./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.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_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:32:27,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:32:27,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:32:27,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:32:27,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:32:27,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:32:27,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:32:27,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:32:27,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:32:27,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:32:27,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:32:27,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:32:27,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:32:27,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:32:27,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:32:27,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:32:27,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:32:27,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:32:27,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:32:27,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:32:27,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:32:27,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:32:27,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:32:27,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:32:27,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:32:27,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:32:27,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:32:27,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:32:27,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:32:27,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:32:27,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:32:27,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:32:27,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:32:27,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:32:27,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:32:27,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:32:27,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:32:27,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:32:27,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:32:27,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:32:27,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:32:27,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:32:27,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:32:27,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:32:27,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:32:27,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:32:27,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:32:27,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:32:27,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:32:27,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:32:27,619 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:32:27,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:32:27,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:32:27,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:32:27,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:32:27,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:32:27,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:32:27,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:32:27,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:32:27,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:32:27,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:32:27,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:32:27,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:32:27,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:32:27,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:32:27,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:32:27,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:32:27,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:32:27,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:32:27,627 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:32:27,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:32:27,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:32:27,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-20 09:32:27,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:32:27,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:32:27,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:32:27,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:32:27,999 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:32:28,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-20 09:32:31,208 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:32:31,818 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:32:31,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-20 09:32:31,866 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/aa195b032/0102d04d5719405289e8e5b8256f7b5b/FLAG82e635ddb [2022-11-20 09:32:31,885 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/aa195b032/0102d04d5719405289e8e5b8256f7b5b [2022-11-20 09:32:31,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:32:31,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:32:31,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:31,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:32:31,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:32:31,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:31" (1/1) ... [2022-11-20 09:32:31,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7754508b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:31, skipping insertion in model container [2022-11-20 09:32:31,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:31" (1/1) ... [2022-11-20 09:32:31,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:32:32,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:32:32,278 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-20 09:32:32,288 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-20 09:32:33,358 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:32:33,451 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,452 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,453 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,454 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,455 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,470 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,471 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,474 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,475 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,478 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,479 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,480 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:33,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,023 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:32:34,024 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:32:34,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:32:34,033 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:32:34,037 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:32:34,039 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:32:34,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:32:34,046 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:32:34,049 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:32:34,050 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:32:34,301 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,321 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:34,358 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:32:34,385 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-20 09:32:34,395 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-20 09:32:34,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:32:34,555 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,555 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,556 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,556 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,557 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,565 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,571 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,573 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,574 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,575 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,576 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,583 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,583 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,648 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:32:34,650 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:32:34,651 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:32:34,654 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:32:34,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:32:34,656 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:32:34,657 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:32:34,658 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:32:34,660 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:32:34,661 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:32:34,726 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,745 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:32:34,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:35,035 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:32:35,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35 WrapperNode [2022-11-20 09:32:35,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:35,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:35,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:32:35,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:32:35,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,209 INFO L138 Inliner]: procedures = 681, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 157 [2022-11-20 09:32:35,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:35,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:32:35,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:32:35,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:32:35,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:32:35,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:32:35,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:32:35,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:32:35,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (1/1) ... [2022-11-20 09:32:35,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:32:35,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:35,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:32:35,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:32:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:32:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 09:32:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 09:32:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:32:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 09:32:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 09:32:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 09:32:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 09:32:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:32:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:32:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:32:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:32:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:32:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 09:32:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 09:32:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 09:32:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 09:32:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 09:32:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 09:32:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:32:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:32:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:32:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:32:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:32:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 09:32:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 09:32:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 09:32:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 09:32:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:32:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:32:35,647 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:32:35,649 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:32:36,163 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:32:36,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:32:36,183 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:32:36,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:36 BoogieIcfgContainer [2022-11-20 09:32:36,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:32:36,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:32:36,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:32:36,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:32:36,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:32:31" (1/3) ... [2022-11-20 09:32:36,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dadd9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:32:36, skipping insertion in model container [2022-11-20 09:32:36,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:35" (2/3) ... [2022-11-20 09:32:36,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dadd9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:32:36, skipping insertion in model container [2022-11-20 09:32:36,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:36" (3/3) ... [2022-11-20 09:32:36,200 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-20 09:32:36,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:32:36,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:32:36,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:32:36,317 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6de3a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:32:36,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:32:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 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) [2022-11-20 09:32:36,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 09:32:36,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:36,336 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 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, 1, 1] [2022-11-20 09:32:36,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash -946297550, now seen corresponding path program 1 times [2022-11-20 09:32:36,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:36,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690417851] [2022-11-20 09:32:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:36,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:36,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690417851] [2022-11-20 09:32:36,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-20 