./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:46:46,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:46:46,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:46:46,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:46:46,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:46:46,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:46:46,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:46:46,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:46:46,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:46:46,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:46:46,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:46:46,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:46:46,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:46:46,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:46:46,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:46:46,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:46:46,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:46:46,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:46:46,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:46:46,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:46:46,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:46:46,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:46:46,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:46:46,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:46:46,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:46:46,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:46:46,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:46:46,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:46:46,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:46:46,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:46:46,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:46:46,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:46:46,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:46:46,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:46:46,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:46:46,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:46:46,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:46:46,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:46:46,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:46:46,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:46:46,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:46:46,297 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:46:46,314 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:46:46,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:46:46,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:46:46,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:46:46,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:46:46,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:46:46,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:46:46,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:46:46,316 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:46:46,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:46:46,316 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:46:46,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:46:46,318 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:46:46,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:46:46,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:46:46,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:46:46,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:46:46,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:46:46,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:46:46,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:46,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:46:46,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:46:46,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:46:46,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:46:46,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 [2021-12-15 10:46:46,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:46:46,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:46:46,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:46:46,540 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:46:46,541 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:46:46,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2021-12-15 10:46:46,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28134262/be8d39549fbe4d8991dad204246ec5e5/FLAG3107b229c [2021-12-15 10:46:46,986 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:46:46,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2021-12-15 10:46:47,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28134262/be8d39549fbe4d8991dad204246ec5e5/FLAG3107b229c [2021-12-15 10:46:47,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28134262/be8d39549fbe4d8991dad204246ec5e5 [2021-12-15 10:46:47,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:46:47,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:46:47,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:47,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:46:47,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:46:47,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:47,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b05bebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47, skipping insertion in model container [2021-12-15 10:46:47,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:47,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:46:47,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:46:47,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i[25148,25161] [2021-12-15 10:46:47,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:47,860 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:46:47,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i[25148,25161] [2021-12-15 10:46:47,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:47,975 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:46:47,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47 WrapperNode [2021-12-15 10:46:47,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:47,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:47,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:46:47,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:46:47,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,028 INFO L137 Inliner]: procedures = 127, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 185 [2021-12-15 10:46:48,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:48,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:46:48,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:46:48,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:46:48,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:46:48,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:46:48,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:46:48,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:46:48,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:47" (1/1) ... [2021-12-15 10:46:48,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:48,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:46:48,095 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) [2021-12-15 10:46:48,098 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 [2021-12-15 10:46:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 10:46:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 10:46:48,122 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-12-15 10:46:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:46:48,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 10:46:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:46:48,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:46:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:46:48,193 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:46:48,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:46:48,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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:151) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:46:48,411 INFO L158 Benchmark]: Toolchain (without parser) took 1045.40ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 73.8MB in the end (delta: -13.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-12-15 10:46:48,411 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:46:48,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.51ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 95.4MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:46:48,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 93.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:46:48,413 INFO L158 Benchmark]: Boogie Preprocessor took 33.39ms. Allocated memory is still 125.8MB. Free memory was 93.1MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:46:48,413 INFO L158 Benchmark]: RCFGBuilder took 346.70ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 73.8MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 10:46:48,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.51ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 95.4MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 125.8MB. Free memory was 95.4MB in the beginning and 93.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.39ms. Allocated memory is still 125.8MB. Free memory was 93.1MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.70ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 73.8MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:46:48,447 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:46:50,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:46:50,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:46:50,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:46:50,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:46:50,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:46:50,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:46:50,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:46:50,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:46:50,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:46:50,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:46:50,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:46:50,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:46:50,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:46:50,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:46:50,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:46:50,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:46:50,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:46:50,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:46:50,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:46:50,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:46:50,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:46:50,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:46:50,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:46:50,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:46:50,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:46:50,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:46:50,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:46:50,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:46:50,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:46:50,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:46:50,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:46:50,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:46:50,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:46:50,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:46:50,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:46:50,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:46:50,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:46:50,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:46:50,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:46:50,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:46:50,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:46:50,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:46:50,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:46:50,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:46:50,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:46:50,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:46:50,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:46:50,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:46:50,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:46:50,203 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:46:50,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:46:50,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:46:50,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:46:50,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:50,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:46:50,206 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:46:50,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:46:50,208 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b81f923e96224472f8219a473f794261ff02356a47c6b09b527f0fc600725a8 [2021-12-15 10:46:50,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:46:50,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:46:50,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:46:50,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:46:50,471 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:46:50,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2021-12-15 10:46:50,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842ed7eee/dfbddcee1e0c42cb9269122499bae0b7/FLAGd455f2e34 [2021-12-15 10:46:51,068 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:46:51,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i [2021-12-15 10:46:51,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842ed7eee/dfbddcee1e0c42cb9269122499bae0b7/FLAGd455f2e34 [2021-12-15 10:46:51,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/842ed7eee/dfbddcee1e0c42cb9269122499bae0b7 [2021-12-15 10:46:51,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:46:51,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:46:51,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:51,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:46:51,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:46:51,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:51,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6623683a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51, skipping insertion in model container [2021-12-15 10:46:51,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:51,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:46:51,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:46:51,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i[25148,25161] [2021-12-15 10:46:51,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:51,909 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:46:51,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2c_insert_unequal.i[25148,25161] [2021-12-15 10:46:51,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:46:51,980 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:46:51,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51 WrapperNode [2021-12-15 10:46:51,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:46:51,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:51,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:46:51,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:46:51,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,041 INFO L137 Inliner]: procedures = 130, calls = 58, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 186 [2021-12-15 10:46:52,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:46:52,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:46:52,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:46:52,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:46:52,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:46:52,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:46:52,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:46:52,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:46:52,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:46:51" (1/1) ... [2021-12-15 10:46:52,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:46:52,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:46:52,121 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) [2021-12-15 10:46:52,137 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 [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-12-15 10:46:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:46:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:46:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:46:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 10:46:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 10:46:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:46:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:46:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:46:52,275 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:46:52,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:46:52,690 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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:151) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 10:46:52,693 INFO L158 Benchmark]: Toolchain (without parser) took 1118.74ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 59.3MB in the end (delta: -17.4MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 10:46:52,693 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:46:52,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.58ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 37.2MB in the end (delta: 4.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-12-15 10:46:52,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.42ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 10:46:52,694 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 32.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 10:46:52,695 INFO L158 Benchmark]: RCFGBuilder took 596.64ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 32.4MB in the beginning and 59.3MB in the end (delta: -26.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-15 10:46:52,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.58ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 37.2MB in the end (delta: 4.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.42ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 62.9MB. Free memory was 34.5MB in the beginning and 32.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.64ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 32.4MB in the beginning and 59.3MB in the end (delta: -26.9MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 10:46:52,724 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable