./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 20:33:01,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:33:01,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:33:01,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:33:01,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:33:01,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:33:01,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:33:01,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:33:01,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:33:01,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:33:01,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:33:01,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:33:01,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:33:01,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:33:01,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:33:01,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:33:01,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:33:01,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:33:01,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:33:01,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:33:01,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:33:01,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:33:01,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:33:01,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:33:01,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:33:01,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:33:01,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:33:01,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:33:01,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:33:01,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:33:01,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:33:01,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:33:01,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:33:01,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:33:01,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:33:01,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:33:01,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:33:01,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:33:01,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:33:01,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:33:01,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:33:01,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 20:33:01,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:33:01,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:33:01,346 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:33:01,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:33:01,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:33:01,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:33:01,348 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:33:01,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:33:01,349 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:33:01,349 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:33:01,350 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:33:01,350 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:33:01,351 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:33:01,351 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:33:01,351 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:33:01,351 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:33:01,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:33:01,352 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:33:01,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:33:01,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:33:01,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:33:01,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:33:01,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:33:01,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:33:01,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:33:01,354 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:33:01,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:33:01,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:33:01,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:33:01,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:33:01,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:33:01,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:33:01,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:33:01,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:33:01,357 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:33:01,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:33:01,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:33:01,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:33:01,358 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-16 20:33:01,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:33:01,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:33:01,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:33:01,652 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:33:01,653 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:33:01,654 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-16 20:33:01,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/e119d4387/dd40c56ebf464ff69e147157dfd876f0/FLAG714bb0606 [2022-11-16 20:33:02,463 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:33:02,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-16 20:33:02,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/e119d4387/dd40c56ebf464ff69e147157dfd876f0/FLAG714bb0606 [2022-11-16 20:33:02,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/e119d4387/dd40c56ebf464ff69e147157dfd876f0 [2022-11-16 20:33:02,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:33:02,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:33:02,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:33:02,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:33:02,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:33:02,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:33:02" (1/1) ... [2022-11-16 20:33:02,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e27d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:02, skipping insertion in model container [2022-11-16 20:33:02,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:33:02" (1/1) ... [2022-11-16 20:33:02,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:33:02,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:33:02,932 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-16 20:33:02,939 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-16 20:33:03,754 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 20:33:03,835 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,835 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,836 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,837 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,838 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,848 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,849 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,850 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,851 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,853 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,854 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,855 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:03,855 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,221 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 20:33:04,222 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 20:33:04,223 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 20:33:04,224 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 20:33:04,225 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 20:33:04,226 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 20:33:04,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 20:33:04,227 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 20:33:04,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 20:33:04,228 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 20:33:04,367 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,375 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:33:04,408 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:33:04,423 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-16 20:33:04,429 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-16 20:33:04,478 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 20:33:04,516 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,528 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,528 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,529 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,530 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,538 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,539 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,540 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,540 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,541 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,542 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,543 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,543 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,629 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 20:33:04,630 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 20:33:04,631 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 20:33:04,631 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 20:33:04,633 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 20:33:04,633 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 20:33:04,634 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 20:33:04,634 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 20:33:04,635 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 20:33:04,641 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 20:33:04,700 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,722 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:33:04,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:33:04,984 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:33:04,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04 WrapperNode [2022-11-16 20:33:04,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:33:04,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:33:04,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:33:04,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:33:04,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,158 