./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:17:51,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:17:51,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:17:51,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:17:51,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:17:51,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:17:51,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:17:51,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:17:51,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:17:51,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:17:51,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:17:51,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:17:51,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:17:51,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:17:51,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:17:51,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:17:51,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:17:51,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:17:51,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:17:51,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:17:51,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:17:51,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:17:51,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:17:51,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:17:51,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:17:51,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:17:51,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:17:51,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:17:51,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:17:51,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:17:51,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:17:51,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:17:51,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:17:51,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:17:51,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:17:51,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:17:51,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:17:51,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:17:51,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:17:51,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:17:51,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:17:51,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:17:52,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:17:52,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:17:52,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:17:52,013 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:17:52,013 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:17:52,014 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:17:52,014 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:17:52,014 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:17:52,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:17:52,023 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:17:52,024 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:17:52,025 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:17:52,025 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:17:52,025 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:17:52,026 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:17:52,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:17:52,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:17:52,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:17:52,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:17:52,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:17:52,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:17:52,029 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:17:52,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:17:52,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:17:52,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:17:52,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:17:52,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:17:52,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:52,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:17:52,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:17:52,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:17:52,032 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:17:52,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:17:52,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:17:52,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:17:52,033 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:17:52,034 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 [2021-11-07 02:17:52,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:17:52,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:17:52,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:17:52,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:17:52,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:17:52,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-07 02:17:52,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/57615859d/49bc34246fb04e3788e733ef096ae74d/FLAG45fcfd73c [2021-11-07 02:17:53,527 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:17:53,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-07 02:17:53,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/57615859d/49bc34246fb04e3788e733ef096ae74d/FLAG45fcfd73c [2021-11-07 02:17:54,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/57615859d/49bc34246fb04e3788e733ef096ae74d [2021-11-07 02:17:54,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:17:54,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:17:54,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:54,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:17:54,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:17:54,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:54" (1/1) ... [2021-11-07 02:17:54,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d58d69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:54, skipping insertion in model container [2021-11-07 02:17:54,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:17:54" (1/1) ... [2021-11-07 02:17:54,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:17:54,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:17:54,581 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-07 02:17:54,589 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-07 02:17:54,615 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:54,622 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:55,562 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,563 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,564 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,567 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,614 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,615 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,618 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,629 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,631 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,641 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:55,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,135 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:56,142 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:56,146 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:56,150 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:56,152 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:56,155 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:56,156 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:56,158 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:56,162 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:56,172 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:56,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:56,512 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:17:56,550 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-07 02:17:56,551 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-07 02:17:56,553 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:17:56,554 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:17:56,619 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,620 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,621 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,621 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,622 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,677 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,678 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,679 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,679 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,681 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,682 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,682 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:17:56,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:17:56,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:17:56,779 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:17:56,780 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:17:56,809 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:17:56,810 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:17:56,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:17:56,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:17:56,812 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:17:56,813 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:17:56,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:17:57,096 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:17:57,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57 WrapperNode [2021-11-07 