/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/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 14:10:11,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 14:10:11,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 14:10:12,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 14:10:12,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 14:10:12,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 14:10:12,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 14:10:12,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 14:10:12,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 14:10:12,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 14:10:12,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 14:10:12,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 14:10:12,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 14:10:12,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 14:10:12,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 14:10:12,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 14:10:12,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 14:10:12,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 14:10:12,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 14:10:12,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 14:10:12,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 14:10:12,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 14:10:12,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 14:10:12,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 14:10:12,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 14:10:12,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 14:10:12,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 14:10:12,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 14:10:12,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 14:10:12,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 14:10:12,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 14:10:12,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 14:10:12,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 14:10:12,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 14:10:12,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 14:10:12,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 14:10:12,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 14:10:12,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 14:10:12,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 14:10:12,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 14:10:12,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 14:10:12,072 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 [2023-03-29 14:10:12,098 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 14:10:12,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 14:10:12,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 14:10:12,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 14:10:12,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 14:10:12,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 14:10:12,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 14:10:12,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 14:10:12,101 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 14:10:12,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 14:10:12,102 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 14:10:12,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 14:10:12,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 14:10:12,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 14:10:12,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 14:10:12,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 14:10:12,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 14:10:12,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 14:10:12,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 14:10:12,105 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 14:10:12,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 14:10:12,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 14:10:12,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 14:10:12,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 14:10:12,337 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 14:10:12,337 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 14:10:12,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2023-03-29 14:10:13,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 14:10:13,686 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 14:10:13,687 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2023-03-29 14:10:13,696 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347dc5325/c3d0307a4f754a29a8c715e8286e8326/FLAG2bb0ed860 [2023-03-29 14:10:13,706 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347dc5325/c3d0307a4f754a29a8c715e8286e8326 [2023-03-29 14:10:13,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 14:10:13,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 14:10:13,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 14:10:13,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 14:10:13,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 14:10:13,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:13" (1/1) ... [2023-03-29 14:10:13,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11261562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:13, skipping insertion in model container [2023-03-29 14:10:13,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:13" (1/1) ... [2023-03-29 14:10:13,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 14:10:13,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 14:10:14,016 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/eca-rers2012/Problem02_label41.c[15650,15663] [2023-03-29 14:10:14,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 14:10:14,093 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 14:10:14,172 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/eca-rers2012/Problem02_label41.c[15650,15663] [2023-03-29 14:10:14,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 14:10:14,198 INFO L208 MainTranslator]: Completed translation [2023-03-29 14:10:14,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14 WrapperNode [2023-03-29 14:10:14,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 14:10:14,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 14:10:14,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 14:10:14,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 14:10:14,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 14:10:14,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 14:10:14,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 14:10:14,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 14:10:14,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:14" (1/1) ... [2023-03-29 14:10:14,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 14:10:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 14:10:14,344 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) [2023-03-29 14:10:14,359 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 [2023-03-29 14:10:14,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 14:10:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 14:10:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 14:10:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2023-03-29 14:10:14,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 14:10:14,381 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2023-03-29 14:10:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 14:10:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 14:10:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 14:10:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 14:10:14,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 14:10:14,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 14:10:14,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 14:10:14,445 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 14:10:14,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 14:10:15,345 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 14:10:15,358 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 14:10:15,358 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-29 14:10:15,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:15 BoogieIcfgContainer [2023-03-29 14:10:15,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 14:10:15,361 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 14:10:15,361 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 14:10:15,362 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 14:10:15,362 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:15" (1/1) ... [2023-03-29 14:10:15,363 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 [2023-03-29 14:10:15,403 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 14:10:15,404 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 14:10:15,409 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 14:10:15,413 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 14:10:15,414 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 14:10:15,714 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 91 for LOIs [2023-03-29 14:10:27,047 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalStateException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEqualityRec(WeqCongruenceClosure.java:577) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEquality(WeqCongruenceClosure.java:555) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.EqConstraint.reportEqualityInPlace(EqConstraint.java:122) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.handleEquality(EqDomain.java:127) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.toState(EqDomain.java:93) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.toState(EqDomain.java:1) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.computeStates(StateBasedDomain.java:142) at java.base/java.util.Map.computeIfAbsent(Map.java:1003) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.toStates(StateBasedDomain.java:126) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StateBasedDomain.join(StateBasedDomain.java:77) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.join(StatsWrapperDomain.java:51) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.addInternal(PriorityWorklist.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.lambda$1(PriorityWorklist.java:99) at java.base/java.util.HashMap.compute(HashMap.java:1229) at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:99) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:128) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at java.base/java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1085) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:128) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.InterpretCallSummarizer.summarize(InterpretCallSummarizer.java:60) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.ReUseSupersetCallSummarizer.lambda$2(ReUseSupersetCallSummarizer.java:69) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.SummaryCache.reUseOrCompute(SummaryCache.java:72) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.ReUseSupersetCallSummarizer.summarize(ReUseSupersetCallSummarizer.java:68) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:220) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:125) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-03-29 14:10:27,054 INFO L158 Benchmark]: Toolchain (without parser) took 13344.68ms. Allocated memory was 189.8MB in the beginning and 697.3MB in the end (delta: 507.5MB). Free memory was 149.9MB in the beginning and 395.5MB in the end (delta: -245.7MB). Peak memory consumption was 264.0MB. Max. memory is 8.0GB. [2023-03-29 14:10:27,055 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 14:10:27,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.64ms. Allocated memory is still 189.8MB. Free memory was 149.5MB in the beginning and 122.8MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-29 14:10:27,056 INFO L158 Benchmark]: Boogie Preprocessor took 112.84ms. Allocated memory is still 189.8MB. Free memory was 122.8MB in the beginning and 118.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-29 14:10:27,057 INFO L158 Benchmark]: RCFGBuilder took 1047.57ms. Allocated memory is still 189.8MB. Free memory was 118.0MB in the beginning and 122.6MB in the end (delta: -4.6MB). Peak memory consumption was 38.3MB. Max. memory is 8.0GB. [2023-03-29 14:10:27,057 INFO L158 Benchmark]: Sifa took 11691.48ms. Allocated memory was 189.8MB in the beginning and 697.3MB in the end (delta: 507.5MB). Free memory was 122.6MB in the beginning and 395.5MB in the end (delta: -272.9MB). Peak memory consumption was 235.1MB. Max. memory is 8.0GB. [2023-03-29 14:10:27,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 146.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 488.64ms. Allocated memory is still 189.8MB. Free memory was 149.5MB in the beginning and 122.8MB in the end (delta: 26.6MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.84ms. Allocated memory is still 189.8MB. Free memory was 122.8MB in the beginning and 118.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1047.57ms. Allocated memory is still 189.8MB. Free memory was 118.0MB in the beginning and 122.6MB in the end (delta: -4.6MB). Peak memory consumption was 38.3MB. Max. memory is 8.0GB. * Sifa took 11691.48ms. Allocated memory was 189.8MB in the beginning and 697.3MB in the end (delta: 507.5MB). Free memory was 122.6MB in the beginning and 395.5MB in the end (delta: -272.9MB). Peak memory consumption was 235.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: IllegalStateException: null de.uni_freiburg.informatik.ultimate.plugins.sifa: IllegalStateException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportEqualityRec(WeqCongruenceClosure.java:577) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-03-29 14:10:27,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...