./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI --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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- 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-5e519f3 [2022-11-03 01:36:20,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:36:20,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:36:20,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:36:20,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:36:20,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:36:20,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:36:20,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:36:20,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:36:20,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:36:20,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:36:20,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:36:20,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:36:20,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:36:20,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:36:20,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:36:20,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:36:20,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:36:20,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:36:20,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:36:20,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:36:20,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:36:20,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:36:20,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:36:20,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:36:20,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:36:20,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:36:20,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:36:20,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:36:20,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:36:20,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:36:20,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:36:20,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:36:20,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:36:20,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:36:20,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:36:20,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:36:20,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:36:20,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:36:20,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:36:20,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:36:20,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:36:20,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:36:20,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:36:20,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:36:20,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:36:20,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:36:20,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:36:20,647 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:36:20,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:36:20,648 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:36:20,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:36:20,649 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:36:20,649 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:36:20,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:36:20,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:36:20,650 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:36:20,650 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:36:20,650 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:36:20,651 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:36:20,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:36:20,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:36:20,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:36:20,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:36:20,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:36:20,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:36:20,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:36:20,654 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:36:20,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:36:20,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:36:20,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:36:20,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:20,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:36:20,656 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:36:20,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:36:20,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:36:20,656 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:36:20,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:36:20,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:36:20,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:36:20,658 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2022-11-03 01:36:20,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:36:20,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:36:20,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:36:20,986 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:36:20,987 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:36:20,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-11-03 01:36:21,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/data/f5fba99a8/a469c23a5bd34f27972ed9a1f1345dbc/FLAGade47fd13 [2022-11-03 01:36:21,938 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:36:21,938 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2022-11-03 01:36:21,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/data/f5fba99a8/a469c23a5bd34f27972ed9a1f1345dbc/FLAGade47fd13 [2022-11-03 01:36:22,399 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/data/f5fba99a8/a469c23a5bd34f27972ed9a1f1345dbc [2022-11-03 01:36:22,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:36:22,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:36:22,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:22,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:36:22,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:36:22,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:22" (1/1) ... [2022-11-03 01:36:22,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15219e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:22, skipping insertion in model container [2022-11-03 01:36:22,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:36:22" (1/1) ... [2022-11-03 01:36:22,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:36:22,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:36:22,826 WARN L230 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2022-11-03 01:36:22,836 WARN L230 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2022-11-03 01:36:23,919 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,922 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,924 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,924 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,926 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,939 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,940 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,942 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:23,943 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:24,406 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:36:24,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:36:24,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:36:24,411 