02:17:57,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:17:57,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:17:57,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:17:57,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:17:57,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:17:57,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:17:57,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:17:57,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:17:57,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:17:57,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:17:57,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:17:57,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:17:57,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (1/1) ... [2021-11-07 02:17:57,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:17:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:17:57,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:17:57,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:17:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:17:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 02:17:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:17:57,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:17:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 02:17:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:17:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:17:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 02:17:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:18:18,900 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:18:18,901 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-11-07 02:18:18,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:18 BoogieIcfgContainer [2021-11-07 02:18:18,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:18:18,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:18:18,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:18:18,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:18:18,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:17:54" (1/3) ... [2021-11-07 02:18:18,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4545b271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:18, skipping insertion in model container [2021-11-07 02:18:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:17:57" (2/3) ... [2021-11-07 02:18:18,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4545b271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:18, skipping insertion in model container [2021-11-07 02:18:18,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:18" (3/3) ... [2021-11-07 02:18:18,914 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2021-11-07 02:18:18,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:18:18,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 02:18:19,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:18:19,054 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:18:19,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:18:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 02:18:19,120 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:19,121 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 02:18:19,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:18:19,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:19,137 INFO L85 PathProgramCache]: Analyzing trace with hash 139387218, now seen corresponding path program 1 times [2021-11-07 02:18:19,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:18:19,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463436370] [2021-11-07 02:18:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:19,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:18:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:18:23,108 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:18:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:18:25,648 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 02:18:25,651 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:18:25,652 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:25,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:25,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:25,656 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:18:25,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:18:25,661 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:18:25,664 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:18:25,687 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-07 02:18:25,690 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-07 02:18:25,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-07 02:18:25,692 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-07 02:18:25,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-07 02:18:25,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,698 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-07 02:18:25,699 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,699 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-07 02:18:25,700 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,700 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-07 02:18:25,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,703 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-07 02:18:25,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-07 02:18:25,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,704 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-07 02:18:25,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,705 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-07 02:18:25,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,707 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-07 02:18:25,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,707 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-07 02:18:25,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,708 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-07 02:18:25,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,709 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-07 02:18:25,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,711 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base [2021-11-07 02:18:25,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,711 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base [2021-11-07 02:18:25,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled [2021-11-07 02:18:25,712 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset [2021-11-07 02:18:25,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled [2021-11-07 02:18:25,713 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset [2021-11-07 02:18:25,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:18:25 BoogieIcfgContainer [2021-11-07 02:18:25,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:18:25,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:18:25,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:18:25,803 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:18:25,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:18" (3/4) ... [2021-11-07 02:18:25,807 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:18:25,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:18:25,810 INFO L168 Benchmark]: Toolchain (without parser) took 31780.68 ms. Allocated memory was 94.4 MB in the beginning and 497.0 MB in the end (delta: 402.7 MB). Free memory was 55.7 MB in the beginning and 185.9 MB in the end (delta: -130.1 MB). Peak memory consumption was 272.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,811 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:18:25,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3067.26 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 55.6 MB in the beginning and 58.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 193.64 ms. Allocated memory is still 125.8 MB. Free memory was 58.1 MB in the beginning and 50.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,814 INFO L168 Benchmark]: Boogie Preprocessor took 156.08 ms. Allocated memory is still 125.8 MB. Free memory was 50.3 MB in the beginning and 80.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,815 INFO L168 Benchmark]: RCFGBuilder took 21454.30 ms. Allocated memory was 125.8 MB in the beginning and 497.0 MB in the end (delta: 371.2 MB). Free memory was 80.7 MB in the beginning and 159.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 295.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,816 INFO L168 Benchmark]: TraceAbstraction took 6895.69 ms. Allocated memory is still 497.0 MB. Free memory was 158.6 MB in the beginning and 185.9 MB in the end (delta: -27.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:18:25,816 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 497.0 MB. Free memory is still 185.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:18:25,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 48.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3067.26 ms. Allocated memory was 94.4 MB in the beginning and 125.8 MB in the end (delta: 31.5 MB). Free memory was 55.6 MB in the beginning and 58.1 MB in the end (delta: -2.6 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 193.64 ms. Allocated memory is still 125.8 MB. Free memory was 58.1 MB in the beginning and 50.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 156.08 ms. Allocated memory is still 125.8 MB. Free memory was 50.3 MB in the beginning and 80.7 MB in the end (delta: -30.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21454.30 ms. Allocated memory was 125.8 MB in the beginning and 497.0 MB in the end (delta: 371.2 MB). Free memory was 80.7 MB in the beginning and 159.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 295.