./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:37:32,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:32,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:32,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:32,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:32,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:32,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:32,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:32,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:32,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:32,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:32,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:32,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:32,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:32,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:32,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:32,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:32,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:32,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:32,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:32,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:32,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:32,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:32,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:33,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:33,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:33,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:33,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:33,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:33,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:33,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:33,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:33,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:33,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:33,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:33,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:33,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:33,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:33,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:33,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:33,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:33,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:37:33,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:33,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:33,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:33,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:33,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:33,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:33,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:33,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:33,064 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:33,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:33,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:37:33,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:33,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:33,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:33,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:33,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:33,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:33,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:33,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:33,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:33,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:33,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:33,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:33,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:33,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:33,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:37:33,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:37:33,069 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:33,069 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:33,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:33,069 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-21 16:37:33,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:33,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:33,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:33,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:33,395 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:33,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-21 16:37:36,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:36,988 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:36,989 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-21 16:37:37,031 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/111e93b49/bd3f7d557f8a410d80be3b8be27f876e/FLAG20cb4d1d1 [2022-11-21 16:37:37,049 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/111e93b49/bd3f7d557f8a410d80be3b8be27f876e [2022-11-21 16:37:37,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:37,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:37,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:37,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:37,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:37,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:37" (1/1) ... [2022-11-21 16:37:37,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7266cb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:37, skipping insertion in model container [2022-11-21 16:37:37,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:37" (1/1) ... [2022-11-21 16:37:37,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:37,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:37,486 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-21 16:37:37,497 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-21 16:37:38,381 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:37:38,449 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,450 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,450 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,451 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,452 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,464 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,464 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,466 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,467 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,468 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,469 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,470 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,471 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:38,848 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:37:38,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:37:38,852 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:37:38,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:37:38,861 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:37:38,863 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:37:38,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:37:38,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:37:38,869 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:37:38,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:37:39,020 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,028 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:39,059 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:39,074 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-21 16:37:39,074 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-21 16:37:39,110 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:37:39,126 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,127 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,127 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,128 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,129 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,138 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,138 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,139 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,140 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,141 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,141 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:37:39,205 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:37:39,206 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:37:39,207 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:37:39,208 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:37:39,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:37:39,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:37:39,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:37:39,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:37:39,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:37:39,266 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,271 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:37:39,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:39,451 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:39,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39 WrapperNode [2022-11-21 16:37:39,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:39,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:39,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:39,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:39,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,564 INFO L138 Inliner]: procedures = 681, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 157 [2022-11-21 16:37:39,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:39,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:39,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:39,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:39,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:39,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:39,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:39,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:39,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (1/1) ... [2022-11-21 16:37:39,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:39,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:39,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:39,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:39,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-21 16:37:39,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-21 16:37:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:37:39,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-21 16:37:39,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-21 16:37:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 16:37:39,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 16:37:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:37:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:37:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 16:37:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 16:37:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-21 16:37:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-21 16:37:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-21 16:37:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-21 16:37:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:37:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:37:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:37:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:37:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-21 16:37:39,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-21 16:37:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-21 16:37:39,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-21 16:37:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:37:39,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:40,108 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:40,122 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:40,536 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:40,543 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:40,543 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:37:40,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:40 BoogieIcfgContainer [2022-11-21 16:37:40,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:40,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:40,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:40,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:40,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:37" (1/3) ... [2022-11-21 