./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:13,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:13,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:14,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:14,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:14,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:14,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:14,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:14,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:14,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:14,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:14,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:14,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:14,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:14,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:14,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:14,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:14,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:14,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:14,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:14,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:14,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:14,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:14,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:14,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:14,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:14,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:14,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:14,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:14,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:14,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:14,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:14,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:14,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:14,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:14,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:14,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:14,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:14,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:14,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:14,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:14,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:31:14,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:14,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:14,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:14,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:14,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:14,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:14,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:14,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:14,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:14,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:14,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:14,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:14,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:14,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:14,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:14,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:14,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:14,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:14,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:14,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:14,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:14,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:14,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:14,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:14,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:14,164 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:14,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:14,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:14,165 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 [2021-11-23 15:31:14,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:14,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:14,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:14,559 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:14,560 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:14,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2021-11-23 15:31:14,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/14cf8bb77/bb11f30e292248b7afbd100899a27f64/FLAGc4f1a690e [2021-11-23 15:31:15,293 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:15,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2021-11-23 15:31:15,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/14cf8bb77/bb11f30e292248b7afbd100899a27f64/FLAGc4f1a690e [2021-11-23 15:31:15,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/14cf8bb77/bb11f30e292248b7afbd100899a27f64 [2021-11-23 15:31:15,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:15,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:15,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:15,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:15,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:15,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:15" (1/1) ... [2021-11-23 15:31:15,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43487722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:15, skipping insertion in model container [2021-11-23 15:31:15,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:15" (1/1) ... [2021-11-23 15:31:15,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:15,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:16,039 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2021-11-23 15:31:16,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:16,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:16,105 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2021-11-23 15:31:16,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:16,159 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:16,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16 WrapperNode [2021-11-23 15:31:16,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:16,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:16,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:16,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:16,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,250 INFO L137 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 143 [2021-11-23 15:31:16,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:16,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:16,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:16,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:16,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:16,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:16,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:16,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:16,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16" (1/1) ... [2021-11-23 15:31:16,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:16,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:16,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:16,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:31:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:31:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:16,616 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:16,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:17,070 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:17,076 INFO L158 Benchmark]: Toolchain (without parser) took 1547.73ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 89.4MB in the end (delta: -45.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,076 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 86.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:17,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.01ms. Allocated memory is still 86.0MB. Free memory was 43.9MB in the beginning and 49.3MB in the end (delta: -5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.06ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,079 INFO L158 Benchmark]: Boogie Preprocessor took 39.91ms. Allocated memory is still 86.0MB. Free memory was 46.8MB in the beginning and 45.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:17,081 INFO L158 Benchmark]: RCFGBuilder took 780.25ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 45.1MB in the beginning and 89.4MB in the end (delta: -44.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:17,085 INFO L339 ainManager$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 86.0MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.01ms. Allocated memory is still 86.0MB. Free memory was 43.9MB in the beginning and 49.3MB in the end (delta: -5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.06ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 46.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.91ms. Allocated memory is still 86.0MB. Free memory was 46.8MB in the beginning and 45.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 780.25ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 45.1MB in the beginning and 89.4MB in the end (delta: -44.4MB). Peak memory consumption was 22.0MB. 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 15:31:17,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:20,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:20,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:20,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:20,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:20,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:20,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:20,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:20,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:20,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:20,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:20,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:20,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:20,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:20,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:20,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:20,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:20,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:20,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:20,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:20,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:20,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:20,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:20,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:20,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:20,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:20,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:20,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:20,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:20,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:20,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:20,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:20,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:20,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:20,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:20,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:20,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:20,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:20,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:20,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:20,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:20,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:20,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:20,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:20,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:20,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:20,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:20,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:20,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:20,285 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:20,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:20,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:20,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:20,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:20,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:20,288 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:20,289 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:20,289 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:20,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:20,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:20,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:20,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:20,290 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:20,291 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:20,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:20,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:20,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:20,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:20,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:20,293 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:20,293 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:20,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:20,294 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:20,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:20,295 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 583b66b9d59d34de12ff7e58a8eb24a95055476e3f5044dc2a7c6b2bb83f4c67 [2021-11-23 15:31:20,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:20,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:20,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:20,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:20,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:20,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2021-11-23 15:31:20,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/a120b0ce3/9021f5b0c7ea4e23af6c824f3a38c94c/FLAG3e5155789 [2021-11-23 15:31:21,591 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:21,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i [2021-11-23 15:31:21,610 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/a120b0ce3/9021f5b0c7ea4e23af6c824f3a38c94c/FLAG3e5155789 [2021-11-23 15:31:21,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/data/a120b0ce3/9021f5b0c7ea4e23af6c824f3a38c94c [2021-11-23 15:31:21,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:21,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:21,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:21,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:21,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:21,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:21" (1/1) ... [2021-11-23 15:31:21,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ac883c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:21, skipping insertion in model container [2021-11-23 15:31:21,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:21" (1/1) ... [2021-11-23 15:31:21,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:22,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:22,533 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2021-11-23 15:31:22,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:22,566 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:22,638 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_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/sv-benchmarks/c/list-simple/dll2c_prepend_unequal.i[24729,24742] [2021-11-23 15:31:22,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:22,690 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:22,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22 WrapperNode [2021-11-23 15:31:22,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:22,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:22,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:22,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:22,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,780 INFO L137 Inliner]: procedures = 130, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 144 [2021-11-23 15:31:22,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:22,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:22,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:22,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:22,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:22,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:22,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:22,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:22,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:22" (1/1) ... [2021-11-23 15:31:22,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:22,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:22,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:22,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:31:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 15:31:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 15:31:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:31:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:31:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:23,128 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:23,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:23,780 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:23,785 INFO L158 Benchmark]: Toolchain (without parser) took 1868.40ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 28.0MB in the beginning and 46.4MB in the end (delta: -18.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:23,786 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:23,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.24ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 27.7MB in the beginning and 50.0MB in the end (delta: -22.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:23,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.48ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 47.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:23,789 INFO L158 Benchmark]: Boogie Preprocessor took 64.24ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 45.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:23,790 INFO L158 Benchmark]: RCFGBuilder took 935.99ms. Allocated memory is still 75.5MB. Free memory was 45.4MB in the beginning and 46.4MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:23,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.24ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 27.7MB in the beginning and 50.0MB in the end (delta: -22.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.48ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 47.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.24ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 45.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.99ms. Allocated memory is still 75.5MB. Free memory was 45.4MB in the beginning and 46.4MB in the end (delta: -1.0MB). Peak memory consumption was 10.5MB. 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 15:31:23,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7eedb6-9295-46a5-8f92-eb35cb91fc13/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