./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/sll2c_append_equal.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_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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_25e4f518-8f40-45b1-a598-fbd0c0b40328/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 b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:57,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:57,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:57,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:57,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:57,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:57,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:57,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:57,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:57,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:57,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:57,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:57,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:57,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:57,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:57,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:57,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:57,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:57,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:57,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:57,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:57,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:57,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:57,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:57,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:57,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:57,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:57,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:57,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:57,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:57,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:57,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:57,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:57,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:57,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:57,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:57,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:57,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:57,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:57,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:57,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:57,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:57,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:57,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:57,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:57,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:57,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:57,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:57,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:57,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:57,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:57,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:57,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:57,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:57,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:57,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:57,655 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:57,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:57,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:57,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:57,656 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:57,656 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:57,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:57,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:57,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:57,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:57,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:57,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:57,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:57,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:57,658 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab [2021-11-23 15:01:57,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:57,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:57,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:57,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:57,966 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:57,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 15:01:58,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/bd9cf94ae/8b96a69d3b574ee4a37eb2bc43905ec3/FLAG28bf2bbe6 [2021-11-23 15:01:58,642 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:58,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 15:01:58,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/bd9cf94ae/8b96a69d3b574ee4a37eb2bc43905ec3/FLAG28bf2bbe6 [2021-11-23 15:01:58,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/bd9cf94ae/8b96a69d3b574ee4a37eb2bc43905ec3 [2021-11-23 15:01:58,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:58,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:58,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:58,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:58,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:58,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:58" (1/1) ... [2021-11-23 15:01:58,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260f3d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:58, skipping insertion in model container [2021-11-23 15:01:58,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:58" (1/1) ... [2021-11-23 15:01:58,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:59,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:59,306 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 15:01:59,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:59,317 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:59,357 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 15:01:59,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:59,393 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:59,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59 WrapperNode [2021-11-23 15:01:59,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:59,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:59,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:59,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:59,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,443 INFO L137 Inliner]: procedures = 127, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 136 [2021-11-23 15:01:59,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:59,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:59,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:59,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:59,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:59,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:59,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:59,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:59,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:59" (1/1) ... [2021-11-23 15:01:59,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:59,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:59,599 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:01:59,602 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:01:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:59,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:01:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:01:59,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:01:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:59,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:59,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:59,746 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:59,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:59,960 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:59,965 INFO L158 Benchmark]: Toolchain (without parser) took 1021.18ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 37.4MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,966 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:59,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.09ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 54.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.88ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,970 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,971 INFO L158 Benchmark]: RCFGBuilder took 486.13ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 37.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 41.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.09ms. Allocated memory is still 100.7MB. Free memory was 71.8MB in the beginning and 54.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.88ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 100.7MB. Free memory was 52.5MB in the beginning and 50.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.13ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 37.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. 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 15:02:00,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2c_append_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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_25e4f518-8f40-45b1-a598-fbd0c0b40328/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 b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:02,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:02,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:02,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:02,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:02,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:02,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:02,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:02,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:02,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:02,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:02,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:02,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:02,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:02,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:02,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:02,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:02,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:02,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:02,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:02,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:02,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:02,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:02,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:02,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:02,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:02,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:02,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:02,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:02,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:02,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:02,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:02,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:02,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:02,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:02,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:02,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:02,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:02,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:02,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:02,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:02,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:02,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:02,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:02,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:02,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:02,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:02,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:02,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:02,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:02,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:02,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:02,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:02,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:02,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:02,719 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:02,720 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:02,720 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:02,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:02,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:02,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:02,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:02,721 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:02,721 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:02,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:02,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:02,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:02,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:02,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:02,723 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:02,723 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:02,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:02,723 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:02,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:02,724 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b335af75f55d322161e6a270bf4669ab290ae0e9da4bc480724c7d5e3b79fdab [2021-11-23 15:02:03,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:03,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:03,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:03,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:03,130 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:03,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 15:02:03,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/078980473/69a43bad9ed9454384605d529584ce9b/FLAGeb9b73563 [2021-11-23 15:02:03,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:03,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i [2021-11-23 15:02:03,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/078980473/69a43bad9ed9454384605d529584ce9b/FLAGeb9b73563 [2021-11-23 15:02:04,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/data/078980473/69a43bad9ed9454384605d529584ce9b [2021-11-23 15:02:04,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:04,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:04,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:04,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:04,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:04,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b60f560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04, skipping insertion in model container [2021-11-23 15:02:04,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:04,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:04,568 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 15:02:04,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:04,583 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:04,629 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_25e4f518-8f40-45b1-a598-fbd0c0b40328/sv-benchmarks/c/list-simple/sll2c_append_equal.i[24433,24446] [2021-11-23 15:02:04,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:04,675 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:04,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04 WrapperNode [2021-11-23 15:02:04,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:04,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:04,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:04,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:04,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,731 INFO L137 Inliner]: procedures = 130, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2021-11-23 15:02:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:04,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:04,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:04,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:04,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:04,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:04" (1/1) ... [2021-11-23 15:02:04,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:04,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:04,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:02:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:02:04,872 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:02:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:02:04,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:04,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:04,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:04,992 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:04,993 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:05,350 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:02:05,354 INFO L158 Benchmark]: Toolchain (without parser) took 1217.33ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 65.8MB in the end (delta: -16.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,355 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:05,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.08ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 44.4MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.20ms. Allocated memory is still 69.2MB. Free memory was 44.3MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,357 INFO L158 Benchmark]: Boogie Preprocessor took 39.57ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:05,358 INFO L158 Benchmark]: RCFGBuilder took 579.28ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 65.8MB in the end (delta: -25.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.08ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 44.4MB in the end (delta: 4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.20ms. Allocated memory is still 69.2MB. Free memory was 44.3MB in the beginning and 41.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.57ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.28ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.1MB in the beginning and 65.8MB in the end (delta: -25.7MB). Peak memory consumption was 14.8MB. 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 15:02:05,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25e4f518-8f40-45b1-a598-fbd0c0b40328/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