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:36:24,416 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:36:24,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:36:24,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:36:24,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:36:24,426 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:36:24,429 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:36:24,650 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:36:24,823 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:24,824 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:24,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:24,969 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:36:24,984 WARN L230 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4499,4512] [2022-11-03 01:36:24,985 WARN L230 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_4452a1ee-0472-463c-ad93-3c2f815cb7f5/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i[4559,4572] [2022-11-03 01:36:25,026 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,027 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,027 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,028 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,029 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,037 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,038 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,039 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,039 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,101 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 01:36:25,104 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 01:36:25,105 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 01:36:25,106 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 01:36:25,108 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 01:36:25,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 01:36:25,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 01:36:25,110 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 01:36:25,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 01:36:25,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 01:36:25,142 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 01:36:25,234 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,235 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 01:36:25,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:36:25,568 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:36:25,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25 WrapperNode [2022-11-03 01:36:25,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:36:25,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:25,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:36:25,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:36:25,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,787 INFO L138 Inliner]: procedures = 690, calls = 2737, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 793 [2022-11-03 01:36:25,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:36:25,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:36:25,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:36:25,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:36:25,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:36:25,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:36:25,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:36:25,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:36:25,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (1/1) ... [2022-11-03 01:36:25,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:36:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:25,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:36:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:36:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-03 01:36:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-03 01:36:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:36:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 01:36:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 01:36:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2022-11-03 01:36:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-03 01:36:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-03 01:36:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:36:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:36:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:36:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:36:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:36:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 01:36:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 01:36:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 01:36:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 01:36:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:36:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:36:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:36:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:36:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:36:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 01:36:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 01:36:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-03 01:36:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-03 01:36:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:36:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:36:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 01:36:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 01:36:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:36:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:36:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-03 01:36:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-03 01:36:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:36:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 01:36:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 01:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2022-11-03 01:36:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2022-11-03 01:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 01:36:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 01:36:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 01:36:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 01:36:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 01:36:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 01:36:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:36:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real [2022-11-03 01:36:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:36:26,385 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:36:26,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:36:26,654 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2022-11-03 01:36:27,819 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:36:27,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:36:27,955 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:36:27,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:27 BoogieIcfgContainer [2022-11-03 01:36:27,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:36:27,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:36:27,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:36:27,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:36:27,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:36:22" (1/3) ... [2022-11-03 01:36:27,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e553163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:27, skipping