./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all.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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:43,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:43,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:43,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:43,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:43,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:43,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:43,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:43,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:43,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:43,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:43,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:43,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:43,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:43,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:43,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:43,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:43,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:43,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:43,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:43,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:43,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:43,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:44,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:44,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:44,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:44,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:44,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:44,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:44,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:44,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:44,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:44,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:44,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:44,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:44,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:44,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:44,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:44,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:44,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:44,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:29:44,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:44,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:44,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:44,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:44,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:44,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:44,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:44,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:44,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:44,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:44,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:44,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:44,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:44,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:44,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:44,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:44,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:44,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:44,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:44,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:44,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:44,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:44,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:44,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:44,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:44,065 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:29:44,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:29:44,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:44,066 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2021-11-23 15:29:44,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:44,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:44,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:44,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:44,426 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:44,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-11-23 15:29:44,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/a564809db/6806710af04c4563ab517be2055ac55b/FLAG8b59b471a [2021-11-23 15:29:45,122 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:45,123 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-11-23 15:29:45,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/a564809db/6806710af04c4563ab517be2055ac55b/FLAG8b59b471a [2021-11-23 15:29:45,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/a564809db/6806710af04c4563ab517be2055ac55b [2021-11-23 15:29:45,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:45,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:45,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:45,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:45,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:45,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:45" (1/1) ... [2021-11-23 15:29:45,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ace5cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:45, skipping insertion in model container [2021-11-23 15:29:45,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:45" (1/1) ... [2021-11-23 15:29:45,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:45,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:45,976 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2021-11-23 15:29:45,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:46,006 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:46,092 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2021-11-23 15:29:46,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:46,144 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:46,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46 WrapperNode [2021-11-23 15:29:46,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:46,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:46,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:46,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:46,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,240 INFO L137 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2021-11-23 15:29:46,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:46,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:46,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:46,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:46,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:46,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:46,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:46,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:46,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:46" (1/1) ... [2021-11-23 15:29:46,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:46,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:46,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:46,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:29:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:29:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:29:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:46,559 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:46,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:46,583 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:29:46,589 INFO L158 Benchmark]: Toolchain (without parser) took 1161.30ms. Allocated memory is still 115.3MB. Free memory was 85.6MB in the beginning and 70.9MB in the end (delta: 14.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-11-23 15:29:46,590 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:46,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.74ms. Allocated memory is still 115.3MB. Free memory was 85.4MB in the beginning and 81.9MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:29:46,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.99ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:46,593 INFO L158 Benchmark]: Boogie Preprocessor took 71.29ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:46,594 INFO L158 Benchmark]: RCFGBuilder took 271.72ms. Allocated memory is still 115.3MB. Free memory was 78.1MB in the beginning and 70.9MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:29:46,599 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.74ms. Allocated memory is still 115.3MB. Free memory was 85.4MB in the beginning and 81.9MB in the end (delta: 3.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.99ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.29ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 78.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.72ms. Allocated memory is still 115.3MB. Free memory was 78.1MB in the beginning and 70.9MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. 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 15:29:46,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:49,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:49,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:49,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:49,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:49,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:49,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:49,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:49,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:49,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:49,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:49,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:49,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:49,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:49,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:49,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:49,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:49,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:49,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:49,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:49,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:49,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:49,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:49,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:49,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:49,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:49,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:49,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:49,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:49,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:49,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:49,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:49,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:49,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:49,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:49,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:49,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:49,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:49,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:49,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:49,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:49,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:29:49,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:49,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:49,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:49,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:49,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:49,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:49,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:49,834 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:49,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:49,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:49,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:49,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:49,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:49,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:29:49,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:29:49,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:29:49,836 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:49,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:49,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:49,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:49,837 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:49,838 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:49,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:49,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:49,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:49,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:49,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:49,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:29:49,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:29:49,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:49,840 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:29:49,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:29:49,841 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fd0aba5d9be2820550e57012fb4e12f76fe291bb253443319d08539e5b2ba1a [2021-11-23 15:29:50,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:50,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:50,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:50,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:50,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:50,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-11-23 15:29:50,432 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/714b75f31/ca9dc23c59bf4c00838987de30a17ead/FLAG80c2d5a7b [2021-11-23 15:29:51,223 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:51,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i [2021-11-23 15:29:51,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/714b75f31/ca9dc23c59bf4c00838987de30a17ead/FLAG80c2d5a7b [2021-11-23 15:29:51,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/data/714b75f31/ca9dc23c59bf4c00838987de30a17ead [2021-11-23 15:29:51,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:51,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:51,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:51,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:51,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:51,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2766fe7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:51, skipping insertion in model container [2021-11-23 15:29:51,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:51,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:52,113 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2021-11-23 15:29:52,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:52,137 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:52,233 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_0b39e904-1382-4d62-9b8e-3fc0c947f28e/sv-benchmarks/c/list-simple/sll2n_update_all.i[24218,24231] [2021-11-23 15:29:52,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:52,278 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:52,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52 WrapperNode [2021-11-23 15:29:52,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:52,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:52,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:52,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:52,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,368 INFO L137 Inliner]: procedures = 129, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2021-11-23 15:29:52,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:52,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:52,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:52,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:52,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:52,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:52,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:52,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:52,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:52,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:52,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:52,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:29:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:29:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:52,677 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:52,679 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:52,702 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:29:52,708 INFO L158 Benchmark]: Toolchain (without parser) took 1201.35ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 35.8MB in the beginning and 41.7MB in the end (delta: -5.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,709 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:52,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.81ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 53.2MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.28ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,713 INFO L158 Benchmark]: Boogie Preprocessor took 64.59ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 49.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,714 INFO L158 Benchmark]: RCFGBuilder took 270.50ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 41.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.6MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.81ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 35.6MB in the beginning and 53.2MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.28ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.59ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 49.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.50ms. Allocated memory is still 77.6MB. Free memory was 49.2MB in the beginning and 41.7MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. 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 15:29:52,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b39e904-1382-4d62-9b8e-3fc0c947f28e/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