:55:10,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure xor [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 21:55:10,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 21:55:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 21:55:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:55:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:55:10,774 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:55:10,774 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-19 21:55:10,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:55:10 BoogieIcfgContainer [2019-09-19 21:55:10,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:55:10,776 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:55:10,776 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:55:10,776 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:55:10,777 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:55:10" (1/1) ... [2019-09-19 21:55:10,778 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 21:55:10,805 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 21:55:10,806 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:55:10,818 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:55:10,829 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:55:10,831 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:55:11,001 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-19 21:55:11,180 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2019-09-19 21:55:13,079 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 83 [2019-09-19 21:55:13,977 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-19 21:55:14,824 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 114 [2019-09-19 21:55:19,230 WARN L191 SmtUtils]: Spent 4.37 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-19 21:55:19,348 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 21:55:19,348 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 21:55:19,351 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)))) [2019-09-19 21:55:19,362 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 21:55:19,363 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 21:55:19,364 INFO L168 Benchmark]: Toolchain (without parser) took 9474.12 ms. Allocated memory was 133.2 MB in the beginning and 260.0 MB in the end (delta: 126.9 MB). Free memory was 87.6 MB in the beginning and 212.6 MB in the end (delta: -125.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,365 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.60 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.4 MB in the beginning and 178.2 MB in the end (delta: -90.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,366 INFO L168 Benchmark]: Boogie Preprocessor took 63.90 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,368 INFO L168 Benchmark]: RCFGBuilder took 451.17 ms. Allocated memory is still 200.8 MB. Free memory was 175.3 MB in the beginning and 154.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,369 INFO L168 Benchmark]: Sifa took 8586.63 ms. Allocated memory was 200.8 MB in the beginning and 260.0 MB in the end (delta: 59.2 MB). Free memory was 154.6 MB in the beginning and 212.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-19 21:55:19,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.60 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 87.4 MB in the beginning and 178.2 MB in the end (delta: -90.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.90 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 451.17 ms. Allocated memory is still 200.8 MB. Free memory was 175.3 MB in the beginning and 154.6 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Sifa took 8586.63 ms. Allocated memory was 200.8 MB in the beginning and 260.0 MB in the end (delta: 59.2 MB). Free memory was 154.6 MB in the beginning and 212.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 1.2 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]: 8546, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 29, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 1484, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 1513, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 753, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 38, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 306, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 6592, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8069, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8069, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 391, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 390, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, 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...