16:37:40,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49586d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:40, skipping insertion in model container [2022-11-21 16:37:40,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:39" (2/3) ... [2022-11-21 16:37:40,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49586d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:40, skipping insertion in model container [2022-11-21 16:37:40,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:40" (3/3) ... [2022-11-21 16:37:40,554 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-21 16:37:40,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:40,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:40,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:40,631 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;@3f3c47ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:40,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:40,635 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) [2022-11-21 16:37:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 16:37:40,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:40,647 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] [2022-11-21 16:37:40,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:40,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:40,653 INFO L85 PathProgramCache]: Analyzing trace with hash -946297550, now seen corresponding path program 1 times [2022-11-21 16:37:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:40,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362851243] [2022-11-21 16:37:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:41,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:41,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362851243] [2022-11-21 16:37:41,026 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-21 16:37:41,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540641309] [2022-11-21 16:37:41,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:41,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:41,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:41,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:41,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:37:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:41,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 16:37:41,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-21 16:37:41,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:41,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540641309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:41,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:41,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:37:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207820922] [2022-11-21 16:37:41,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:41,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:37:41,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:41,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:37:41,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:37:41,476 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) [2022-11-21 16:37:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:41,528 INFO L93 Difference]: Finished difference Result 207 states and 288 transitions. [2022-11-21 16:37:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:37:41,530 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 [2022-11-21 16:37:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:41,538 INFO L225 Difference]: With dead ends: 207 [2022-11-21 16:37:41,538 INFO L226 Difference]: Without dead ends: 97 [2022-11-21 16:37:41,542 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 [2022-11-21 16:37:41,548 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 [2022-11-21 16:37:41,549 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] [2022-11-21 16:37:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-21 16:37:41,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-21 16:37:41,597 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) [2022-11-21 16:37:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2022-11-21 16:37:41,601 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 89 [2022-11-21 16:37:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:41,602 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2022-11-21 16:37:41,602 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) [2022-11-21 16:37:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2022-11-21 16:37:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 16:37:41,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:41,610 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] [2022-11-21 16:37:41,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 16:37:41,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-21 16:37:41,817 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:41,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:41,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2112535568, now seen corresponding path program 1 times [2022-11-21 16:37:41,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:41,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121615076] [2022-11-21 16:37:41,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:41,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:41,920 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:37:41,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757330501] [2022-11-21 16:37:41,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:41,943 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:41,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 16:37:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:42,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:37:42,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-21 16:37:42,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:42,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121615076] [2022-11-21 16:37:42,415 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:37:42,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757330501] [2022-11-21 16:37:42,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757330501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:42,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:42,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:37:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315337078] [2022-11-21 16:37:42,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:42,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:37:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:42,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:37:42,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:37:42,422 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) [2022-11-21 16:37:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:42,815 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2022-11-21 16:37:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:37:42,816 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 [2022-11-21 16:37:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:42,820 INFO L225 Difference]: With dead ends: 166 [2022-11-21 16:37:42,820 INFO L226 Difference]: Without dead ends: 97 [2022-11-21 16:37:42,824 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 [2022-11-21 16:37:42,829 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 [2022-11-21 16:37:42,829 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] [2022-11-21 16:37:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-21 16:37:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-21 16:37:42,849 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) [2022-11-21 16:37:42,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2022-11-21 16:37:42,858 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 89 [2022-11-21 16:37:42,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:42,862 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2022-11-21 16:37:42,866 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) [2022-11-21 16:37:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2022-11-21 16:37:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-21 16:37:42,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:42,872 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] [2022-11-21 16:37:42,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-21 16:37:43,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:43,081 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:43,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash 778634374, now seen corresponding path program 1 times [2022-11-21 16:37:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515298512] [2022-11-21 16:37:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:43,128 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:37:43,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [917045729] [2022-11-21 16:37:43,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:43,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:43,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 16:37:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:43,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 52 conjunts are in the unsatisfiable core [2022-11-21 16:37:43,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:43,594 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 [2022-11-21 16:37:43,724 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 [2022-11-21 16:37:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-21 16:37:44,029 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:37:44,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:44,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515298512] [2022-11-21 16:37:44,030 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:37:44,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917045729] [2022-11-21 16:37:44,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917045729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:44,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:44,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-21 16:37:44,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107138147] [2022-11-21 16:37:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:44,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-21 16:37:44,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-21 16:37:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=190, Unknown=13, NotChecked=28, Total=272 [2022-11-21 16:37:44,033 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) [2022-11-21 16:37:46,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:37:46,288 INFO L93 Difference]: Finished difference Result 210 states and 276 transitions. [2022-11-21 16:37:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-21 16:37:46,289 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 [2022-11-21 16:37:46,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:37:46,292 INFO L225 Difference]: With dead ends: 210 [2022-11-21 16:37:46,292 INFO L226 Difference]: Without dead ends: 143 [2022-11-21 16:37:46,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=562, Unknown=19, NotChecked=50, Total=756 [2022-11-21 16:37:46,294 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 163 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 121 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 186 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:37:46,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 419 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 968 Invalid, 37 Unknown, 186 Unchecked, 1.8s Time] [2022-11-21 16:37:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-21 16:37:46,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 100. [2022-11-21 16:37:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 62 states have internal predecessors, (67), 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) [2022-11-21 16:37:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2022-11-21 16:37:46,327 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 104 [2022-11-21 16:37:46,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:37:46,329 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2022-11-21 16:37:46,329 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) [2022-11-21 16:37:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2022-11-21 16:37:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 16:37:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:46,333 