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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:25:51,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:25:51,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:25:51,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:25:51,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:25:51,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:25:51,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:25:51,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:25:51,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:25:51,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:25:51,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:25:51,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:25:51,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:25:51,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:25:51,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:25:51,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:25:51,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:25:51,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:25:51,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:25:51,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:25:51,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:25:51,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:25:51,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:25:51,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:25:51,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:25:51,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:25:51,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:25:51,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:25:51,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:25:51,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:25:51,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:25:51,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:25:51,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:25:51,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:25:51,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:25:51,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:25:51,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:25:51,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:25:51,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:25:51,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:25:51,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:25:51,492 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 [2019-09-20 18:25:51,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:25:51,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:25:51,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:25:51,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:25:51,507 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:25:51,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:25:51,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:25:51,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:25:51,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:25:51,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:25:51,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:25:51,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:25:51,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:25:51,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:25:51,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:25:51,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:25:51,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:25:51,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:25:51,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:25:51,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:25:51,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:25:51,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:25:51,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:25:51,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:25:51,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:25:51,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:25:51,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:25:51,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:25:51,515 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 -> SequenceOfStatements 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 -> SIMPLIFY_DDA [2019-09-20 18:25:51,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:25:51,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:25:51,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:25:51,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:25:51,584 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:25:51,585 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 18:25:51,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5d09a18/ec3c1e6e38784bbfa5a4b918bca74a32/FLAG4138022f2 [2019-09-20 18:25:52,078 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:25:52,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 18:25:52,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5d09a18/ec3c1e6e38784bbfa5a4b918bca74a32/FLAG4138022f2 [2019-09-20 18:25:52,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f5d09a18/ec3c1e6e38784bbfa5a4b918bca74a32 [2019-09-20 18:25:52,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:25:52,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:25:52,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:25:52,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:25:52,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:25:52,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a6592a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52, skipping insertion in model container [2019-09-20 18:25:52,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,518 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:25:52,533 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:25:52,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:25:52,734 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:25:52,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:25:52,767 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:25:52,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52 WrapperNode [2019-09-20 18:25:52,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:25:52,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:25:52,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:25:52,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:25:52,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (1/1) ... [2019-09-20 18:25:52,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:25:52,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:25:52,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:25:52,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:25:52,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:25:52" (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 [2019-09-20 18:25:52,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:25:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:25:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-20 18:25:52,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:25:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:25:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:25:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:25:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:25:52,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:25:53,258 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:25:53,258 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 18:25:53,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:25:53 BoogieIcfgContainer [2019-09-20 18:25:53,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:25:53,260 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:25:53,260 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:25:53,260 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:25:53,261 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:25:53" (1/1) ... [2019-09-20 18:25:53,262 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:25:53,282 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:25:53,282 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:25:53,290 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:25:53,301 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:25:53,302 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:25:53,457 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-20 18:25:53,809 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-20 18:25:58,824 WARN L191 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-20 18:25:58,989 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:25:58,990 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:25:58,992 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 78#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~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) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (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)))))) [2019-09-20 18:25:59,004 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:25:59,005 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:25:59,006 INFO L168 Benchmark]: Toolchain (without parser) took 6503.70 ms. Allocated memory was 134.2 MB in the beginning and 228.1 MB in the end (delta: 93.8 MB). Free memory was 88.2 MB in the beginning and 144.3 MB in the end (delta: -56.0 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,007 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.44 ms. Allocated memory is still 134.2 MB. Free memory was 88.0 MB in the beginning and 77.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,009 INFO L168 Benchmark]: Boogie Preprocessor took 122.67 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,010 INFO L168 Benchmark]: RCFGBuilder took 368.50 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 160.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,011 INFO L168 Benchmark]: Sifa took 5744.82 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.6 MB in the beginning and 144.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:59,015 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 134.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.44 ms. Allocated memory is still 134.2 MB. Free memory was 88.0 MB in the beginning and 77.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.67 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 177.2 MB in the end (delta: -99.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 368.50 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 160.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Sifa took 5744.82 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 160.6 MB in the beginning and 144.3 MB in the end (delta: 16.4 MB). Peak memory consumption was 43.1 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]: 5710, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 302, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 420, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 729, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 216, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 425, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 4399, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4967, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4966, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 502, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 501, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 84, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 42]: 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 78#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~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) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (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)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...