insertion in model container [2022-11-03 01:36:27,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:36:25" (2/3) ... [2022-11-03 01:36:27,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e553163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:36:27, skipping insertion in model container [2022-11-03 01:36:27,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:36:27" (3/3) ... [2022-11-03 01:36:27,966 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2022-11-03 01:36:27,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:36:27,986 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:36:28,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:36:28,083 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;@f036548, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:36:28,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:36:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-03 01:36:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 01:36:28,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:28,106 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-03 01:36:28,107 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:36:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:28,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1018121587, now seen corresponding path program 1 times [2022-11-03 01:36:28,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:28,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125299445] [2022-11-03 01:36:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 01:36:29,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:29,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125299445] [2022-11-03 01:36:29,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125299445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:29,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:29,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:36:29,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869489871] [2022-11-03 01:36:29,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:29,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:36:29,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:29,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:36:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:36:29,247 INFO L87 Difference]: Start difference. First operand has 109 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 59 states have internal predecessors, (70), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 01:36:29,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:29,526 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2022-11-03 01:36:29,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:36:29,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) Word has length 54 [2022-11-03 01:36:29,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:29,544 INFO L225 Difference]: With dead ends: 148 [2022-11-03 01:36:29,544 INFO L226 Difference]: Without dead ends: 110 [2022-11-03 01:36:29,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:36:29,560 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:29,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 459 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:36:29,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-03 01:36:29,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-03 01:36:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 59 states have (on average 1.152542372881356) internal successors, (68), 60 states have internal predecessors, (68), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 33 states have call predecessors, (33), 32 states have call successors, (33) [2022-11-03 01:36:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 134 transitions. [2022-11-03 01:36:29,617 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 134 transitions. Word has length 54 [2022-11-03 01:36:29,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:29,618 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 134 transitions. [2022-11-03 01:36:29,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-03 01:36:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2022-11-03 01:36:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 01:36:29,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:29,627 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-03 01:36:29,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:36:29,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:36:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:29,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1414451221, now seen corresponding path program 1 times [2022-11-03 01:36:29,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:29,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625454257] [2022-11-03 01:36:29,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:29,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 01:36:30,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:30,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625454257] [2022-11-03 01:36:30,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625454257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:30,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:30,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:36:30,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220173023] [2022-11-03 01:36:30,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:30,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:36:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:30,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:36:30,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:36:30,334 INFO L87 Difference]: Start difference. First operand 110 states and 134 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 01:36:30,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:30,515 INFO L93 Difference]: Finished difference Result 141 states and 169 transitions. [2022-11-03 01:36:30,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:36:30,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) Word has length 58 [2022-11-03 01:36:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:30,518 INFO L225 Difference]: With dead ends: 141 [2022-11-03 01:36:30,518 INFO L226 Difference]: Without dead ends: 110 [2022-11-03 01:36:30,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:36:30,520 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:30,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:36:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-03 01:36:30,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2022-11-03 01:36:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 56 states have (on average 1.125) internal successors, (63), 57 states have internal predecessors, (63), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-03 01:36:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2022-11-03 01:36:30,534 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 58 [2022-11-03 01:36:30,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:30,540 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2022-11-03 01:36:30,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-03 01:36:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2022-11-03 01:36:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 01:36:30,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:30,543 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:30,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:36:30,543 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:36:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:30,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1146342054, now