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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/reducercommutativity/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:17:35,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:17:35,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:17:35,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:17:35,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:17:35,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:17:35,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:17:35,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:17:35,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:17:35,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:17:35,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:17:35,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:17:35,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:17:35,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:17:35,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:17:35,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:17:35,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:17:35,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:17:35,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:17:35,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:17:35,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:17:35,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:17:35,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:17:35,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:17:35,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:17:35,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:17:35,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:17:35,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:17:35,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:17:35,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:17:35,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:17:35,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:17:35,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:17:35,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:17:35,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:17:35,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:17:35,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:17:35,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:17:35,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:17:35,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:17:35,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:17:35,881 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 21:17:35,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:17:35,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:17:35,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:17:35,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:17:35,897 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:17:35,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:17:35,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:17:35,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:17:35,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:17:35,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:17:35,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:17:35,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:17:35,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:17:35,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:17:35,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:17:35,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:17:35,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:17:35,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:17:35,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:17:35,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:17:35,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:17:35,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:17:35,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:17:35,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:17:35,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:17:35,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:17:35,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:17:35,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:17:35,902 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 -> ReUseSupersetCallSummarizer 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 21:17:35,931 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:17:35,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:17:35,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:17:35,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:17:35,948 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:17:35,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-18 21:17:36,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a656a38/a78be04d017f4a18b29389f001b63b67/FLAGecb025b20 [2019-09-18 21:17:36,390 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:17:36,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-18 21:17:36,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a656a38/a78be04d017f4a18b29389f001b63b67/FLAGecb025b20 [2019-09-18 21:17:36,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a656a38/a78be04d017f4a18b29389f001b63b67 [2019-09-18 21:17:36,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:17:36,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:17:36,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:17:36,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:17:36,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:17:36,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:17:36" (1/1) ... [2019-09-18 21:17:36,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76510f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:36, skipping insertion in model container [2019-09-18 21:17:36,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:17:36" (1/1) ... [2019-09-18 21:17:36,783 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:17:36,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:17:37,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:17:37,050 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:17:37,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:17:37,096 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:17:37,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37 WrapperNode [2019-09-18 21:17:37,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:17:37,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:17:37,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:17:37,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:17:37,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:17:37,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:17:37,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:17:37,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:17:37,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:17:37" (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 21:17:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:17:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:17:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-18 21:17:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:17:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:17:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:17:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-18 21:17:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:17:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:17:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 21:17:37,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:17:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:17:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:17:37,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:17:37,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:17:37,747 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 21:17:37,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:17:37 BoogieIcfgContainer [2019-09-18 21:17:37,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:17:37,749 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:17:37,749 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:17:37,749 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:17:37,750 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:17:37" (1/1) ... [2019-09-18 21:17:37,751 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:17:37,775 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:17:37,776 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:17:37,784 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:17:37,796 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:17:37,798 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:17:37,977 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-18 21:17:38,337 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-18 21:17:38,527 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 21:17:38,651 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-18 21:17:39,108 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 76 [2019-09-18 21:17:39,328 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 21:17:39,867 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2019-09-18 21:17:40,104 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 21:17:40,926 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 107 [2019-09-18 21:17:41,316 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 21:17:42,264 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 115 [2019-09-18 21:17:46,931 WARN L191 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 192 [2019-09-18 21:17:47,355 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2019-09-18 21:17:47,628 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-18 21:17:47,697 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:17:47,697 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:17:47,699 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 86#(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)))))) [2019-09-18 21:17:47,711 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:17:47,712 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:17:47,713 INFO L168 Benchmark]: Toolchain (without parser) took 10946.36 ms. Allocated memory was 142.1 MB in the beginning and 296.2 MB in the end (delta: 154.1 MB). Free memory was 90.3 MB in the beginning and 238.6 MB in the end (delta: -148.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,715 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.16 ms. Allocated memory is still 142.1 MB. Free memory was 90.1 MB in the beginning and 79.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,716 INFO L168 Benchmark]: Boogie Preprocessor took 135.20 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 79.6 MB in the beginning and 178.9 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,717 INFO L168 Benchmark]: RCFGBuilder took 515.56 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 156.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,718 INFO L168 Benchmark]: Sifa took 9963.10 ms. Allocated memory was 201.9 MB in the beginning and 296.2 MB in the end (delta: 94.4 MB). Free memory was 156.7 MB in the beginning and 238.6 MB in the end (delta: -81.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:17:47,722 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 329.16 ms. Allocated memory is still 142.1 MB. Free memory was 90.1 MB in the beginning and 79.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.20 ms. Allocated memory was 142.1 MB in the beginning and 201.9 MB in the end (delta: 59.8 MB). Free memory was 79.6 MB in the beginning and 178.9 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 515.56 ms. Allocated memory is still 201.9 MB. Free memory was 178.9 MB in the beginning and 156.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Sifa took 9963.10 ms. Allocated memory was 201.9 MB in the beginning and 296.2 MB in the end (delta: 94.4 MB). Free memory was 156.7 MB in the beginning and 238.6 MB in the end (delta: -81.9 MB). Peak memory consumption was 12.5 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]: 9924, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 31, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 169, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 348, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 580, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 184, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 2622, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 6533, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 71, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9262, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9261, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4866, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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 86#(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...