09:32:36,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165946451] [2022-11-20 09:32:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:36,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:36,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:36,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:36,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:32:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:36,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 09:32:36,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-20 09:32:37,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:37,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165946451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:37,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:37,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:37,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176530666] [2022-11-20 09:32:37,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:37,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:32:37,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:37,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:32:37,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:32:37,113 INFO L87 Difference]: Start difference. First operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 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 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 09:32:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:37,167 INFO L93 Difference]: Finished difference Result 207 states and 288 transitions. [2022-11-20 09:32:37,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:32:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-11-20 09:32:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:37,183 INFO L225 Difference]: With dead ends: 207 [2022-11-20 09:32:37,184 INFO L226 Difference]: Without dead ends: 97 [2022-11-20 09:32:37,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:32:37,200 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:37,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:32:37,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-20 09:32:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-20 09:32:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 59 states have internal predecessors, (66), 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) [2022-11-20 09:32:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2022-11-20 09:32:37,260 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 89 [2022-11-20 09:32:37,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:37,261 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2022-11-20 09:32:37,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 09:32:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2022-11-20 09:32:37,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 09:32:37,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:37,269 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 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, 1, 1] [2022-11-20 09:32:37,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:37,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:37,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:37,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:37,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2112535568, now seen corresponding path program 1 times [2022-11-20 09:32:37,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:37,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381946229] [2022-11-20 09:32:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:37,578 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:37,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782819052] [2022-11-20 09:32:37,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:37,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:37,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:37,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:37,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:32:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:37,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:32:37,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:38,085 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-20 09:32:38,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:38,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:38,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381946229] [2022-11-20 09:32:38,095 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:38,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782819052] [2022-11-20 09:32:38,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782819052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:38,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:38,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:32:38,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502492595] [2022-11-20 09:32:38,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:38,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:32:38,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:38,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:32:38,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:32:38,099 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2022-11-20 09:32:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:38,440 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2022-11-20 09:32:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:32:38,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 89 [2022-11-20 09:32:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:38,443 INFO L225 Difference]: With dead ends: 166 [2022-11-20 09:32:38,444 INFO L226 Difference]: Without dead ends: 97 [2022-11-20 09:32:38,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:32:38,447 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:38,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 352 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:32:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-20 09:32:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-20 09:32:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 59 states have internal predecessors, (65), 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) [2022-11-20 09:32:38,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2022-11-20 09:32:38,482 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 89 [2022-11-20 09:32:38,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:38,485 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2022-11-20 09:32:38,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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) [2022-11-20 09:32:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2022-11-20 09:32:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 09:32:38,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:38,494 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:38,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:38,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-20 09:32:38,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:38,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:38,701 INFO L85 PathProgramCache]: Analyzing trace with hash 778634374, now seen corresponding path program 1 times [2022-11-20 09:32:38,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:38,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396196179] [2022-11-20 09:32:38,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:38,751 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:38,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469461999] [2022-11-20 09:32:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:38,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:38,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:38,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:32:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:39,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-20 09:32:39,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:39,258 INFO L350 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 13 treesize of output 9 [2022-11-20 09:32:39,405 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_383 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_383)))) is different from true [2022-11-20 09:32:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 09:32:39,799 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:39,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:39,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396196179] [2022-11-20 09:32:39,800 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:39,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469461999] [2022-11-20 09:32:39,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469461999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:39,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:39,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-20 09:32:39,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306447476] [2022-11-20 09:32:39,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:39,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 09:32:39,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:39,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 09:32:39,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=190, Unknown=13, NotChecked=28, Total=272 [2022-11-20 09:32:39,807 INFO L87 Difference]: Start difference. First operand 97 states and 123 transitions. Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-20 09:32:40,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:40,805 INFO L93 Difference]: Finished difference Result 278 states and 380 transitions. [2022-11-20 09:32:40,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 09:32:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 104 [2022-11-20 09:32:40,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:40,811 INFO L225 Difference]: With dead ends: 278 [2022-11-20 09:32:40,811 INFO L226 Difference]: Without dead ends: 211 [2022-11-20 09:32:40,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=303, Unknown=19, NotChecked=36, Total=420 [2022-11-20 09:32:40,812 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 117 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 623 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:40,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 728 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 762 Invalid, 0 Unknown, 623 Unchecked, 0.8s Time] [2022-11-20 09:32:40,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-11-20 09:32:40,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 107. [2022-11-20 09:32:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 68 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-20 09:32:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2022-11-20 09:32:40,852 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 104 [2022-11-20 09:32:40,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:40,855 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2022-11-20 09:32:40,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-20 09:32:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2022-11-20 09:32:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 09:32:40,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:40,867 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:40,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 09:32:41,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:41,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:41,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:41,075 INFO L85 PathProgramCache]: Analyzing trace with hash 385607364, now seen corresponding path program 1 times [2022-11-20 09:32:41,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:41,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264186761] [2022-11-20 09:32:41,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:41,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:41,146 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:41,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259426779] [2022-11-20 09:32:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:41,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:41,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:41,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 09:32:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:41,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:32:41,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-20 09:32:41,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:41,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:41,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264186761] [2022-11-20 09:32:41,435 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:41,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259426779] [2022-11-20 09:32:41,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259426779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:41,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:41,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:32:41,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343504051] [2022-11-20 09:32:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:41,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:32:41,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:41,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:32:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:41,438 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:32:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:41,477 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2022-11-20 09:32:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:32:41,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2022-11-20 09:32:41,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:41,480 INFO L225 Difference]: With dead ends: 189 [2022-11-20 09:32:41,480 INFO L226 Difference]: Without dead ends: 112 [2022-11-20 09:32:41,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:32:41,482 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:41,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:32:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-20 09:32:41,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-11-20 09:32:41,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-20 09:32:41,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2022-11-20 09:32:41,500 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 104 [2022-11-20 09:32:41,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:41,500 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2022-11-20 09:32:41,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:32:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2022-11-20 09:32:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 09:32:41,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:41,503 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:41,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:41,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:41,715 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:41,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:41,715 INFO L85 PathProgramCache]: Analyzing trace with hash -814904288, now seen corresponding