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/nla-digbench/mannadiv.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:35:05,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:35:05,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:35:05,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:35:05,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:35:05,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:35:05,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:35:05,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:35:05,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:35:05,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:35:05,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:35:05,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:35:05,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:35:05,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:35:05,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:35:05,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:35:05,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:35:05,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:35:05,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:35:05,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:35:05,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:35:05,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:35:05,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:35:05,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:35:05,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:35:05,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:35:05,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:35:05,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:35:05,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:35:05,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:35:05,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:35:05,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:35:05,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:35:05,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:35:05,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:35:05,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:35:05,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:35:05,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:35:05,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:35:05,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:35:05,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:35:05,682 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 06:35:05,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:35:05,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:35:05,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:35:05,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:35:05,710 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:35:05,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:35:05,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:35:05,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:35:05,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:35:05,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:35:05,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:35:05,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:35:05,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:35:05,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:35:05,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:35:05,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:35:05,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:35:05,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:35:05,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:35:05,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:35:05,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:35:05,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:35:05,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:35:05,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:35:05,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:35:05,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:35:05,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:35:05,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:35:05,716 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 06:35:06,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:35:06,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:35:06,054 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:35:06,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:35:06,056 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:35:06,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-10-15 06:35:06,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eefc8504/5fe9bf9f72b147ecac02428a228e6baf/FLAG5b9947daf [2019-10-15 06:35:06,555 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:35:06,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c [2019-10-15 06:35:06,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eefc8504/5fe9bf9f72b147ecac02428a228e6baf/FLAG5b9947daf [2019-10-15 06:35:06,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3eefc8504/5fe9bf9f72b147ecac02428a228e6baf [2019-10-15 06:35:06,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:35:06,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:35:06,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:35:06,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:35:06,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:35:06,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:35:06" (1/1) ... [2019-10-15 06:35:06,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f255249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:06, skipping insertion in model container [2019-10-15 06:35:06,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:35:06" (1/1) ... [2019-10-15 06:35:06,989 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:35:07,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:35:07,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:35:07,170 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:35:07,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:35:07,198 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:35:07,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07 WrapperNode [2019-10-15 06:35:07,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:35:07,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:35:07,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:35:07,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:35:07,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:35:07,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:35:07,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:35:07,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:35:07,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:35:07" (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 06:35:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:35:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:35:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:35:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:35:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:35:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:35:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 06:35:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:35:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:35:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:35:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:35:07,607 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:35:07,608 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:35:07,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:35:07 BoogieIcfgContainer [2019-10-15 06:35:07,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:35:07,611 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:35:07,611 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:35:07,612 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:35:07,613 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:35:07" (1/1) ... [2019-10-15 06:35:07,614 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 06:35:07,667 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:35:07,667 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:35:07,675 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:35:07,699 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:35:07,702 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:35:07,792 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:35:08,252 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-10-15 06:35:08,277 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:35:08,293 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:35:08,294 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:35:08,297 INFO L168 Benchmark]: Toolchain (without parser) took 1322.48 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 100.9 MB in the beginning and 135.9 MB in the end (delta: -34.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,298 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.51 ms. Allocated memory is still 143.7 MB. Free memory was 100.7 MB in the beginning and 91.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,300 INFO L168 Benchmark]: Boogie Preprocessor took 109.30 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 91.2 MB in the beginning and 178.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,301 INFO L168 Benchmark]: RCFGBuilder took 301.60 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 165.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,302 INFO L168 Benchmark]: Sifa took 683.07 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 135.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:35:08,306 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.51 ms. Allocated memory is still 143.7 MB. Free memory was 100.7 MB in the beginning and 91.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.30 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 91.2 MB in the beginning and 178.9 MB in the end (delta: -87.7 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.60 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 165.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Sifa took 683.07 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 135.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 608, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 19, TOOLS_POST_TIME[ms]: 46, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 60, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 14, TOOLS_QUANTIFIERELIM_APPLICATIONS: 30, TOOLS_QUANTIFIERELIM_TIME[ms]: 99, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 29, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 302, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 64, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 15, 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: 2, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 80, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 80, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 68, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 13]: 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 77#(and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (or (and (= |__VERIFIER_assert_#in~cond| 1) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...