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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem03_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:59:34,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:59:34,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:59:34,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:59:34,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:59:34,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:59:34,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:59:34,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:59:34,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:59:34,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:59:34,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:59:34,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:59:34,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:59:34,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:59:34,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:59:34,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:59:34,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:59:34,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:59:34,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:59:34,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:59:34,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:59:34,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:59:34,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:59:34,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:59:34,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:59:34,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:59:34,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:59:34,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:59:34,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:59:34,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:59:34,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:59:34,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:59:34,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:59:34,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:59:34,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:59:34,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:59:34,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:59:34,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:59:34,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:59:34,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:59:34,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:59:34,227 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 [2019-10-15 04:59:34,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:59:34,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:59:34,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:59:34,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:59:34,259 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:59:34,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:59:34,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:59:34,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:59:34,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:59:34,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:59:34,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:59:34,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:59:34,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:59:34,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:59:34,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:59:34,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:59:34,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:59:34,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:59:34,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:59:34,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:59:34,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:59:34,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:59:34,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:59:34,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:59:34,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:59:34,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:59:34,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:59:34,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:59:34,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 04:59:34,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:59:34,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:59:34,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:59:34,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:59:34,552 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:59:34,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2019-10-15 04:59:34,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1714ce94/341523d1ba584f81b74a64214746131b/FLAGa176169b1 [2019-10-15 04:59:35,291 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:59:35,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2019-10-15 04:59:35,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1714ce94/341523d1ba584f81b74a64214746131b/FLAGa176169b1 [2019-10-15 04:59:35,484 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1714ce94/341523d1ba584f81b74a64214746131b [2019-10-15 04:59:35,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:59:35,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:59:35,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:35,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:59:35,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:59:35,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6332a30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:35, skipping insertion in model container [2019-10-15 04:59:35,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:35" (1/1) ... [2019-10-15 04:59:35,513 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:59:35,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:59:36,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:36,408 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:59:36,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:36,766 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:59:36,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36 WrapperNode [2019-10-15 04:59:36,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:36,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:59:36,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:59:36,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:59:36,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (1/1) ... [2019-10-15 04:59:36,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:59:36,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:59:36,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:59:36,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:59:36,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:36" (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 [2019-10-15 04:59:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:59:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:59:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:59:37,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:59:37,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:59:37,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:59:40,058 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:59:40,058 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:59:40,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:40 BoogieIcfgContainer [2019-10-15 04:59:40,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:59:40,065 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:59:40,065 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:59:40,065 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:59:40,066 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:40" (1/1) ... [2019-10-15 04:59:40,070 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-10-15 04:59:40,107 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:59:40,108 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:59:40,131 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:59:40,142 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:59:40,143 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:59:40,400 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-10-15 04:59:40,676 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 210 for LOIs [2019-10-15 04:59:42,359 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-15 04:59:42,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-15 04:59:42,438 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-15 04:59:42,553 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-10-15 04:59:42,563 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 38 [2019-10-15 04:59:45,644 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 155 for LOIs [2019-10-15 04:59:51,510 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-15 04:59:51,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 23 [2019-10-15 04:59:51,651 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:59:51,670 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:59:51,670 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:59:51,672 INFO L168 Benchmark]: Toolchain (without parser) took 16175.28 ms. Allocated memory was 137.9 MB in the beginning and 709.9 MB in the end (delta: 572.0 MB). Free memory was 96.1 MB in the beginning and 323.7 MB in the end (delta: -227.6 MB). Peak memory consumption was 344.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,673 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.54 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 95.7 MB in the beginning and 130.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,675 INFO L168 Benchmark]: Boogie Preprocessor took 189.61 ms. Allocated memory is still 207.1 MB. Free memory was 130.7 MB in the beginning and 119.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,676 INFO L168 Benchmark]: RCFGBuilder took 3105.77 ms. Allocated memory was 207.1 MB in the beginning and 312.0 MB in the end (delta: 104.9 MB). Free memory was 119.2 MB in the beginning and 262.7 MB in the end (delta: -143.6 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,677 INFO L168 Benchmark]: Sifa took 11605.38 ms. Allocated memory was 312.0 MB in the beginning and 709.9 MB in the end (delta: 397.9 MB). Free memory was 262.7 MB in the beginning and 323.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 336.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:51,682 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 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1270.54 ms. Allocated memory was 137.9 MB in the beginning and 207.1 MB in the end (delta: 69.2 MB). Free memory was 95.7 MB in the beginning and 130.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.61 ms. Allocated memory is still 207.1 MB. Free memory was 130.7 MB in the beginning and 119.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3105.77 ms. Allocated memory was 207.1 MB in the beginning and 312.0 MB in the end (delta: 104.9 MB). Free memory was 119.2 MB in the beginning and 262.7 MB in the end (delta: -143.6 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Sifa took 11605.38 ms. Allocated memory was 312.0 MB in the beginning and 709.9 MB in the end (delta: 397.9 MB). Free memory was 262.7 MB in the beginning and 323.7 MB in the end (delta: -61.0 MB). Peak memory consumption was 336.9 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]: 11544, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 436, TOOLS_POST_TIME[ms]: 299, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 122, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 25, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 305, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 33, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 445, FLUID_YES_ANSWERS: 351, DOMAIN_JOIN_APPLICATIONS: 145, DOMAIN_JOIN_TIME[ms]: 2580, DOMAIN_ALPHA_APPLICATIONS: 351, DOMAIN_ALPHA_TIME[ms]: 7884, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 150, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 140, DOMAIN_ISBOTTOM_TIME[ms]: 227, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 440, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 440, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4656, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4655, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 19, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 60, DAG_COMPRESSION_PROCESSED_NODES: 2361, DAG_COMPRESSION_RETAINED_NODES: 314 - UnprovableResult [Line: 1533]: 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 21836#(and (<= ~b~0 2) (<= 21 ~u~0) (<= 1 ~a3~0) (not (= ~a26~0 1)) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 ~a5~0) (= 1 ~a5~0) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (not (= ~a11~0 1)) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a6~0) (<= ~a18~0 1) (<= ~a6~0 1) (<= 1 ~a18~0) (<= ~w~0 23) (<= 5 ~e~0) (<= ~a~0 1) (<= ~d~0 4) (<= ~a3~0 1) (= ~a18~0 1) (= 1 ~a6~0) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~a5~0 1) (= 1 ~a3~0) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...