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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep10-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:28,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:28,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:28,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:28,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:28,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:28,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:28,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:28,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:28,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:28,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:28,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:28,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:28,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:28,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:28,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:28,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:28,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:28,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:28,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:28,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:28,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:28,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:28,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:28,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:28,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:28,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:28,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:28,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:28,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:28,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:28,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:28,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:28,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:28,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:28,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:28,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:28,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:28,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:28,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:28,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:28,338 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 17:23:28,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:28,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:28,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:28,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:28,353 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:28,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:28,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:28,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:28,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:28,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:28,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:28,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:28,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:28,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:28,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:28,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:28,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:28,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:28,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:28,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:28,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:28,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:28,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:28,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:28,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:28,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:28,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:28,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:28,358 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:23:28,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:28,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:28,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:28,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:28,403 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:28,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-20 17:23:28,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efed27b30/86386eb7611a427e9a08684a959d03cf/FLAG84c3e513f [2019-09-20 17:23:28,868 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:28,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-20 17:23:28,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efed27b30/86386eb7611a427e9a08684a959d03cf/FLAG84c3e513f [2019-09-20 17:23:29,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efed27b30/86386eb7611a427e9a08684a959d03cf [2019-09-20 17:23:29,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:29,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:29,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:29,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:29,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:29,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cf23f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29, skipping insertion in model container [2019-09-20 17:23:29,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:29,352 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:29,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:29,586 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:29,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:29,709 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:29,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29 WrapperNode [2019-09-20 17:23:29,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:29,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:29,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:29,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:29,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (1/1) ... [2019-09-20 17:23:29,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:29,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:29,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:29,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:29,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:29" (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 17:23:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-20 17:23:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-20 17:23:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:23:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:23:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:23:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:23:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:30,208 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:30,209 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:23:30,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:30 BoogieIcfgContainer [2019-09-20 17:23:30,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:30,210 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:30,210 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:30,211 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:30,212 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:30" (1/1) ... [2019-09-20 17:23:30,212 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:23:30,237 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:30,238 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:30,244 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:30,250 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:30,252 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:30,440 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:23:32,370 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:23:32,977 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2019-09-20 17:23:33,245 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-20 17:23:33,423 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:23:33,944 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-20 17:23:34,762 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 17:23:39,282 WARN L191 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 17:23:39,390 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:23:39,391 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:23:39,393 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 112#(and (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296)) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)))) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))) [2019-09-20 17:23:39,404 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:23:39,404 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:23:39,406 INFO L168 Benchmark]: Toolchain (without parser) took 10090.49 ms. Allocated memory was 134.2 MB in the beginning and 257.4 MB in the end (delta: 123.2 MB). Free memory was 89.6 MB in the beginning and 103.1 MB in the end (delta: -13.4 MB). Peak memory consumption was 109.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,406 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.12 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 177.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,408 INFO L168 Benchmark]: Boogie Preprocessor took 39.11 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,408 INFO L168 Benchmark]: RCFGBuilder took 459.73 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 152.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,409 INFO L168 Benchmark]: Sifa took 9193.91 ms. Allocated memory was 200.3 MB in the beginning and 257.4 MB in the end (delta: 57.1 MB). Free memory was 152.4 MB in the beginning and 103.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:39,413 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 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.12 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 177.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.11 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 175.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 459.73 ms. Allocated memory is still 200.3 MB. Free memory was 175.0 MB in the beginning and 152.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Sifa took 9193.91 ms. Allocated memory was 200.3 MB in the beginning and 257.4 MB in the end (delta: 57.1 MB). Free memory was 152.4 MB in the beginning and 103.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 106.5 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]: 9156, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 1302, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 16, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 1312, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 684, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 944, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 6775, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8723, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8723, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1215, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1215, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 72, 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 112#(and (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296)) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)) (and (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 9)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (= (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 36)) main_~temp~0)))) (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...