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6895.69 ms. Allocated memory is still 497.0 MB. Free memory was 158.6 MB in the beginning and 185.9 MB in the end (delta: -27.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.31 ms. Allocated memory is still 497.0 MB. Free memory is still 185.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_list~0 : { error_list : $Pointer$, count : ~uint16_t~0 }; and expression ~s_list~0.error_list.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~s_common_log_subject_list~0 : { subject_list : $Pointer$, count : int }; and expression ~s_common_log_subject_list~0.subject_list.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6964. Possible FailurePath: [L6766] static __thread int tl_last_error = 0; [L6963-L7111] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7114-L7117] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7119-L7128] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7130-L7133] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7135-L7139] static _Bool s_common_library_initialized = 0 ; [L261] return __VERIFIER_nondet_bool(); [L7152] COND FALSE !(nondet_bool()) [L265] return __VERIFIER_nondet_uint(); [L7165] uint32_t a = nondet_uint32_t(); [L265] return __VERIFIER_nondet_uint(); [L7166] uint32_t b = nondet_uint32_t(); [L7167] uint32_t r = nondet_uint32_t(); [L265] return __VERIFIER_nondet_uint(); [L7167] uint32_t r = nondet_uint32_t(); [L249] unsigned long c; [L250] return __builtin_uaddl_overflow(a, b, &c); [L250] return __builtin_uaddl_overflow(a, b, &c); [L2564] COND TRUE __CPROVER_overflow_plus(a, b) [L6773] tl_last_error = err [L1998] return (-1); [L2565] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L7168] COND FALSE !(!aws_add_u32_checked(a, b, &r)) [L223] COND TRUE !cond VAL [errors={152:0}, s_common_library_initialized=0, s_common_log_subject_infos={167:0}, s_common_log_subject_list={167:0}, s_common_log_subject_list=2, s_list=46, s_list={152:0}, tl_last_error=4] [L223] reach_error() VAL [errors={152:0}, s_common_library_initialized=0, s_common_log_subject_infos={167:0}, s_common_log_subject_list=2, s_common_log_subject_list={167:0}, s_list=46, s_list={152:0}, tl_last_error=4] - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 02:18:25,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:18:28,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:18:28,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:18:28,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:18:28,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:18:28,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:18:28,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:18:28,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:18:28,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:18:28,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:18:28,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:18:28,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:18:28,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:18:28,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:18:28,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:18:28,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:18:28,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:18:28,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:18:28,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:18:28,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:18:28,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:18:28,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:18:28,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:18:28,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:18:28,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:18:28,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:18:28,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:18:28,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:18:28,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:18:28,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:18:28,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:18:28,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:18:28,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:18:28,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:18:28,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:18:28,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:18:28,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:18:28,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:18:28,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:18:28,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:18:28,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:18:28,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:18:29,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:18:29,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:18:29,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:18:29,033 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:18:29,034 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:18:29,034 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:18:29,034 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:18:29,034 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:18:29,035 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:18:29,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:18:29,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:18:29,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:18:29,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:18:29,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:18:29,039 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:18:29,039 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:18:29,039 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:18:29,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:18:29,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:18:29,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:18:29,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:18:29,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:18:29,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:18:29,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:29,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:18:29,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:18:29,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:18:29,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:18:29,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:18:29,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:18:29,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:18:29,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:18:29,043 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_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71dc4166aa59fbdc4a195c0e8e74ddbc9b62d6637364402122018edcdbc9b209 [2021-11-07 02:18:29,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:18:29,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:18:29,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:18:29,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:18:29,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:18:29,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-07 02:18:29,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/ac50a5b85/28c33ed315704abd9f8662600addc0ed/FLAG5a306008c [2021-11-07 02:18:30,667 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:18:30,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i [2021-11-07 02:18:30,733 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/ac50a5b85/28c33ed315704abd9f8662600addc0ed/FLAG5a306008c [2021-11-07 02:18:31,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/data/ac50a5b85/28c33ed315704abd9f8662600addc0ed [2021-11-07 02:18:31,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:18:31,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:18:31,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:31,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:18:31,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:18:31,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:31" (1/1) ... [2021-11-07 02:18:31,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3d5372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:31, skipping insertion in model container [2021-11-07 02:18:31,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:18:31" (1/1) ... [2021-11-07 02:18:31,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:18:31,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:18:31,545 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-07 02:18:31,552 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-07 02:18:31,575 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:18:31,581 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:18:32,766 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,768 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,769 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,770 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,792 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,793 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,802 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,806 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,809 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,811 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:32,812 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,405 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:18:33,409 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:18:33,411 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:18:33,414 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:18:33,415 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:18:33,416 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:18:33,417 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:18:33,418 