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/loops/sum01_bug02_sum01_bug02_base.case.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:47,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:47,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:47,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:47,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:47,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:47,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:47,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:47,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:47,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:47,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:47,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:47,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:47,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:47,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:47,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:47,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:47,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:47,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:47,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:47,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:47,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:47,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:47,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:47,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:47,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:47,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:47,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:47,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:47,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:47,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:47,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:47,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:47,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:47,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:47,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:47,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:47,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:47,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:47,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:47,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:47,574 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 06:34:47,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:47,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:47,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:47,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:47,590 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:47,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:47,590 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:47,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:47,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:47,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:47,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:47,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:47,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:47,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:47,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:47,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:47,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:47,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:47,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:47,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:47,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:47,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:47,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:47,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:47,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:47,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:47,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:47,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:47,595 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 06:34:47,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:47,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:47,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:47,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:47,909 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:47,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-10-15 06:34:47,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdfd024cb/75385fa9033a49abbd184738439eb52a/FLAGcc976dfd7 [2019-10-15 06:34:48,459 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:48,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-10-15 06:34:48,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdfd024cb/75385fa9033a49abbd184738439eb52a/FLAGcc976dfd7 [2019-10-15 06:34:48,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdfd024cb/75385fa9033a49abbd184738439eb52a [2019-10-15 06:34:48,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:48,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:48,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:48,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:48,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:48,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:48" (1/1) ... [2019-10-15 06:34:48,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8f9260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:48, skipping insertion in model container [2019-10-15 06:34:48,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:48" (1/1) ... [2019-10-15 06:34:48,866 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:48,883 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:49,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:49,080 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:49,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:49,105 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:49,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49 WrapperNode [2019-10-15 06:34:49,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:49,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:49,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:49,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:49,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:49,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:49,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:49,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:49,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:49" (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 06:34:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 06:34:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:49,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:34:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 06:34:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:49,505 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:49,505 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 06:34:49,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:49 BoogieIcfgContainer [2019-10-15 06:34:49,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:49,514 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:49,515 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:49,518 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:49,520 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:49" (1/1) ... [2019-10-15 06:34:49,521 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 06:34:49,551 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:34:49,552 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:49,559 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:49,576 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:49,581 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:49,673 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-10-15 06:34:49,838 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-10-15 06:34:49,881 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:49,899 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:49,899 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:49,902 INFO L168 Benchmark]: Toolchain (without parser) took 1051.91 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 102.4 MB in the beginning and 150.9 MB in the end (delta: -48.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,906 INFO L168 Benchmark]: CDTParser took 1.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.26 ms. Allocated memory is still 144.7 MB. Free memory was 102.2 MB in the beginning and 93.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,912 INFO L168 Benchmark]: Boogie Preprocessor took 111.47 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 92.8 MB in the beginning and 179.5 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,913 INFO L168 Benchmark]: RCFGBuilder took 289.35 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 166.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,917 INFO L168 Benchmark]: Sifa took 384.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 150.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:49,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.26 ms. Allocated memory is still 144.7 MB. Free memory was 102.2 MB in the beginning and 93.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.47 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 92.8 MB in the beginning and 179.5 MB in the end (delta: -86.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.35 ms. Allocated memory is still 200.8 MB. Free memory was 179.5 MB in the beginning and 166.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 384.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.2 MB in the beginning and 150.9 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 330, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 80, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 14, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 80, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 117, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 12, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 128, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 128, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, 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 46#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) (and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...