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 -i ../../../trunk/examples/svcomp/nla-digbench/egcd.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:38:14,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:38:14,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:38:14,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:38:14,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:38:14,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:38:14,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:38:14,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:38:14,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:38:14,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:38:14,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:38:14,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:38:14,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:38:14,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:38:14,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:38:14,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:38:14,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:38:14,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:38:14,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:38:14,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:38:14,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:38:14,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:38:14,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:38:14,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:38:14,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:38:14,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:38:14,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:38:14,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:38:14,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:38:14,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:38:14,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:38:14,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:38:14,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:38:14,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:38:14,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:38:14,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:38:14,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:38:14,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:38:14,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:38:14,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:38:14,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:38:14,291 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 15:38:14,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:38:14,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:38:14,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:38:14,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:38:14,307 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:38:14,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:38:14,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:38:14,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:38:14,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:38:14,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:38:14,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:38:14,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:38:14,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:38:14,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:38:14,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:38:14,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:38:14,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:38:14,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:38:14,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:38:14,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:38:14,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:38:14,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:38:14,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:38:14,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:38:14,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:38:14,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:38:14,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:38:14,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:38:14,312 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 [2019-09-25 15:38:14,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:38:14,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:38:14,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:38:14,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:38:14,380 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:38:14,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-25 15:38:14,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb4874c/6d4bcf8ef8704dce860a6e90e5e50f60/FLAGcbe2fddac [2019-09-25 15:38:14,915 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:38:14,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/egcd.c [2019-09-25 15:38:14,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb4874c/6d4bcf8ef8704dce860a6e90e5e50f60/FLAGcbe2fddac [2019-09-25 15:38:15,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb4874c/6d4bcf8ef8704dce860a6e90e5e50f60 [2019-09-25 15:38:15,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:38:15,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:38:15,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:38:15,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:38:15,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:38:15,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae0ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15, skipping insertion in model container [2019-09-25 15:38:15,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:38:15,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:38:15,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:38:15,567 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:38:15,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:38:15,600 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:38:15,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15 WrapperNode [2019-09-25 15:38:15,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:38:15,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:38:15,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:38:15,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:38:15,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (1/1) ... [2019-09-25 15:38:15,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:38:15,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:38:15,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:38:15,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:38:15,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:38:15" (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 15:38:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:38:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:38:15,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-25 15:38:15,784 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:38:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:38:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:38:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 15:38:15,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:38:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:38:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:38:15,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:38:16,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:38:16,107 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 15:38:16,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:38:16 BoogieIcfgContainer [2019-09-25 15:38:16,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:38:16,109 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:38:16,109 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:38:16,109 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:38:16,116 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:38:16" (1/1) ... [2019-09-25 15:38:16,117 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:38:16,135 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 15:38:16,135 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:38:16,143 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:38:16,152 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:38:16,154 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:38:16,237 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-25 15:38:17,226 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-25 15:38:17,230 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:38:17,232 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:38:17,234 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 126#(or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) [2019-09-25 15:38:17,260 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:38:17,260 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:38:17,264 INFO L168 Benchmark]: Toolchain (without parser) took 1927.35 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 87.9 MB in the beginning and 107.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,266 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.81 ms. Allocated memory is still 140.5 MB. Free memory was 87.5 MB in the beginning and 77.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,270 INFO L168 Benchmark]: Boogie Preprocessor took 115.46 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 77.8 MB in the beginning and 176.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,272 INFO L168 Benchmark]: RCFGBuilder took 391.16 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,274 INFO L168 Benchmark]: Sifa took 1151.97 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 107.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:38:17,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.81 ms. Allocated memory is still 140.5 MB. Free memory was 87.5 MB in the beginning and 77.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.46 ms. Allocated memory was 140.5 MB in the beginning and 199.2 MB in the end (delta: 58.7 MB). Free memory was 77.8 MB in the beginning and 176.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 391.16 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.9 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. * Sifa took 1151.97 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 107.6 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 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]: 1099, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 53, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 22, TOOLS_POST_TIME[ms]: 49, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME[ms]: 551, TOOLS_POST_RETURN_APPLICATIONS: 21, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 608, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 197, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 16, DOMAIN_JOIN_TIME[ms]: 223, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 70, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 13, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 692, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 692, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 21, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 61, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 61, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 61 - UnprovableResult [Line: 8]: 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 126#(or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...