/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loops/ludcmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-23 01:57:12,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 01:57:12,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 01:57:12,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 01:57:12,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 01:57:12,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 01:57:12,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 01:57:12,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 01:57:12,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 01:57:12,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 01:57:12,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 01:57:12,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 01:57:12,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 01:57:12,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 01:57:12,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 01:57:12,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 01:57:12,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 01:57:12,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 01:57:12,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 01:57:12,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 01:57:12,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 01:57:12,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 01:57:12,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 01:57:12,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 01:57:12,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 01:57:12,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 01:57:12,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 01:57:12,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 01:57:12,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 01:57:12,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 01:57:12,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 01:57:12,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 01:57:12,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 01:57:12,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 01:57:12,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 01:57:12,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 01:57:12,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 01:57:12,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 01:57:12,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 01:57:12,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 01:57:12,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 01:57:12,067 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 [2023-03-23 01:57:12,093 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 01:57:12,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 01:57:12,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 01:57:12,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 01:57:12,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 01:57:12,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 01:57:12,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 01:57:12,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 01:57:12,097 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 01:57:12,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 01:57:12,097 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 01:57:12,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 01:57:12,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:57:12,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 01:57:12,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-23 01:57:12,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 01:57:12,100 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-23 01:57:12,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-23 01:57:12,100 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-23 01:57:12,100 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-23 01:57:12,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 01:57:12,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 01:57:12,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 01:57:12,309 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 01:57:12,309 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 01:57:12,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/ludcmp.c [2023-03-23 01:57:13,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 01:57:13,483 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 01:57:13,484 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c [2023-03-23 01:57:13,488 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e27b541f/ecaae641c28547eb9d1d9a6943fe5f0a/FLAGae9b42fd3 [2023-03-23 01:57:13,499 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e27b541f/ecaae641c28547eb9d1d9a6943fe5f0a [2023-03-23 01:57:13,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 01:57:13,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-23 01:57:13,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 01:57:13,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 01:57:13,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 01:57:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d581400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13, skipping insertion in model container [2023-03-23 01:57:13,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 01:57:13,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 01:57:13,634 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c[318,331] [2023-03-23 01:57:13,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:57:13,666 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 01:57:13,674 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/ludcmp.c[318,331] [2023-03-23 01:57:13,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 01:57:13,707 INFO L208 MainTranslator]: Completed translation [2023-03-23 01:57:13,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13 WrapperNode [2023-03-23 01:57:13,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 01:57:13,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 01:57:13,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 01:57:13,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 01:57:13,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 01:57:13,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 01:57:13,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 01:57:13,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 01:57:13,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 01:57:13" (1/1) ... [2023-03-23 01:57:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 01:57:13,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 01:57:13,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 01:57:13,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 01:57:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-23 01:57:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 01:57:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-23 01:57:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-23 01:57:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2023-03-23 01:57:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-23 01:57:13,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2023-03-23 01:57:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 01:57:13,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 01:57:13,865 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 01:57:13,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 01:57:14,133 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 01:57:14,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 01:57:14,143 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-03-23 01:57:14,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:57:14 BoogieIcfgContainer [2023-03-23 01:57:14,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 01:57:14,157 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-23 01:57:14,157 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-23 01:57:14,157 INFO L275 PluginConnector]: Sifa initialized [2023-03-23 01:57:14,158 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 01:57:14" (1/1) ... [2023-03-23 01:57:14,159 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-23 01:57:14,203 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-23 01:57:14,203 INFO L166 IcfgInterpreter]: Building call graph [2023-03-23 01:57:14,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-23 01:57:14,212 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-23 01:57:14,213 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-23 01:57:14,486 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 82 for LOIs [2023-03-23 01:57:15,184 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2023-03-23 01:57:15,187 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-23 01:57:15,196 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-23 01:57:15,197 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-23 01:57:15,197 INFO L158 Benchmark]: Toolchain (without parser) took 1694.87ms. Allocated memory is still 307.2MB. Free memory was 257.2MB in the beginning and 208.5MB in the end (delta: 48.8MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2023-03-23 01:57:15,198 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 134.5MB in the beginning and 134.3MB in the end (delta: 150.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 01:57:15,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.55ms. Allocated memory is still 307.2MB. Free memory was 256.7MB in the beginning and 244.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-03-23 01:57:15,202 INFO L158 Benchmark]: Boogie Preprocessor took 38.30ms. Allocated memory is still 307.2MB. Free memory was 244.6MB in the beginning and 242.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 01:57:15,203 INFO L158 Benchmark]: RCFGBuilder took 407.56ms. Allocated memory is still 307.2MB. Free memory was 242.5MB in the beginning and 223.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-23 01:57:15,203 INFO L158 Benchmark]: Sifa took 1039.57ms. Allocated memory is still 307.2MB. Free memory was 223.7MB in the beginning and 208.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-23 01:57:15,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 134.5MB in the beginning and 134.3MB in the end (delta: 150.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.55ms. Allocated memory is still 307.2MB. Free memory was 256.7MB in the beginning and 244.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.30ms. Allocated memory is still 307.2MB. Free memory was 244.6MB in the beginning and 242.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 407.56ms. Allocated memory is still 307.2MB. Free memory was 242.5MB in the beginning and 223.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Sifa took 1039.57ms. Allocated memory is still 307.2MB. Free memory was 223.7MB in the beginning and 208.5MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 17, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 59, TOOLS_POST_TIME: 0.4s, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME: 0.6s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 83, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 17, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 175, DAG_COMPRESSION_RETAINED_NODES: 72 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Over-approximation of reachable states at this location is 91#(and (= |__VERIFIER_assert_#in~cond| 0) (= __VERIFIER_assert_~cond 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-03-23 01:57:15,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...