path program 1 times [2022-11-20 09:32:41,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861085123] [2022-11-20 09:32:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:41,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:41,795 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:41,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866703864] [2022-11-20 09:32:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:41,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:41,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:41,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 09:32:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:42,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 106 conjunts are in the unsatisfiable core [2022-11-20 09:32:42,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:42,607 INFO L350 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 30 treesize of output 35 [2022-11-20 09:32:45,401 INFO L321 Elim1Store]: treesize reduction 288, result has 17.5 percent of original size [2022-11-20 09:32:45,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 26 case distinctions, treesize of input 242 treesize of output 380 [2022-11-20 09:32:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 09:32:45,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:47,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861085123] [2022-11-20 09:32:47,973 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:47,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866703864] [2022-11-20 09:32:47,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866703864] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:32:47,974 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:32:47,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2022-11-20 09:32:47,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895806265] [2022-11-20 09:32:47,975 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:47,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 09:32:47,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:47,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 09:32:47,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=794, Unknown=2, NotChecked=0, Total=870 [2022-11-20 09:32:47,977 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 26 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-20 09:32:49,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:49,582 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-11-20 09:32:49,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 09:32:49,589 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 106 [2022-11-20 09:32:49,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:49,590 INFO L225 Difference]: With dead ends: 134 [2022-11-20 09:32:49,591 INFO L226 Difference]: Without dead ends: 132 [2022-11-20 09:32:49,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=121, Invalid=1283, Unknown=2, NotChecked=0, Total=1406 [2022-11-20 09:32:49,592 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 63 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 452 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:49,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 933 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1118 Invalid, 0 Unknown, 452 Unchecked, 1.0s Time] [2022-11-20 09:32:49,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-20 09:32:49,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 121. [2022-11-20 09:32:49,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 77 states have (on average 1.12987012987013) internal successors, (87), 80 states have internal predecessors, (87), 31 states have call successors, (31), 10 states have call predecessors, (31), 12 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35) [2022-11-20 09:32:49,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 153 transitions. [2022-11-20 09:32:49,612 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 153 transitions. Word has length 106 [2022-11-20 09:32:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:49,612 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 153 transitions. [2022-11-20 09:32:49,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-20 09:32:49,613 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2022-11-20 09:32:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 09:32:49,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:49,615 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:49,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:49,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:49,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:49,823 INFO L85 PathProgramCache]: Analyzing trace with hash -134845918, now seen corresponding path program 1 times [2022-11-20 09:32:49,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:49,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195598387] [2022-11-20 09:32:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:49,857 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:49,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175585718] [2022-11-20 09:32:49,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:49,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:49,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:49,859 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:49,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 09:32:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:50,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:32:50,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-20 09:32:50,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:32:50,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:50,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195598387] [2022-11-20 09:32:50,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:50,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175585718] [2022-11-20 09:32:50,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175585718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:50,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:50,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:32:50,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293868263] [2022-11-20 09:32:50,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:50,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:32:50,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:50,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:32:50,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:32:50,225 INFO L87 Difference]: Start difference. First operand 121 states and 153 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:32:50,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:50,379 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2022-11-20 09:32:50,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:32:50,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-11-20 09:32:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:50,381 INFO L225 Difference]: With dead ends: 220 [2022-11-20 09:32:50,382 INFO L226 Difference]: Without dead ends: 134 [2022-11-20 09:32:50,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:32:50,383 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:50,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 425 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:32:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-20 09:32:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 123. [2022-11-20 09:32:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 79 states have (on average 1.1265822784810127) internal successors, (89), 82 states have internal predecessors, (89), 31 states have call successors, (31), 10 states have call predecessors, (31), 12 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35) [2022-11-20 09:32:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 155 transitions. [2022-11-20 09:32:50,400 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 155 transitions. Word has length 106 [2022-11-20 09:32:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:50,401 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 155 transitions. [2022-11-20 09:32:50,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:32:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2022-11-20 09:32:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 09:32:50,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:50,403 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:50,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:32:50,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 09:32:50,611 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:32:50,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash 123319520, now seen corresponding path program 1 times [2022-11-20 09:32:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:50,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010384133] [2022-11-20 09:32:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:50,642 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:32:50,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557763719] [2022-11-20 09:32:50,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:50,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:32:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:50,644 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:32:50,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 09:32:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:50,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 144 conjunts are in the unsatisfiable core [2022-11-20 09:32:50,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:32:51,119 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:32:51,366 INFO L350 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 17 treesize of output 9 [2022-11-20 09:32:52,045 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:32:52,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2022-11-20 09:32:53,141 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_977 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_977)))) is different from true [2022-11-20 09:32:53,425 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_977 Int)) (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_977)) |c_#memory_int|)) (not (= 0 (mod (select (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|) (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616)))) is different from true [2022-11-20 09:32:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 51 trivial. 6 not checked. [2022-11-20 09:32:53,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:32:53,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:53,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010384133] [2022-11-20 09:32:53,818 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:32:53,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557763719] [2022-11-20 09:32:53,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557763719] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:32:53,819 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:32:53,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-11-20 09:32:53,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757965013] [2022-11-20 09:32:53,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-20 09:32:53,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 09:32:53,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:53,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 09:32:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=471, Unknown=18, NotChecked=90, Total=650 [2022-11-20 09:32:53,821 INFO L87 Difference]: Start difference. First operand 123 states and 155 transitions. Second operand has 25 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 23 states have internal predecessors, (51), 11 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-20 09:33:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:01,774 INFO L93 Difference]: Finished difference Result 383 states and 523 transitions. [2022-11-20 09:33:01,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 09:33:01,775 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 23 states have internal predecessors, (51), 11 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) Word has length 106 [2022-11-20 09:33:01,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:01,778 INFO L225 Difference]: With dead ends: 383 [2022-11-20 09:33:01,778 INFO L226 Difference]: Without dead ends: 295 [2022-11-20 09:33:01,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=179, Invalid=1365, Unknown=24, NotChecked=154, Total=1722 [2022-11-20 09:33:01,780 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 203 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 3356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1315 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:01,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 1231 Invalid, 3356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 1841 Invalid, 0 Unknown, 1315 Unchecked, 6.5s Time] [2022-11-20 09:33:01,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-11-20 09:33:01,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 216. [2022-11-20 09:33:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 134 states have (on average 1.1044776119402986) internal successors, (148), 139 states have internal predecessors, (148), 59 states have call successors, (59), 20 states have call predecessors, (59), 22 states have return successors, (71), 56 states have call predecessors, (71), 55 states have call successors, (71) [2022-11-20 09:33:01,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2022-11-20 09:33:01,836 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 106 [2022-11-20 09:33:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:01,837 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2022-11-20 09:33:01,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 23 states have internal predecessors, (51), 11 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-20 09:33:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2022-11-20 09:33:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 09:33:01,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:01,839 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:01,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:02,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:02,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:02,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1994785802, now seen corresponding path program 1 times [2022-11-20 09:33:02,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:02,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453760737] [2022-11-20 09:33:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:02,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:02,105 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:33:02,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103821990] [2022-11-20 09:33:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:02,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:02,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:02,107 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:02,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 