seen corresponding path program 1 times [2022-11-03 01:36:30,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:30,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693530709] [2022-11-03 01:36:30,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 01:36:31,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:31,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693530709] [2022-11-03 01:36:31,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693530709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:31,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:31,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:36:31,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680547361] [2022-11-03 01:36:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:31,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:36:31,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:31,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:36:31,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:36:31,441 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 01:36:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:31,622 INFO L93 Difference]: Finished difference Result 156 states and 187 transitions. [2022-11-03 01:36:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 01:36:31,623 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 89 [2022-11-03 01:36:31,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:31,628 INFO L225 Difference]: With dead ends: 156 [2022-11-03 01:36:31,631 INFO L226 Difference]: Without dead ends: 112 [2022-11-03 01:36:31,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:36:31,633 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 3 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:31,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 549 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:36:31,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-03 01:36:31,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-11-03 01:36:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 59 states have (on average 1.11864406779661) internal successors, (66), 60 states have internal predecessors, (66), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 33 states have call predecessors, (33), 32 states have call successors, (33) [2022-11-03 01:36:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 132 transitions. [2022-11-03 01:36:31,663 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 132 transitions. Word has length 89 [2022-11-03 01:36:31,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:31,664 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 132 transitions. [2022-11-03 01:36:31,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-03 01:36:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 132 transitions. [2022-11-03 01:36:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 01:36:31,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:31,667 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:31,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:36:31,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:36:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:31,668 INFO L85 PathProgramCache]: Analyzing trace with hash 879882711, now seen corresponding path program 1 times [2022-11-03 01:36:31,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:31,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974449720] [2022-11-03 01:36:31,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:31,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 01:36:32,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:32,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974449720] [2022-11-03 01:36:32,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974449720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:36:32,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:36:32,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 01:36:32,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827635126] [2022-11-03 01:36:32,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:36:32,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:36:32,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:36:32,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:36:32,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:36:32,752 INFO L87 Difference]: Start difference. First operand 110 states and 132 transitions. Second operand has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 01:36:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:36:32,984 INFO L93 Difference]: Finished difference Result 154 states and 184 transitions. [2022-11-03 01:36:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 01:36:32,985 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) Word has length 93 [2022-11-03 01:36:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:36:32,987 INFO L225 Difference]: With dead ends: 154 [2022-11-03 01:36:32,987 INFO L226 Difference]: Without dead ends: 104 [2022-11-03 01:36:32,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:36:32,989 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:36:32,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 868 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:36:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-03 01:36:32,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-03 01:36:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 56 states have internal predecessors, (60), 32 states have call successors, (32), 16 states have call predecessors, (32), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-03 01:36:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 123 transitions. [2022-11-03 01:36:33,000 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 123 transitions. Word has length 93 [2022-11-03 01:36:33,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:36:33,001 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 123 transitions. [2022-11-03 01:36:33,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 5 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 01:36:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 123 transitions. [2022-11-03 01:36:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 01:36:33,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:36:33,003 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:36:33,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:36:33,004 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:36:33,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:36:33,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2047562133, now seen corresponding path program 1 times [2022-11-03 01:36:33,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:36:33,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112601184] [2022-11-03 01:36:33,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:33,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:36:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-03 01:36:39,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:36:39,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112601184] [2022-11-03 01:36:39,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112601184] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:36:39,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485388487] [2022-11-03 01:36:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:36:39,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:36:39,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:36:39,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:36:39,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:36:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:36:40,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 