./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:20,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:20,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:01:20,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:20,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:20,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:20,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:20,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:20,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:20,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:20,687 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:20,688 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:20,689 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:20,691 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:20,691 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:20,692 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:20,692 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:20,693 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:20,693 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:20,694 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:20,695 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:20,695 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:20,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:20,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:20,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:20,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:20,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:20,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:20,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:20,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:20,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:20,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:20,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:20,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:20,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:20,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:20,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:20,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:20,705 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:20,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:20,705 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:20,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:20,706 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:20,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:20,707 INFO L153 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_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2023-11-25 00:01:21,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:21,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:21,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:21,083 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:21,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:21,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2023-11-25 00:01:24,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:24,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:24,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2023-11-25 00:01:24,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/data/ef43fd4b4/98a3118ed374433dac193ed3ed06b330/FLAGe2c3c2e15 [2023-11-25 00:01:24,778 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/data/ef43fd4b4/98a3118ed374433dac193ed3ed06b330 [2023-11-25 00:01:24,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:24,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:24,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:24,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:24,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:24,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:24" (1/1) ... [2023-11-25 00:01:24,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692b82e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:24, skipping insertion in model container [2023-11-25 00:01:24,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:24" (1/1) ... [2023-11-25 00:01:24,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:25,268 WARN L240 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_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2023-11-25 00:01:25,276 WARN L240 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_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2023-11-25 00:01:26,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,187 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,190 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,204 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,205 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,208 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,208 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,214 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,215 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,216 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,217 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,634 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:01:26,636 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:01:26,638 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:01:26,639 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:01:26,641 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:01:26,642 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:01:26,643 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:01:26,645 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:01:26,646 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:01:26,647 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:01:26,907 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,918 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:26,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:26,965 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:26,993 WARN L240 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_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2023-11-25 00:01:26,995 WARN L240 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_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2023-11-25 00:01:27,079 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,080 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,080 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,081 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,082 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,092 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,092 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,094 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,094 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,096 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,097 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,097 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,098 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,158 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-25 00:01:27,163 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-25 00:01:27,164 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-25 00:01:27,165 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-25 00:01:27,167 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-25 00:01:27,168 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-25 00:01:27,169 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-25 00:01:27,169 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-25 00:01:27,171 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-25 00:01:27,172 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-25 00:01:27,212 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,218 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-25 00:01:27,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:27,622 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,623 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,623 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,623 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,623 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,623 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,624 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,624 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,624 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,624 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,624 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,625 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,625 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,625 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:01:27,633 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:27,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27 WrapperNode [2023-11-25 00:01:27,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:27,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:27,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:27,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:27,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,792 INFO L138 Inliner]: procedures = 680, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 161 [2023-11-25 00:01:27,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:27,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:27,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:27,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:27,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:27,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:27,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:27,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:27,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (1/1) ... [2023-11-25 00:01:27,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:27,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:27,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:01:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-25 00:01:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-25 00:01:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:01:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-25 00:01:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-25 00:01:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-25 00:01:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-25 00:01:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:01:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:01:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-25 00:01:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-25 00:01:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-25 00:01:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-25 00:01:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-25 00:01:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-25 00:01:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:01:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:01:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:01:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:01:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:01:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-25 00:01:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-25 00:01:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-25 00:01:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-25 00:01:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:28,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:28,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:28,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:28,888 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:28,889 