/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/nla-digbench-scaling/sqrt1-ll_valuebound2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-23 02:06:24,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 02:06:24,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 02:06:24,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 02:06:24,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 02:06:24,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 02:06:24,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 02:06:24,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 02:06:24,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 02:06:24,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 02:06:24,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 02:06:24,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 02:06:24,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 02:06:24,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 02:06:24,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 02:06:24,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 02:06:24,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 02:06:24,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 02:06:24,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 02:06:24,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 02:06:24,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 02:06:24,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 02:06:24,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 02:06:24,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 02:06:24,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 02:06:24,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 02:06:24,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 02:06:24,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 02:06:24,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 02:06:24,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 02:06:24,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 02:06:24,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 02:06:24,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 02:06:24,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 02:06:24,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 02:06:24,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 02:06:24,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 02:06:24,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 02:06:24,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 02:06:24,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 02:06:24,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 02:06:24,164 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 02:06:24,187 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 02:06:24,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 02:06:24,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 02:06:24,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 02:06:24,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 02:06:24,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 02:06:24,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 02:06:24,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 02:06:24,190 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 02:06:24,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 02:06:24,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 02:06:24,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 02:06:24,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 02:06:24,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 02:06:24,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 02:06:24,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 02:06:24,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 02:06:24,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-23 02:06:24,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 02:06:24,194 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-23 02:06:24,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-23 02:06:24,194 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-23 02:06:24,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-23 02:06:24,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 02:06:24,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 02:06:24,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 02:06:24,437 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 02:06:24,438 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 02:06:24,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-03-23 02:06:25,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 02:06:25,680 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 02:06:25,680 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2023-03-23 02:06:25,684 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4fdae3f/85c4b66a15394def86618bdd03fd9906/FLAGa11b2f3a1 [2023-03-23 02:06:25,694 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4fdae3f/85c4b66a15394def86618bdd03fd9906 [2023-03-23 02:06:25,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 02:06:25,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-23 02:06:25,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 02:06:25,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 02:06:25,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 02:06:25,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d266f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25, skipping insertion in model container [2023-03-23 02:06:25,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 02:06:25,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 02:06:25,845 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/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2023-03-23 02:06:25,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 02:06:25,866 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 02:06:25,874 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/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2023-03-23 02:06:25,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 02:06:25,895 INFO L208 MainTranslator]: Completed translation [2023-03-23 02:06:25,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25 WrapperNode [2023-03-23 02:06:25,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 02:06:25,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 02:06:25,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 02:06:25,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 02:06:25,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,919 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 02:06:25,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 02:06:25,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 02:06:25,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 02:06:25,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 02:06:25" (1/1) ... [2023-03-23 02:06:25,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 02:06:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 02:06:25,950 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 02:06:25,956 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 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-23 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-23 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-23 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-23 02:06:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 02:06:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 02:06:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 02:06:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 02:06:26,019 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 02:06:26,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 02:06:26,227 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 02:06:26,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 02:06:26,250 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-23 02:06:26,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 02:06:26 BoogieIcfgContainer [2023-03-23 02:06:26,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 02:06:26,252 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-23 02:06:26,252 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-23 02:06:26,252 INFO L275 PluginConnector]: Sifa initialized [2023-03-23 02:06:26,253 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 02:06:26" (1/1) ... [2023-03-23 02:06:26,253 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 02:06:26,395 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-23 02:06:26,395 INFO L166 IcfgInterpreter]: Building call graph [2023-03-23 02:06:26,399 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-23 02:06:26,403 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-23 02:06:26,404 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-23 02:06:26,669 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-23 02:06:27,525 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 for LOIs [2023-03-23 02:06:27,526 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-23 02:06:27,536 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2023-03-23 02:06:27,536 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2023-03-23 02:06:27,537 INFO L158 Benchmark]: Toolchain (without parser) took 1840.33ms. Allocated memory is still 346.0MB. Free memory was 294.3MB in the beginning and 130.6MB in the end (delta: 163.7MB). Peak memory consumption was 165.1MB. Max. memory is 8.0GB. [2023-03-23 02:06:27,537 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 02:06:27,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.15ms. Allocated memory is still 346.0MB. Free memory was 293.9MB in the beginning and 283.8MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-23 02:06:27,539 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 346.0MB. Free memory was 283.8MB in the beginning and 282.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-23 02:06:27,540 INFO L158 Benchmark]: RCFGBuilder took 329.83ms. Allocated memory is still 346.0MB. Free memory was 282.4MB in the beginning and 271.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-23 02:06:27,543 INFO L158 Benchmark]: Sifa took 1284.35ms. Allocated memory is still 346.0MB. Free memory was 271.6MB in the beginning and 130.6MB in the end (delta: 141.0MB). Peak memory consumption was 142.0MB. Max. memory is 8.0GB. [2023-03-23 02:06:27,546 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 189.8MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 198.15ms. Allocated memory is still 346.0MB. Free memory was 293.9MB in the beginning and 283.8MB in the end (delta: 10.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 346.0MB. Free memory was 283.8MB in the beginning and 282.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 329.83ms. Allocated memory is still 346.0MB. Free memory was 282.4MB in the beginning and 271.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Sifa took 1284.35ms. Allocated memory is still 346.0MB. Free memory was 271.6MB in the beginning and 130.6MB in the end (delta: 141.0MB). Peak memory consumption was 142.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME: 1.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME: 0.3s, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 15, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 67, TOOLS_QUANTIFIERELIM_TIME: 0.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 63, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 15, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.3s, 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: 173, DAG_COMPRESSION_RETAINED_NODES: 59 - UnprovableResult [Line: 14]: 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 95#(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 02:06:27,563 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...