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/sum20-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 12:53:34,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 12:53:34,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 12:53:34,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 12:53:34,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 12:53:34,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 12:53:34,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 12:53:34,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 12:53:34,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 12:53:34,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 12:53:34,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 12:53:34,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 12:53:34,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 12:53:34,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 12:53:34,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 12:53:34,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 12:53:34,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 12:53:34,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 12:53:34,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 12:53:34,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 12:53:34,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 12:53:34,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 12:53:34,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 12:53:34,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 12:53:34,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 12:53:34,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 12:53:34,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 12:53:34,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 12:53:34,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 12:53:34,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 12:53:34,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 12:53:34,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 12:53:34,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 12:53:34,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 12:53:34,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 12:53:34,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 12:53:34,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 12:53:34,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 12:53:34,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 12:53:34,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 12:53:34,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 12:53:34,565 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 12:53:34,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 12:53:34,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 12:53:34,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 12:53:34,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 12:53:34,592 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 12:53:34,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 12:53:34,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 12:53:34,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 12:53:34,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 12:53:34,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 12:53:34,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 12:53:34,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 12:53:34,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 12:53:34,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 12:53:34,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 12:53:34,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 12:53:34,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 12:53:34,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 12:53:34,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 12:53:34,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 12:53:34,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 12:53:34,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 12:53:34,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 12:53:34,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 12:53:34,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 12:53:34,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 12:53:34,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 12:53:34,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 12:53:34,599 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 12:53:34,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 12:53:34,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 12:53:34,692 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 12:53:34,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 12:53:34,695 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 12:53:34,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum20-2.i [2019-10-04 12:53:34,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d4a7e9d/a149f14c8ced4422bbd02fbbd7cecba4/FLAG6a381f069 [2019-10-04 12:53:35,285 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 12:53:35,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum20-2.i [2019-10-04 12:53:35,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d4a7e9d/a149f14c8ced4422bbd02fbbd7cecba4/FLAG6a381f069 [2019-10-04 12:53:35,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d4a7e9d/a149f14c8ced4422bbd02fbbd7cecba4 [2019-10-04 12:53:35,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 12:53:35,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 12:53:35,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:35,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 12:53:35,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 12:53:35,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:35" (1/1) ... [2019-10-04 12:53:35,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6670ab09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:35, skipping insertion in model container [2019-10-04 12:53:35,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 12:53:35" (1/1) ... [2019-10-04 12:53:35,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 12:53:35,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 12:53:35,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:35,870 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 12:53:35,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 12:53:36,017 INFO L192 MainTranslator]: Completed translation [2019-10-04 12:53:36,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36 WrapperNode [2019-10-04 12:53:36,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 12:53:36,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 12:53:36,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 12:53:36,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 12:53:36,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 12:53:36,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 12:53:36,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 12:53:36,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 12:53:36,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 12:53:36" (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 12:53:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 12:53:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 12:53:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-10-04 12:53:36,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 12:53:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 12:53:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 12:53:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 12:53:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 12:53:36,510 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 12:53:36,511 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-04 12:53:36,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:36 BoogieIcfgContainer [2019-10-04 12:53:36,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 12:53:36,513 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 12:53:36,513 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 12:53:36,513 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 12:53:36,514 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:36" (1/1) ... [2019-10-04 12:53:36,515 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 12:53:36,540 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 12:53:36,540 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 12:53:36,548 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 12:53:36,557 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 12:53:36,558 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 12:53:36,736 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-04 12:53:37,847 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 12:53:37,847 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 12:53:37,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 115#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19)))))) (and (not (= main_~ret~1 main_~ret5~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))))))) [2019-10-04 12:53:37,870 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 12:53:37,870 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 12:53:37,878 INFO L168 Benchmark]: Toolchain (without parser) took 2228.41 ms. Allocated memory was 143.1 MB in the beginning and 232.3 MB in the end (delta: 89.1 MB). Free memory was 90.5 MB in the beginning and 191.0 MB in the end (delta: -100.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:53:37,879 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-04 12:53:37,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.83 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.3 MB in the beginning and 179.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:37,881 INFO L168 Benchmark]: Boogie Preprocessor took 39.01 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 177.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:37,882 INFO L168 Benchmark]: RCFGBuilder took 454.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 157.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-10-04 12:53:37,886 INFO L168 Benchmark]: Sifa took 1357.90 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 157.6 MB in the beginning and 191.0 MB in the end (delta: -33.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-04 12:53:37,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.1 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.83 ms. Allocated memory was 143.1 MB in the beginning and 201.3 MB in the end (delta: 58.2 MB). Free memory was 90.3 MB in the beginning and 179.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.01 ms. Allocated memory is still 201.3 MB. Free memory was 179.9 MB in the beginning and 177.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.41 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 157.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Sifa took 1357.90 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 157.6 MB in the beginning and 191.0 MB in the end (delta: -33.4 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]: 1310, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 28, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 829, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME[ms]: 852, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 376, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 37, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 122, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 146, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 86, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 948, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 947, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 247, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 247, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 16, 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 115#(or (and (not (= main_~ret~1 main_~ret2~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19)))))) (and (not (= main_~ret~1 main_~ret5~0)) (exists ((v_prenex_15 Int) (v_sum_~ret~0_BEFORE_RETURN_3 Int)) (or (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))) (and (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ |main_~#x~0.offset| 76))) (not (<= (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (<= main_~ret5~0 2147483647) (= (+ (mod v_sum_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296)) main_~ret5~0) (<= 0 (+ main_~ret5~0 2147483648)) (not (< main_~i~2 19))))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...