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] [2022-11-21 16:37:46,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-21 16:37:46,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:46,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:46,541 INFO L85 PathProgramCache]: Analyzing trace with hash -814904288, now seen corresponding path program 1 times [2022-11-21 16:37:46,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:46,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473601793] [2022-11-21 16:37:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:46,588 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:37:46,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773708553] [2022-11-21 16:37:46,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:46,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:37:46,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:46,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:37:46,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 16:37:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:46,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-21 16:37:47,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:37:47,310 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 27 treesize of output 32 [2022-11-21 16:37:48,602 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse3 (= |c_aws_array_list_is_valid_#res| 0)) (.cse4 (select (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|) (+ |c_aws_array_list_is_valid_#in~list.offset| 16))) (.cse5 (mod (select .cse6 (+ |c_aws_array_list_is_valid_#in~list.offset| 8)) 18446744073709551616))) (let ((.cse0 (= (mod (select .cse6 (+ |c_aws_array_list_is_valid_#in~list.offset| 24)) 18446744073709551616) 0)) (.cse1 (and .cse3 (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|aws_array_list_is_valid_~#required_size~0.base| Int)) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) 0 (* .cse4 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) |c_#memory_int|) (not (<= (mod (select (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|) 0) 18446744073709551616) .cse5)))))) (.cse2 (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| Int) (|aws_array_list_is_valid_~#required_size~0.base| Int)) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) 0 (* .cse4 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) |c_#memory_int|) (<= (mod (select (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|) 0) 18446744073709551616) .cse5))))) (or (and (not .cse0) (or .cse1 (and .cse2 (= |c_aws_array_list_is_valid_#res| 1)))) (and .cse0 (or .cse1 (and .cse2 .cse3))))))) is different from true [2022-11-21 16:37:48,816 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 16:37:48,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 195 treesize of output 297 [2022-11-21 16:37:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-21 16:37:49,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:37:56,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:56,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473601793] [2022-11-21 16:37:56,370 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:37:56,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773708553] [2022-11-21 16:37:56,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773708553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:37:56,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:37:56,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-11-21 16:37:56,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124375681] [2022-11-21 16:37:56,371 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-21 16:37:56,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-21 16:37:56,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:56,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-21 16:37:56,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=4, NotChecked=52, Total=812 [2022-11-21 16:37:56,373 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 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) [2022-11-21 16:38:00,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 16:38:16,578 WARN L233 SmtUtils]: Spent 13.79s on a formula simplification. DAG size of input: 79 DAG size of output: 77 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 16:38:18,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:18,908 INFO L93 Difference]: Finished difference Result 131 states and 165 transitions. [2022-11-21 16:38:18,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-21 16:38:18,909 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 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 [2022-11-21 16:38:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:18,911 INFO L225 Difference]: With dead ends: 131 [2022-11-21 16:38:18,911 INFO L226 Difference]: Without dead ends: 129 [2022-11-21 16:38:18,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 24.6s TimeCoverageRelationStatistics Valid=143, Invalid=1417, Unknown=4, NotChecked=76, Total=1640 [2022-11-21 16:38:18,913 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 134 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 1744 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 152 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:18,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 758 Invalid, 1995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1744 Invalid, 0 Unknown, 152 Unchecked, 5.1s Time] [2022-11-21 16:38:18,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-11-21 16:38:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 117. [2022-11-21 16:38:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 76 states have internal predecessors, (83), 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) [2022-11-21 16:38:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2022-11-21 16:38:18,952 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 106 [2022-11-21 16:38:18,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:18,953 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2022-11-21 16:38:18,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 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) [2022-11-21 16:38:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2022-11-21 16:38:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 16:38:18,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:18,955 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] [2022-11-21 16:38:18,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:38:19,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-21 16:38:19,164 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash -134845918, now seen corresponding path program 1 times [2022-11-21 16:38:19,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:19,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112871781] [2022-11-21 16:38:19,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:19,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:19,210 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:38:19,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650624108] [2022-11-21 16:38:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:19,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:19,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:19,223 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:38:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 16:38:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:19,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:38:19,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-21 16:38:19,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:38:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:19,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112871781] [2022-11-21 16:38:19,551 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:38:19,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650624108] [2022-11-21 16:38:19,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650624108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:19,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:19,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:38:19,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928523736] [2022-11-21 16:38:19,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:19,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:38:19,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:19,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:38:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:38:19,556 INFO L87 Difference]: Start difference. First operand 117 states and 149 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) [2022-11-21 16:38:19,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:19,739 INFO L93 Difference]: Finished difference Result 218 states and 273 transitions. [2022-11-21 16:38:19,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:38:19,740 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 [2022-11-21 16:38:19,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:19,742 INFO L225 Difference]: With dead ends: 218 [2022-11-21 16:38:19,742 INFO L226 Difference]: Without dead ends: 136 [2022-11-21 16:38:19,742 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 [2022-11-21 16:38:19,743 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 17 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:19,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 428 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:38:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-21 16:38:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2022-11-21 16:38:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 82 states have internal predecessors, (91), 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) [2022-11-21 16:38:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-11-21 16:38:19,782 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 106 [2022-11-21 16:38:19,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:19,783 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-11-21 16:38:19,783 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) [2022-11-21 16:38:19,783 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-11-21 16:38:19,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 16:38:19,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:19,785 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] [2022-11-21 16:38:19,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-21 16:38:19,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:19,997 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:19,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:19,998 INFO L85 PathProgramCache]: Analyzing trace with hash 123319520, now seen corresponding path program 1 times [2022-11-21 16:38:19,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90498332] [2022-11-21 16:38:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:19,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:20,054 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:38:20,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1339003547] [2022-11-21 16:38:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:20,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:20,056 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:38:20,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 16:38:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:20,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 144 conjunts are in the unsatisfiable core [2022-11-21 16:38:20,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:20,501 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 [2022-11-21 16:38:23,541 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 [2022-11-21 16:38:24,287 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 [2022-11-21 16:38:25,226 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 [2022-11-21 16:38:25,515 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_833 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_833)) |c_#memory_int|)) is different from true [2022-11-21 16:38:25,868 WARN L859 $PredicateComparison]: unable to prove that (and (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))) (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_833 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_833)) |c_#memory_int|))) is different from true [2022-11-21 16:38:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 29 proven. 97 refuted. 0 times theorem prover too weak. 39 trivial. 