/usr/bin/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/array-examples/sanfoundry_02_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:14:39,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:14:39,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:14:39,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:14:39,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:14:39,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:14:39,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:14:39,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:14:39,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:14:39,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:14:39,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:14:39,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:14:39,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:14:39,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:14:39,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:14:39,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:14:39,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:14:39,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:14:39,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:14:39,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:14:39,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:14:39,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:14:39,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:14:39,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:14:39,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:14:39,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:14:39,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:14:39,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:14:39,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:14:39,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:14:39,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:14:39,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:14:39,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:14:39,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:14:39,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:14:39,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:14:39,487 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 [2019-11-07 07:14:39,510 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:14:39,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:14:39,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:14:39,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:14:39,513 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:14:39,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:14:39,514 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:14:39,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:14:39,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:14:39,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:14:39,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:14:39,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:14:39,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:14:39,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:14:39,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:14:39,517 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:14:39,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:14:39,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:14:39,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:14:39,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:14:39,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:14:39,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:14:39,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:14:39,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:14:39,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:14:39,519 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:14:39,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:14:39,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:14:39,519 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 [2019-11-07 07:14:39,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:14:39,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:14:39,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:14:39,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:14:39,809 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:14:39,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_02_ground.i [2019-11-07 07:14:39,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83639600f/d62c1a886c8d492f8314b056f5c9a11e/FLAGb5075ebc7 [2019-11-07 07:14:40,359 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:14:40,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_02_ground.i [2019-11-07 07:14:40,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83639600f/d62c1a886c8d492f8314b056f5c9a11e/FLAGb5075ebc7 [2019-11-07 07:14:40,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83639600f/d62c1a886c8d492f8314b056f5c9a11e [2019-11-07 07:14:40,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:14:40,795 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:14:40,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:40,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:14:40,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:14:40,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:40" (1/1) ... [2019-11-07 07:14:40,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551dc4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:40, skipping insertion in model container [2019-11-07 07:14:40,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:14:40" (1/1) ... [2019-11-07 07:14:40,811 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:14:40,829 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:14:41,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:41,024 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:14:41,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:14:41,064 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:14:41,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41 WrapperNode [2019-11-07 07:14:41,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:14:41,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:14:41,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:14:41,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:14:41,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:14:41,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:14:41,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:14:41,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:14:41,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:14:41" (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 [2019-11-07 07:14:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:14:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:14:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 07:14:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:14:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:14:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 07:14:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:14:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:14:41,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:14:41,766 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 07:14:41,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:41 BoogieIcfgContainer [2019-11-07 07:14:41,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:14:41,768 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 07:14:41,768 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 07:14:41,768 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 07:14:41,769 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:14:41" (1/1) ... [2019-11-07 07:14:41,770 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 [2019-11-07 07:14:41,794 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 07:14:41,795 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 07:14:41,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 07:14:41,813 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 07:14:41,815 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 07:14:41,957 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-11-07 07:14:42,423 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 9 for LOIs [2019-11-07 07:14:42,424 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 07:14:42,438 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 07:14:42,438 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 07:14:42,440 INFO L168 Benchmark]: Toolchain (without parser) took 1645.29 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 101.4 MB in the beginning and 115.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:42,441 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:14:42,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.94 ms. Allocated memory is still 143.7 MB. Free memory was 101.4 MB in the beginning and 90.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:42,443 INFO L168 Benchmark]: Boogie Preprocessor took 117.11 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 90.8 MB in the beginning and 177.2 MB in the end (delta: -86.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:42,444 INFO L168 Benchmark]: RCFGBuilder took 585.01 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 146.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:42,445 INFO L168 Benchmark]: Sifa took 670.48 ms. Allocated memory is still 199.8 MB. Free memory was 146.8 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:14:42,448 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 is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 268.94 ms. Allocated memory is still 143.7 MB. Free memory was 101.4 MB in the beginning and 90.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.11 ms. Allocated memory was 143.7 MB in the beginning and 199.8 MB in the end (delta: 56.1 MB). Free memory was 90.8 MB in the beginning and 177.2 MB in the end (delta: -86.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 585.01 ms. Allocated memory is still 199.8 MB. Free memory was 177.2 MB in the beginning and 146.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Sifa took 670.48 ms. Allocated memory is still 199.8 MB. Free memory was 146.8 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 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]: 630, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 30, TOOLS_POST_TIME[ms]: 175, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 52, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 213, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 79, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 66, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 9, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 239, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 442, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 441, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 97, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 96, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 91, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 2]: 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 103#(and (<= 0 |__VERIFIER_assert_#in~cond|) (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (<= |__VERIFIER_assert_#in~cond| 1) (= 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...