./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2f6ef7968fa573a7da88ae0a516f1d800f437d82b0fa75227e8d7d318952eb1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:43,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:43,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:43,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:43,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:43,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:43,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:43,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:43,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:43,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:43,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:43,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:43,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:43,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:43,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:43,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:43,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:43,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:43,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:43,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:43,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:43,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:43,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:43,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:43,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:43,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:43,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:43,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:43,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:43,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:43,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:43,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:43,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:43,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:43,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:43,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:43,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:43,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:43,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:43,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:43,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:43,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:43,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:43,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:43,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:43,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:43,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:43,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:43,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:43,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:43,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:43,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:43,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:43,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:43,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:43,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:43,456 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:43,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:43,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:43,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:43,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:43,457 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:43,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:43,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:43,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:43,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:43,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:43,459 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:43,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:43,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:43,459 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2f6ef7968fa573a7da88ae0a516f1d800f437d82b0fa75227e8d7d318952eb1 [2021-11-23 15:47:43,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:43,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:43,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:43,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:43,736 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:43,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2021-11-23 15:47:43,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/4a1cf946a/6fbf49adfdec4045814975886629a1e3/FLAGd1a5057bc [2021-11-23 15:47:44,389 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:44,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2021-11-23 15:47:44,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/4a1cf946a/6fbf49adfdec4045814975886629a1e3/FLAGd1a5057bc [2021-11-23 15:47:44,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/4a1cf946a/6fbf49adfdec4045814975886629a1e3 [2021-11-23 15:47:44,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:44,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:44,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:44,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:44,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:44,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:44" (1/1) ... [2021-11-23 15:47:44,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331b2ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:44, skipping insertion in model container [2021-11-23 15:47:44,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:44" (1/1) ... [2021-11-23 15:47:44,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:44,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:45,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i[24547,24560] [2021-11-23 15:47:45,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:45,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:45,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i[24547,24560] [2021-11-23 15:47:45,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:45,165 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:45,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45 WrapperNode [2021-11-23 15:47:45,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:45,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:45,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:45,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:45,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,222 INFO L137 Inliner]: procedures = 127, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 146 [2021-11-23 15:47:45,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:45,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:45,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:45,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:45,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:45,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:45,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:45,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:45,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:45" (1/1) ... [2021-11-23 15:47:45,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:45,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:45,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:47:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:47:45,405 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:47:45,406 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:47:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:45,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:47:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:45,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:45,590 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:45,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:45,830 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:45,837 INFO L158 Benchmark]: Toolchain (without parser) took 1185.88ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 85.2MB in the beginning and 88.1MB in the end (delta: -2.9MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:45,838 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:45,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.03ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 84.8MB in the beginning and 106.5MB in the end (delta: -21.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:45,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.61ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:45,840 INFO L158 Benchmark]: Boogie Preprocessor took 87.05ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:45,841 INFO L158 Benchmark]: RCFGBuilder took 513.65ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 88.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:45,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.03ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 84.8MB in the beginning and 106.5MB in the end (delta: -21.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.61ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.05ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.65ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 88.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. 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. [2021-11-23 15:47:45,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2f6ef7968fa573a7da88ae0a516f1d800f437d82b0fa75227e8d7d318952eb1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:48,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:48,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:48,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:48,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:48,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:48,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:48,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:48,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:48,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:48,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:48,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:48,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:48,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:48,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:48,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:48,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:48,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:48,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:48,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:48,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:48,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:48,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:48,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:48,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:48,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:48,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:48,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:48,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:48,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:48,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:48,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:48,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:48,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:48,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:48,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:48,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:48,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:48,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:48,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:48,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:48,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:48,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:48,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:48,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:48,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:48,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:48,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:48,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:48,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:48,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:48,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:48,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:48,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:48,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:48,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:48,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:48,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:48,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:48,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:48,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:48,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:48,487 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:48,488 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:48,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:48,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:48,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:48,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:48,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:48,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:48,489 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:48,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:48,490 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:48,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:48,490 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2f6ef7968fa573a7da88ae0a516f1d800f437d82b0fa75227e8d7d318952eb1 [2021-11-23 15:47:48,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:48,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:48,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:48,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:48,906 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:48,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2021-11-23 15:47:48,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/01b906aba/ec0c14734c9d4f1db540986d79897c46/FLAGc822e4ff8 [2021-11-23 15:47:49,537 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:49,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i [2021-11-23 15:47:49,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/01b906aba/ec0c14734c9d4f1db540986d79897c46/FLAGc822e4ff8 [2021-11-23 15:47:49,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/data/01b906aba/ec0c14734c9d4f1db540986d79897c46 [2021-11-23 15:47:49,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:49,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:49,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:49,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:49,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:49,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:49" (1/1) ... [2021-11-23 15:47:49,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c0972e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:49, skipping insertion in model container [2021-11-23 15:47:49,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:49" (1/1) ... [2021-11-23 15:47:49,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:49,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:50,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i[24547,24560] [2021-11-23 15:47:50,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:50,332 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:50,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/sv-benchmarks/c/list-simple/sll2c_prepend_unequal.i[24547,24560] [2021-11-23 15:47:50,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:50,420 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:50,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50 WrapperNode [2021-11-23 15:47:50,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:50,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:50,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:50,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:50,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,472 INFO L137 Inliner]: procedures = 130, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 147 [2021-11-23 15:47:50,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:50,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:50,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:50,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:50,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:50,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:50,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:50,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:50,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:50" (1/1) ... [2021-11-23 15:47:50,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:50,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:50,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:47:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:47:50,633 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:47:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:47:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:50,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:50,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:51,175 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:51,179 INFO L158 Benchmark]: Toolchain (without parser) took 1347.10ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 39.3MB in the beginning and 50.0MB in the end (delta: -10.7MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:51,180 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:51,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.26ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 35.6MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:47:51,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.21ms. Allocated memory is still 60.8MB. Free memory was 35.6MB in the beginning and 33.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:51,182 INFO L158 Benchmark]: Boogie Preprocessor took 71.55ms. Allocated memory is still 60.8MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:51,183 INFO L158 Benchmark]: RCFGBuilder took 631.80ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 50.3MB in the end (delta: -19.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 15:47:51,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.26ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 35.6MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.21ms. Allocated memory is still 60.8MB. Free memory was 35.6MB in the beginning and 33.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.55ms. Allocated memory is still 60.8MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.80ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 31.2MB in the beginning and 50.3MB in the end (delta: -19.1MB). Peak memory consumption was 10.9MB. 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. [2021-11-23 15:47:51,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_097ee3d9-f12a-4106-a116-aff1a3c830d2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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