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 SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:02:02,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:02:02,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:02:02,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:02:02,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:02:02,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:02:02,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:02:02,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:02:02,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:02:02,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:02:02,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:02:02,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:02:02,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:02:02,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:02:02,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:02:02,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:02:02,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:02:02,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:02:02,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:02:02,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:02:02,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:02:02,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:02:02,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:02:02,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:02:02,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:02:02,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:02:02,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:02:02,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:02:02,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:02:02,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:02:02,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:02:02,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:02:02,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:02:02,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:02:02,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:02:02,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:02:02,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:02:02,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:02:02,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:02:02,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:02:02,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:02:02,280 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 [2019-09-25 17:02:02,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:02:02,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:02:02,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:02:02,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:02:02,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:02:02,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:02:02,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:02:02,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:02:02,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:02:02,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:02:02,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:02:02,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:02:02,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:02:02,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:02:02,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:02:02,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:02:02,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:02:02,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:02:02,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:02:02,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:02:02,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:02:02,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:02:02,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:02:02,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:02:02,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:02:02,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:02:02,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:02:02,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:02:02,302 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:02:02,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:02:02,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:02:02,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:02:02,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:02:02,376 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:02:02,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-25 17:02:02,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98a9b8ad/c2b4958f5d164a5f93ce7b3290a86179/FLAG280f7e0af [2019-09-25 17:02:03,008 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:02:03,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.p+sep-reducer.c [2019-09-25 17:02:03,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98a9b8ad/c2b4958f5d164a5f93ce7b3290a86179/FLAG280f7e0af [2019-09-25 17:02:03,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98a9b8ad/c2b4958f5d164a5f93ce7b3290a86179 [2019-09-25 17:02:03,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:02:03,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:02:03,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:03,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:02:03,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:02:03,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:03" (1/1) ... [2019-09-25 17:02:03,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8ca315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:03, skipping insertion in model container [2019-09-25 17:02:03,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:03" (1/1) ... [2019-09-25 17:02:03,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:02:03,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:04,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:04,015 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:04,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:04,225 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:04,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04 WrapperNode [2019-09-25 17:02:04,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:04,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:04,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:04,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:04,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (1/1) ... [2019-09-25 17:02:04,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:04,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:04,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:04,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:04,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:04" (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 [2019-09-25 17:02:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:02:04,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:02:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:04,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:05,982 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:05,983 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:02:05,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:05 BoogieIcfgContainer [2019-09-25 17:02:05,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:05,986 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:05,986 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:05,986 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:05,987 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:05" (1/1) ... [2019-09-25 17:02:05,988 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:02:06,011 INFO L162 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-09-25 17:02:06,012 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:06,022 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:06,032 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:06,033 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:06,158 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-25 17:02:10,256 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:02:10,256 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:02:10,259 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 5977#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))) [2019-09-25 17:02:10,260 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 5545#(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)) [2019-09-25 17:02:10,282 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:02:10,283 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:02:10,286 INFO L168 Benchmark]: Toolchain (without parser) took 6985.79 ms. Allocated memory was 139.5 MB in the beginning and 424.1 MB in the end (delta: 284.7 MB). Free memory was 85.8 MB in the beginning and 171.4 MB in the end (delta: -85.6 MB). Peak memory consumption was 199.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,288 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 926.17 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 85.6 MB in the beginning and 164.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,292 INFO L168 Benchmark]: Boogie Preprocessor took 117.01 ms. Allocated memory is still 202.9 MB. Free memory was 164.8 MB in the beginning and 160.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,293 INFO L168 Benchmark]: RCFGBuilder took 1641.39 ms. Allocated memory was 202.9 MB in the beginning and 226.5 MB in the end (delta: 23.6 MB). Free memory was 160.0 MB in the beginning and 148.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,298 INFO L168 Benchmark]: Sifa took 4297.06 ms. Allocated memory was 226.5 MB in the beginning and 424.1 MB in the end (delta: 197.7 MB). Free memory was 148.9 MB in the beginning and 171.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 175.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:10,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 926.17 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 85.6 MB in the beginning and 164.8 MB in the end (delta: -79.2 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.01 ms. Allocated memory is still 202.9 MB. Free memory was 164.8 MB in the beginning and 160.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1641.39 ms. Allocated memory was 202.9 MB in the beginning and 226.5 MB in the end (delta: 23.6 MB). Free memory was 160.0 MB in the beginning and 148.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 4297.06 ms. Allocated memory was 226.5 MB in the beginning and 424.1 MB in the end (delta: 197.7 MB). Free memory was 148.9 MB in the beginning and 171.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 175.2 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]: 4248, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2572, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2546, TOOLS_POST_TIME[ms]: 837, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2549, TOOLS_QUANTIFIERELIM_TIME[ms]: 485, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 35, FLUID_QUERIES: 2606, FLUID_YES_ANSWERS: 406, DOMAIN_JOIN_APPLICATIONS: 397, DOMAIN_JOIN_TIME[ms]: 1106, DOMAIN_ALPHA_APPLICATIONS: 406, DOMAIN_ALPHA_TIME[ms]: 438, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 40, DOMAIN_ISSUBSETEQ_APPLICATIONS: 34, DOMAIN_ISSUBSETEQ_TIME[ms]: 44, DOMAIN_ISBOTTOM_APPLICATIONS: 301, DOMAIN_ISBOTTOM_TIME[ms]: 488, LOOP_SUMMARIZER_APPLICATIONS: 24, LOOP_SUMMARIZER_CACHE_MISSES: 24, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 377, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 376, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 34, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 58, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 57, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 38, REGEX_TO_DAG_TIME[ms]: 20, DAG_COMPRESSION_TIME[ms]: 950, DAG_COMPRESSION_PROCESSED_NODES: 44649, DAG_COMPRESSION_RETAINED_NODES: 14344 - 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 5977#(and (= main_~__VERIFIER_assert__cond~135 0) (= main_~__VERIFIER_assert__cond~135 main_~__tmp_136~0) (= main_~__tmp_136~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0))). Possible FailurePath: - 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 5545#(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: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...