INFO L138 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-11-16 20:33:05,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:33:05,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:33:05,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:33:05,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:33:05,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:33:05,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:33:05,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:33:05,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:33:05,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (1/1) ... [2022-11-16 20:33:05,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:33:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:33:05,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:33:05,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:33:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:33:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-16 20:33:05,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-16 20:33:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:33:05,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 20:33:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 20:33:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 20:33:05,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 20:33:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:33:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:33:05,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:33:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:33:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:33:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 20:33:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 20:33:05,317 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-16 20:33:05,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-16 20:33:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 20:33:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 20:33:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 20:33:05,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 20:33:05,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:33:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:33:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:33:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 20:33:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 20:33:05,319 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 20:33:05,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 20:33:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:33:05,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:33:05,625 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:33:05,628 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:33:06,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:33:06,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:33:06,161 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:33:06,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:33:06 BoogieIcfgContainer [2022-11-16 20:33:06,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:33:06,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:33:06,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:33:06,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:33:06,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:33:02" (1/3) ... [2022-11-16 20:33:06,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ed3570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:33:06, skipping insertion in model container [2022-11-16 20:33:06,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:33:04" (2/3) ... [2022-11-16 20:33:06,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8ed3570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:33:06, skipping insertion in model container [2022-11-16 20:33:06,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:33:06" (3/3) ... [2022-11-16 20:33:06,178 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-16 20:33:06,198 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:33:06,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:33:06,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:33:06,255 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@18a19c69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:33:06,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:33:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-16 20:33:06,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 20:33:06,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:33:06,271 INFO L195 NwaCegarLoop]: trace histogram [9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:33:06,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:33:06,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:33:06,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1663978418, now seen corresponding path program 1 times [2022-11-16 20:33:06,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:33:06,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085988730] [2022-11-16 20:33:06,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:06,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:33:06,504 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:33:06,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545342290] [2022-11-16 20:33:06,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:06,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:33:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:33:06,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:33:06,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:33:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:06,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 20:33:06,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:33:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-16 20:33:07,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:33:07,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:33:07,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085988730] [2022-11-16 20:33:07,071 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:33:07,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545342290] [2022-11-16 20:33:07,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545342290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:33:07,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:33:07,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:33:07,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735669409] [2022-11-16 20:33:07,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:33:07,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:33:07,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:33:07,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:33:07,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:33:07,141 INFO L87 Difference]: Start difference. First operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 20:33:07,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:33:07,426 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-11-16 20:33:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:33:07,429 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 65 [2022-11-16 20:33:07,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:33:07,447 INFO L225 Difference]: With dead ends: 145 [2022-11-16 20:33:07,447 INFO L226 Difference]: Without dead ends: 80 [2022-11-16 20:33:07,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 20:33:07,456 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 36 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:33:07,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 355 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:33:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-16 20:33:07,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-16 20:33:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-16 20:33:07,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-16 20:33:07,541 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2022-11-16 20:33:07,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:33:07,543 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-16 20:33:07,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 20:33:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-16 20:33:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-16 20:33:07,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:33:07,547 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:33:07,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:33:07,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 20:33:07,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:33:07,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:33:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1491149490, now seen corresponding path program 1 times [2022-11-16 20:33:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:33:07,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955065301] [2022-11-16 20:33:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:33:07,897 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:33:07,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136397703] [2022-11-16 20:33:07,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:33:07,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:33:07,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:33:07,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:33:07,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:33:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:33:08,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 119 conjunts are in the unsatisfiable core [2022-11-16 20:33:08,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:33:09,211 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 [2022-11-16 20:33:09,238 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 [2022-11-16 20:33:09,988 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 112 treesize of output 106 [2022-11-16 20:33:11,189 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 0 case distinctions, treesize of input 242 treesize of output 336 [2022-11-16 20:33:11,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 249 [2022-11-16 20:33:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-16 20:33:11,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:33:16,576 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 15 treesize of output 9 [2022-11-16 20:33:29,756 WARN L233 