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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:17:32,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:32,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:32,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:32,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:32,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:32,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:32,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:32,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:32,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:32,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:32,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:32,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:32,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:32,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:32,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:32,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:32,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:32,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:32,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:32,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:32,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:32,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:32,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:32,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:32,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:32,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:32,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:32,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:32,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:32,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:32,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:32,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:32,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:32,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:32,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:32,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:32,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:32,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:32,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:32,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:32,552 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 23:17:32,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:17:32,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:17:32,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:17:32,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:17:32,570 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:17:32,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:17:32,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:17:32,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:17:32,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:17:32,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:17:32,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:17:32,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:17:32,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:17:32,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:17:32,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:17:32,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:17:32,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:17:32,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:17:32,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:17:32,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:17:32,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:17:32,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:17:32,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:17:32,575 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 -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:17:32,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:17:32,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:17:32,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:17:32,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:17:32,634 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:17:32,635 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 23:17:32,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41587f4ec/6adbc4a820a7437186a7fc536660e9cb/FLAGb27cc904b [2019-09-20 23:17:33,152 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:17:33,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-20 23:17:33,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41587f4ec/6adbc4a820a7437186a7fc536660e9cb/FLAGb27cc904b [2019-09-20 23:17:33,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41587f4ec/6adbc4a820a7437186a7fc536660e9cb [2019-09-20 23:17:33,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:17:33,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:17:33,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:33,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:17:33,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:17:33,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:33,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4efc6878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33, skipping insertion in model container [2019-09-20 23:17:33,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:33,609 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:17:33,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:17:33,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:33,872 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:17:33,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:33,907 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:17:33,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33 WrapperNode [2019-09-20 23:17:33,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:33,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:17:33,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:17:33,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:17:34,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (1/1) ... [2019-09-20 23:17:34,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:17:34,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:17:34,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:17:34,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:17:34,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:33" (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 23:17:34,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:17:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:17:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-20 23:17:34,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:17:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:17:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:17:34,098 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-20 23:17:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:17:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:17:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:17:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:17:34,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:17:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:17:34,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:17:34,536 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:17:34,536 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:17:34,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:34 BoogieIcfgContainer [2019-09-20 23:17:34,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:17:34,538 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:17:34,538 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:17:34,538 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:17:34,539 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:17:34" (1/1) ... [2019-09-20 23:17:34,540 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:17:34,560 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:17:34,560 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:17:34,575 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:17:34,585 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:17:34,587 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:17:34,734 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-20 23:17:35,370 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-20 23:17:35,637 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 23:17:36,159 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 92 [2019-09-20 23:17:36,348 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:17:36,839 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 97 [2019-09-20 23:17:41,563 WARN L191 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 192 [2019-09-20 23:17:41,675 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:17:41,675 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:17:41,676 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))) [2019-09-20 23:17:41,688 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:17:41,688 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:17:41,690 INFO L168 Benchmark]: Toolchain (without parser) took 8097.59 ms. Allocated memory was 135.3 MB in the beginning and 256.4 MB in the end (delta: 121.1 MB). Free memory was 91.4 MB in the beginning and 115.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,691 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.43 ms. Allocated memory is still 135.3 MB. Free memory was 91.2 MB in the beginning and 80.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,693 INFO L168 Benchmark]: Boogie Preprocessor took 136.93 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 80.8 MB in the beginning and 176.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,694 INFO L168 Benchmark]: RCFGBuilder took 492.15 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 154.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,695 INFO L168 Benchmark]: Sifa took 7150.84 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 154.7 MB in the beginning and 115.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-09-20 23:17:41,698 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.43 ms. Allocated memory is still 135.3 MB. Free memory was 91.2 MB in the beginning and 80.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.93 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 80.8 MB in the beginning and 176.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 492.15 ms. Allocated memory is still 200.8 MB. Free memory was 176.7 MB in the beginning and 154.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Sifa took 7150.84 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 154.7 MB in the beginning and 115.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 95.1 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]: 7116, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 218, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 386, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 27, TOOLS_QUANTIFIERELIM_APPLICATIONS: 27, TOOLS_QUANTIFIERELIM_TIME[ms]: 609, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 190, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 1168, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 5155, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 80, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6446, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6446, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2039, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2038, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 64, DAG_COMPRESSION_RETAINED_NODES: 35 - UnprovableResult [Line: 42]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 65#(and (or (not (= main_~ret~1 main_~ret2~0)) (not (= main_~ret~1 main_~ret5~0))) (exists ((v_prenex_15 Int) (v_sep_~ret~0_BEFORE_RETURN_3 Int)) (or (and (not (<= (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) 2147483647)) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= main_~ret5~0 2147483647) (= main_~ret5~0 (+ (mod v_sep_~ret~0_BEFORE_RETURN_3 4294967296) (- 4294967296))) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0))) (and (= (mod v_prenex_15 4294967296) main_~ret5~0) (= main_~temp~0 (select (select |#memory_int| |main_~#x~0.base|) (+ (* 4 ~N~0) |main_~#x~0.offset| (- 4)))) (<= (mod v_prenex_15 4294967296) 2147483647) (<= main_~ret5~0 2147483647) (<= 0 (+ main_~ret5~0 2147483648)) (not (< (+ main_~i~1 1) ~N~0)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...