09:33:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 09:33:02,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:02,590 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 09:33:02,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:02,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:02,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453760737] [2022-11-20 09:33:02,591 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:33:02,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103821990] [2022-11-20 09:33:02,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103821990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:02,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:02,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:33:02,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831935429] [2022-11-20 09:33:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:02,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:33:02,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:02,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:33:02,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:33:02,594 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 09:33:03,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:03,110 INFO L93 Difference]: Finished difference Result 400 states and 506 transitions. [2022-11-20 09:33:03,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:33:03,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 112 [2022-11-20 09:33:03,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:03,114 INFO L225 Difference]: With dead ends: 400 [2022-11-20 09:33:03,114 INFO L226 Difference]: Without dead ends: 210 [2022-11-20 09:33:03,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:33:03,117 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 113 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:03,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 650 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:33:03,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-11-20 09:33:03,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-11-20 09:33:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 130 states have (on average 1.1) internal successors, (143), 136 states have internal predecessors, (143), 57 states have call successors, (57), 20 states have call predecessors, (57), 22 states have return successors, (68), 53 states have call predecessors, (68), 53 states have call successors, (68) [2022-11-20 09:33:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 268 transitions. [2022-11-20 09:33:03,181 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 268 transitions. Word has length 112 [2022-11-20 09:33:03,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:03,181 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 268 transitions. [2022-11-20 09:33:03,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 09:33:03,182 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 268 transitions. [2022-11-20 09:33:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 09:33:03,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:03,185 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:03,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:03,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:03,393 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:03,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 945169320, now seen corresponding path program 1 times [2022-11-20 09:33:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:03,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622257026] [2022-11-20 09:33:03,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:03,435 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:33:03,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [28113] [2022-11-20 09:33:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:03,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:03,437 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:03,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 09:33:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:03,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 174 conjunts are in the unsatisfiable core [2022-11-20 09:33:03,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:03,977 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 09:33:03,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-20 09:33:04,439 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-20 09:33:04,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-20 09:33:04,747 INFO L321 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2022-11-20 09:33:04,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2022-11-20 09:33:04,869 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-20 09:33:04,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 45 [2022-11-20 09:33:05,914 INFO L321 Elim1Store]: treesize reduction 70, result has 28.6 percent of original size [2022-11-20 09:33:05,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 27 treesize of output 45 [2022-11-20 09:33:06,092 INFO L350 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 13 treesize of output 9 [2022-11-20 09:33:06,109 INFO L350 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 30 treesize of output 35 [2022-11-20 09:33:18,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 587 treesize of output 1242 [2022-11-20 09:33:19,306 INFO L217 Elim1Store]: Index analysis took 945 ms [2022-11-20 09:33:23,535 INFO L321 Elim1Store]: treesize reduction 167, result has 12.6 percent of original size [2022-11-20 09:33:23,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 11 new quantified variables, introduced 10 case distinctions, treesize of input 421 treesize of output 1045 [2022-11-20 09:33:26,306 INFO L217 Elim1Store]: Index analysis took 2386 ms [2022-11-20 09:33:44,985 WARN L233 SmtUtils]: Spent 18.67s on a formula simplification. DAG size of input: 338 DAG size of output: 324 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 09:33:44,987 INFO L321 Elim1Store]: treesize reduction 36, result has 94.6 percent of original size [2022-11-20 09:33:44,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 2 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 77 case distinctions, treesize of input 393 treesize of output 991 [2022-11-20 09:33:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 30 proven. 67 refuted. 2 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-20 09:33:48,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:56,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:56,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622257026] [2022-11-20 09:33:56,392 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:33:56,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28113] [2022-11-20 09:33:56,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28113] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:56,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:33:56,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2022-11-20 09:33:56,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694047517] [2022-11-20 09:33:56,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:56,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-20 09:33:56,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:56,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-20 09:33:56,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1292, Unknown=11, NotChecked=0, Total=1406 [2022-11-20 09:33:56,395 INFO L87 Difference]: Start difference. First operand 210 states and 268 transitions. Second operand has 34 states, 29 states have (on average 1.793103448275862) internal successors, (52), 27 states have internal predecessors, (52), 11 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (17), 12 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-20 09:33:57,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:57,297 INFO L93 Difference]: Finished difference Result 240 states and 301 transitions. [2022-11-20 09:33:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-20 09:33:57,297 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 29 states have (on average 1.793103448275862) internal successors, (52), 27 states have internal predecessors, (52), 11 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (17), 12 states have call predecessors, (17), 10 states have call successors, (17) Word has length 113 [2022-11-20 09:33:57,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:57,299 INFO L225 Difference]: With dead ends: 240 [2022-11-20 09:33:57,300 INFO L226 Difference]: Without dead ends: 238 [2022-11-20 09:33:57,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 66 SyntacticMatches, 16 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=157, Invalid=1994, Unknown=11, NotChecked=0, Total=2162 [2022-11-20 09:33:57,301 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 48 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 978 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:57,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 898 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 346 Invalid, 0 Unknown, 978 Unchecked, 0.4s Time] [2022-11-20 09:33:57,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-20 09:33:57,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 228. [2022-11-20 09:33:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 143 states have (on average 1.097902097902098) internal successors, (157), 150 states have internal predecessors, (157), 58 states have call successors, (58), 23 states have call predecessors, (58), 26 states have return successors, (73), 54 states have call predecessors, (73), 54 states have call successors, (73) [2022-11-20 09:33:57,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 288 transitions. [2022-11-20 09:33:57,341 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 288 transitions. Word has length 113 [2022-11-20 09:33:57,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:57,342 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 288 transitions. [2022-11-20 09:33:57,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 29 states have (on average 1.793103448275862) internal successors, (52), 27 states have internal predecessors, (52), 11 states have call successors, (18), 6 states have call predecessors, (18), 8 states have return successors, (17), 12 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-20 09:33:57,342 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 288 transitions. [2022-11-20 09:33:57,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 09:33:57,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:57,344 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:57,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:57,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:57,555 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:57,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:57,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1358926198, now seen corresponding path program 2 times [2022-11-20 09:33:57,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:57,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927370119] [2022-11-20 09:33:57,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:57,599 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:33:57,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1624936721] [2022-11-20 09:33:57,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:33:57,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:57,601 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:57,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 09:33:58,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:33:58,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:33:58,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-20 09:33:58,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-20 09:33:58,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-20 09:33:58,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:58,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927370119] [2022-11-20 09:33:58,771 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:33:58,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624936721] [2022-11-20 09:33:58,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624936721] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:33:58,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:33:58,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2022-11-20 09:33:58,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411316791] [2022-11-20 09:33:58,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:33:58,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 09:33:58,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:58,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 09:33:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:33:58,774 INFO L87 Difference]: Start difference. First operand 228 states and 288 transitions. Second operand has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-20 09:33:59,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:59,169 INFO L93 Difference]: Finished difference Result 289 states and 347 transitions. [2022-11-20 09:33:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:33:59,171 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) Word has length 112 [2022-11-20 09:33:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:59,173 INFO L225 Difference]: With dead ends: 289 [2022-11-20 09:33:59,174 INFO L226 Difference]: Without dead ends: 175 [2022-11-20 09:33:59,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:33:59,175 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 10 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:59,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1586 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:33:59,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-11-20 09:33:59,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2022-11-20 09:33:59,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 111 states have (on average 1.09009009009009) internal successors, (121), 117 states have internal predecessors, (121), 40 states have call successors, (40), 17 states have call predecessors, (40), 21 states have return successors, (47), 38 states have call predecessors, (47), 38 states have call successors, (47) [2022-11-20 09:33:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 208 transitions. [2022-11-20 09:33:59,214 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 208 transitions. Word has length 112 [2022-11-20 09:33:59,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:59,215 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 208 transitions. [2022-11-20 09:33:59,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-20 09:33:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 208 transitions. [2022-11-20 09:33:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-20 09:33:59,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:59,217 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:59,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:59,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:59,425 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:59,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:59,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1405612984, now