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/loop-invgen/id_build.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:41:12,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:41:12,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:41:12,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:41:12,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:41:12,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:41:12,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:41:12,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:41:12,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:41:12,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:41:12,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:41:12,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:41:12,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:41:12,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:41:12,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:41:12,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:41:12,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:41:12,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:41:12,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:41:12,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:41:12,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:41:12,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:41:12,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:41:12,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:41:12,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 21:41:12,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:41:12,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:41:12,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:41:12,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:41:12,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:41:12,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:41:12,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:41:12,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:41:12,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:41:12,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:41:12,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:41:12,956 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 [2019-09-19 21:41:12,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:41:12,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:41:12,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:41:12,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:41:12,974 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:41:12,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:41:12,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:41:12,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:41:12,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:41:12,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:41:12,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:41:12,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:41:12,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:41:12,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:41:12,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:41:12,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:41:12,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:41:12,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:41:12,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:41:12,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:41:12,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:41:12,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:41:12,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:41:12,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:41:12,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:41:12,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:41:12,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:41:12,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:41:12,980 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 [2019-09-19 21:41:13,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:41:13,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:41:13,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:41:13,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:41:13,061 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:41:13,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-19 21:41:13,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f92ce44/2d339f3188704eacb68ca5bae1bd4c09/FLAGaeeedbe65 [2019-09-19 21:41:13,649 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:41:13,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-19 21:41:13,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f92ce44/2d339f3188704eacb68ca5bae1bd4c09/FLAGaeeedbe65 [2019-09-19 21:41:13,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f92ce44/2d339f3188704eacb68ca5bae1bd4c09 [2019-09-19 21:41:13,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:41:13,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:41:13,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:41:13,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:41:13,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:41:13,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:41:13" (1/1) ... [2019-09-19 21:41:13,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd43ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:13, skipping insertion in model container [2019-09-19 21:41:13,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:41:13" (1/1) ... [2019-09-19 21:41:13,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:41:14,054 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:41:14,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:41:14,655 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:41:14,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:41:14,922 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:41:14,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14 WrapperNode [2019-09-19 21:41:14,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:41:14,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:41:14,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:41:14,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:41:14,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:14,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:14,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:14,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:14,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:15,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:15,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (1/1) ... [2019-09-19 21:41:15,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:41:15,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:41:15,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:41:15,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:41:15,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:41:14" (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 [2019-09-19 21:41:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:41:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:41:15,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:41:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:41:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-19 21:41:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 21:41:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 21:41:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:41:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:41:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:41:16,384 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:41:16,385 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 21:41:16,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:41:16 BoogieIcfgContainer [2019-09-19 21:41:16,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:41:16,387 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:41:16,387 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:41:16,387 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:41:16,388 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:41:16" (1/1) ... [2019-09-19 21:41:16,389 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 [2019-09-19 21:41:16,419 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-19 21:41:16,419 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:41:16,429 