6 not checked. [2022-11-21 16:38:25,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:38:26,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:26,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90498332] [2022-11-21 16:38:26,212 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:38:26,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339003547] [2022-11-21 16:38:26,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339003547] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:38:26,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:38:26,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2022-11-21 16:38:26,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075117831] [2022-11-21 16:38:26,213 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-21 16:38:26,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-21 16:38:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:26,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-21 16:38:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=507, Unknown=20, NotChecked=94, Total=702 [2022-11-21 16:38:26,215 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 26 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-21 16:38:32,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 16:38:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:46,719 INFO L93 Difference]: Finished difference Result 408 states and 546 transitions. [2022-11-21 16:38:46,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-21 16:38:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) Word has length 106 [2022-11-21 16:38:46,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:46,723 INFO L225 Difference]: With dead ends: 408 [2022-11-21 16:38:46,723 INFO L226 Difference]: Without dead ends: 320 [2022-11-21 16:38:46,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 694 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=388, Invalid=2455, Unknown=27, NotChecked=210, Total=3080 [2022-11-21 16:38:46,725 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 426 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 368 mSolverCounterUnsat, 99 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 3509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 99 IncrementalHoareTripleChecker+Unknown, 561 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:46,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 542 Invalid, 3509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 2481 Invalid, 99 Unknown, 561 Unchecked, 15.2s Time] [2022-11-21 16:38:46,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-21 16:38:46,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 229. [2022-11-21 16:38:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 149 states have (on average 1.1610738255033557) internal successors, (173), 153 states have internal predecessors, (173), 57 states have call successors, (57), 19 states have call predecessors, (57), 22 states have return successors, (64), 56 states have call predecessors, (64), 53 states have call successors, (64) [2022-11-21 16:38:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 294 transitions. [2022-11-21 16:38:46,784 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 294 transitions. Word has length 106 [2022-11-21 16:38:46,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:46,785 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 294 transitions. [2022-11-21 16:38:46,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 2.347826086956522) internal successors, (54), 24 states have internal predecessors, (54), 11 states have call successors, (18), 6 states have call predecessors, (18), 9 states have return successors, (17), 11 states have call predecessors, (17), 10 states have call successors, (17) [2022-11-21 16:38:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 294 transitions. [2022-11-21 16:38:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 16:38:46,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:46,788 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] [2022-11-21 16:38:46,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:38:46,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:46,996 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:46,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:46,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1358926198, now seen corresponding path program 1 times [2022-11-21 16:38:46,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:46,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401327425] [2022-11-21 16:38:46,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:46,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:47,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:38:47,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153465003] [2022-11-21 16:38:47,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:47,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:47,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:47,034 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:38:47,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 16:38:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:47,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-21 16:38:47,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-21 16:38:47,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:38:47,912 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-21 16:38:47,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:47,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401327425] [2022-11-21 16:38:47,913 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:38:47,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153465003] [2022-11-21 16:38:47,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153465003] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:38:47,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:38:47,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2022-11-21 16:38:47,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700942407] [2022-11-21 16:38:47,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:38:47,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 16:38:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:47,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 16:38:47,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:38:47,915 INFO L87 Difference]: Start difference. First operand 229 states and 294 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) [2022-11-21 16:38:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:48,394 INFO L93 Difference]: Finished difference Result 328 states and 413 transitions. [2022-11-21 16:38:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 16:38:48,397 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 [2022-11-21 16:38:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:48,401 INFO L225 Difference]: With dead ends: 328 [2022-11-21 16:38:48,402 INFO L226 Difference]: Without dead ends: 231 [2022-11-21 16:38:48,402 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 [2022-11-21 16:38:48,405 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 8 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:48,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1788 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:38:48,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-11-21 16:38:48,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2022-11-21 16:38:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 149 states have (on average 1.1610738255033557) internal successors, (173), 153 states have internal predecessors, (173), 57 states have call successors, (57), 19 states have call predecessors, (57), 22 states have return successors, (62), 56 states have call predecessors, (62), 53 states have call successors, (62) [2022-11-21 16:38:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 292 transitions. [2022-11-21 16:38:48,459 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 292 transitions. Word has length 112 [2022-11-21 16:38:48,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:48,464 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 292 transitions. [2022-11-21 16:38:48,464 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) [2022-11-21 16:38:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 292 transitions. [2022-11-21 16:38:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 16:38:48,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:48,467 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] [2022-11-21 16:38:48,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:38:48,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 16:38:48,674 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1994785802, now seen corresponding path program 2 times [2022-11-21 16:38:48,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:48,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794721157] [2022-11-21 16:38:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:48,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:48,747 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:38:48,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270428516] [2022-11-21 16:38:48,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:38:48,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:48,751 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:38:48,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 16:38:49,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 16:38:49,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:38:49,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-21 16:38:49,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-21 16:38:49,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:38:49,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:49,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794721157] [2022-11-21 16:38:49,238 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:38:49,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270428516] [2022-11-21 16:38:49,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270428516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:49,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:49,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:38:49,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463172801] [2022-11-21 16:38:49,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:49,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:38:49,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:49,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:38:49,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:38:49,241 INFO L87 Difference]: Start difference. First operand 229 states and 292 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 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) [2022-11-21 16:38:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:49,527 INFO L93 Difference]: Finished difference Result 341 states and 430 transitions. [2022-11-21 16:38:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:38:49,527 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 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 [2022-11-21 16:38:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:49,532 INFO L225 Difference]: With dead ends: 341 [2022-11-21 16:38:49,532 INFO L226 Difference]: Without dead ends: 223 [2022-11-21 16:38:49,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:38:49,535 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 28 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:49,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 855 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:38:49,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-21 16:38:49,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-21 16:38:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 145 states have (on average 1.1586206896551725) internal successors, (168), 150 states have internal predecessors, (168), 55 states have call successors, (55), 19 states have call predecessors, (55), 22 states have return successors, (59), 53 states have call predecessors, (59), 51 states have call successors, (59) [2022-11-21 16:38:49,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 282 transitions. [2022-11-21 16:38:49,593 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 282 transitions. Word has length 112 [2022-11-21 16:38:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:49,593 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 282 transitions. [2022-11-21 16:38:49,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 