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-25 00:01:28,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:28 BoogieIcfgContainer [2023-11-25 00:01:28,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:28,902 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:28,902 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:28,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:28,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:24" (1/3) ... [2023-11-25 00:01:28,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ac007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:28, skipping insertion in model container [2023-11-25 00:01:28,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:27" (2/3) ... [2023-11-25 00:01:28,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ac007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:28, skipping insertion in model container [2023-11-25 00:01:28,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:28" (3/3) ... [2023-11-25 00:01:28,914 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2023-11-25 00:01:28,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:28,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:01:28,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:29,004 INFO L357 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=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c4ef4a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:29,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:01:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-25 00:01:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-25 00:01:29,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:29,023 INFO L195 NwaCegarLoop]: trace histogram [9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:29,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:29,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash -724245256, now seen corresponding path program 1 times [2023-11-25 00:01:29,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:29,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64344278] [2023-11-25 00:01:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:29,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:29,333 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:01:29,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958404923] [2023-11-25 00:01:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:29,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:29,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:01:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:29,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-25 00:01:29,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-25 00:01:29,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:01:29,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:29,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64344278] [2023-11-25 00:01:29,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-25 00:01:29,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958404923] [2023-11-25 00:01:29,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958404923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:29,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:29,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-25 00:01:29,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729515241] [2023-11-25 00:01:29,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:29,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:01:29,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:29,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:01:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:01:29,981 INFO L87 Difference]: Start difference. First operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:01:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:30,269 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2023-11-25 00:01:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:01:30,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 65 [2023-11-25 00:01:30,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:30,280 INFO L225 Difference]: With dead ends: 145 [2023-11-25 00:01:30,280 INFO L226 Difference]: Without dead ends: 80 [2023-11-25 00:01:30,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:01:30,288 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 23 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:30,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 383 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:01:30,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-25 00:01:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-25 00:01:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-25 00:01:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2023-11-25 00:01:30,337 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2023-11-25 00:01:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:30,339 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2023-11-25 00:01:30,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-25 00:01:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2023-11-25 00:01:30,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-25 00:01:30,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:30,343 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:30,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:01:30,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:01:30,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:01:30,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:30,551 INFO L85 PathProgramCache]: Analyzing trace with hash 870580802, now seen corresponding path program 1 times [2023-11-25 00:01:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:30,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611824740] [2023-11-25 00:01:30,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:30,633 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:01:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616573187] [2023-11-25 00:01:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:30,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:01:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:30,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:01:30,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbdf09f2-a4e7-40fb-9249-8e29c86072d7/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-25 00:01:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:31,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-25 00:01:31,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:01:31,659 INFO L378 Elim1Store]: Elim1 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 15 treesize of output 1 [2023-11-25 00:01:31,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 7 [2023-11-25 00:01:32,581 INFO L378 Elim1Store]: Elim1 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 112 treesize of output 106 [2023-11-25 00:01:33,168 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse0 (= |c_aws_array_list_is_valid_#res| 0)) (.cse1 (mod (select .cse4 (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616)) (.cse2 (select (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|) (+ |c_aws_array_list_is_valid_#in~list.offset| 16)))) (or (and .cse0 (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_17| Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_17| (store (select |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0 (select (select |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0)))) (<= (+ .cse1 1) (mod (select (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0) 18446744073709551616)) (= (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_17| (store (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0 (* .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) |c_#memory_int|)))) (and (let ((.cse3 (= (mod (select .cse4 (+ |c_aws_array_list_is_valid_#in~list.offset| 24)) 18446744073709551616) 0))) (or (and (not .cse3) (or (= |c_aws_array_list_is_valid_#res| 1) (and (= (select (select |c_#memory_$Pointer$.base| |c_aws_array_list_is_valid_#in~list.base|) (+ 32 |c_aws_array_list_is_valid_#in~list.offset|)) 0) (not (= 0 .cse1)) .cse0))) (and .cse0 .cse3))) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|v_aws_array_list_is_valid_~#required_size~0.base_17| Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_17| (store (select |c_old(#memory_$Pointer$.base)| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0 (select (select |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0)))) (<= (mod (select (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0) 18446744073709551616) .cse1) (= (store |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_17| (store (select |c_old(#memory_int)| |v_aws_array_list_is_valid_~#required_size~0.base_17|) 0 (* .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) |c_#memory_int|))))))) is different from true [2023-11-25 00:01:33,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 194 [2023-11-25 00:01:33,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 154 [2023-11-25 00:01:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-25 00:01:33,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:01:40,404 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 297 DAG size of output: 148 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-25 00:01:41,340 INFO L378 Elim1Store]: Elim1 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 15 treesize of output 9 [2023-11-25 00:01:43,933 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int)) (let ((.cse0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse2))) (<= (mod .cse0 18446744073709551616) (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 .cse0)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616)))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int) (v_DerPreprocessor_1 Int)) (or (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616) 0) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 v_DerPreprocessor_1)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 32 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) 0)))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int)) (not (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616) 0))))) is different from false [2023-11-25 00:01:43,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611824740] [2023-11-25 00:01:43,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-25 00:01:43,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616573187] [2023-11-25 00:01:43,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616573187] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:01:43,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [120999230] [2023-11-25 00:01:43,974 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2023-11-25 00:01:43,975 INFO L166 IcfgInterpreter]: Building call graph [2023-11-25 00:01:43,980 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-25 00:01:43,988 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-25 00:01:43,989 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-25 00:01:50,163 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 13 for LOIs [2023-11-25 00:01:50,172 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 111 for LOIs [2023-11-25 00:01:50,815 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 140 for LOIs [2023-11-25 00:01:51,650 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 146 for LOIs [2023-11-25 00:01:51,700 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 79 for LOIs [2023-11-25 00:01:51,844 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 92 for LOIs [2023-11-25 00:01:51,864 INFO L180 IcfgInterpreter]: Interpretation finished