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:18:33,419 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:18:33,427 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:18:33,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:33,724 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:18:33,736 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4494,4507] [2021-11-07 02:18:33,737 WARN L228 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_972cabbc-be93-45b7-afce-4c3d5ae20276/sv-benchmarks/c/aws-c-common/aws_add_size_checked_harness.i[4554,4567] [2021-11-07 02:18:33,739 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:18:33,741 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:18:33,784 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,785 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,785 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,795 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,797 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,798 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,799 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,800 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,801 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:18:33,854 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:18:33,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:18:33,856 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:18:33,857 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:18:33,858 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:18:33,859 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:18:33,859 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:18:33,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:18:33,860 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:18:33,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:18:33,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:18:34,427 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:18:34,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34 WrapperNode [2021-11-07 02:18:34,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:18:34,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:34,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:18:34,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:18:34,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:18:34,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:18:34,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:18:34,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:18:34,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:18:34,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:18:34,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:18:34,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:18:34,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (1/1) ... [2021-11-07 02:18:34,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:18:34,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:18:34,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:18:34,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:18:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:18:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:18:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:18:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:18:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:18:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:18:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 02:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:18:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:18:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:18:48,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:18:48,756 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-11-07 02:18:48,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:48 BoogieIcfgContainer [2021-11-07 02:18:48,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:18:48,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:18:48,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:18:48,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:18:48,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:18:31" (1/3) ... [2021-11-07 02:18:48,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237d3e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:48, skipping insertion in model container [2021-11-07 02:18:48,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:18:34" (2/3) ... [2021-11-07 02:18:48,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237d3e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:18:48, skipping insertion in model container [2021-11-07 02:18:48,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:18:48" (3/3) ... [2021-11-07 02:18:48,768 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_add_size_checked_harness.i [2021-11-07 02:18:48,774 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:18:48,774 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-07 02:18:48,830 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:18:48,838 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:18:48,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 02:18:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:18:48,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:48,863 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:18:48,864 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:18:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:48,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1240083677, now seen corresponding path program 1 times [2021-11-07 02:18:48,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:48,917 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308115002] [2021-11-07 02:18:48,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:48,918 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:48,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:48,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:48,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:18:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:52,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:18:52,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:53,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:53,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:53,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308115002] [2021-11-07 02:18:53,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308115002] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:53,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:53,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:18:53,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901452989] [2021-11-07 02:18:53,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:18:53,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:53,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:18:53,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:18:53,282 INFO L87 Difference]: Start difference. First operand has 42 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 41 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:18:53,367 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2021-11-07 02:18:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:18:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 02:18:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:18:53,380 INFO L225 Difference]: With dead ends: 64 [2021-11-07 02:18:53,380 INFO L226 Difference]: Without dead ends: 39 [2021-11-07 02:18:53,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:18:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-07 02:18:53,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2021-11-07 02:18:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.15625) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2021-11-07 02:18:53,423 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 13 [2021-11-07 02:18:53,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:18:53,424 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2021-11-07 02:18:53,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:18:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2021-11-07 02:18:53,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:18:53,426 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:18:53,426 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:18:53,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-07 02:18:53,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:18:53,649 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:18:53,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:18:53,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1240072754, now seen corresponding path program 1 times [2021-11-07 02:18:53,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:18:53,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221153747] [2021-11-07 02:18:53,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:18:53,657 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:18:53,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:18:53,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:18:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:18:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:18:57,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-07 02:18:57,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:18:57,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 02:18:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:58,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:18:58,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2021-11-07 02:18:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:18:58,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:18:58,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221153747] [2021-11-07 