seen corresponding path program 1 times [2022-11-20 09:33:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:59,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260463130] [2022-11-20 09:33:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:59,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:59,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:33:59,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1343332177] [2022-11-20 09:33:59,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:59,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:59,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:59,462 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:59,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 09:33:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:59,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:33:59,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:59,925 INFO L350 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 13 treesize of output 9 [2022-11-20 09:34:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-11-20 09:34:00,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:00,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:00,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260463130] [2022-11-20 09:34:00,111 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 09:34:00,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343332177] [2022-11-20 09:34:00,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343332177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:00,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:00,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:34:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958668127] [2022-11-20 09:34:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:00,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:34:00,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:00,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:34:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:34:00,113 INFO L87 Difference]: Start difference. First operand 173 states and 208 transitions. Second operand has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-20 09:34:01,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:01,173 INFO L93 Difference]: Finished difference Result 295 states and 363 transitions. [2022-11-20 09:34:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:34:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 117 [2022-11-20 09:34:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:01,175 INFO L225 Difference]: With dead ends: 295 [2022-11-20 09:34:01,175 INFO L226 Difference]: Without dead ends: 199 [2022-11-20 09:34:01,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:34:01,176 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 118 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:01,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 586 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 09:34:01,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-20 09:34:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 173. [2022-11-20 09:34:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 111 states have (on average 1.09009009009009) internal successors, (121), 117 states have internal predecessors, (121), 40 states have call successors, (40), 17 states have call predecessors, (40), 21 states have return successors, (47), 38 states have call predecessors, (47), 38 states have call successors, (47) [2022-11-20 09:34:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 208 transitions. [2022-11-20 09:34:01,240 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 208 transitions. Word has length 117 [2022-11-20 09:34:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:01,242 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 208 transitions. [2022-11-20 09:34:01,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 8 states have call successors, (19), 3 states have call predecessors, (19), 4 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-20 09:34:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 208 transitions. [2022-11-20 09:34:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 09:34:01,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:01,245 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:01,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:01,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 09:34:01,460 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:34:01,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1400716810, now seen corresponding path program 1 times [2022-11-20 09:34:01,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:01,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672587656] [2022-11-20 09:34:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:01,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:01,521 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 09:34:01,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649850775] [2022-11-20 09:34:01,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:01,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,523 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 09:34:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:02,730 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:34:02,731 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:34:02,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 09:34:02,946 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:02,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:34:03,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:34:03 BoogieIcfgContainer [2022-11-20 09:34:03,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:34:03,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:34:03,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:34:03,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:34:03,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:36" (3/4) ... [2022-11-20 09:34:03,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:34:03,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:34:03,059 INFO L158 Benchmark]: Toolchain (without parser) took 91167.97ms. Allocated memory was 180.4MB in the beginning and 297.8MB in the end (delta: 117.4MB). Free memory was 125.4MB in the beginning and 175.5MB in the end (delta: -50.0MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,059 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 149.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:03,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3142.97ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 125.4MB in the beginning and 128.9MB in the end (delta: -3.5MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.49ms. Allocated memory is still 247.5MB. Free memory was 128.9MB in the beginning and 122.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,065 INFO L158 Benchmark]: Boogie Preprocessor took 74.76ms. Allocated memory is still 247.5MB. Free memory was 122.6MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,066 INFO L158 Benchmark]: RCFGBuilder took 899.44ms. Allocated memory is still 247.5MB. Free memory was 119.5MB in the beginning and 177.4MB in the end (delta: -58.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,066 INFO L158 Benchmark]: TraceAbstraction took 86865.55ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 176.4MB in the beginning and 175.5MB in the end (delta: 901.2kB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-20 09:34:03,067 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 297.8MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:03,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 149.1MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3142.97ms. Allocated memory was 180.4MB in the beginning and 247.5MB in the end (delta: 67.1MB). Free memory was 125.4MB in the beginning and 128.9MB in the end (delta: -3.5MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.49ms. Allocated memory is still 247.5MB. Free memory was 128.9MB in the beginning and 122.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.76ms. Allocated memory is still 247.5MB. Free memory was 122.6MB in the beginning and 119.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 899.44ms. Allocated memory is still 247.5MB. Free memory was 119.5MB in the beginning and 177.4MB in the end (delta: -58.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 86865.55ms. Allocated memory was 247.5MB in the beginning and 297.8MB in the end (delta: 50.3MB). Free memory was 176.4MB in the beginning and 175.5MB in the end (delta: 901.2kB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 297.8MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 16.1GB. * 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 __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; VAL [s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={6:0}, r={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={6:0}, r={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=170141183460469231713240559642174554112, initial_item_allocation=9223372036854775808, item_size=2, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={4:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=170141183460469231713240559642174554112, bounded_malloc(len)={-1:0}, initial_item_allocation=9223372036854775808, item_size=2, len={6:0}, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={-1:0}, array={-1:0}, s_can_fail_allocator_static={4:0}, size=0, storage={7:0}, storage={7:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={9:8}, r={9:8}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={9:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={9:0}, list={9:0}, list->item_size=-18446744073709551614, list->length=0, required_size={5:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={5:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, \result=-255, a=0, b=2, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=-255, a=0, b=2, r={5:0}, r={5:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err VAL [\old(err)=4, \old(tl_last_error)=0, err=4, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L1996] RET aws_raise_error_private(err) [L1998] return (-1); VAL [\old(err)=4, \old(tl_last_error)=0, \result=-1, err=4, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={5:0}, r={5:0}, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={9:0}, list={9:0}, list->item_size=-18446744073709551614, list->length=0, required_size={5:0}, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) VAL [\old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231713240559642174554112, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={5:0}, required_size_is_valid=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=0, \old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231713240559642174554112, list->current_size=170141183460469231713240559642174554112, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={5:0}, required_size_is_valid=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=1, \old(tl_last_error)=0, current_size_is_valid=1, list={9:0}, list={9:0}, list->current_size=170141183460469231713240559642174554112, list->current_size=170141183460469231713240559642174554112, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={5:0}, required_size_is_valid=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={9:0}, list={9:0}, required_size_is_valid=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={9:0}, list={9:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 86.7s, OverallIterations: 12, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 890 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 838 mSDsluCounter, 7883 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3368 IncrementalHoareTripleChecker+Unchecked, 6657 mSDsCounter, 647 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5915 IncrementalHoareTripleChecker+Invalid, 9930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 647 mSolverCounterUnsat, 1226 mSDtfsCounter, 5915 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1337 GetRequests, 1103 SyntacticMatches, 23 SemanticMatches, 211 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=9, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 246 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 63.3s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1258 ConstructedInterpolants, 122 QuantifiedInterpolants, 8615 SizeOfPredicates, 195 NumberOfNonLiveVariables, 7671 ConjunctsInSsa, 591 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 1856/2088 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 [2022-11-20 09:34:03,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.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_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:34:05,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:34:05,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:34:05,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:34:05,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:34:05,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:34:05,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:34:05,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:34:05,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:34:05,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:34:05,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:34:05,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:34:05,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:34:05,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:34:05,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:34:05,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:34:05,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:34:05,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:34:05,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:34:05,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:34:05,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:34:05,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:34:05,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:34:05,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:34:05,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:34:05,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:34:05,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:34:05,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:34:05,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:34:05,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:34:05,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:34:05,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:34:05,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:34:05,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:34:05,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:34:05,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:34:05,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:34:05,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:34:05,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:34:05,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:34:05,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:34:05,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:34:05,563 