./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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 64bit --witnessprinter.graph.data.programhash bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:15,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:15,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:15,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:15,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:15,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:15,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:15,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:15,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:15,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:15,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:15,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:15,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:15,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:15,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:15,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:15,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:15,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:15,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:15,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:15,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:15,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:15,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:15,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:15,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:15,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:15,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:15,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:15,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:15,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:15,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:15,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:15,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:15,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:15,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:15,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:15,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:15,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:15,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:15,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:15,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:15,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:03:15,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:15,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:15,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:15,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:15,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:15,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:15,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:15,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:15,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:15,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:15,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:15,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:15,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:15,322 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:15,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:15,322 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:15,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:15,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:15,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:15,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:15,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:15,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:15,324 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:15,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:15,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:15,325 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2021-11-23 15:03:15,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:15,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:15,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:15,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:15,655 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:15,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2021-11-23 15:03:15,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/a94366670/265363140152436ca38d9095946d111a/FLAG397d25a80 [2021-11-23 15:03:16,673 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:16,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2021-11-23 15:03:16,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/a94366670/265363140152436ca38d9095946d111a/FLAG397d25a80 [2021-11-23 15:03:17,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/a94366670/265363140152436ca38d9095946d111a [2021-11-23 15:03:17,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:17,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:17,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:17,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:17,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:17,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4ad31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:17, skipping insertion in model container [2021-11-23 15:03:17,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:17" (1/1) ... [2021-11-23 15:03:17,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:17,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:17,520 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2021-11-23 15:03:17,526 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2021-11-23 15:03:18,601 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,602 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,603 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,605 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,622 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,627 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,628 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:18,629 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,041 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 15:03:19,042 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 15:03:19,043 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 15:03:19,045 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 15:03:19,047 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 15:03:19,048 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 15:03:19,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 15:03:19,049 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 15:03:19,050 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 15:03:19,051 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 15:03:19,215 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 15:03:19,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:19,261 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:19,276 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2021-11-23 15:03:19,277 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2021-11-23 15:03:19,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,319 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,320 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,321 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,329 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,330 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,331 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,332 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:19,377 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 15:03:19,378 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 15:03:19,379 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 15:03:19,380 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 15:03:19,381 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 15:03:19,382 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 15:03:19,383 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 15:03:19,383 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 15:03:19,384 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 15:03:19,385 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 15:03:19,408 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 15:03:19,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:19,713 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:19,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19 WrapperNode [2021-11-23 15:03:19,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:19,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:19,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:19,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:19,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,904 INFO L137 Inliner]: procedures = 679, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 225 [2021-11-23 15:03:19,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:19,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:19,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:19,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:19,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:19,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:19,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:19,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:19,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:19,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:19" (1/1) ... [2021-11-23 15:03:20,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:20,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:20,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:20,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 15:03:20,076 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 15:03:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2021-11-23 15:03:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2021-11-23 15:03:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:03:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:03:20,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:03:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 15:03:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 15:03:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 15:03:20,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 15:03:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2021-11-23 15:03:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2021-11-23 15:03:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:03:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:03:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:20,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:20,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 15:03:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 15:03:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 15:03:20,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 15:03:20,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:20,330 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:20,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:20,815 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:20,873 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:20,882 INFO L158 Benchmark]: Toolchain (without parser) took 3753.85ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 62.7MB in the beginning and 99.0MB in the end (delta: -36.3MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,883 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 46.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2589.50ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 62.5MB in the beginning and 64.3MB in the end (delta: -1.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.86ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 57.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,890 INFO L158 Benchmark]: Boogie Preprocessor took 86.36ms. Allocated memory is still 125.8MB. Free memory was 57.3MB in the beginning and 53.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,891 INFO L158 Benchmark]: RCFGBuilder took 883.81ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 53.8MB in the beginning and 99.0MB in the end (delta: -45.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:20,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 46.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2589.50ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 62.5MB in the beginning and 64.3MB in the end (delta: -1.8MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.86ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 57.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.36ms. Allocated memory is still 125.8MB. Free memory was 57.3MB in the beginning and 53.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 883.81ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 53.8MB in the beginning and 99.0MB in the end (delta: -45.