2722 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-03 01:36:40,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:36:43,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 01:36:43,641 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-11-03 01:36:43,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 31 [2022-11-03 01:36:44,822 INFO L356 Elim1Store]: treesize reduction 53, result has 13.1 percent of original size [2022-11-03 01:36:44,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 61 [2022-11-03 01:36:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 01:36:45,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:36:52,162 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_#Ultimate.C_memcpy_size| 18446744073709551616))) (let ((.cse45 (not (< 0 .cse6)))) (and (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse5 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse3 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse5 0)) (.cse2 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse5 0)) (.cse4 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse1 (mod (select .cse2 .cse4) 18446744073709551616)) (.cse0 (select .cse3 .cse4))) (or (not (= (mod (+ .cse0 1) 18446744073709551616) 0)) (not (<= .cse1 9223372036854775807)) (= (mod (select .cse2 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse1)) 256) 0) (not (= (mod (select .cse3 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (mod .cse0 18446744073709551616) (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse12 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse10 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse12 0)) (.cse9 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse12 0)) (.cse11 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse7 (mod (select .cse9 .cse11) 18446744073709551616)) (.cse8 (mod (select .cse10 .cse11) 18446744073709551616))) (or (not (<= .cse7 9223372036854775807)) (not (<= .cse8 9223372036854775807)) (not (= (mod (select .cse9 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse7 16)) 256) 0)) (= (mod (select .cse10 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse8)) 256) 0)))))))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse19 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse15 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse19 0)) (.cse18 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse13 (select .cse15 .cse18)) (.cse17 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse19 0))) (let ((.cse14 (mod (select .cse17 .cse18) 18446744073709551616)) (.cse16 (mod .cse13 18446744073709551616))) (or (not (= (mod (+ .cse13 1) 18446744073709551616) 0)) (not (<= .cse14 9223372036854775807)) (not (= (mod (select .cse15 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse16 16)) 256) 0)) (= (mod (select .cse17 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse14)) 256) 0) (not (= (mod (select .cse15 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse16 (- 18446744073709551600))) 256) 0)))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse26 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse22 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse26 0)) (.cse25 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse20 (select .cse22 .cse25)) (.cse24 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse26 0))) (let ((.cse21 (mod (select .cse24 .cse25) 18446744073709551616)) (.cse23 (mod .cse20 18446744073709551616))) (or (not (= (mod (+ .cse20 1) 18446744073709551616) 0)) (<= .cse21 9223372036854775807) (not (= (mod (select .cse22 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse23 16)) 256) 0)) (= (mod (select .cse24 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse21)) 256) 0) (not (= (mod (select .cse22 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse23 (- 18446744073709551600))) 256) 0)))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse32 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse30 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse32 0)) (.cse29 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse32 0)) (.cse31 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse27 (mod (select .cse29 .cse31) 18446744073709551616)) (.cse28 (mod (select .cse30 .cse31) 18446744073709551616))) (or (not (<= .cse27 9223372036854775807)) (<= .cse28 9223372036854775807) (= (mod (select .cse29 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse27)) 256) 0) (not (= (mod (select .cse30 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse28 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse38 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse36 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse38 0)) (.cse35 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse38 0)) (.cse37 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse33 (mod (select .cse35 .cse37) 18446744073709551616)) (.cse34 (mod (select .cse36 .cse37) 18446744073709551616))) (or (not (<= .cse33 9223372036854775807)) (<= .cse34 9223372036854775807) (not (= (mod (select .cse35 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse33 16)) 256) 0)) (= (mod (select .cse36 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse34)) 256) 0)))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse44 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse42 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse44 0)) (.cse41 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse44 0)) (.cse43 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse39 (mod (select .cse41 .cse43) 18446744073709551616)) (.cse40 (mod (select .cse42 .cse43) 18446744073709551616))) (or (not (<= .cse39 9223372036854775807)) (<= .cse40 9223372036854775807) (= (mod (select .cse41 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse39)) 256) 0) (not (= (mod (select .cse42 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse40 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) .cse45 (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse51 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse49 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse51 0)) (.cse48 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse51 0)) (.cse50 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse47 (mod (select .cse48 .cse50) 18446744073709551616)) (.cse46 (mod (select .cse49 .cse50) 18446744073709551616))) (or (<= .cse46 9223372036854775807) (<= .cse47 9223372036854775807) (= (mod (select .cse48 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse47)) 256) 0) (not (= (mod (select .cse49 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse46 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse57 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse55 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse57 0)) (.cse54 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse57 0)) (.cse56 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse52 (mod (select .cse54 .cse56) 18446744073709551616)) (.cse53 (mod (select .cse55 .cse56) 18446744073709551616))) (or (not (<= .cse52 9223372036854775807)) (<= .cse53 9223372036854775807) (not (= (mod (select .cse54 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse52 16)) 256) 0)) (= (mod (select .cse55 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse53)) 256) 0)))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse63 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse59 