./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-circular-2.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_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-circular-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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_0e53e1cd-1554-4a01-8562-c52be032e5a3/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 f91abcd8d9f4c4a9bb166bca3090e9f421fd2afed3c0226bce3d2e7c0b6ce95e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:38,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:38,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:38,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:38,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:38,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:38,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:38,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:38,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:38,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:38,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:38,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:38,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:38,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:38,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:38,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:38,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:38,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:38,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:38,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:38,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:38,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:38,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:38,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:38,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:38,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:38,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:38,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:38,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:38,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:38,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:38,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:38,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:38,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:38,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:38,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:38,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:38,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:38,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:38,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:38,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:38,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:38,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:38,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:38,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:38,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:38,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:38,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:38,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:38,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:38,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:38,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:38,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:38,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:38,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:38,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:38,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:38,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:38,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:38,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:38,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:38,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:38,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:38,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:38,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:38,485 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91abcd8d9f4c4a9bb166bca3090e9f421fd2afed3c0226bce3d2e7c0b6ce95e [2021-11-23 15:57:38,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:38,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:38,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:38,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:38,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:38,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-circular-2.i [2021-11-23 15:57:38,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/27e45cbab/3f8a3764a9664092b20b557613f46b5f/FLAG3f9672ea6 [2021-11-23 15:57:39,414 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:39,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i [2021-11-23 15:57:39,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/27e45cbab/3f8a3764a9664092b20b557613f46b5f/FLAG3f9672ea6 [2021-11-23 15:57:39,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/27e45cbab/3f8a3764a9664092b20b557613f46b5f [2021-11-23 15:57:39,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:39,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:39,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:39,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:39,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d762e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39, skipping insertion in model container [2021-11-23 15:57:39,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:39,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:40,067 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22324,22337] [2021-11-23 15:57:40,071 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22430,22443] [2021-11-23 15:57:40,073 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22554,22567] [2021-11-23 15:57:40,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:40,086 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:40,135 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22324,22337] [2021-11-23 15:57:40,136 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22430,22443] [2021-11-23 15:57:40,138 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22554,22567] [2021-11-23 15:57:40,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:40,198 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:40,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40 WrapperNode [2021-11-23 15:57:40,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:40,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:40,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:40,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,256 INFO L137 Inliner]: procedures = 119, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2021-11-23 15:57:40,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:40,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:40,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:40,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:40,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:40,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:40,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:40,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:40,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:40,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:40,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:40,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:40,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:40,741 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:40,782 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:40,786 INFO L158 Benchmark]: Toolchain (without parser) took 1065.03ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 62.6MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,786 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.78ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 79.7MB in the end (delta: -19.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.24ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 77.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,788 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,789 INFO L158 Benchmark]: RCFGBuilder took 495.43ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 62.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 77.4MB in the end (delta: 74.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.78ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 79.7MB in the end (delta: -19.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.24ms. Allocated memory is still 104.9MB. Free memory was 79.7MB in the beginning and 77.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.43ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 62.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:40,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-circular-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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_0e53e1cd-1554-4a01-8562-c52be032e5a3/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 f91abcd8d9f4c4a9bb166bca3090e9f421fd2afed3c0226bce3d2e7c0b6ce95e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:43,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:43,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:43,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:43,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:43,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:43,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:43,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:43,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:43,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:43,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:43,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:43,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:43,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:43,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:43,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:43,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:43,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:43,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:43,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:43,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:43,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:43,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:43,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:43,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:43,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:43,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:43,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:43,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:43,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:43,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:43,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:43,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:43,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:43,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:43,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:43,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:43,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:43,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:43,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:43,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:43,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:43,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:43,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:43,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:43,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:43,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:43,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:43,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:43,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:43,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:43,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:43,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:43,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:43,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:43,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:43,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:43,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:43,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:43,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:43,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:43,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:43,237 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91abcd8d9f4c4a9bb166bca3090e9f421fd2afed3c0226bce3d2e7c0b6ce95e [2021-11-23 15:57:43,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:43,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:43,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:43,682 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:43,683 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:43,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-circular-2.i [2021-11-23 15:57:43,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/6c95179ab/bec8bd6d65274068b53346310c7a0fdf/FLAGf83079066 [2021-11-23 15:57:44,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:44,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i [2021-11-23 15:57:44,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/6c95179ab/bec8bd6d65274068b53346310c7a0fdf/FLAGf83079066 [2021-11-23 15:57:44,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/data/6c95179ab/bec8bd6d65274068b53346310c7a0fdf [2021-11-23 15:57:44,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:44,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:44,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:44,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:44,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:44,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7915d487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44, skipping insertion in model container [2021-11-23 15:57:44,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:44,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:45,129 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22324,22337] [2021-11-23 15:57:45,133 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22430,22443] [2021-11-23 15:57:45,135 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22554,22567] [2021-11-23 15:57:45,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:45,214 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22324,22337] [2021-11-23 15:57:45,216 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22430,22443] [2021-11-23 15:57:45,224 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_0e53e1cd-1554-4a01-8562-c52be032e5a3/sv-benchmarks/c/forester-heap/sll-circular-2.i[22554,22567] [2021-11-23 15:57:45,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,260 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:45,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45 WrapperNode [2021-11-23 15:57:45,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:45,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:45,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,326 INFO L137 Inliner]: procedures = 122, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 112 [2021-11-23 15:57:45,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:45,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:45,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:45,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:45,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:45,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:45,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:45,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:45,542 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:45,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:45,803 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:45,822 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:45,825 INFO L158 Benchmark]: Toolchain (without parser) took 1189.77ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 53.9MB in the beginning and 78.7MB in the end (delta: -24.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,826 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:45,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.32ms. Allocated memory is still 73.4MB. Free memory was 53.8MB in the beginning and 48.4MB in the end (delta: 5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.12ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,828 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,829 INFO L158 Benchmark]: RCFGBuilder took 460.36ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 78.7MB in the end (delta: -34.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.32ms. Allocated memory is still 73.4MB. Free memory was 53.8MB in the beginning and 48.4MB in the end (delta: 5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.12ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 46.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 44.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 460.36ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 78.7MB in the end (delta: -34.5MB). Peak memory consumption was 17.0MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:45,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e53e1cd-1554-4a01-8562-c52be032e5a3/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