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:33:29,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:33:29,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955065301] [2022-11-16 20:33:29,759 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 20:33:29,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136397703] [2022-11-16 20:33:29,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136397703] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:33:29,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1525751623] [2022-11-16 20:33:29,793 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-16 20:33:29,793 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:33:29,797 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:33:29,804 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:33:29,805 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:33:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:30,079 INFO L321 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2022-11-16 20:33:30,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2022-11-16 20:33:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:30,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:30,280 INFO L321 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2022-11-16 20:33:30,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2022-11-16 20:33:30,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 20:33:30,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 20:33:30,889 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 [2022-11-16 20:33:30,906 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 15 treesize of output 1 [2022-11-16 20:33:30,913 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 15 treesize of output 1 [2022-11-16 20:33:30,924 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 15 treesize of output 1 [2022-11-16 20:33:31,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:33:31,125 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-16 20:33:31,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 22 [2022-11-16 20:33:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:33:31,422 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-16 20:33:31,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 26 [2022-11-16 20:33:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2022-11-16 20:33:31,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-16 20:33:31,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:33:31,952 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-16 20:33:31,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 26 [2022-11-16 20:33:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:31,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2022-11-16 20:33:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2022-11-16 20:33:32,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:32,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-16 20:33:32,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2022-11-16 20:33:32,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 20:33:32,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:33,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:33,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:33,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:34,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:34,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-11-16 20:33:34,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:33:34,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-16 20:33:37,988 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 11 treesize of output 7 [2022-11-16 20:33:38,004 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 15 treesize of output 1 [2022-11-16 20:33:38,021 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 11 treesize of output 7 [2022-11-16 20:33:38,038 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 15 treesize of output 1 [2022-11-16 20:33:38,248 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 7 treesize of output 3 [2022-11-16 20:33:38,268 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 7 treesize of output 3 [2022-11-16 20:33:38,462 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 7 treesize of output 3 [2022-11-16 20:33:38,500 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 7 treesize of output 3 [2022-11-16 20:33:39,452 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 23 treesize of output 28 [2022-11-16 20:33:39,477 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 24 treesize of output 9 [2022-11-16 20:33:39,491 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 19 treesize of output 1 [2022-11-16 20:33:39,509 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 287 treesize of output 273 [2022-11-16 20:33:39,606 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 23 treesize of output 28 [2022-11-16 20:33:39,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-16 20:33:39,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 20:33:39,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:39,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:39,991 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:33:39,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-16 20:33:40,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:33:40,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-16 20:33:40,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 20:33:40,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 252 [2022-11-16 20:33:40,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,506 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 9 treesize of output 3 [2022-11-16 20:33:40,525 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 9 treesize of output 3 [2022-11-16 20:33:40,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 252 [2022-11-16 20:33:40,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-16 20:33:40,977 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 20:33:40,997 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 9 treesize of output 3 [2022-11-16 20:33:41,015 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 9 treesize of output 3 [2022-11-16 20:33:42,533 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 13 for LOIs [2022-11-16 20:33:42,539 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 128 for LOIs [2022-11-16 20:33:43,124 INFO L321 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-16 20:33:43,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 349 treesize of output 376 [2022-11-16 20:33:43,341 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-16 20:33:43,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 340 treesize of output 361 [2022-11-16 20:33:48,731 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-16 20:33:48,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 344 treesize of output 365 [2022-11-16 20:33:49,351 INFO L321 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-16 20:33:49,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 345 treesize of output 372 [2022-11-16 20:33:50,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-16 20:33:50,740 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-16 20:33:50,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 344 treesize of output 365 [2022-11-16 20:33:50,932 INFO L321 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-16 20:33:50,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 345 treesize of output 372 [2022-11-16 20:33:52,552 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 19 for LOIs [2022-11-16 20:33:52,635 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 15 treesize of output 1 [2022-11-16 20:33:52,646 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 [2022-11-16 20:33:52,657 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 15 treesize of output 1 [2022-11-16 20:33:52,671 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 15 treesize of output 1 [2022-11-16 20:33:52,701 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 19 for LOIs [2022-11-16 20:33:52,710 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 81 for LOIs [2022-11-16 20:33:52,981 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 13 for LOIs [2022-11-16 20:33:52,983 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:34:21,488 WARN L233 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 102 DAG size of output: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:34:39,026 WARN L233 SmtUtils]: Spent 14.10s on a formula simplification. DAG size of input: 133 DAG size of output: 125 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:35:11,715 WARN L233 SmtUtils]: Spent 26.76s on a formula simplification. DAG size of input: 143 DAG size of output: 120 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:35:50,917 WARN L233 SmtUtils]: Spent 35.12s on a formula simplification. DAG size of input: 165 DAG size of output: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:36:24,459 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '886#(and (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= |#NULL.offset| 0) (= 5 |~#s_can_fail_allocator_static~0.