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse63 0)) (.cse61 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse63 0)) (.cse62 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse58 (mod (select .cse61 .cse62) 18446744073709551616)) (.cse60 (mod (select .cse59 .cse62) 18446744073709551616))) (or (<= .cse58 9223372036854775807) (not (= (mod (select .cse59 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse60 16)) 256) 0)) (= (mod (select .cse61 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse58)) 256) 0) (not (= (mod (select .cse59 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse60 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse69 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse65 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse69 0)) (.cse67 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse69 0)) (.cse68 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse64 (mod (select .cse67 .cse68) 18446744073709551616)) (.cse66 (mod (select .cse65 .cse68) 18446744073709551616))) (or (<= .cse64 9223372036854775807) (not (= (mod (select .cse65 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse66 16)) 256) 0)) (= (mod (select .cse67 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse64)) 256) 0) (not (= (mod (select .cse65 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse66 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse75 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse71 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse75 0)) (.cse73 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse75 0)) (.cse74 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse70 (mod (select .cse73 .cse74) 18446744073709551616)) (.cse72 (mod (select .cse71 .cse74) 18446744073709551616))) (or (not (<= .cse70 9223372036854775807)) (not (= (mod (select .cse71 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse72 16)) 256) 0)) (= (mod (select .cse73 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse70)) 256) 0) (not (= (mod (select .cse71 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse72 (- 18446744073709551600))) 256) 0))))))))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse81 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse77 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse81 0)) (.cse79 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse81 0)) (.cse80 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse76 (mod (select .cse79 .cse80) 18446744073709551616)) (.cse78 (mod (select .cse77 .cse80) 18446744073709551616))) (or (not (<= .cse76 9223372036854775807)) (not (= (mod (select .cse77 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse78 16)) 256) 0)) (= (mod (select .cse79 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse76)) 256) 0) (not (= (mod (select .cse77 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse78 (- 18446744073709551600))) 256) 0))))))))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse87 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse85 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse87 0)) (.cse84 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse87 0)) (.cse86 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse83 (mod (select .cse84 .cse86) 18446744073709551616)) (.cse82 (select .cse85 .cse86))) (or (not (= (mod (+ .cse82 1) 18446744073709551616) 0)) (<= .cse83 9223372036854775807) (= (mod (select .cse84 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse83)) 256) 0) (not (= (mod (select .cse85 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (mod .cse82 18446744073709551616) (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse93 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse91 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse93 0)) (.cse90 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse93 0)) (.cse92 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse88 (mod (select .cse90 .cse92) 18446744073709551616)) (.cse89 (mod (select .cse91 .cse92) 18446744073709551616))) (or (not (<= .cse88 9223372036854775807)) (not (<= .cse89 9223372036854775807)) (not (= (mod (select .cse90 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse88 16)) 256) 0)) (= (mod (select .cse91 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse89)) 256) 0)))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse99 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse97 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse99 0)) (.cse96 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse99 0)) (.cse98 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse95 (mod (select .cse96 .cse98) 18446744073709551616)) (.cse94 (mod (select .cse97 .cse98) 18446744073709551616))) (or (<= .cse94 9223372036854775807) (<= .cse95 9223372036854775807) (= (mod (select .cse96 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse95)) 256) 0) (not (= (mod (select .cse97 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse94 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (<= .cse6 9223372036854775807) (or (and .cse45 (let ((.cse100 (store (select |c_old(#memory_int)| 0) .cse6 0))) (let ((.cse101 (select .cse100 (- 8)))) (or (not (= (mod (select .cse100 (+ (- 18446744073709551616) (mod .cse101 18446744073709551616))) 256) 0)) (not (= (mod (+ .cse101 1) 18446744073709551616) 0)))))) (= (mod (+ (select (store (select |c_#memory_int| 0) .cse6 0) (- 8)) 1) 18446744073709551616) 0))))) is different from false [2022-11-03 01:36:55,371 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (mod |c_#Ultimate.C_memcpy_size| 18446744073709551616))) (and (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse5 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse3 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse5 0)) (.cse2 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse5 0)) (.cse4 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse1 (mod (select .cse2 .cse4) 18446744073709551616)) (.cse0 (select .cse3 .cse4))) (or (not (= (mod (+ .cse0 1) 18446744073709551616) 0)) (not (<= .cse1 9223372036854775807)) (= (mod (select .cse2 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse1)) 256) 0) (not (= (mod (select .cse3 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (mod .cse0 18446744073709551616) (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse12 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse10 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse12 0)) (.cse9 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse12 0)) (.cse11 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse7 (mod (select .cse9 .cse11) 18446744073709551616)) (.cse8 (mod (select .cse10 .cse11) 18446744073709551616))) (or (not (<= .cse7 9223372036854775807)) (not (<= .cse8 9223372036854775807)) (not (= (mod (select .cse9 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse7 16)) 256) 0)) (= (mod (select .cse10 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse8)) 256) 0)))))))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse19 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse15 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse19 0)) (.cse18 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse13 (select .cse15 .cse18)) (.cse17 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse19 0))) (let ((.cse14 (mod (select .cse17 .cse18) 18446744073709551616)) (.cse16 (mod .cse13 18446744073709551616))) (or (not (= (mod (+ .cse13 1) 18446744073709551616) 0)) (not (<= .cse14 9223372036854775807)) (not (= (mod (select .cse15 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse16 16)) 256) 0)) (= (mod (select .cse17 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse14)) 