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:20,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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 64bit --witnessprinter.graph.data.programhash bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:23,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:23,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:23,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:23,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:23,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:23,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:23,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:23,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:23,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:23,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:23,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:23,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:23,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:23,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:23,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:23,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:23,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:23,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:23,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:23,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:23,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:23,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:23,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:23,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:23,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:23,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:23,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:23,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:23,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:23,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:23,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:23,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:23,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:23,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:23,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:23,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:23,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:23,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:23,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:23,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:23,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:03:23,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:23,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:23,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:23,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:23,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:23,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:23,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:23,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:23,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:23,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:23,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:23,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:23,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:23,755 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:23,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:23,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:23,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:23,756 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:23,756 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:23,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:23,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:23,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:23,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:23,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:23,758 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:23,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:23,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:23,758 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:23,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:23,759 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcbdd24aa3539f554995115754c17957131f4a70e9c01f3bd768b3e606eed4d4 [2021-11-23 15:03:24,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:24,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:24,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:24,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:24,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:24,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2021-11-23 15:03:24,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/fabf67e67/a65f4162995b44f687046b7a71c57d55/FLAG982abe78e [2021-11-23 15:03:25,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:25,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i [2021-11-23 15:03:25,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/fabf67e67/a65f4162995b44f687046b7a71c57d55/FLAG982abe78e [2021-11-23 15:03:25,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/data/fabf67e67/a65f4162995b44f687046b7a71c57d55 [2021-11-23 15:03:25,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:25,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:25,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:25,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:25,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:25,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bbf770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:25, skipping insertion in model container [2021-11-23 15:03:25,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:25" (1/1) ... [2021-11-23 15:03:25,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:25,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:26,090 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2021-11-23 15:03:26,096 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2021-11-23 15:03:27,070 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,071 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,074 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,075 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,076 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,095 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,117 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,119 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,120 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,121 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,121 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,540 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 15:03:27,542 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 15:03:27,543 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 15:03:27,544 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 15:03:27,546 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 15:03:27,547 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 15:03:27,548 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 15:03:27,549 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 15:03:27,550 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 15:03:27,551 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 15:03:27,710 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 15:03:27,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:27,763 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:03:27,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:27,802 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2021-11-23 15:03:27,802 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2021-11-23 15:03:27,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,842 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,843 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,844 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,851 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,852 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,853 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,854 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,855 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,856 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:27,895 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 15:03:27,896 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 15:03:27,897 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 15:03:27,898 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 15:03:27,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 15:03:27,899 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 15:03:27,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 15:03:27,900 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 15:03:27,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 15:03:27,901 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 15:03:27,924 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 15:03:27,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:27,948 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:27,961 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4498,4511] [2021-11-23 15:03:27,962 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_2ed7d56d-504d-45b8-945a-3f6455511d9d/sv-benchmarks/c/aws-c-common/aws_linked_list_pop_back_harness.i[4558,4571] [2021-11-23 15:03:28,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,016 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,017 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,018 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,028 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,028 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,031 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,032 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,033 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,034 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-23 15:03:28,104 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-23 15:03:28,105 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-23 15:03:28,106 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-23 15:03:28,106 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-23 15:03:28,107 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-23 15:03:28,108 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-23 15:03:28,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-23 15:03:28,109 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-23 15:03:28,110 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-23 15:03:28,110 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-23 15:03:28,153 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-23 15:03:28,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:28,403 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:28,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28 WrapperNode [2021-11-23 15:03:28,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:28,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:28,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:28,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:28,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,601 INFO L137 Inliner]: procedures = 698, calls = 1046, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 226 [2021-11-23 15:03:28,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:28,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:28,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:28,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:28,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:28,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:28,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:28,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:28,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:28" (1/1) ... [2021-11-23 15:03:28,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:28,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:28,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-23 15:03:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-23 15:03:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_remove [2021-11-23 15:03:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_remove [2021-11-23 15:03:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:03:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:03:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2021-11-23 15:03:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2021-11-23 15:03:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:03:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2021-11-23 15:03:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2021-11-23 15:03:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:03:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:28,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:03:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_empty [2021-11-23 15:03:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_empty [2021-11-23 15:03:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 15:03:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 15:03:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:03:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:03:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:03:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-23 15:03:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-23 15:03:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2021-11-23 15:03:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2021-11-23 15:03:29,082 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:29,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:29,704 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:29,745 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:29,753 INFO L158 Benchmark]: Toolchain (without parser) took 4050.70ms. Allocated memory was 62.9MB in the beginning and 102.8MB in the end (delta: 39.8MB). Free memory was 36.1MB in the beginning and 37.5MB in the end (delta: -1.4MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:29,753 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:29,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2700.36ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 36.0MB in the beginning and 36.8MB in the end (delta: -763.4kB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:29,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.69ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 30.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:29,760 INFO L158 Benchmark]: Boogie Preprocessor took 84.49ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 26.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:29,761 INFO L158 Benchmark]: RCFGBuilder took 1062.92ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 26.3MB in the beginning and 37.5MB in the end (delta: -11.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:29,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2700.36ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 36.0MB in the beginning and 36.8MB in the end (delta: -763.4kB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.69ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 30.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.49ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 26.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1062.92ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 26.3MB in the beginning and 37.5MB in the end (delta: -11.3MB). Peak memory consumption was 7.7MB. 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 15:03:29,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ed7d56d-504d-45b8-945a-3f6455511d9d/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