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/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:19:17,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:19:17,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:19:17,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:19:17,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:19:17,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:19:17,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:19:17,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:19:17,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:19:17,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:19:17,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:19:17,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:19:17,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:19:17,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:19:17,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:19:17,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:19:17,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:19:17,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:19:17,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:19:17,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:19:17,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:19:17,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:19:17,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:19:17,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:19:17,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:19:17,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:19:17,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:19:17,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:19:17,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:19:17,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:19:17,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:19:17,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:19:17,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:19:17,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:19:17,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:19:17,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:19:17,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:19:17,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:19:17,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:19:17,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:19:17,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:19:17,405 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 16:19:17,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:19:17,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:19:17,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:19:17,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:19:17,423 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:19:17,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:19:17,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:19:17,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:19:17,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:19:17,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:19:17,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:19:17,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:19:17,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:19:17,425 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:19:17,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:19:17,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:19:17,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:19:17,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:19:17,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:19:17,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:19:17,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:19:17,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:19:17,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:19:17,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:19:17,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:19:17,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:19:17,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:19:17,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:19:17,429 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 16:19:17,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:19:17,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:19:17,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:19:17,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:19:17,485 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:19:17,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-25 16:19:17,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3f94222/7652d25b79c34469b26af86bccf223d8/FLAG940f61dd3 [2019-09-25 16:19:18,002 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:19:18,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-25 16:19:18,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3f94222/7652d25b79c34469b26af86bccf223d8/FLAG940f61dd3 [2019-09-25 16:19:18,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb3f94222/7652d25b79c34469b26af86bccf223d8 [2019-09-25 16:19:18,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:19:18,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:19:18,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:19:18,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:19:18,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:19:18,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7354cb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18, skipping insertion in model container [2019-09-25 16:19:18,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,421 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:19:18,446 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:19:18,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:19:18,720 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:19:18,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:19:18,770 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:19:18,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18 WrapperNode [2019-09-25 16:19:18,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:19:18,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:19:18,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:19:18,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:19:18,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (1/1) ... [2019-09-25 16:19:18,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:19:18,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:19:18,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:19:18,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:19:18,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:19:18" (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 16:19:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:19:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:19:19,000 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-25 16:19:19,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-25 16:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:19:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:19:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:19:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:19:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:19:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:19:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:19:19,415 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:19:19,416 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-25 16:19:19,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:19:19 BoogieIcfgContainer [2019-09-25 16:19:19,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:19:19,418 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:19:19,418 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:19:19,418 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:19:19,419 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:19:19" (1/1) ... [2019-09-25 16:19:19,420 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 16:19:19,445 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:19:19,445 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:19:19,453 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:19:19,461 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:19:19,463 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:19:19,653 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-25 16:19:20,327 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:19:20,327 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:19:20,329 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 98#(or (and (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))))) (not (= main_~ret~1 main_~ret5~0))) (and (not (= main_~ret~1 main_~ret2~0)) (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))))))) [2019-09-25 16:19:20,345 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:19:20,345 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:19:20,348 INFO L168 Benchmark]: Toolchain (without parser) took 1945.72 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 86.4 MB in the beginning and 102.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,349 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.64 ms. Allocated memory is still 136.8 MB. Free memory was 86.2 MB in the beginning and 75.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,351 INFO L168 Benchmark]: Boogie Preprocessor took 173.26 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 75.9 MB in the beginning and 177.6 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,352 INFO L168 Benchmark]: RCFGBuilder took 471.52 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 155.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,353 INFO L168 Benchmark]: Sifa took 928.10 ms. Allocated memory is still 200.8 MB. Free memory was 155.3 MB in the beginning and 102.1 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:19:20,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.64 ms. Allocated memory is still 136.8 MB. Free memory was 86.2 MB in the beginning and 75.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.26 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 75.9 MB in the beginning and 177.6 MB in the end (delta: -101.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 471.52 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 155.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Sifa took 928.10 ms. Allocated memory is still 200.8 MB. Free memory was 155.3 MB in the beginning and 102.1 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 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]: 885, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 17, TOOLS_POST_TIME[ms]: 277, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 167, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_APPLICATIONS: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 450, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 95, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 30, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 205, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 58, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 66, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 414, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 410, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 413, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 412, 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: 64, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 98#(or (and (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))))) (not (= main_~ret~1 main_~ret5~0))) (and (not (= main_~ret~1 main_~ret2~0)) (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...