256) 0) (not (= (mod (select .cse15 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse16 (- 18446744073709551600))) 256) 0)))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse26 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse22 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse26 0)) (.cse25 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse20 (select .cse22 .cse25)) (.cse24 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse26 0))) (let ((.cse21 (mod (select .cse24 .cse25) 18446744073709551616)) (.cse23 (mod .cse20 18446744073709551616))) (or (not (= (mod (+ .cse20 1) 18446744073709551616) 0)) (<= .cse21 9223372036854775807) (not (= (mod (select .cse22 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse23 16)) 256) 0)) (= (mod (select .cse24 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse21)) 256) 0) (not (= (mod (select .cse22 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse23 (- 18446744073709551600))) 256) 0)))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse32 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse30 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse32 0)) (.cse29 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse32 0)) (.cse31 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse27 (mod (select .cse29 .cse31) 18446744073709551616)) (.cse28 (mod (select .cse30 .cse31) 18446744073709551616))) (or (not (<= .cse27 9223372036854775807)) (<= .cse28 9223372036854775807) (= (mod (select .cse29 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse27)) 256) 0) (not (= (mod (select .cse30 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse28 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse38 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse36 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse38 0)) (.cse35 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse38 0)) (.cse37 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse33 (mod (select .cse35 .cse37) 18446744073709551616)) (.cse34 (mod (select .cse36 .cse37) 18446744073709551616))) (or (not (<= .cse33 9223372036854775807)) (<= .cse34 9223372036854775807) (not (= (mod (select .cse35 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse33 16)) 256) 0)) (= (mod (select .cse36 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse34)) 256) 0)))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse44 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse42 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse44 0)) (.cse41 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse44 0)) (.cse43 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse39 (mod (select .cse41 .cse43) 18446744073709551616)) (.cse40 (mod (select .cse42 .cse43) 18446744073709551616))) (or (not (<= .cse39 9223372036854775807)) (<= .cse40 9223372036854775807) (= (mod (select .cse41 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse39)) 256) 0) (not (= (mod (select .cse42 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse40 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse50 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse48 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse50 0)) (.cse47 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse50 0)) (.cse49 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse46 (mod (select .cse47 .cse49) 18446744073709551616)) (.cse45 (mod (select .cse48 .cse49) 18446744073709551616))) (or (<= .cse45 9223372036854775807) (<= .cse46 9223372036854775807) (= (mod (select .cse47 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse46)) 256) 0) (not (= (mod (select .cse48 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse45 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse56 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse54 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse56 0)) (.cse53 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse56 0)) (.cse55 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse51 (mod (select .cse53 .cse55) 18446744073709551616)) (.cse52 (mod (select .cse54 .cse55) 18446744073709551616))) (or (not (<= .cse51 9223372036854775807)) (<= .cse52 9223372036854775807) (not (= (mod (select .cse53 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse51 16)) 256) 0)) (= (mod (select .cse54 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse52)) 256) 0)))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse62 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse58 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse62 0)) (.cse60 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse62 0)) (.cse61 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse57 (mod (select .cse60 .cse61) 18446744073709551616)) (.cse59 (mod (select .cse58 .cse61) 18446744073709551616))) (or (<= .cse57 9223372036854775807) (not (= (mod (select .cse58 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse59 16)) 256) 0)) (= (mod (select .cse60 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse57)) 256) 0) (not (= (mod (select .cse58 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse59 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse68 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse64 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse68 0)) (.cse66 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse68 0)) (.cse67 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse63 (mod (select .cse66 .cse67) 18446744073709551616)) (.cse65 (mod (select .cse64 .cse67) 18446744073709551616))) (or (<= .cse63 9223372036854775807) (not (= (mod (select .cse64 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse65 16)) 256) 0)) (= (mod (select .cse66 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse63)) 256) 0) (not (= (mod (select .cse64 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse65 (- 18446744073709551600))) 256) 0))))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse74 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse70 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse74 0)) (.cse72 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse74 0)) (.cse73 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse69 (mod (select .cse72 .cse73) 18446744073709551616)) (.cse71 (mod (select .cse70 .cse73) 18446744073709551616))) (or (not (<= .cse69 9223372036854775807)) (not (= (mod (select .cse70 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse71 16)) 256) 0)) (= (mod (select .cse72 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse69)) 256) 0) (not (= (mod (select .cse70 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse71 (- 18446744073709551600))) 256) 0))))))))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse80 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse76 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse80 0)) (.cse78 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse80 0)) (.cse79 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse75 (mod (select .cse78 .cse79) 18446744073709551616)) (.cse77 (mod (select .cse76 .cse79) 18446744073709551616))) (or (not (<= .cse75 9223372036854775807)) (not (= (mod (select .cse76 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse77 16)) 256) 0)) (= (mod (select .cse78 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse75)) 256) 0) (not (= (mod (select .cse76 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse77 (- 18446744073709551600))) 256) 0))))))))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse86 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse84 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse86 0)) (.cse83 