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-16 20:36:24,460 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 20:36:24,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 20:36:24,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-11-16 20:36:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787246361] [2022-11-16 20:36:24,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 20:36:24,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-16 20:36:24,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:36:24,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-16 20:36:24,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=3983, Unknown=27, NotChecked=0, Total=4290 [2022-11-16 20:36:24,464 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-16 20:36:27,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:36:27,606 INFO L93 Difference]: Finished difference Result 144 states and 199 transitions. [2022-11-16 20:36:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-16 20:36:27,607 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) Word has length 74 [2022-11-16 20:36:27,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:36:27,611 INFO L225 Difference]: With dead ends: 144 [2022-11-16 20:36:27,611 INFO L226 Difference]: Without dead ends: 142 [2022-11-16 20:36:27,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1494 ImplicationChecksByTransitivity, 165.6s TimeCoverageRelationStatistics Valid=323, Invalid=4906, Unknown=27, NotChecked=0, Total=5256 [2022-11-16 20:36:27,621 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 117 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 477 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:36:27,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 763 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1446 Invalid, 0 Unknown, 477 Unchecked, 2.5s Time] [2022-11-16 20:36:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-16 20:36:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 90. [2022-11-16 20:36:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 49 states have internal predecessors, (51), 31 states have call successors, (31), 10 states have call predecessors, (31), 11 states have return successors, (34), 30 states have call predecessors, (34), 29 states have call successors, (34) [2022-11-16 20:36:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-11-16 20:36:27,680 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 74 [2022-11-16 20:36:27,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:36:27,681 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-11-16 20:36:27,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-16 20:36:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-11-16 20:36:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-16 20:36:27,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:36:27,684 INFO L195 NwaCegarLoop]: trace histogram [9, 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] [2022-11-16 20:36:27,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:36:27,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-16 20:36:27,896 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:36:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:36:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash 2094784371, now seen corresponding path program 1 times [2022-11-16 20:36:27,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:36:27,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365681279] [2022-11-16 20:36:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:36:27,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:36:27,993 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 20:36:27,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869964310] [2022-11-16 20:36:27,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:36:27,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:36:27,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:36:27,995 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:36:28,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:36:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:36:28,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 20:36:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:36:29,242 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 20:36:29,242 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 20:36:29,243 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 20:36:29,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 20:36:29,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:36:29,448 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-16 20:36:29,451 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:36:29,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:36:29 BoogieIcfgContainer [2022-11-16 20:36:29,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:36:29,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:36:29,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:36:29,539 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:36:29,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:33:06" (3/4) ... [2022-11-16 20:36:29,543 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 20:36:29,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:36:29,544 INFO L158 Benchmark]: Toolchain (without parser) took 206994.26ms. Allocated memory was 113.2MB in the beginning and 371.2MB in the end (delta: 257.9MB). Free memory was 77.3MB in the beginning and 125.8MB in the end (delta: -48.5MB). Peak memory consumption was 208.8MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,544 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:36:29,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2433.68ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 77.3MB in the beginning and 70.9MB in the end (delta: 6.4MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.83ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 64.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,545 INFO L158 Benchmark]: Boogie Preprocessor took 44.95ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,545 INFO L158 Benchmark]: RCFGBuilder took 959.23ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 65.0MB in the end (delta: -3.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,546 INFO L158 Benchmark]: TraceAbstraction took 203371.66ms. Allocated memory was 136.3MB in the beginning and 371.2MB in the end (delta: 234.9MB). Free memory was 64.1MB in the beginning and 126.8MB in the end (delta: -62.7MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,546 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 371.2MB. Free memory was 126.8MB in the beginning and 125.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:36:29,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2433.68ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 77.3MB in the beginning and 70.9MB in the end (delta: 6.4MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 173.83ms. Allocated memory is still 136.3MB. Free memory was 70.9MB in the beginning and 64.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.95ms. Allocated memory is still 136.3MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 959.23ms. Allocated memory is still 136.3MB. Free memory was 61.1MB in the beginning and 65.0MB in the end (delta: -3.8MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 203371.66ms. Allocated memory was 136.3MB in the beginning and 371.2MB in the end (delta: 234.9MB). Free memory was 64.1MB in the beginning and 126.8MB in the end (delta: -62.7MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 371.2MB. Free memory was 126.8MB in the beginning and 125.8MB 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; [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={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, 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={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [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={11:0}, r={11:0}, s_can_fail_allocator_static={5:0}, 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={11:0}, r={11:0}, s_can_fail_allocator_static={5:0}, 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={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [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={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=510423550381407695250402143368780972032, initial_item_allocation=9223372036854775808, item_size=2, len={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=510423550381407695250402143368780972032, bounded_malloc(len)={-1:0}, initial_item_allocation=9223372036854775808, item_size=2, len={11:0}, list={8:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, size=0, storage={6:0}, storage={6:0}, 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={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, 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={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [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={8:8}, r={8:8}, s_can_fail_allocator_static={5:0}, 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={8:8}, r={8:8}, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={8:0}, list={8:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={8:0}, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, list->item_size=18446744073709551618, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, 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={12:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=1, a=0, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, 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={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err [L1996] RET aws_raise_error_private(err) [L1998] return (-1); [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={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, list->item_size=18446744073709551618, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, 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) [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)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [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={8:0}, list={8:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, 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={8:0}, list={8:0}, no_overflow=1, raw_array={-1:0}, raw_array={-1:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 203.2s, OverallIterations: 3, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 1118 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 477 IncrementalHoareTripleChecker+Unchecked, 946 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1550 IncrementalHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 172 mSDtfsCounter, 1550 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1495 ImplicationChecksByTransitivity, 165.