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 SingleStatement --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-efa34d5 [2019-09-18 11:31:14,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:31:14,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:31:14,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:31:14,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:31:14,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:31:14,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:31:14,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:31:14,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:31:14,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:31:14,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:31:14,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:31:14,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:31:14,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:31:14,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:31:14,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:31:14,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:31:14,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:31:14,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:31:14,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:31:14,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:31:14,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:31:14,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:31:14,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:31:14,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:31:14,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:31:14,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:31:14,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:31:14,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:31:14,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:31:14,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:31:14,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:31:14,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:31:14,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:31:14,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:31:14,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:31:14,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:31:14,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:31:14,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:31:14,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:31:14,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:31:14,084 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 [2019-09-18 11:31:14,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:31:14,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:31:14,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:31:14,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:31:14,102 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:31:14,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:31:14,103 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:31:14,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:31:14,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:31:14,103 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:31:14,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:31:14,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:31:14,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:31:14,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:31:14,105 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:31:14,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:31:14,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:31:14,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:31:14,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:31:14,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:31:14,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:31:14,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:31:14,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:31:14,107 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 -> SingleStatement 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 [2019-09-18 11:31:14,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:31:14,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:31:14,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:31:14,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:31:14,171 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:31:14,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-18 11:31:14,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481a8c435/1be564c216d0470caac2e7df33ce9f29/FLAG12e5f8a12 [2019-09-18 11:31:14,661 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:31:14,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep10-2.i [2019-09-18 11:31:14,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481a8c435/1be564c216d0470caac2e7df33ce9f29/FLAG12e5f8a12 [2019-09-18 11:31:15,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481a8c435/1be564c216d0470caac2e7df33ce9f29 [2019-09-18 11:31:15,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:31:15,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:31:15,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:31:15,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:31:15,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:31:15,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da9042b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15, skipping insertion in model container [2019-09-18 11:31:15,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,055 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:31:15,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:31:15,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:31:15,279 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:31:15,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:31:15,322 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:31:15,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15 WrapperNode [2019-09-18 11:31:15,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:31:15,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:31:15,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:31:15,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:31:15,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:31:15,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:31:15,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:31:15,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:31:15,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:31:15" (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 [2019-09-18 11:31:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:31:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:31:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-18 11:31:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:31:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:31:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:31:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-18 11:31:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:31:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:31:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:31:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:31:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:31:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:31:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:31:15,890 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:31:15,890 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 11:31:15,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:31:15 BoogieIcfgContainer [2019-09-18 11:31:15,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:31:15,892 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:31:15,892 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:31:15,892 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:31:15,894 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:31:15" (1/1) ... [2019-09-18 11:31:15,894 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 [2019-09-18 11:31:15,919 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:31:15,920 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:31:15,928 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:31:15,936 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:31:15,937 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:31:16,084 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 11:31:16,300 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-18 11:31:16,576 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 70 [2019-09-18 11:31:16,860 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 92 [2019-09-18 11:31:17,162 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 112 [2019-09-18 11:31:17,492 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 145 [2019-09-18 11:31:18,120 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2019-09-18 11:31:21,083 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2019-09-18 11:31:21,742 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 272 [2019-09-18 11:31:21,989 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 3 [2019-09-18 11:31:22,642 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-18 11:31:23,240 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-18 11:31:23,799 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-18 11:31:25,012 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-18 11:31:28,679 WARN L191 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 132 [2019-09-18 11:31:28,786 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:31:28,787 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:31:28,789 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 276#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_sep_~ret~0_BEFORE_RETURN_3 Int) (v_prenex_43 Int)) (or (and (= (+ (mod v_prenex_43 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 9)) (not (<= (mod v_prenex_43 4294967296) 2147483647)) (<= 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)) (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))))) [2019-09-18 11:31:28,804 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:31:28,804 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:31:28,806 INFO L168 Benchmark]: Toolchain (without parser) took 13765.22 ms. Allocated memory was 143.1 MB in the beginning and 284.7 MB in the end (delta: 141.6 MB). Free memory was 90.8 MB in the beginning and 102.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:28,808 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:31:28,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.78 ms. Allocated memory is still 143.1 MB. Free memory was 90.4 MB in the beginning and 80.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:28,818 INFO L168 Benchmark]: Boogie Preprocessor took 143.00 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 80.2 MB in the beginning and 176.2 MB in the end (delta: -95.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:28,821 INFO L168 Benchmark]: RCFGBuilder took 425.12 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 156.4 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:28,821 INFO L168 Benchmark]: Sifa took 12912.65 ms. Allocated memory was 199.8 MB in the beginning and 284.7 MB in the end (delta: 84.9 MB). Free memory was 156.4 MB in the beginning and 102.8 MB in the end (delta: 53.6 MB). Peak memory consumption was 138.5 MB. Max. memory is 7.1 GB. [2019-09-18 11:31:28,827 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 143.1 MB. Free memory is still 108.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.78 ms. Allocated memory is still 143.1 MB. Free memory was 90.4 MB in the beginning and 80.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.00 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 80.2 MB in the beginning and 176.2 MB in the end (delta: -95.9 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.12 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 156.4 MB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Sifa took 12912.65 ms. Allocated memory was 199.8 MB in the beginning and 284.7 MB in the end (delta: 84.9 MB). Free memory was 156.4 MB in the beginning and 102.8 MB in the end (delta: 53.6 MB). Peak memory consumption was 138.5 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]: 12870, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 188, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 3089, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 33, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 189, TOOLS_QUANTIFIERELIM_TIME[ms]: 3037, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1123, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 203, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 850, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 2, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 7830, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 926, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11693, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11693, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 398, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 398, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 224, DAG_COMPRESSION_RETAINED_NODES: 147 - 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 276#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_sep_~ret~0_BEFORE_RETURN_3 Int) (v_prenex_43 Int)) (or (and (= (+ (mod v_prenex_43 4294967296) (- 4294967296)) main_~ret5~0) (not (< main_~i~2 9)) (not (<= (mod v_prenex_43 4294967296) 2147483647)) (<= 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)) (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))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...