./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-optional-1.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_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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_b1db93f4-822f-4f5c-8027-3f9c08631e23/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 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:28,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:28,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:28,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:28,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:28,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:28,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:28,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:28,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:28,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:28,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:28,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:28,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:28,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:28,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:28,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:28,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:28,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:28,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:28,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:28,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:28,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:28,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:28,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:28,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:28,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:28,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:28,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:28,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:28,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:28,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:28,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:28,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:28,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:28,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:28,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:28,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:28,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:28,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:28,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:28,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:28,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:28,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:28,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:28,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:28,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:28,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:28,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:28,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:28,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:28,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:28,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:28,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:28,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:28,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:28,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:28,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:28,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:28,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:28,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:28,156 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:28,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:28,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:28,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:28,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:28,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:28,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:28,158 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:28,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:28,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:28,158 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 [2021-11-23 15:47:28,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:28,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:28,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:28,449 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:28,452 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:28,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-optional-1.i [2021-11-23 15:47:28,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/e3cad9615/17676c2039b14da8bdbbdc3fa8eed3a8/FLAG300d4c1a5 [2021-11-23 15:47:29,005 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:29,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i [2021-11-23 15:47:29,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/e3cad9615/17676c2039b14da8bdbbdc3fa8eed3a8/FLAG300d4c1a5 [2021-11-23 15:47:29,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/e3cad9615/17676c2039b14da8bdbbdc3fa8eed3a8 [2021-11-23 15:47:29,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:29,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:29,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:29,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:29,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:29,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680408f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29, skipping insertion in model container [2021-11-23 15:47:29,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:29,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:29,750 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2021-11-23 15:47:29,770 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:29,779 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:29,831 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2021-11-23 15:47:29,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:29,862 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:29,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29 WrapperNode [2021-11-23 15:47:29,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:29,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:29,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:29,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:29,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,916 INFO L137 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 130 [2021-11-23 15:47:29,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:29,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:29,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:29,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:29,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:29,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:29,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:29,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:29,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:29" (1/1) ... [2021-11-23 15:47:29,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:29,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:30,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:47:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:47:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:30,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:30,137 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:30,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:30,380 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:30,396 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:30,401 INFO L158 Benchmark]: Toolchain (without parser) took 1054.79ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 43.3MB in the end (delta: 12.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:30,402 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:30,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.20ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 63.0MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:30,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:30,404 INFO L158 Benchmark]: Boogie Preprocessor took 37.95ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:30,405 INFO L158 Benchmark]: RCFGBuilder took 442.85ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 43.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:47:30,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.20ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 63.0MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 60.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.95ms. Allocated memory is still 92.3MB. Free memory was 60.8MB in the beginning and 59.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.85ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 43.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:47:30,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-optional-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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_b1db93f4-822f-4f5c-8027-3f9c08631e23/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 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:32,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:32,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:32,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:32,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:32,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:32,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:32,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:32,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:32,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:32,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:32,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:32,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:32,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:32,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:32,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:32,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:32,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:32,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:32,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:32,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:32,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:32,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:32,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:32,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:32,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:32,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:32,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:32,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:32,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:32,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:32,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:32,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:32,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:32,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:32,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:32,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:32,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:32,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:32,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:32,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:32,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:32,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:32,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:33,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:33,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:33,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:33,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:33,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:33,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:33,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:33,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:33,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:33,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:33,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:33,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:33,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:33,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:33,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:33,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:33,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:33,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:33,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:33,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:33,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:33,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:33,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:33,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:33,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:33,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:33,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:33,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:33,009 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:33,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:33,009 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0f1d623fff7bbdf74e6250d2f53fb98e44ca7ba1aae1265f5b0871b427fba0 [2021-11-23 15:47:33,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:33,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:33,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:33,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:33,384 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:33,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-optional-1.i [2021-11-23 15:47:33,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/58cc80c81/eded089608884a36a7ae4cbdacef8649/FLAG910be4dfc [2021-11-23 15:47:33,944 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:33,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i [2021-11-23 15:47:33,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/58cc80c81/eded089608884a36a7ae4cbdacef8649/FLAG910be4dfc [2021-11-23 15:47:34,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/data/58cc80c81/eded089608884a36a7ae4cbdacef8649 [2021-11-23 15:47:34,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:34,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:34,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:34,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:34,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:34,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c2be7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34, skipping insertion in model container [2021-11-23 15:47:34,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:34,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:34,723 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2021-11-23 15:47:34,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:34,765 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:34,826 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_b1db93f4-822f-4f5c-8027-3f9c08631e23/sv-benchmarks/c/forester-heap/sll-optional-1.i[22688,22701] [2021-11-23 15:47:34,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:34,872 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:34,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34 WrapperNode [2021-11-23 15:47:34,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:34,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:34,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:34,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:34,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,957 INFO L137 Inliner]: procedures = 122, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 126 [2021-11-23 15:47:34,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:34,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:34,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:34,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:34,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:35,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:35,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:35,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:35,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:35,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:35,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:35,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:35,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:35,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:35,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:47:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:35,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:35,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:35,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:35,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:35,789 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:35,801 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:35,810 INFO L158 Benchmark]: Toolchain (without parser) took 1543.15ms. Allocated memory is still 71.3MB. Free memory was 51.1MB in the beginning and 44.7MB in the end (delta: 6.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:35,814 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:35,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.51ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 46.4MB in the end (delta: 4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:35,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.41ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:35,817 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 42.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:35,817 INFO L158 Benchmark]: RCFGBuilder took 798.52ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 44.7MB in the end (delta: -2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:47:35,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.51ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 46.4MB in the end (delta: 4.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.41ms. Allocated memory is still 71.3MB. Free memory was 46.2MB in the beginning and 44.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 42.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 798.52ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 44.7MB in the end (delta: -2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:47:35,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1db93f4-822f-4f5c-8027-3f9c08631e23/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