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 137 ConstructedInterpolants, 5 QuantifiedInterpolants, 1181 SizeOfPredicates, 41 NumberOfNonLiveVariables, 1252 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 158/172 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 [2022-11-16 20:36:29,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 20:36:32,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:36:32,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:36:32,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:36:32,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:36:32,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:36:32,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:36:32,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:36:32,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:36:32,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:36:32,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:36:32,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:36:32,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:36:32,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:36:32,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:36:32,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:36:32,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:36:32,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:36:32,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:36:32,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:36:32,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:36:32,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:36:32,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:36:32,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:36:32,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:36:32,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:36:32,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:36:32,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:36:32,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:36:32,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:36:32,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:36:32,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:36:32,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:36:32,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:36:32,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:36:32,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:36:32,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:36:32,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:36:32,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:36:32,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:36:32,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:36:32,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 20:36:32,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:36:32,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:36:32,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:36:32,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:36:32,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:36:32,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:36:32,137 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:36:32,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:36:32,138 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:36:32,138 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:36:32,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:36:32,139 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:36:32,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:36:32,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:36:32,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:36:32,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:36:32,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:36:32,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 20:36:32,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 20:36:32,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 20:36:32,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:36:32,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:36:32,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:36:32,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:36:32,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 20:36:32,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:36:32,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:36:32,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:36:32,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:36:32,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:36:32,143 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 20:36:32,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 20:36:32,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:36:32,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:36:32,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 20:36:32,144 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-16 20:36:32,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:36:32,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:36:32,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:36:32,607 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:36:32,608 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:36:32,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-16 20:36:32,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/afe91ef14/89507667fbde4cf38cca7d83d7c4a748/FLAG9eba3d66b [2022-11-16 20:36:33,617 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:36:33,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-16 20:36:33,665 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/afe91ef14/89507667fbde4cf38cca7d83d7c4a748/FLAG9eba3d66b [2022-11-16 20:36:34,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/data/afe91ef14/89507667fbde4cf38cca7d83d7c4a748 [2022-11-16 20:36:34,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:36:34,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:36:34,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:36:34,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:36:34,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:36:34,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:36:34" (1/1) ... [2022-11-16 20:36:34,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c63f2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:34, skipping insertion in model container [2022-11-16 20:36:34,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:36:34" (1/1) ... [2022-11-16 20:36:34,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:36:34,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:36:34,690 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-16 20:36:34,699 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-16 20:36:35,887 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 20:36:35,965 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,966 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,967 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,968 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,969 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,986 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,987 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,990 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,990 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,993 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,994 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,995 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:35,995 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 20:36:36,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 20:36:36,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 20:36:36,404 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 20:36:36,406 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 20:36:36,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 20:36:36,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 20:36:36,408 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 20:36:36,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 20:36:36,410 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 20:36:36,593 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,613 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:36:36,659 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 20:36:36,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:36:36,723 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-16 20:36:36,724 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-16 20:36:36,756 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 20:36:36,774 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,774 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,774 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,775 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,776 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,783 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,784 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,785 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,786 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,787 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,788 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,788 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,788 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,850 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 20:36:36,851 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 20:36:36,852 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 20:36:36,853 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 20:36:36,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 20:36:36,854 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 20:36:36,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 20:36:36,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 20:36:36,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 20:36:36,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 20:36:36,885 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,891 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:36:36,906 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:36:36,920 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-16 20:36:36,920 WARN L229 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_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-16 20:36:36,950 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-16 20:36:36,964 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,965 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,965 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,966 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,966 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,972 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,973 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,974 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,975 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,976 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,976 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,977 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:36,977 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:37,011 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-16 20:36:37,012 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-16 20:36:37,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-16 20:36:37,014 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-16 20:36:37,015 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-16 20:36:37,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-16 20:36:37,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-16 