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:34:05,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:34:05,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:34:05,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:34:05,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:34:05,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:34:05,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:34:05,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:34:05,567 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:34:05,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:34:05,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:34:05,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:34:05,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:34:05,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:34:05,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:34:05,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:34:05,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:34:05,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:34:05,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:34:05,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:34:05,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:34:05,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:34:05,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:34:05,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:34:05,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:34:05,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:34:05,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:34:05,573 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:34:05,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:34:05,573 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:34:05,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:34:05,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:34:05,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:34:05,574 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-20 09:34:05,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:34:05,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:34:05,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:34:05,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:34:05,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:34:05,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-20 09:34:09,039 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:34:09,648 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:34:09,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-20 09:34:09,694 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/43988385f/5b9a64f2f6d742dd928ae98f6e0e37b5/FLAG177105c0d [2022-11-20 09:34:09,717 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/data/43988385f/5b9a64f2f6d742dd928ae98f6e0e37b5 [2022-11-20 09:34:09,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:34:09,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:34:09,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:34:09,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:34:09,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:34:09,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:09" (1/1) ... [2022-11-20 09:34:09,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e213d63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:09, skipping insertion in model container [2022-11-20 09:34:09,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:34:09" (1/1) ... [2022-11-20 09:34:09,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:34:09,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:34:10,264 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-20 09:34:10,274 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-20 09:34:11,158 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:34:11,231 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,232 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,232 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,233 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,234 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,256 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,257 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,258 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,259 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,261 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,262 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,263 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,264 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,674 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:34:11,675 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:34:11,676 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:34:11,695 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:34:11,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:34:11,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:34:11,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:34:11,706 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:34:11,711 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:34:11,712 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:34:11,933 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,941 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:11,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:34:11,982 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:34:12,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:34:12,037 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-20 09:34:12,039 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-20 09:34:12,092 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:34:12,107 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,108 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,108 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,109 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,110 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,118 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,119 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,120 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,122 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,122 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,123 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:34:12,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:34:12,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:34:12,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:34:12,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:34:12,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:34:12,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:34:12,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:34:12,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:34:12,167 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:34:12,197 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,217 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:34:12,230 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:34:12,244 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-20 09:34:12,244 WARN L237 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_ef776bd0-ec46-43d8-993d-6a3bba527e08/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-20 09:34:12,273 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 09:34:12,286 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,287 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,287 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,288 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,288 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,294 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,297 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,300 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,300 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,302 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,302 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,304 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,304 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 09:34:12,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 09:34:12,358 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 09:34:12,359 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 09:34:12,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 09:34:12,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 09:34:12,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 09:34:12,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 09:34:12,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 09:34:12,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 09:34:12,424 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,429 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 09:34:12,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:34:12,804 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:34:12,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12 WrapperNode [2022-11-20 09:34:12,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:34:12,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:34:12,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:34:12,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:34:12,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:12,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:12,958 INFO L138 Inliner]: procedures = 700, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 154 [2022-11-20 09:34:12,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:34:12,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:34:12,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:34:12,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:34:12,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:12,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:12,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:12,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,062 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:34:13,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:34:13,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:34:13,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:34:13,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (1/1) ... [2022-11-20 09:34:13,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:34:13,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:13,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:13,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:34:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:34:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 09:34:13,206 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 09:34:13,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:34:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:34:13,207 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 09:34:13,208 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 09:34:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 09:34:13,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 09:34:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:34:13,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:34:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:34:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:34:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:34:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 09:34:13,210 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 09:34:13,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:34:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 09:34:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 09:34:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:34:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 09:34:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 09:34:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:34:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:34:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:34:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:34:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:34:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:34:13,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:34:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 09:34:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 09:34:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 09:34:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 09:34:13,602 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:34:13,604 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:34:16,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:34:16,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:34:16,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:34:16,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:16 BoogieIcfgContainer [2022-11-20 09:34:16,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:34:16,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:34:16,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:34:16,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:34:16,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:34:09" (1/3) ... [2022-11-20 09:34:16,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c7e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:16, skipping insertion in model container [2022-11-20 09:34:16,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:34:12" (2/3) ... [2022-11-20 09:34:16,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@221c7e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:34:16, skipping insertion in model container [2022-11-20 09:34:16,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:34:16" (3/3) ... [2022-11-20 09:34:16,121 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-20 09:34:16,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:34:16,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:34:16,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:34:16,228 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24f53144, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:34:16,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:34:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 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) [2022-11-20 09:34:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 09:34:16,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:16,251 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 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, 1] [2022-11-20 09:34:16,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:34:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-11-20 09:34:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:16,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1518420531] [2022-11-20 09:34:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:16,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:16,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:16,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:34:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:16,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 09:34:16,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-20 