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) [2022-11-21 16:38:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 282 transitions. [2022-11-21 16:38:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-21 16:38:49,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:49,596 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] [2022-11-21 16:38:49,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:38:49,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:49,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:49,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:49,806 INFO L85 PathProgramCache]: Analyzing trace with hash 945169320, now seen corresponding path program 1 times [2022-11-21 16:38:49,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:49,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862967503] [2022-11-21 16:38:49,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:49,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:49,843 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:38:49,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098936327] [2022-11-21 16:38:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:49,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:38:49,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:49,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:38:49,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 16:38:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:50,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 122 conjunts are in the unsatisfiable core [2022-11-21 16:38:50,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:50,816 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 [2022-11-21 16:38:50,835 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 [2022-11-21 16:39:13,267 WARN L233 SmtUtils]: Spent 15.49s on a formula simplification. DAG size of input: 64 DAG size of output: 62 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 16:39:14,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 362 treesize of output 591 [2022-11-21 16:39:14,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 470 [2022-11-21 16:39:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-21 16:39:15,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:39:30,069 WARN L233 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 53 DAG size of output: 47 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 16:39:30,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:39:30,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862967503] [2022-11-21 16:39:30,071 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-21 16:39:30,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098936327] [2022-11-21 16:39:30,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098936327] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:39:30,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:39:30,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2022-11-21 16:39:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562047799] [2022-11-21 16:39:30,072 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-21 16:39:30,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-21 16:39:30,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:39:30,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-21 16:39:30,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=901, Unknown=11, NotChecked=0, Total=992 [2022-11-21 16:39:30,073 INFO L87 Difference]: Start difference. First operand 223 states and 282 transitions. Second operand has 28 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 23 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-21 16:39:35,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 16:39:39,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-21 16:39:51,678 WARN L233 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 16:39:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:54,908 INFO L93 Difference]: Finished difference Result 248 states and 308 transitions. [2022-11-21 16:39:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-21 16:39:54,909 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 23 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) Word has length 113 [2022-11-21 16:39:54,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:54,910 INFO L225 Difference]: With dead ends: 248 [2022-11-21 16:39:54,910 INFO L226 Difference]: Without dead ends: 246 [2022-11-21 16:39:54,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 43.6s TimeCoverageRelationStatistics Valid=154, Invalid=1727, Unknown=11, NotChecked=0, Total=1892 [2022-11-21 16:39:54,912 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 152 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 132 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:54,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 812 Invalid, 2343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2198 Invalid, 13 Unknown, 0 Unchecked, 12.4s Time] [2022-11-21 16:39:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-11-21 16:39:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 223. [2022-11-21 16:39:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 145 states have (on average 1.1586206896551725) internal successors, (168), 150 states have internal predecessors, (168), 55 states have call successors, (55), 19 states have call predecessors, (55), 22 states have return successors, (59), 53 states have call predecessors, (59), 51 states have call successors, (59) [2022-11-21 16:39:54,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 282 transitions. [2022-11-21 16:39:54,961 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 282 transitions. Word has length 113 [2022-11-21 16:39:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:54,962 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 282 transitions. [2022-11-21 16:39:54,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 1.9583333333333333) internal successors, (47), 23 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-21 16:39:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 282 transitions. [2022-11-21 16:39:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 16:39:54,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:54,964 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] [2022-11-21 16:39:54,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:39:55,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:39:55,178 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:55,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:55,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1400716810, now seen corresponding path program 1 times [2022-11-21 16:39:55,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:39:55,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505035760] [2022-11-21 16:39:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:39:55,208 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-21 16:39:55,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [886884421] [2022-11-21 16:39:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:39:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:39:55,210 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:39:55,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-21 16:39:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:39:55,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:39:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:39:56,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:39:56,158 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:39:56,159 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:39:56,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:39:56,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:39:56,373 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:39:56,376 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:39:56,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:39:56 BoogieIcfgContainer [2022-11-21 16:39:56,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:39:56,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:39:56,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:39:56,486 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:39:56,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:40" (3/4) ... [2022-11-21 16:39:56,489 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:39:56,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:39:56,490 INFO L158 Benchmark]: Toolchain (without parser) took 139433.31ms. Allocated memory was 130.0MB in the beginning and 255.9MB in the end (delta: 125.8MB). Free memory was 78.0MB in the beginning and 123.0MB in the end (delta: -44.9MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,490 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:39:56,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2392.85ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 101.5MB in the end (delta: -23.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.69ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 95.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,491 INFO L158 Benchmark]: Boogie Preprocessor took 87.55ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 91.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,491 INFO L158 Benchmark]: RCFGBuilder took 882.38ms. Allocated memory is still 167.8MB. Free memory was 91.9MB in the beginning and 120.4MB in the end (delta: -28.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,492 INFO L158 Benchmark]: TraceAbstraction took 135937.75ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 119.4MB in the beginning and 124.0MB in the end (delta: -4.7MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,492 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 255.9MB. Free memory was 124.0MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:39:56,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2392.85ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 77.7MB in the beginning and 101.5MB in the end (delta: -23.8MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.69ms. Allocated memory is still 167.8MB. Free memory was 101.5MB in the beginning and 95.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.55ms. Allocated memory is still 167.8MB. Free memory was 95.2MB in the beginning and 91.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 882.38ms. Allocated memory is still 167.8MB. Free memory was 91.9MB in the beginning and 120.4MB in the end (delta: -28.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 135937.75ms. Allocated memory was 167.8MB in the beginning and 255.9MB in the end (delta: 88.1MB). Free memory was 119.4MB in the beginning and 124.0MB in the end (delta: -4.7MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 255.9MB. Free memory was 124.0MB in the beginning and 123.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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={5:0}, list={7:0}, 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={5:0}, list={7:0}, 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={5:0}, list={7:0}, 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={5:0}, r={5:0}, 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={5:0}, r={5:0}, 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={5:0}, list={7:0}, 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={5:0}, list={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=18446744073709551616, initial_item_allocation=9223372036854775808, item_size=2, len={5:0}, list={7:0}, 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)=18446744073709551616, bounded_malloc(len)={-1:0}, initial_item_allocation=9223372036854775808, item_size=2, len={5:0}, list={7:0}, 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={9:0}, storage={9:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:8}, r={7:8}, 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={7:8}, r={7:8}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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={7:0}, 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={7:0}, list={7:0}, list->item_size=2, list->length=0, required_size={10:0}, 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={10:0}, 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=257, 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)=257, a=0, b=2, r={10:0}, r={10:0}, 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={10:0}, r={10:0}, 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={7:0}, list={7:0}, list->item_size=2, list->length=0, required_size={10:0}, 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={7:0}, list={7:0}, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={10:0}, 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={7:0}, list={7:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={10:0}, 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={7:0}, list={7:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={-1:0}, required_size={10:0}, 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={7:0}, list={7:0}, 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={7:0}, list={7:0}, 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: 135.8s, OverallIterations: 10, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 71.