20:36:37,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-16 20:36:37,017 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-16 20:36:37,018 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-16 20:36:37,085 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:37,090 WARN L1554 CHandler]: Possible shadowing of function index [2022-11-16 20:36:37,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:36:37,362 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:36:37,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37 WrapperNode [2022-11-16 20:36:37,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:36:37,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:36:37,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:36:37,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:36:37,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,554 INFO L138 Inliner]: procedures = 700, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 155 [2022-11-16 20:36:37,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:36:37,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:36:37,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:36:37,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:36:37,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:36:37,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:36:37,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:36:37,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:36:37,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (1/1) ... [2022-11-16 20:36:37,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:36:37,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:36:37,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:36:37,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:36:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:36:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-16 20:36:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-16 20:36:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 20:36:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-16 20:36:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-16 20:36:37,741 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-16 20:36:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 20:36:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 20:36:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:36:37,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:36:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:36:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:36:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:36:37,744 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-16 20:36:37,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-16 20:36:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 20:36:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-16 20:36:37,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-16 20:36:37,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 20:36:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-16 20:36:37,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-16 20:36:37,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 20:36:37,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 20:36:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:36:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:36:37,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 20:36:37,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 20:36:37,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 20:36:37,753 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-16 20:36:37,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-16 20:36:37,754 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-16 20:36:37,755 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-16 20:36:38,167 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:36:38,171 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:36:40,010 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:36:40,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:36:40,019 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 20:36:40,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:36:40 BoogieIcfgContainer [2022-11-16 20:36:40,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:36:40,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:36:40,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:36:40,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:36:40,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:36:34" (1/3) ... [2022-11-16 20:36:40,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddfe674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:36:40, skipping insertion in model container [2022-11-16 20:36:40,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:36:37" (2/3) ... [2022-11-16 20:36:40,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ddfe674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:36:40, skipping insertion in model container [2022-11-16 20:36:40,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:36:40" (3/3) ... [2022-11-16 20:36:40,032 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-16 20:36:40,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:36:40,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 20:36:40,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:36:40,130 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@6ef0244e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:36:40,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 20:36:40,134 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) [2022-11-16 20:36:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 20:36:40,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:36:40,166 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] [2022-11-16 20:36:40,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:36:40,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:36:40,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-11-16 20:36:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 20:36:40,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860254855] [2022-11-16 20:36:40,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:36:40,212 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 [2022-11-16 20:36:40,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 20:36:40,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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) [2022-11-16 20:36:40,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:36:40,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 20:36:40,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:36:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-16 20:36:40,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:36:40,900 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 20:36:40,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860254855] [2022-11-16 20:36:40,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860254855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:36:40,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:36:40,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:36:40,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950083041] [2022-11-16 20:36:40,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:36:40,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 20:36:40,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 20:36:40,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 20:36:40,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 20:36:40,949 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) [2022-11-16 20:36:41,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:36:41,043 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-11-16 20:36:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 20:36:41,048 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 [2022-11-16 20:36:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:36:41,061 INFO L225 Difference]: With dead ends: 205 [2022-11-16 20:36:41,061 INFO L226 Difference]: Without dead ends: 96 [2022-11-16 20:36:41,069 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 [2022-11-16 20:36:41,078 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 [2022-11-16 20:36:41,083 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] [2022-11-16 20:36:41,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-16 20:36:41,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-16 20:36:41,135 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) [2022-11-16 20:36:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-11-16 20:36:41,146 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-11-16 20:36:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:36:41,147 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-11-16 20:36:41,148 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) [2022-11-16 20:36:41,149 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-11-16 20:36:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 20:36:41,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:36:41,155 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] [2022-11-16 20:36:41,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:41,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:41,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:36:41,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:36:41,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-11-16 20:36:41,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 20:36:41,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950665696] [2022-11-16 20:36:41,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:36:41,379 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 [2022-11-16 20:36:41,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 20:36:41,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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) [2022-11-16 20:36:41,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:36:42,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 20:36:42,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:36:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-16 20:36:42,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:36:42,253 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 20:36:42,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950665696] [2022-11-16 20:36:42,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950665696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:36:42,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:36:42,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 