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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/reducercommutativity/max05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:53:14,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:53:14,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:53:14,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:53:14,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:53:14,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:53:14,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:53:14,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:53:14,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:53:14,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:53:14,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:53:14,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:53:14,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:53:14,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:53:14,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:53:14,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:53:14,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:53:14,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:53:14,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:53:14,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:53:14,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:53:14,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:53:14,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:53:14,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:53:14,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:53:14,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:53:14,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:53:14,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:53:14,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:53:14,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:53:14,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:53:14,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:53:14,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:53:14,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:53:14,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:53:14,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:53:14,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:53:14,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:53:14,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:53:14,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:53:14,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:53:14,510 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 [2019-10-04 12:53:14,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:53:14,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:53:14,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:53:14,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:53:14,527 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:53:14,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:53:14,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:53:14,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:53:14,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:53:14,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:53:14,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:53:14,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:53:14,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:53:14,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:53:14,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:53:14,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:53:14,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:53:14,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:53:14,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:53:14,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:53:14,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:53:14,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:53:14,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:53:14,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:53:14,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:53:14,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:53:14,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:53:14,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:53:14,532 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 12:53:14,566 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:53:14,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:53:14,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:53:14,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:53:14,590 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:53:14,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-10-04 12:53:14,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b0f8287/e396a52d726d400dbb9ddc0c6b0ea569/FLAGe4f6a1727 [2019-10-04 12:53:15,121 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:53:15,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/max05-1.i [2019-10-04 12:53:15,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b0f8287/e396a52d726d400dbb9ddc0c6b0ea569/FLAGe4f6a1727 [2019-10-04 12:53:15,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b0f8287/e396a52d726d400dbb9ddc0c6b0ea569 [2019-10-04 12:53:15,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:53:15,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:53:15,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:15,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:53:15,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:53:15,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbcfa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15, skipping insertion in model container [2019-10-04 12:53:15,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,540 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:53:15,558 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:53:15,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:15,782 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:53:15,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:15,820 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:53:15,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15 WrapperNode [2019-10-04 12:53:15,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:15,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:53:15,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:53:15,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:53:15,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (1/1) ... [2019-10-04 12:53:15,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:53:15,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:53:15,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:53:15,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:53:15,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:15" (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 [2019-10-04 12:53:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:53:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:53:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2019-10-04 12:53:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:53:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:53:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:53:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure max [2019-10-04 12:53:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:53:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:53:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:53:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:53:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:53:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:53:16,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:53:16,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:53:16,479 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-04 12:53:16,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:16 BoogieIcfgContainer [2019-10-04 12:53:16,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:53:16,481 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:53:16,481 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:53:16,481 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:53:16,483 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:16" (1/1) ... [2019-10-04 12:53:16,483 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 [2019-10-04 12:53:16,510 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:53:16,510 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:53:16,519 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:53:16,529 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:53:16,531 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:53:16,733 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-04 12:53:17,848 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:53:17,848 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:53:17,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 103#(or (and (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (= main_~ret5~0 (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 4))))) (not (= main_~ret~1 main_~ret5~0))) (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (= main_~ret5~0 (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 4))))))) [2019-10-04 12:53:17,872 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:53:17,873 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:53:17,880 INFO L168 Benchmark]: Toolchain (without parser) took 2350.23 ms. Allocated memory was 141.6 MB in the beginning and 229.1 MB in the end (delta: 87.6 MB). Free memory was 88.1 MB in the beginning and 191.6 MB in the end (delta: -103.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:53:17,881 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:53:17,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.96 ms. Allocated memory is still 141.6 MB. Free memory was 87.7 MB in the beginning and 77.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:17,883 INFO L168 Benchmark]: Boogie Preprocessor took 154.41 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 77.5 MB in the beginning and 177.7 MB in the end (delta: -100.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:17,884 INFO L168 Benchmark]: RCFGBuilder took 504.14 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 154.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:17,888 INFO L168 Benchmark]: Sifa took 1391.92 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 154.9 MB in the beginning and 191.6 MB in the end (delta: -36.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:53:17,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.96 ms. Allocated memory is still 141.6 MB. Free memory was 87.7 MB in the beginning and 77.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.41 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 77.5 MB in the beginning and 177.7 MB in the end (delta: -100.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 504.14 ms. Allocated memory is still 200.8 MB. Free memory was 177.7 MB in the beginning and 154.9 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Sifa took 1391.92 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 154.9 MB in the beginning and 191.6 MB in the end (delta: -36.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1341, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 860, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 37, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 34, TOOLS_QUANTIFIERELIM_APPLICATIONS: 28, TOOLS_QUANTIFIERELIM_TIME[ms]: 903, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 395, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 142, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 118, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 68, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 920, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 919, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 294, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 292, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 72, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 39]: 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 103#(or (and (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (= main_~ret5~0 (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 4))))) (not (= main_~ret~1 main_~ret5~0))) (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_max_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (not (<= (mod v_prenex_15 4294967296) 2147483647)) (= (+ (mod v_prenex_15 4294967296) (- 4294967296)) main_~ret5~0) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 4))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 16))) (= main_~ret5~0 (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296)) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (<= (mod v_max_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647) (not (< main_~i~2 4))))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...