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 mSolverCounterUnknown, 1136 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1071 mSDsluCounter, 6087 SdHoareTripleChecker+Invalid, 34.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 899 IncrementalHoareTripleChecker+Unchecked, 5261 mSDsCounter, 785 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8301 IncrementalHoareTripleChecker+Invalid, 10134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 785 mSolverCounterUnsat, 826 mSDtfsCounter, 8301 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1131 GetRequests, 920 SyntacticMatches, 6 SemanticMatches, 205 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1459 ImplicationChecksByTransitivity, 78.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=6, InterpolantAutomatonStates: 150, 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, 9 MinimizatonAttempts, 184 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 56.7s InterpolantComputationTime, 1138 NumberOfCodeBlocks, 1138 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1039 ConstructedInterpolants, 54 QuantifiedInterpolants, 5927 SizeOfPredicates, 172 NumberOfNonLiveVariables, 6205 ConjunctsInSsa, 502 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 1520/1710 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 [2022-11-21 16:39:56,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:39:58,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:39:58,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:39:58,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:39:58,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:39:58,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:39:58,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:39:58,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:39:58,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:39:58,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:39:58,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:39:58,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:39:58,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:39:58,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:39:58,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:39:58,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:39:58,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:39:58,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:39:58,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:39:58,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:39:58,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:39:58,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:39:58,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:39:58,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:39:58,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:39:58,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:39:58,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:39:58,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:39:58,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:39:58,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:39:58,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:39:58,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:39:58,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:39:58,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:39:58,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:39:58,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:39:58,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:39:58,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:39:58,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:39:58,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:39:58,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:39:58,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:39:58,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:39:58,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:39:58,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:39:58,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:39:58,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:39:58,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:39:58,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:39:58,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:39:58,959 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:39:58,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:39:58,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:39:58,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:39:58,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:39:58,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:39:58,961 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:39:58,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:39:58,962 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:39:58,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:39:58,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:39:58,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:39:58,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:39:58,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:39:58,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:39:58,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:39:58,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:39:58,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:39:58,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:39:58,964 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:39:58,965 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:39:58,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:39:58,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:39:58,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:39:58,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:39:58,966 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-21 16:39:59,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:39:59,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:39:59,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:39:59,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:39:59,357 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:39:59,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-21 16:40:02,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:40:02,919 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:40:02,920 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-21 16:40:02,961 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/0da18f8d5/31e64b6128b340429882f3e0e2df7440/FLAG6cdc27c33 [2022-11-21 16:40:02,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/data/0da18f8d5/31e64b6128b340429882f3e0e2df7440 [2022-11-21 16:40:02,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:40:02,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:40:02,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:02,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:40:02,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:40:02,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:02" (1/1) ... [2022-11-21 16:40:02,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4744f022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:02, skipping insertion in model container [2022-11-21 16:40:02,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:02" (1/1) ... [2022-11-21 16:40:03,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:40:03,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:03,341 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-21 16:40:03,348 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-21 16:40:04,380 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:40:04,488 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,490 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,491 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,492 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,495 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,515 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,516 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,518 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,519 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,520 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,521 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,522 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,522 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:04,904 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:40:04,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:40:04,905 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:40:04,906 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:40:04,907 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:40:04,908 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:40:04,908 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:40:04,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:40:04,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:40:04,910 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:40:05,071 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,079 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:05,131 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 16:40:05,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:05,175 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-21 16:40:05,175 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-21 16:40:05,229 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:40:05,244 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,244 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,245 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,245 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,246 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,253 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,253 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,254 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,255 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,256 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,256 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,257 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,257 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,319 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:40:05,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:40:05,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:40:05,322 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:40:05,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:40:05,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:40:05,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:40:05,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:40:05,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:40:05,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:40:05,351 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:05,370 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:40:05,383 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-21 16:40:05,383 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_1ac6d05a-740e-4cce-9eed-4c53da856bb4/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-21 16:40:05,412 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-21 16:40:05,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,424 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,424 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,425 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,430 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,431 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,432 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,432 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,433 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,434 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,434 