/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/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 16:33:44,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 16:33:44,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 16:33:44,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 16:33:44,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 16:33:44,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 16:33:44,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 16:33:44,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 16:33:44,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 16:33:44,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 16:33:44,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 16:33:44,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 16:33:44,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 16:33:44,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 16:33:44,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 16:33:44,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 16:33:44,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 16:33:44,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 16:33:44,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 16:33:44,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 16:33:44,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 16:33:44,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 16:33:44,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 16:33:44,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 16:33:44,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 16:33:44,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 16:33:44,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 16:33:44,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 16:33:44,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 16:33:44,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 16:33:44,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 16:33:44,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 16:33:44,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 16:33:44,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 16:33:44,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 16:33:44,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 16:33:44,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 16:33:44,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 16:33:44,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 16:33:44,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 16:33:44,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 16:33:44,210 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 16:33:44,235 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 16:33:44,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 16:33:44,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 16:33:44,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 16:33:44,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 16:33:44,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 16:33:44,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 16:33:44,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 16:33:44,240 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 16:33:44,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 16:33:44,240 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-29 16:33:44,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 16:33:44,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 16:33:44,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:33:44,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 16:33:44,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 16:33:44,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 16:33:44,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 16:33:44,243 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 16:33:44,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 16:33:44,243 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 16:33:44,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 16:33:44,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 16:33:44,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 16:33:44,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 16:33:44,436 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 16:33:44,436 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 16:33:44,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c [2023-03-29 16:33:45,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 16:33:45,884 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 16:33:45,884 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c [2023-03-29 16:33:45,894 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06c6f7b5/cc5d070799284381b390e3dbb601f47c/FLAG56e634535 [2023-03-29 16:33:45,910 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c06c6f7b5/cc5d070799284381b390e3dbb601f47c [2023-03-29 16:33:45,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 16:33:45,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 16:33:45,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 16:33:45,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 16:33:45,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 16:33:45,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:33:45" (1/1) ... [2023-03-29 16:33:45,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb86d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:45, skipping insertion in model container [2023-03-29 16:33:45,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 04:33:45" (1/1) ... [2023-03-29 16:33:45,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 16:33:45,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 16:33:46,123 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/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c[9433,9446] [2023-03-29 16:33:46,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:33:46,134 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 16:33:46,165 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/seq-mthreaded/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c[9433,9446] [2023-03-29 16:33:46,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 16:33:46,178 INFO L208 MainTranslator]: Completed translation [2023-03-29 16:33:46,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46 WrapperNode [2023-03-29 16:33:46,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 16:33:46,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 16:33:46,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 16:33:46,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 16:33:46,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 16:33:46,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 16:33:46,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 16:33:46,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 16:33:46,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 16:33:46,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 16:33:46,287 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 16:33:46,289 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 16:33:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 16:33:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 16:33:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure read [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure write [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2023-03-29 16:33:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure init [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure check [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 16:33:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 16:33:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 16:33:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 16:33:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 16:33:46,407 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 16:33:46,409 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 16:33:46,756 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 16:33:46,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 16:33:46,761 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-29 16:33:46,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:33:46 BoogieIcfgContainer [2023-03-29 16:33:46,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 16:33:46,764 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 16:33:46,764 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 16:33:46,764 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 16:33:46,764 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 04:33:46" (1/1) ... [2023-03-29 16:33:46,765 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 16:33:46,826 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 16:33:46,827 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 16:33:46,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 16:33:46,838 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 16:33:46,839 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 16:33:47,560 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 163 for LOIs [2023-03-29 16:33:49,339 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-03-29 16:33:49,399 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-03-29 16:33:49,437 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-03-29 16:33:49,475 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2023-03-29 16:33:49,512 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2023-03-29 16:33:49,548 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2023-03-29 16:33:49,583 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-29 16:33:49,619 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-29 16:33:49,659 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2023-03-29 16:33:49,705 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2023-03-29 16:33:54,251 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2023-03-29 16:33:57,047 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 109881 conjuctions. This might take some time... [2023-03-29 16:34:05,075 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 192 conjuctions. [2023-03-29 16:34:05,088 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.IllegalStateException at de.uni_freiburg.informatik.ultimate.util.datastructures.congruenceclosure.CongruenceClosure.reportDisequalityRec(CongruenceClosure.java:443) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportDisequalityRec(WeqCongruenceClosure.java:915) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.reportDisequality(WeqCongruenceClosure.java:906) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.vpdomain.EqConstraint.reportDisequalityInPlace(EqConstraint.java:128) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.handleDisequality(EqDomain.java:154) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$EqStateProvider.toState(EqDomain.java:98) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.EqDomain$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.alpha(StateBasedDomain.java:122) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.alpha(StatsWrapperDomain.java:87) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.fluidAbstraction(DagInterpreter.java:236) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:122) 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 16:34:05,092 INFO L158 Benchmark]: Toolchain (without parser) took 19176.78ms. Allocated memory was 310.4MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 256.2MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 664.8MB. Max. memory is 8.0GB. [2023-03-29 16:34:05,092 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-29 16:34:05,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.33ms. Allocated memory is still 310.4MB. Free memory was 256.2MB in the beginning and 241.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-03-29 16:34:05,093 INFO L158 Benchmark]: Boogie Preprocessor took 59.05ms. Allocated memory is still 310.4MB. Free memory was 241.5MB in the beginning and 239.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-29 16:34:05,094 INFO L158 Benchmark]: RCFGBuilder took 523.90ms. Allocated memory is still 310.4MB. Free memory was 239.4MB in the beginning and 213.7MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-29 16:34:05,094 INFO L158 Benchmark]: Sifa took 18327.15ms. Allocated memory was 310.4MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 213.7MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 621.8MB. Max. memory is 8.0GB. [2023-03-29 16:34:05,096 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 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.33ms. Allocated memory is still 310.4MB. Free memory was 256.2MB in the beginning and 241.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.05ms. Allocated memory is still 310.4MB. Free memory was 241.5MB in the beginning and 239.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 523.90ms. Allocated memory is still 310.4MB. Free memory was 239.4MB in the beginning and 213.7MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Sifa took 18327.15ms. Allocated memory was 310.4MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 213.7MB in the beginning and 3.0GB in the end (delta: -2.8GB). Peak memory consumption was 621.8MB. 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.util.datastructures.congruenceclosure.CongruenceClosure.reportDisequalityRec(CongruenceClosure.java:443) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-03-29 16:34:05,108 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...