20:36:42,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421769443] [2022-11-16 20:36:42,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:36:42,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:36:42,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 20:36:42,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:36:42,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 20:36:42,286 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) [2022-11-16 20:36:44,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:36:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:36:44,795 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-11-16 20:36:44,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:36:44,798 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 [2022-11-16 20:36:44,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:36:44,801 INFO L225 Difference]: With dead ends: 165 [2022-11-16 20:36:44,802 INFO L226 Difference]: Without dead ends: 98 [2022-11-16 20:36:44,802 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 [2022-11-16 20:36:44,803 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 [2022-11-16 20:36:44,804 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] [2022-11-16 20:36:44,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-16 20:36:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-16 20:36:44,820 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) [2022-11-16 20:36:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2022-11-16 20:36:44,822 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 88 [2022-11-16 20:36:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:36:44,823 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2022-11-16 20:36:44,823 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) [2022-11-16 20:36:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2022-11-16 20:36:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 20:36:44,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:36:44,826 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] [2022-11-16 20:36:44,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:45,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:45,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:36:45,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:36:45,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-11-16 20:36:45,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 20:36:45,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538025953] [2022-11-16 20:36:45,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:36:45,042 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 [2022-11-16 20:36:45,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 20:36:45,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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) [2022-11-16 20:36:45,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:36:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:36:47,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-16 20:36:47,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:36:47,641 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 [2022-11-16 20:36:57,739 WARN L855 $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 [2022-11-16 20:37:07,006 WARN L855 $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 [2022-11-16 20:37:40,860 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:37:41,626 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:37:41,627 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 [2022-11-16 20:37:51,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:37:51,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:37:51,222 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 [2022-11-16 20:38:35,692 WARN L833 $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 [2022-11-16 20:38:56,978 WARN L833 $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 [2022-11-16 20:39:12,331 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse1 (let ((.cse9 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse9 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse2 (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse6 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))) (.cse5 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0))))) (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (let ((.cse4 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (or (and (not .cse4) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and .cse4 .cse5)))) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse7 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse7)) (_ bv1 64) ((_ extract 15 8) .cse7)) (_ bv2 64) ((_ extract 23 16) .cse7)) (_ bv3 64) ((_ extract 31 24) .cse7)) (_ bv4 64) ((_ extract 39 32) .cse7)) (_ bv5 64) ((_ extract 47 40) .cse7)) (_ bv6 64) ((_ extract 55 48) .cse7)) (_ bv7 64) ((_ extract 63 56) .cse7))))) (not (bvuge .cse2 (let ((.cse8 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (_ bv7 64)) (select .cse8 (_ bv6 64))) (select .cse8 (_ bv5 64))) (select .cse8 (_ bv4 64))) (select .cse8 (_ bv3 64))) (select .cse8 (_ bv2 64))) (select .cse8 (_ bv1 64))) (select .cse8 (_ bv0 64)))))))) .cse5)))) is different from false [2022-11-16 20:39:23,005 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 20:39:23,006 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 [2022-11-16 20:39:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 55 refuted. 25 times theorem prover too weak. 64 trivial. 10 not checked. [2022-11-16 20:39:30,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:39:55,909 WARN L233 SmtUtils]: Spent 12.41s 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) [2022-11-16 20:40:02,669 WARN L233 SmtUtils]: Spent 6.75s 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) [2022-11-16 20:40:14,308 WARN L233 SmtUtils]: Spent 11.64s 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) [2022-11-16 20:40:24,650 WARN L233 SmtUtils]: Spent 10.34s 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) [2022-11-16 20:40:31,274 WARN L855 $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 [2022-11-16 20:40:31,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 20:40:31,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538025953] [2022-11-16 20:40:31,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538025953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:40:31,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1334549221] [2022-11-16 20:40:31,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:40:31,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 20:40:31,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 [2022-11-16 20:40:31,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 20:40:31,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-16 20:41:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:41:08,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-16 20:41:08,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:41:18,050 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 [2022-11-16 20:41:29,799 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_643 (_ BitVec 64)) (v_ArrVal_642 (_ BitVec 64)) (v_ArrVal_641 (_ BitVec 64)) (v_ArrVal_640 (_ BitVec 64)) (v_ArrVal_639 (_ BitVec 64)) (v_ArrVal_637 (_ BitVec 64)) (v_ArrVal_636 (_ BitVec 64)) (v_ArrVal_644 (_ BitVec 64))) (= (store |c_old(#memory_$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$.base|)) is different from true [2022-11-16 20:41:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-16 20:41:50,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:41:50,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1334549221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:41:50,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 20:41:50,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [36] total 51 [2022-11-16 20:41:50,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395368882] [2022-11-16 20:41:50,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:41:50,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 20:41:50,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 20:41:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 20:41:50,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2073, Unknown=68, NotChecked=686, Total=2970 [2022-11-16 20:41:50,663 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-16 20:41:56,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:41:58,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:42:01,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 20:42:03,865 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 [] [2022-11-16 20:42:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:42:07,320 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions. [2022-11-16 20:42:07,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 20:42:07,321 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 [2022-11-16 20:42:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:42:07,324 INFO L225 Difference]: With dead ends: 232 [2022-11-16 20:42:07,324 INFO L226 Difference]: Without dead ends: 163 [2022-11-16 20:42:07,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 139.3s TimeCoverageRelationStatistics Valid=156, Invalid=2350, Unknown=72, NotChecked=728, Total=3306 [2022-11-16 20:42:07,328 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 100 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 70 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 741 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:42:07,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 706 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 836 Invalid, 3 Unknown, 741 Unchecked, 14.5s Time] [2022-11-16 20:42:07,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-16 20:42:07,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 106. [2022-11-16 20:42:07,352 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) [2022-11-16 20:42:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2022-11-16 20:42:07,361 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 103 [2022-11-16 20:42:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:42:07,362 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-16 20:42:07,362 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) [2022-11-16 20:42:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2022-11-16 20:42:07,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 20:42:07,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:42:07,371 