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,434 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-21 16:40:05,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-21 16:40:05,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-21 16:40:05,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-21 16:40:05,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-21 16:40:05,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-21 16:40:05,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-21 16:40:05,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-21 16:40:05,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-21 16:40:05,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-21 16:40:05,515 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,547 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-21 16:40:05,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:05,813 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:40:05,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05 WrapperNode [2022-11-21 16:40:05,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:05,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:05,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:40:05,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:40:05,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:05,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:05,971 INFO L138 Inliner]: procedures = 700, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 154 [2022-11-21 16:40:05,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:05,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:40:05,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:40:05,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:40:05,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:05,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:05,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:05,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:40:06,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:40:06,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:40:06,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:40:06,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (1/1) ... [2022-11-21 16:40:06,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:40:06,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:40:06,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:40:06,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:40:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-21 16:40:06,150 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-21 16:40:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:40:06,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 16:40:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-21 16:40:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-21 16:40:06,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-21 16:40:06,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-21 16:40:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:40:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:40:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:40:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:40:06,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:40:06,152 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-21 16:40:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-21 16:40:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 16:40:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-21 16:40:06,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-21 16:40:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 16:40:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-21 16:40:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-21 16:40:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:40:06,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:40:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:40:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:40:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 16:40:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 16:40:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:40:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-21 16:40:06,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-21 16:40:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-21 16:40:06,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-21 16:40:06,508 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:40:06,521 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:40:08,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:40:08,732 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:40:08,732 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:40:08,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:08 BoogieIcfgContainer [2022-11-21 16:40:08,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:40:08,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:40:08,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:40:08,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:40:08,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:40:02" (1/3) ... [2022-11-21 16:40:08,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c5015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:08, skipping insertion in model container [2022-11-21 16:40:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:05" (2/3) ... [2022-11-21 16:40:08,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421c5015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:08, skipping insertion in model container [2022-11-21 16:40:08,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:08" (3/3) ... [2022-11-21 16:40:08,743 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-21 16:40:08,762 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:40:08,762 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:40:08,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:40:08,820 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;@d03e74f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:40:08,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:40:08,825 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) [2022-11-21 16:40:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 16:40:08,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:08,837 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] [2022-11-21 16:40:08,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:08,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:08,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-11-21 16:40:08,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:08,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1318733777] [2022-11-21 16:40:08,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:08,857 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 [2022-11-21 16:40:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:08,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:08,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:09,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 16:40:09,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-21 16:40:09,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:40:09,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:40:09,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1318733777] [2022-11-21 16:40:09,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1318733777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:09,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:09,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:40:09,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373328218] [2022-11-21 16:40:09,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:09,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:40:09,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:40:09,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:40:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:40:09,601 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) [2022-11-21 16:40:09,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:09,637 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-11-21 16:40:09,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:40:09,639 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 [2022-11-21 16:40:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:09,647 INFO L225 Difference]: With dead ends: 205 [2022-11-21 16:40:09,648 INFO L226 Difference]: Without dead ends: 96 [2022-11-21 16:40:09,652 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 [2022-11-21 16:40:09,655 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 [2022-11-21 16:40:09,656 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] [2022-11-21 16:40:09,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-21 16:40:09,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-21 16:40:09,698 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) [2022-11-21 16:40:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-11-21 16:40:09,702 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-11-21 16:40:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:09,702 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-11-21 16:40:09,703 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) [2022-11-21 16:40:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-11-21 16:40:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 16:40:09,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:09,707 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] [2022-11-21 16:40:09,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:09,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:09,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:09,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:09,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-11-21 16:40:09,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:09,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277114703] [2022-11-21 16:40:09,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:09,932 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 [2022-11-21 16:40:09,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:09,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:10,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:40:10,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-21 16:40:10,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:40:10,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:40:10,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277114703] [2022-11-21 16:40:10,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277114703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:10,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:10,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:40:10,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539710855] [2022-11-21 16:40:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:10,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:40:10,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:40:10,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:40:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:40:10,843 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) [2022-11-21 16:40:12,985 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 [] [2022-11-21 16:40:13,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:13,332 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-11-21 16:40:13,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:40:13,338 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 [2022-11-21 16:40:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:13,341 INFO L225 Difference]: With dead ends: 165 [2022-11-21 16:40:13,341 INFO L226 Difference]: Without dead ends: 98 [2022-11-21 16:40:13,342 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 [2022-11-21 16:40:13,343 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 [2022-11-21 16:40:13,343 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] [2022-11-21 16:40:13,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-21 16:40:13,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-21 16:40:13,373 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) [2022-11-21 16:40:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2022-11-21 16:40:13,381 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 88 [2022-11-21 16:40:13,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:13,383 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2022-11-21 16:40:13,383 