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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 06:58:18,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 06:58:18,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 06:58:18,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 06:58:18,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 06:58:18,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 06:58:18,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 06:58:18,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 06:58:18,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 06:58:18,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 06:58:18,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 06:58:18,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 06:58:18,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 06:58:18,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 06:58:18,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 06:58:18,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 06:58:18,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 06:58:18,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 06:58:18,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 06:58:18,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 06:58:18,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 06:58:18,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 06:58:18,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 06:58:18,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 06:58:18,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 06:58:18,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 06:58:18,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 06:58:18,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 06:58:18,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 06:58:18,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 06:58:18,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 06:58:18,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 06:58:18,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 06:58:18,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 06:58:18,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 06:58:18,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 06:58:18,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 06:58:18,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 06:58:18,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 06:58:18,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 06:58:18,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 06:58:18,197 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 06:58:18,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 06:58:18,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 06:58:18,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 06:58:18,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 06:58:18,214 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 06:58:18,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 06:58:18,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 06:58:18,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 06:58:18,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 06:58:18,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 06:58:18,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 06:58:18,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 06:58:18,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 06:58:18,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 06:58:18,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 06:58:18,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 06:58:18,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 06:58:18,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 06:58:18,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 06:58:18,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 06:58:18,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 06:58:18,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 06:58:18,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 06:58:18,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 06:58:18,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 06:58:18,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 06:58:18,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 06:58:18,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 06:58:18,218 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 06:58:18,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 06:58:18,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 06:58:18,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 06:58:18,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 06:58:18,276 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 06:58:18,277 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c [2019-09-19 06:58:18,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339aadc9f/eff7ea4647464db58b56626bfa92c43f/FLAGb7ecf11f0 [2019-09-19 06:58:18,805 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 06:58:18,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_2-2.c [2019-09-19 06:58:18,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339aadc9f/eff7ea4647464db58b56626bfa92c43f/FLAGb7ecf11f0 [2019-09-19 06:58:19,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339aadc9f/eff7ea4647464db58b56626bfa92c43f [2019-09-19 06:58:19,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 06:58:19,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 06:58:19,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 06:58:19,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 06:58:19,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 06:58:19,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d3230d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19, skipping insertion in model container [2019-09-19 06:58:19,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 06:58:19,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 06:58:19,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:58:19,415 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 06:58:19,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:58:19,442 INFO L192 MainTranslator]: Completed translation [2019-09-19 06:58:19,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19 WrapperNode [2019-09-19 06:58:19,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 06:58:19,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 06:58:19,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 06:58:19,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 06:58:19,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 06:58:19,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 06:58:19,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 06:58:19,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 06:58:19,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:58:19" (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 06:58:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 06:58:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 06:58:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-19 06:58:19,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 06:58:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 06:58:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 06:58:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 06:58:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 06:58:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 06:58:19,769 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 06:58:19,770 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-19 06:58:19,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:58:19 BoogieIcfgContainer [2019-09-19 06:58:19,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 06:58:19,772 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 06:58:19,772 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 06:58:19,772 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 06:58:19,774 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:58:19" (1/1) ... [2019-09-19 06:58:19,774 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 06:58:19,794 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 06:58:19,794 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 06:58:19,801 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 06:58:19,810 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 06:58:19,811 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 06:58:19,862 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-19 06:58:20,212 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-19 06:58:20,232 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 06:58:20,232 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 06:58:20,234 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 32#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-19 06:58:20,247 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 06:58:20,247 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 06:58:20,252 INFO L168 Benchmark]: Toolchain (without parser) took 1029.49 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 139.2 MB in the end (delta: -49.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:20,253 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 06:58:20,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.40 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 80.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:20,255 INFO L168 Benchmark]: Boogie Preprocessor took 108.41 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.0 MB in the beginning and 177.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:20,255 INFO L168 Benchmark]: RCFGBuilder took 218.97 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:20,256 INFO L168 Benchmark]: Sifa took 475.78 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 139.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-19 06:58:20,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 133.7 MB. Free memory is still 107.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 222.40 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 80.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.41 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.0 MB in the beginning and 177.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.97 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Sifa took 475.78 ms. Allocated memory is still 200.3 MB. Free memory was 165.8 MB in the beginning and 139.2 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 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]: 440, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 23, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 30, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 189, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 139, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 335, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 334, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 5]: 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 32#(and (= 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...