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] [2022-11-16 20:42:07,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:42:07,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-16 20:42:07,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt [2022-11-16 20:42:07,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:42:07,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:42:07,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1445488720, now seen corresponding path program 1 times [2022-11-16 20:42:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 20:42:07,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12345959] [2022-11-16 20:42:07,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:42:07,789 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 [2022-11-16 20:42:07,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 20:42:07,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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) [2022-11-16 20:42:07,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:42:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:42:08,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 20:42:08,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:42:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-16 20:42:08,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:42:08,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 20:42:08,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12345959] [2022-11-16 20:42:08,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12345959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:42:08,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:42:08,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 20:42:08,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028914973] [2022-11-16 20:42:08,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:42:08,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:42:08,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 20:42:08,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:42:08,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:42:08,661 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 20:42:08,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:42:08,806 INFO L93 Difference]: Finished difference Result 188 states and 238 transitions. [2022-11-16 20:42:08,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:42:08,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 103 [2022-11-16 20:42:08,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:42:08,822 INFO L225 Difference]: With dead ends: 188 [2022-11-16 20:42:08,828 INFO L226 Difference]: Without dead ends: 111 [2022-11-16 20:42:08,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:42:08,830 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:42:08,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:42:08,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-16 20:42:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2022-11-16 20:42:08,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 69 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-16 20:42:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 139 transitions. [2022-11-16 20:42:08,861 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 139 transitions. Word has length 103 [2022-11-16 20:42:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:42:08,862 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 139 transitions. [2022-11-16 20:42:08,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 20:42:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2022-11-16 20:42:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-16 20:42:08,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:42:08,865 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] [2022-11-16 20:42:08,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 20:42:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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 [2022-11-16 20:42:09,076 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 20:42:09,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:42:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1354483148, now seen corresponding path program 1 times [2022-11-16 20:42:09,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 20:42:09,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064247324] [2022-11-16 20:42:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:42:09,077 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 [2022-11-16 20:42:09,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 20:42:09,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/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) [2022-11-16 20:42:09,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 20:42:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:42:11,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-16 20:42:11,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:42:11,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:42:11,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:42:11,766 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 [2022-11-16 20:42:35,927 WARN L833 $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 [2022-11-16 20:42:40,122 WARN L833 $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 [2022-11-16 20:43:42,874 WARN L233 SmtUtils]: Spent 25.75s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 20:43:57,075 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) |c_aws_array_list_is_valid_#t~short133| (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-16 20:44:10,776 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse2 (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse6 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|))))) (and (let ((.cse1 (let ((.cse9 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse9 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse5 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0))))) (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (let ((.cse4 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (or (and (not .cse4) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and .cse4 .cse5)))) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse7 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse7)) (_ bv1 64) ((_ extract 15 8) .cse7)) (_ bv2 64) ((_ extract 23 16) .cse7)) (_ bv3 64) ((_ extract 31 24) .cse7)) (_ bv4 64) ((_ extract 39 32) .cse7)) (_ bv5 64) ((_ extract 47 40) .cse7)) (_ bv6 64) ((_ extract 55 48) .cse7)) (_ bv7 64) ((_ extract 63 56) .cse7))))) (not (bvuge .cse2 (let ((.cse8 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (_ bv7 64)) (select .cse8 (_ bv6 64))) (select .cse8 (_ bv5 64))) (select .cse8 (_ bv4 64))) (select .cse8 (_ bv3 64))) (select .cse8 (_ bv2 64))) (select .cse8 (_ bv1 64))) (select .cse8 (_ bv0 64)))))))) .cse5))) (= (_ bv0 64) .cse2)))) is different from false [2022-11-16 20:44:16,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 136 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1226 treesize of output 871 [2022-11-16 20:44:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-16 20:44:25,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:45:45,305 WARN L233 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 263 DAG size of output: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:45:56,859 WARN L233 SmtUtils]: Spent 11.55s on a formula simplification. DAG size of input: 197 DAG size of output: 192 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:46:02,518 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:46:08,463 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 198 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:46:11,896 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse2 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64))) (.cse5 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64))) (.cse6 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse8 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse10 (let ((.cse22 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse22 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (let ((.cse9 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) ((_ extract 7 0) .cse9)) (_ bv1 64) ((_ extract 15 8) .cse9)) (_ bv2 64) ((_ extract 23 16) .cse9)) (_ bv3 64) ((_ extract 31 24) .cse9)) (_ bv4 64) ((_ extract 39 32) .cse9)) (_ bv5 64) ((_ extract 47 40) .cse9)) (_ bv6 64) ((_ extract 55 48) .cse9)) (_ bv7 64) ((_ extract 63 56) .cse9)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 .cse1) (select .cse0 .cse2)) (select .cse0 .cse3)) (select .cse0 .cse4)) (select .cse0 .cse5)) (select .cse0 .cse6)) (select .cse0 .cse7)) (select .cse0 .cse8)))) (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse21 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (let ((.cse19 ((_ extract 7 0) .cse21)) (.cse18 ((_ extract 15 8) .cse21)) (.cse17 ((_ extract 23 16) .cse21)) (.cse16 ((_ extract 31 24) .cse21)) (.cse15 ((_ extract 39 32) .cse21)) (.cse14 ((_ extract 47 40) .cse21)) (.cse13 ((_ extract 55 48) .cse21)) (.cse12 ((_ extract 63 56) .cse21))) (let ((.cse11 (let ((.cse20 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) .cse19) (_ bv1 64) .cse18) (_ bv2 64) .cse17) (_ bv3 64) .cse16) (_ bv4 64) .cse15) (_ bv5 64) .cse14) (_ bv6 64) .cse13) (_ bv7 64) .cse12)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse20 .cse1) (select .cse20 .cse2)) (select .cse20 .cse3)) (select .cse20 .cse4)) (select .cse20 .cse5)) (select .cse20 .cse6)) (select .cse20 .cse7)) (select .cse20 .cse8))))) (or (not (= (_ bv0 64) .cse11)) (bvuge .cse11 (concat (concat (concat (concat (concat (concat (concat .cse12 .cse13) .cse14) .cse15) .cse16) .cse17) .cse18) .cse19))))))))) is different from true [2022-11-16 20:46:11,897 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 20:46:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064247324] [2022-11-16 20:46:11,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064247324] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:46:11,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1568720326] [2022-11-16 20:46:11,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:46:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 20:46:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 [2022-11-16 20:46:11,899 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 20:46:11,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a61ef3-35a3-4e3d-b49d-b0bf5082b00a/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process