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) [2022-11-21 16:40:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2022-11-21 16:40:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-21 16:40:13,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:13,390 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] [2022-11-21 16:40:13,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:13,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:13,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-11-21 16:40:13,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:13,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058841932] [2022-11-21 16:40:13,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:13,617 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 [2022-11-21 16:40:13,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:13,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:15,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-21 16:40:15,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:15,957 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 [2022-11-21 16:40:27,861 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 [2022-11-21 16:40:36,823 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 [2022-11-21 16:41:11,570 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-21 16:41:12,495 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 16:41:12,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 259 treesize of output 195 [2022-11-21 16:41:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:41:23,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:41:23,146 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 [2022-11-21 16:42:05,010 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 [2022-11-21 16:42:21,907 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 [2022-11-21 16:43:33,019 WARN L233 SmtUtils]: Spent 9.75s 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) [2022-11-21 16:43:40,328 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 16:43:40,329 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 [2022-11-21 16:43:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 55 refuted. 25 times theorem prover too weak. 64 trivial. 10 not checked. [2022-11-21 16:43:53,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:44:45,279 WARN L233 SmtUtils]: Spent 35.21s 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) [2022-11-21 16:44:58,056 WARN L233 SmtUtils]: Spent 12.77s on a formula simplification that was a NOOP. DAG size: 189 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-21 16:45:08,586 WARN L233 SmtUtils]: Spent 10.53s 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) [2022-11-21 16:45:18,109 WARN L233 SmtUtils]: Spent 9.52s 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) [2022-11-21 16:45:28,487 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 [2022-11-21 16:45:28,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:45:28,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058841932] [2022-11-21 16:45:28,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058841932] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:45:28,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1144513136] [2022-11-21 16:45:28,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:28,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-21 16:45:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/cvc4 [2022-11-21 16:45:28,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-21 16:45:28,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-21 16:46:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:01,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-21 16:46:01,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:46:20,574 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 [2022-11-21 16:46:41,362 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$.base|)) is different from true [2022-11-21 16:47:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-21 16:47:12,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:47:12,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1144513136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:47:12,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:47:12,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [36] total 51 [2022-11-21 16:47:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678644787] [2022-11-21 16:47:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:47:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-21 16:47:12,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:47:12,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-21 16:47:12,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2112, Unknown=121, NotChecked=594, Total=2970 [2022-11-21 16:47:12,357 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-21 16:47:14,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:19,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:23,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:26,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:47:47,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:47:49,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:51,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:47:53,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:47:54,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:47:56,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:47:57,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:02,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:05,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:07,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:09,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:12,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:48:27,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:30,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:33,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:35,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:39,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:41,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:43,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:45,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:47,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:49,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:51,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:53,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:55,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:48:58,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:49:06,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-21 16:49:13,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:49:13,809 INFO L93 Difference]: Finished difference Result 185 states and 233 transitions. [2022-11-21 16:49:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 16:49:13,810 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 [2022-11-21 16:49:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:49:13,813 INFO L225 Difference]: With dead ends: 185 [2022-11-21 16:49:13,813 INFO L226 Difference]: Without dead ends: 116 [2022-11-21 16:49:13,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 247.0s TimeCoverageRelationStatistics Valid=174, Invalid=2686, Unknown=134, NotChecked=666, Total=3660 [2022-11-21 16:49:13,817 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 119 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 67 mSolverCounterUnsat, 123 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 123 IncrementalHoareTripleChecker+Unknown, 162 IncrementalHoareTripleChecker+Unchecked, 105.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:49:13,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 447 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 949 Invalid, 123 Unknown, 162 Unchecked, 105.2s Time] [2022-11-21 16:49:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-21 16:49:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106. [2022-11-21 16:49:13,833 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) [2022-11-21 16:49:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2022-11-21 16:49:13,835 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 103 [2022-11-21 16:49:13,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:49:13,836 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-21 16:49:13,836 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) [2022-11-21 16:49:13,836 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2022-11-21 16:49:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-21 16:49:13,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:49:13,838 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] [2022-11-21 16:49:13,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:49:14,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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)] Forceful destruction successful, exit code 0 [2022-11-21 16:49:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:49:14,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:49:14,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:49:14,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1354483148, now seen corresponding path program 1 times [2022-11-21 16:49:14,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:49:14,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565891976] [2022-11-21 16:49:14,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:49:14,270 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 [2022-11-21 16:49:14,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:49:14,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:49:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ac6d05a-740e-4cce-9eed-4c53da856bb4/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:49:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:49:16,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 120 conjunts are in the unsatisfiable core [2022-11-21 16:49:16,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:49:16,693 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 [2022-11-21 16:49:29,384 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_3| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ BitVec 64)) (|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_3|)) (.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_5|))) (and (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= ((_ extract 39 32) .cse0) (select .cse1 (_ bv4 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64))) (= (select .cse1 (_ bv7 64)) ((_ extract 63 56) .cse0)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ bv2 64)) (= ((_ extract 31 24) .cse0) (select .cse1 (_ bv3 64))) (= ((_ extract 15 8) .cse0) (select .cse1 (_ bv1 64))) (= ((_ extract 7 0) .cse0) (select .cse1 (_ bv0 64))) (= (select .cse1 (_ bv2 64)) ((_ extract 23 16) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ bv0 64))))) is different from true [2022-11-21 16:49:40,082 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_4| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ BitVec 64)) (|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64))) (let ((.cse1 (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_6|)) (.cse0 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_4|))) (and (= (select .cse0 (_ bv3 64)) ((_ extract 31 24) .cse1)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ bv0 64)) (= ((_ extract 15 8) .cse1) (select .cse0 (_ bv1 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= (select .cse0 (_ bv4 64)) ((_ extract 39 32) .cse1)) (= (select .cse0 (_ bv5 64)) ((_ extract 47 40) .cse1)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ bv2 64)) (= (select .cse0 (_ bv2 64)) ((_ extract 23 16) .cse1)) (= ((_ extract 63 56) .cse1) (select .cse0 (_ bv7 64))) (= (select .cse0 (_ bv0 64)) ((_ extract 7 0) .cse1)) (= ((_ extract 55 48) .cse1) (select .cse0 (_ bv6 64)))))) is different from true [2022-11-21 16:50:14,484 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 16:50:14,485 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 [2022-11-21 16:50:24,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:50:24,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:50:24,883 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 [2022-11-21 16:51:08,071 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 [2022-11-21 16:51:15,008 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 [2022-11-21 16:51:27,268 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 [2022-11-21 16:51:38,223 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