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:41:16,438 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:41:16,439 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:41:16,513 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-19 21:41:32,124 WARN L191 SmtUtils]: Spent 13.90 s on a formula simplification. DAG size of input: 751 DAG size of output: 358 [2019-09-19 21:41:35,344 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 358 [2019-09-19 21:41:48,996 WARN L191 SmtUtils]: Spent 13.25 s on a formula simplification. DAG size of input: 745 DAG size of output: 358 [2019-09-19 21:41:52,189 WARN L191 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 358 [2019-09-19 21:41:56,853 WARN L191 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 367 DAG size of output: 346 [2019-09-19 21:41:57,994 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:42:00,305 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 361 DAG size of output: 346 [2019-09-19 21:42:01,456 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:42:03,751 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 363 DAG size of output: 346 [2019-09-19 21:42:04,868 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:42:08,174 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:42:11,472 WARN L191 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:42:18,387 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 367 DAG size of output: 351 [2019-09-19 21:42:21,720 WARN L191 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 351 [2019-09-19 21:42:31,538 WARN L191 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 369 DAG size of output: 354 [2019-09-19 21:42:34,778 WARN L191 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:42:43,482 WARN L191 SmtUtils]: Spent 8.69 s on a formula simplification. DAG size of input: 365 DAG size of output: 363 [2019-09-19 21:42:47,890 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 363 [2019-09-19 21:42:57,319 WARN L191 SmtUtils]: Spent 9.39 s on a formula simplification. DAG size of input: 373 DAG size of output: 359 [2019-09-19 21:43:01,585 WARN L191 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 359 [2019-09-19 21:43:10,267 WARN L191 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 375 DAG size of output: 360 [2019-09-19 21:43:14,550 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 360 [2019-09-19 21:43:25,567 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 374 DAG size of output: 369 [2019-09-19 21:43:30,327 WARN L191 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 723 DAG size of output: 345 [2019-09-19 21:43:31,394 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 345 [2019-09-19 21:43:35,889 WARN L191 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 723 DAG size of output: 345 [2019-09-19 21:43:36,979 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 345 [2019-09-19 21:43:42,879 WARN L191 SmtUtils]: Spent 5.87 s on a formula simplification. DAG size of input: 354 DAG size of output: 352 [2019-09-19 21:43:43,209 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-19 21:43:47,614 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification. DAG size of input: 367 DAG size of output: 346 [2019-09-19 21:43:48,700 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:43:50,980 WARN L191 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 361 DAG size of output: 346 [2019-09-19 21:43:52,105 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:43:54,390 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 363 DAG size of output: 346 [2019-09-19 21:43:55,524 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 346 [2019-09-19 21:43:58,848 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:44:02,141 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 356 [2019-09-19 21:44:08,872 WARN L191 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 367 DAG size of output: 351 [2019-09-19 21:44:12,172 WARN L191 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 351 [2019-09-19 21:44:22,034 WARN L191 SmtUtils]: Spent 9.85 s on a formula simplification. DAG size of input: 369 DAG size of output: 354 [2019-09-19 21:44:25,251 WARN L191 SmtUtils]: Spent 3.22 s on a formula simplification that was a NOOP. DAG size: 354 [2019-09-19 21:44:34,211 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification. DAG size of input: 365 DAG size of output: 362 [2019-09-19 21:44:34,557 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-09-19 21:44:34,664 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 21:44:34,665 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 21:44:34,668 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 927#(and (= main_~__VERIFIER_assert__cond~152 0) (= main_~__VERIFIER_assert__cond~152 main_~__tmp_153~0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_153~0) (< main_~main__j~0 8)) [2019-09-19 21:44:34,668 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1095#(= main_~__VERIFIER_assert__cond~135 0) [2019-09-19 21:44:34,683 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 21:44:34,683 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 21:44:34,685 INFO L168 Benchmark]: Toolchain (without parser) took 200734.34 ms. Allocated memory was 141.6 MB in the beginning and 208.1 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 96.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,686 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.80 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 86.9 MB in the beginning and 159.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,688 INFO L168 Benchmark]: Boogie Preprocessor took 110.95 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 155.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,689 INFO L168 Benchmark]: RCFGBuilder took 1351.60 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 155.3 MB in the beginning and 145.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,690 INFO L168 Benchmark]: Sifa took 198296.31 ms. Allocated memory was 231.2 MB in the beginning and 208.1 MB in the end (delta: -23.1 MB). Free memory was 145.6 MB in the beginning and 96.6 MB in the end (delta: 49.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-19 21:44:34,694 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 141.6 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 971.80 ms. Allocated memory was 141.6 MB in the beginning and 203.4 MB in the end (delta: 61.9 MB). Free memory was 86.9 MB in the beginning and 159.8 MB in the end (delta: -72.9 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.95 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 155.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1351.60 ms. Allocated memory was 203.4 MB in the beginning and 231.2 MB in the end (delta: 27.8 MB). Free memory was 155.3 MB in the beginning and 145.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * Sifa took 198296.31 ms. Allocated memory was 231.2 MB in the beginning and 208.1 MB in the end (delta: -23.1 MB). Free memory was 145.6 MB in the beginning and 96.6 MB in the end (delta: 49.0 MB). Peak memory consumption was 25.9 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]: 198251, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1014, DAG_INTERPRETER_EARLY_EXITS: 20, TOOLS_POST_APPLICATIONS: 997, TOOLS_POST_TIME[ms]: 1547, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 805, TOOLS_QUANTIFIERELIM_TIME[ms]: 1028, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1034, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 37, DOMAIN_JOIN_TIME[ms]: 148924, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 46626, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 243, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 133811, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 133810, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 36, REGEX_TO_DAG_TIME[ms]: 22, DAG_COMPRESSION_TIME[ms]: 638, DAG_COMPRESSION_PROCESSED_NODES: 44639, DAG_COMPRESSION_RETAINED_NODES: 14338 - UnprovableResult [Line: 2307]: 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 927#(and (= main_~__VERIFIER_assert__cond~152 0) (= main_~__VERIFIER_assert__cond~152 main_~__tmp_153~0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_153~0) (< main_~main__j~0 8)). Possible FailurePath: - UnprovableResult [Line: 1998]: 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 1095#(= main_~__VERIFIER_assert__cond~135 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...