02:18:58,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221153747] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:18:58,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:18:58,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-07 02:18:58,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780463796] [2021-11-07 02:18:58,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 02:18:58,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:18:58,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 02:18:58,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-07 02:18:58,279 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:00,958 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2021-11-07 02:19:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:19:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 02:19:00,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:00,971 INFO L225 Difference]: With dead ends: 39 [2021-11-07 02:19:00,971 INFO L226 Difference]: Without dead ends: 34 [2021-11-07 02:19:00,972 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:19:00,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-07 02:19:00,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-07 02:19:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 33 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2021-11-07 02:19:00,979 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 13 [2021-11-07 02:19:00,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:00,980 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2021-11-07 02:19:00,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2021-11-07 02:19:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:19:00,981 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:00,982 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:01,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-07 02:19:01,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:01,190 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:01,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:01,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1788027069, now seen corresponding path program 1 times [2021-11-07 02:19:01,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:01,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020913383] [2021-11-07 02:19:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:01,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:01,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:01,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:01,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:19:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:05,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:19:05,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:05,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:05,574 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:19:05,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020913383] [2021-11-07 02:19:05,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020913383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:19:05,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:19:05,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:19:05,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525360175] [2021-11-07 02:19:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:19:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:19:05,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:19:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:19:05,578 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:05,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:19:05,651 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2021-11-07 02:19:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 02:19:05,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 02:19:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:19:05,654 INFO L225 Difference]: With dead ends: 42 [2021-11-07 02:19:05,654 INFO L226 Difference]: Without dead ends: 39 [2021-11-07 02:19:05,655 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:19:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-07 02:19:05,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2021-11-07 02:19:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2021-11-07 02:19:05,668 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 13 [2021-11-07 02:19:05,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:19:05,669 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2021-11-07 02:19:05,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:19:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2021-11-07 02:19:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 02:19:05,673 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:19:05,673 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:19:05,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 02:19:05,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:19:05,874 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:19:05,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:19:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1788016146, now seen corresponding path program 1 times [2021-11-07 02:19:05,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:19:05,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201912596] [2021-11-07 02:19:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:19:05,882 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:19:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:19:05,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:19:05,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:19:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:19:34,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 02:19:34,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:19:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 02:19:34,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 23 [2021-11-07 02:19:34,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 02:19:34,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 37 [2021-11-07 02:19:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:19:35,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:19:37,659 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 02:19:37,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1178 treesize of output 1098 [2021-11-07 02:20:33,234 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_aws_add_size_checked_harness_~b~0 (_ BitVec 64)) (ULTIMATE.start_aws_add_size_checked_harness_~a~0 (_ BitVec 64))) (let ((.cse0 (bvadd ULTIMATE.start_aws_add_size_checked_harness_~a~0 ULTIMATE.start_aws_add_size_checked_harness_~b~0))) (= (concat ((_ extract 63 32) .cse0) ((_ extract 31 0) .cse0)) .cse0))) is different from false [2021-11-07 02:20:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:34,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:34,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201912596] [2021-11-07 02:20:34,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1201912596] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:34,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:34,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2021-11-07 02:20:34,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216585746] [2021-11-07 02:20:34,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:20:34,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:34,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:20:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=52, Unknown=2, NotChecked=0, Total=72 [2021-11-07 02:20:34,401 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:43,503 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2021-11-07 02:20:43,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:20:43,506 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 02:20:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:43,507 INFO L225 Difference]: With dead ends: 39 [2021-11-07 02:20:43,507 INFO L226 Difference]: Without dead ends: 34 [2021-11-07 02:20:43,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=41, Invalid=88, Unknown=3, NotChecked=0, Total=132 [2021-11-07 02:20:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-07 02:20:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-07 02:20:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 30 states have (on average 1.1) internal successors, (33), 33 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2021-11-07 02:20:43,513 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 13 [2021-11-07 02:20:43,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:43,513 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2021-11-07 02:20:43,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2021-11-07 02:20:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 02:20:43,514 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:43,515 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:20:43,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:43,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:43,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-07 02:20:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:43,716 INFO L85 PathProgramCache]: Analyzing trace with hash 795512057, now seen corresponding path program 1 times [2021-11-07 02:20:43,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:43,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98087094] [2021-11-07 02:20:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:43,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:43,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:43,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_972cabbc-be93-45b7-afce-4c3d5ae20276/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process