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/ldv-regression/test28-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:30:08,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:30:08,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:30:08,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:30:08,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:30:08,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:30:08,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:30:08,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:30:08,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:30:08,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:30:08,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:30:08,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:30:08,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:30:08,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:30:08,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:30:08,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:30:08,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:30:08,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:30:08,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:30:08,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:30:08,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:30:08,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:30:08,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:30:08,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:30:08,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:30:08,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:30:08,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:30:08,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:30:08,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:30:08,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:30:08,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:30:08,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:30:08,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:30:08,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:30:08,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:30:08,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:30:08,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:30:08,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:30:08,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:30:08,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:30:08,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:30:08,295 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 06:30:08,318 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:30:08,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:30:08,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:30:08,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:30:08,320 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:30:08,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:30:08,321 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:30:08,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:30:08,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:30:08,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:30:08,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:30:08,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:30:08,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:30:08,323 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:30:08,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:30:08,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:30:08,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:30:08,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:30:08,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:30:08,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:30:08,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:30:08,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:30:08,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:30:08,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:30:08,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:30:08,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:30:08,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:30:08,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:30:08,327 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 06:30:08,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:30:08,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:30:08,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:30:08,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:30:08,615 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:30:08,616 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test28-2.c [2019-10-15 06:30:08,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7069d9d51/4a76ee6df0db4256b0f68c6fe7833129/FLAG20fe7e629 [2019-10-15 06:30:09,123 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:30:09,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test28-2.c [2019-10-15 06:30:09,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7069d9d51/4a76ee6df0db4256b0f68c6fe7833129/FLAG20fe7e629 [2019-10-15 06:30:09,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7069d9d51/4a76ee6df0db4256b0f68c6fe7833129 [2019-10-15 06:30:09,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:30:09,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:30:09,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:09,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:30:09,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:30:09,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596ca61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09, skipping insertion in model container [2019-10-15 06:30:09,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,536 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:30:09,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:30:09,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:09,771 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:30:09,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:30:09,808 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:30:09,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09 WrapperNode [2019-10-15 06:30:09,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:30:09,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:30:09,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:30:09,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:30:09,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (1/1) ... [2019-10-15 06:30:09,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:30:09,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:30:09,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:30:09,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:30:09,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:30:09" (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 06:30:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:30:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:30:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:30:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:30:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:30:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:30:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:30:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:30:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:30:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:30:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:30:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:30:10,388 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:30:10,388 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:30:10,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:10 BoogieIcfgContainer [2019-10-15 06:30:10,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:30:10,391 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:30:10,391 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:30:10,392 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:30:10,393 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:30:10" (1/1) ... [2019-10-15 06:30:10,393 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 06:30:10,417 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:30:10,418 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:30:10,425 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:30:10,434 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:30:10,435 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:30:10,599 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-10-15 06:30:10,777 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:30:10,793 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:30:10,794 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:30:10,796 INFO L168 Benchmark]: Toolchain (without parser) took 1278.78 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 103.3 MB in the beginning and 143.1 MB in the end (delta: -39.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,803 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.66 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,807 INFO L168 Benchmark]: Boogie Preprocessor took 122.18 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.1 MB in the beginning and 179.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,808 INFO L168 Benchmark]: RCFGBuilder took 458.54 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 159.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,809 INFO L168 Benchmark]: Sifa took 402.98 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 143.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-15 06:30:10,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.66 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.18 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.1 MB in the beginning and 179.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.54 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 159.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Sifa took 402.98 ms. Allocated memory is still 201.9 MB. Free memory was 159.1 MB in the beginning and 143.1 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 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]: 360, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 97, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 16, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 7, TOOLS_QUANTIFIERELIM_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 82, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 6, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 189, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 115, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 115, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 18 - UnprovableResult [Line: 26]: 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 21#(and (= |#NULL.base| 0) (<= main_~n~0 2147483647) (= |main_~#d1~0.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 (+ main_~n~0 2147483648)) (<= 0 |main_~#d1~0.offset|) (= |main_~#d2~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |main_~#d1~0.offset| 0) (<= 0 main_~pd~0.offset) (<= main_~pd~0.offset 0) (<= 0 |main_~#d2~0.offset|) (<= |main_~#d2~0.offset| 0) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...