09:34:17,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:17,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:34:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1518420531] [2022-11-20 09:34:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1518420531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:17,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:17,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:34:17,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703010113] [2022-11-20 09:34:17,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:17,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:34:17,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:34:17,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:34:17,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:34:17,081 INFO L87 Difference]: Start difference. First operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 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 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 09:34:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:17,150 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-11-20 09:34:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:34:17,153 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2022-11-20 09:34:17,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:17,169 INFO L225 Difference]: With dead ends: 205 [2022-11-20 09:34:17,170 INFO L226 Difference]: Without dead ends: 96 [2022-11-20 09:34:17,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:34:17,183 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:17,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:34:17,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-20 09:34:17,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-20 09:34:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 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) [2022-11-20 09:34:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-11-20 09:34:17,250 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-11-20 09:34:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:17,251 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-11-20 09:34:17,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 09:34:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-11-20 09:34:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 09:34:17,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:17,258 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 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, 1] [2022-11-20 09:34:17,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:17,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:17,471 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:34:17,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:17,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-11-20 09:34:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:17,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100894495] [2022-11-20 09:34:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:17,473 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:17,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:17,500 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:17,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 09:34:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:18,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 09:34:18,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:18,308 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-20 09:34:18,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:18,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:34:18,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100894495] [2022-11-20 09:34:18,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100894495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:18,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:18,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:34:18,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467560584] [2022-11-20 09:34:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:18,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:34:18,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:34:18,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:34:18,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:34:18,312 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-20 09:34:20,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:34:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:20,812 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-11-20 09:34:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:34:20,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 88 [2022-11-20 09:34:20,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:20,820 INFO L225 Difference]: With dead ends: 165 [2022-11-20 09:34:20,821 INFO L226 Difference]: Without dead ends: 98 [2022-11-20 09:34:20,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:34:20,822 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:20,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 475 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:34:20,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-20 09:34:20,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-20 09:34:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-20 09:34:20,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2022-11-20 09:34:20,854 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 88 [2022-11-20 09:34:20,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:20,857 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2022-11-20 09:34:20,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-20 09:34:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2022-11-20 09:34:20,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 09:34:20,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:20,868 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-20 09:34:20,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:21,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:21,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:34:21,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-11-20 09:34:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:34:21,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313326196] [2022-11-20 09:34:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:21,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:34:21,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:34:21,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:34:21,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 09:34:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:23,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-20 09:34:23,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:23,682 INFO L350 Elim1Store]: Elim1 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 70 treesize of output 95 [2022-11-20 09:34:33,075 WARN L859 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1|)) (.cse0 (bvmul |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2|))) (and (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= (select .cse1 (_ bv1 64)) ((_ extract 15 8) .cse0)) (= (select .cse1 (_ bv2 64)) ((_ extract 23 16) .cse0)) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= (select .cse1 (_ bv0 64)) ((_ extract 7 0) .cse0)) (= (select .cse1 (_ bv3 64)) ((_ extract 31 24) .cse0)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv2 64)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv0 64))))) is different from true [2022-11-20 09:34:41,645 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_2| (_ BitVec 64)) (|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3| (_ BitVec 64))) (let ((.cse0 (bvmul |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3|)) (.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_2|))) (and (= ((_ extract 31 24) .cse0) (select .cse1 (_ bv3 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= (select .cse1 (_ bv0 64)) ((_ extract 7 0) .cse0)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3| (_ bv2 64)) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= (select .cse1 (_ bv1 64)) ((_ extract 15 8) .cse0)) (= ((_ extract 23 16) .cse0) (select .cse1 (_ bv2 64))) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3| (_ bv0 64)) (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64)))))) is different from true [2022-11-20 09:35:15,437 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 104 DAG size of output: 69 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 09:35:15,538 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:35:15,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 179 treesize of output 83 [2022-11-20 09:35:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:35:24,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,436 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:35:24,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 163 [2022-11-20 09:36:02,432 WARN L837 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse2 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset))))) (.cse1 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0)))) |c_#memory_int|) (not (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse2 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base)) is different from false [2022-11-20 09:36:15,366 WARN L837 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) |c_aws_array_list_is_valid_#t~short133| (let ((.cse2 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset))))) (.cse1 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0)))) |c_#memory_int|) (not (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse2 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base)) is different from false [2022-11-20 09:37:21,834 WARN L233 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 09:37:31,172 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 09:37:31,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 136 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1226 treesize of output 871 [2022-11-20 09:37:42,758 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 55 refuted. 25 times theorem prover too weak. 64 trivial. 10 not checked. [2022-11-20 09:37:42,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:38:15,027 WARN L233 SmtUtils]: Spent 14.10s on a formula simplification that was a NOOP. DAG size: 241 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:38:24,547 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 199 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:38:33,775 WARN L233 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:38:44,369 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse2 (let ((.cse13 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse13 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (let ((.cse1 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse12 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (let ((.cse11 ((_ extract 63 56) .cse12)) (.cse10 ((_ extract 55 48) .cse12)) (.cse9 ((_ extract 47 40) .cse12)) (.cse8 ((_ extract 39 32) .cse12)) (.cse7 ((_ extract 31 24) .cse12)) (.cse6 ((_ extract 23 16) .cse12)) (.cse5 ((_ extract 15 8) .cse12)) (.cse4 ((_ extract 7 0) .cse12))) (bvuge (let ((.cse3 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) (_ bv0 64) .cse4) (_ bv1 64) .cse5) (_ bv2 64) .cse6) (_ bv3 64) .cse7) (_ bv4 64) .cse8) (_ bv5 64) .cse9) (_ bv6 64) .cse10) (_ bv7 64) .cse11)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse3 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64)))) (select .cse3 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64)))) (select .cse3 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (concat (concat (concat (concat (concat (concat (concat .cse11 .cse10) .cse9) .cse8) .cse7) .cse6) .cse5) .cse4))))))) is different from true [2022-11-20 09:38:44,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:38:44,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313326196] [2022-11-20 09:38:44,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313326196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:38:44,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [677663532] [2022-11-20 09:38:44,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:38:44,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 09:38:44,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 09:38:44,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 09:38:44,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-20 09:39:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:39:20,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 09:39:20,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:39:40,339 INFO L350 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 13 treesize of output 9 [2022-11-20 09:40:02,051 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_643 (_ BitVec 64)) (v_ArrVal_642 (_ BitVec 64)) (v_ArrVal_641 (_ BitVec 64)) (v_ArrVal_640 (_ BitVec 64)) (v_ArrVal_639 (_ BitVec 64)) (v_ArrVal_637 (_ BitVec 64)) (v_ArrVal_636 (_ BitVec 64)) (v_ArrVal_644 (_ BitVec 64))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_643) (bvadd (_ bv1 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_642) (bvadd (_ bv2 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_641) (bvadd (_ bv3 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_640) (bvadd (_ bv4 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_639) (bvadd |c_aws_mul_size_checked_#in~r#1.offset| (_ bv5 64)) v_ArrVal_637) (bvadd (_ bv6 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_636) (bvadd (_ bv7 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_644)) |c_#memory_$Pointer$.base|)) is different from true [2022-11-20 09:40:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 09:40:27,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:27,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [677663532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:27,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:40:27,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [36] total 51 [2022-11-20 09:40:27,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802104613] [2022-11-20 09:40:27,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:27,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 09:40:27,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 09:40:27,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2099, Unknown=134, NotChecked=594, Total=2970 [2022-11-20 09:40:27,996 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-20 09:40:39,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:40:43,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:43,177 INFO L93 Difference]: Finished difference Result 212 states and 276 transitions. [2022-11-20 09:40:43,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 09:40:43,178 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 103 [2022-11-20 09:40:43,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:43,181 INFO L225 Difference]: With dead ends: 212 [2022-11-20 09:40:43,181 INFO L226 Difference]: Without dead ends: 143 [2022-11-20 09:40:43,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 228.9s TimeCoverageRelationStatistics Valid=152, Invalid=2282, Unknown=140, NotChecked=618, Total=3192 [2022-11-20 09:40:43,184 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 86 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 622 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:43,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 714 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 796 Invalid, 1 Unknown, 622 Unchecked, 7.4s Time] [2022-11-20 09:40:43,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-20 09:40:43,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 106. [2022-11-20 09:40:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 67 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-20 09:40:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2022-11-20 09:40:43,206 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 103 [2022-11-20 09:40:43,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:43,207 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-20 09:40:43,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-20 09:40:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2022-11-20 09:40:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 09:40:43,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:43,209 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-20 09:40:43,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-20 09:40:43,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2022-11-20 09:40:43,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 09:40:43,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:40:43,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:43,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1445488720, now seen corresponding path program 1 times [2022-11-20 09:40:43,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:43,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915286782] [2022-11-20 09:40:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:43,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:43,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:43,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:43,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 09:40:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:44,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:40:44,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-20 09:40:44,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:44,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:40:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915286782] [2022-11-20 09:40:44,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915286782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:44,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:44,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:40:44,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355185931] [2022-11-20 09:40:44,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:44,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:40:44,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:40:44,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:40:44,434 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:40:44,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:40:44,553 INFO L93 Difference]: Finished difference Result 188 states and 238 transitions. [2022-11-20 09:40:44,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:40:44,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 103 [2022-11-20 09:40:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:40:44,558 INFO L225 Difference]: With dead ends: 188 [2022-11-20 09:40:44,558 INFO L226 Difference]: Without dead ends: 111 [2022-11-20 09:40:44,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:40:44,559 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:40:44,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:40:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-20 09:40:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2022-11-20 09:40:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 69 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-20 09:40:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 139 transitions. [2022-11-20 09:40:44,575 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 139 transitions. Word has length 103 [2022-11-20 09:40:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:40:44,575 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 139 transitions. [2022-11-20 09:40:44,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 09:40:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2022-11-20 09:40:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 09:40:44,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:44,577 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:40:44,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:40:44,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:44,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:40:44,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:44,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1354483148, now seen corresponding path program 1 times [2022-11-20 09:40:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:44,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336521216] [2022-11-20 09:40:44,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:44,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:44,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:44,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 09:40:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:46,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-20 09:40:46,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:47,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:40:47,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:40:47,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 163 [2022-11-20 09:41:16,371 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (let ((.cse8 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse8 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse8 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse8 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse0 (= (_ bv0 64) .cse1))) (or (and (not .cse0) (not |c_aws_array_list_is_valid_#t~short129|)) (and .cse0 |c_aws_array_list_is_valid_#t~short129|))) (let ((.cse3 (let ((.cse7 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse7 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse2 (bvmul .cse3 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse2)) (_ bv1 64) ((_ extract 15 8) .cse2)) (_ bv2 64) ((_ extract 23 16) .cse2)) (_ bv3 64) ((_ extract 31 24) .cse2)) (_ bv4 64) ((_ extract 39 32) .cse2)) (_ bv5 64) ((_ extract 47 40) .cse2)) (_ bv6 64) ((_ extract 55 48) .cse2)) (_ bv7 64) ((_ extract 63 56) .cse2)))) |c_#memory_int|) (not (bvuge .cse1 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse1 (let ((.cse5 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (_ bv7 64)) (select .cse5 (_ bv6 64))) (select .cse5 (_ bv5 64))) (select .cse5 (_ bv4 64))) (select .cse5 (_ bv3 64))) (select .cse5 (_ bv2 64))) (select .cse5 (_ bv1 64))) (select .cse5 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse6 (bvmul .cse3 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse6)) (_ bv1 64) ((_ extract 15 8) .cse6)) (_ bv2 64) ((_ extract 23 16) .cse6)) (_ bv3 64) ((_ extract 31 24) .cse6)) (_ bv4 64) ((_ extract 39 32) .cse6)) (_ bv5 64) ((_ extract 47 40) .cse6)) (_ bv6 64) ((_ extract 55 48) .cse6)) (_ bv7 64) ((_ extract 63 56) .cse6)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-20 09:41:23,049 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-20 09:41:34,636 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base) |c_aws_array_list_is_valid_#t~short132|)) is different from false [2022-11-20 09:41:46,258 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) |c_aws_array_list_is_valid_#t~short133| (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-20 09:41:57,093 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse2 (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse6 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|))))) (and (let ((.cse1 (let ((.cse9 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse9 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse5 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0))))) (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (let ((.cse4 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (or (and (not .cse4) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and .cse4 .cse5)))) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse7 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse7)) (_ bv1 64) ((_ extract 15 8) .cse7)) (_ bv2 64) ((_ extract 23 16) .cse7)) (_ bv3 64) ((_ extract 31 24) .cse7)) (_ bv4 64) ((_ extract 39 32) .cse7)) (_ bv5 64) ((_ extract 47 40) .cse7)) (_ bv6 64) ((_ extract 55 48) .cse7)) (_ bv7 64) ((_ extract 63 56) .cse7))))) (not (bvuge .cse2 (let ((.cse8 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (_ bv7 64)) (select .cse8 (_ bv6 64))) (select .cse8 (_ bv5 64))) (select .cse8 (_ bv4 64))) (select .cse8 (_ bv3 64))) (select .cse8 (_ bv2 64))) (select .cse8 (_ bv1 64))) (select .cse8 (_ bv0 64)))))))) .cse5))) (= (_ bv0 64) .cse2)))) is different from false [2022-11-20 09:42:02,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 136 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1226 treesize of output 871 [2022-11-20 09:42:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 09:42:05,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:43:36,562 WARN L233 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 263 DAG size of output: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:43:45,725 WARN L233 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 197 DAG size of output: 192 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:43:55,219 WARN L233 SmtUtils]: Spent 9.49s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:44:11,709 WARN L233 SmtUtils]: Spent 16.49s on a formula simplification that was a NOOP. DAG size: 198 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 09:44:15,850 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse2 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64))) (.cse5 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64))) (.cse6 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse8 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse10 (let ((.cse22 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse22 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (let ((.cse9 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) ((_ extract 7 0) .cse9)) (_ bv1 64) ((_ extract 15 8) .cse9)) (_ bv2 64) ((_ extract 23 16) .cse9)) (_ bv3 64) ((_ extract 31 24) .cse9)) (_ bv4 64) ((_ extract 39 32) .cse9)) (_ bv5 64) ((_ extract 47 40) .cse9)) (_ bv6 64) ((_ extract 55 48) .cse9)) (_ bv7 64) ((_ extract 63 56) .cse9)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 .cse1) (select .cse0 .cse2)) (select .cse0 .cse3)) (select .cse0 .cse4)) (select .cse0 .cse5)) (select .cse0 .cse6)) (select .cse0 .cse7)) (select .cse0 .cse8)))) (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse21 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (let ((.cse19 ((_ extract 7 0) .cse21)) (.cse18 ((_ extract 15 8) .cse21)) (.cse17 ((_ extract 23 16) .cse21)) (.cse16 ((_ extract 31 24) .cse21)) (.cse15 ((_ extract 39 32) .cse21)) (.cse14 ((_ extract 47 40) .cse21)) (.cse13 ((_ extract 55 48) .cse21)) (.cse12 ((_ extract 63 56) .cse21))) (let ((.cse11 (let ((.cse20 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) .cse19) (_ bv1 64) .cse18) (_ bv2 64) .cse17) (_ bv3 64) .cse16) (_ bv4 64) .cse15) (_ bv5 64) .cse14) (_ bv6 64) .cse13) (_ bv7 64) .cse12)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse20 .cse1) (select .cse20 .cse2)) (select .cse20 .cse3)) (select .cse20 .cse4)) (select .cse20 .cse5)) (select .cse20 .cse6)) (select .cse20 .cse7)) (select .cse20 .cse8))))) (or (not (= (_ bv0 64) .cse11)) (bvuge .cse11 (concat (concat (concat (concat (concat (concat (concat .cse12 .cse13) .cse14) .cse15) .cse16) .cse17) .cse18) .cse19))))))))) is different from true [2022-11-20 09:44:15,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:44:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336521216] [2022-11-20 09:44:15,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336521216] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:44:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [558081862] [2022-11-20 09:44:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:44:15,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 09:44:15,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 09:44:15,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 09:44:15,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef776bd0-ec46-43d8-993d-6a3bba527e08/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-20 09:46:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:46:20,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-20 09:46:20,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:46:22,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 09:46:22,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 09:46:22,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 170 [2022-11-20 09:47:03,063 WARN L837 $PredicateComparison]: unable to prove that (and (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (= |c_aws_array_list_is_valid_#t~ret124| (_ bv0 32)) (= (_ bv0 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) (= |c_#memory_int| (store |c_old(#memory_int)| |c_aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (let ((.cse1 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (bvmul (concat (concat (concat (concat (concat (concat (concat (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse1 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64)))) (concat (concat (concat (concat (concat (concat (concat (select .cse1 (bvadd (_ bv31 64) c_aws_array_list_is_valid_~list.offset)) (select .cse1 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv30 64)))) (select .cse1 (bvadd (_ bv29 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv28 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv27 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv26 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv25 64) c_aws_array_list_is_valid_~list.offset))) (select .cse1 (bvadd (_ bv24 64) c_aws_array_list_is_valid_~list.offset))))))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |c_aws_array_list_is_valid_~#required_size~0.base|) |c_aws_array_list_is_valid_~#required_size~0.offset| ((_ extract 7 0) .cse0)) (bvadd (_ bv1 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 15 8) .cse0)) (bvadd (_ bv2 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 23 16) .cse0)) (bvadd (_ bv3 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 31 24) .cse0)) (bvadd (_ bv4 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 39 32) .cse0)) (bvadd (_ bv5 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 47 40) .cse0)) (bvadd (_ bv6 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 55 48) .cse0)) (bvadd (_ bv7 64) |c_aws_array_list_is_valid_~#required_size~0.offset|) ((_ extract 63 56) .cse0))))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base)) is different from false