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse86 0)) (.cse85 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse82 (mod (select .cse83 .cse85) 18446744073709551616)) (.cse81 (select .cse84 .cse85))) (or (not (= (mod (+ .cse81 1) 18446744073709551616) 0)) (<= .cse82 9223372036854775807) (= (mod (select .cse83 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse82)) 256) 0) (not (= (mod (select .cse84 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (mod .cse81 18446744073709551616) (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (let ((.cse92 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse90 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse92 0)) (.cse89 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse92 0)) (.cse91 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse87 (mod (select .cse89 .cse91) 18446744073709551616)) (.cse88 (mod (select .cse90 .cse91) 18446744073709551616))) (or (not (<= .cse87 9223372036854775807)) (not (<= .cse88 9223372036854775807)) (not (= (mod (select .cse89 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse87 16)) 256) 0)) (= (mod (select .cse90 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse88)) 256) 0)))))) (= (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16) 0) (= v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 0))) (forall ((v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 Int)) (or (forall ((v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 Int)) (let ((.cse98 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 16 .cse6))) (let ((.cse96 (store (select |c_old(#memory_int)| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse98 0)) (.cse95 (store (select |c_#memory_int| v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4) .cse98 0)) (.cse97 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 8))) (let ((.cse94 (mod (select .cse95 .cse97) 18446744073709551616)) (.cse93 (mod (select .cse96 .cse97) 18446744073709551616))) (or (<= .cse93 9223372036854775807) (<= .cse94 9223372036854775807) (= (mod (select .cse95 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 (- 18446744073709551600) .cse94)) 256) 0) (not (= (mod (select .cse96 (+ v_aws_string_new_from_array_~str~2.offset_BEFORE_CALL_4 .cse93 (- 18446744073709551600))) 256) 0))))))) (= v_aws_string_new_from_array_~str~2.base_BEFORE_CALL_4 0))) (<= .cse6 0) (let ((.cse99 (store (select |c_old(#memory_int)| 0) .cse6 0))) (let ((.cse100 (select .cse99 (- 8)))) (or (not (= (mod (select .cse99 (+ (- 18446744073709551616) (mod .cse100 18446744073709551616))) 256) 0)) (= (mod (+ (select (store (select |c_#memory_int| 0) .cse6 0) (- 8)) 1) 18446744073709551616) 0) (not (= (mod (+ .cse100 1) 18446744073709551616) 0))))))) is different from false [2022-11-03 01:38:24,093 WARN L234 SmtUtils]: Spent 1.44m on a formula simplification that was a NOOP. DAG size: 140 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 01:39:50,691 WARN L234 SmtUtils]: Spent 1.38m 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) [2022-11-03 01:39:50,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2022-11-03 01:39:50,732 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2022-11-03 01:39:50,743 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 65 [2022-11-03 01:39:50,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 36 treesize of output 29 [2022-11-03 01:39:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 01:39:52,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485388487] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 01:39:52,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:39:52,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [21, 32] total 68 [2022-11-03 01:39:52,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453698533] [2022-11-03 01:39:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:39:52,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 01:39:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:39:52,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 01:39:52,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=4101, Unknown=3, NotChecked=258, Total=4556 [2022-11-03 01:39:52,423 INFO L87 Difference]: Start difference. First operand 104 states and 123 transitions. Second operand has 22 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 01:46:39,171 WARN L234 SmtUtils]: Spent 6.75m on a formula simplification. DAG size of input: 144 DAG size of output: 144 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 01:46:40,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:40,913 INFO L93 Difference]: Finished difference Result 119 states and 141 transitions. [2022-11-03 01:46:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 01:46:40,915 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21) Word has length 97 [2022-11-03 01:46:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:40,916 INFO L225 Difference]: With dead ends: 119 [2022-11-03 01:46:40,916 INFO L226 Difference]: Without dead ends: 117 [2022-11-03 01:46:40,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 153 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 591.2s TimeCoverageRelationStatistics Valid=233, Invalid=5028, Unknown=3, NotChecked=286, Total=5550 [2022-11-03 01:46:40,919 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 12 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 360 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:40,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1548 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 502 Invalid, 0 Unknown, 360 Unchecked, 1.0s Time] [2022-11-03 01:46:40,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-03 01:46:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2022-11-03 01:46:40,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 63 states have internal predecessors, (68), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-03 01:46:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 136 transitions. [2022-11-03 01:46:40,972 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 136 transitions. Word has length 97 [2022-11-03 01:46:40,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:40,973 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 136 transitions. [2022-11-03 01:46:40,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 4 states have call successors, (23), 3 states have call predecessors, (23), 6 states have return successors, (21), 6 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 01:46:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 136 transitions. [2022-11-03 01:46:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 01:46:40,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:40,982 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:41,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:41,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:46:41,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:41,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1116862849, now seen corresponding path program 1 times [2022-11-03 01:46:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:41,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698224756] [2022-11-03 01:46:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:41,877 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 01:46:41,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:41,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698224756] [2022-11-03 01:46:41,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698224756] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:46:41,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030750137] [2022-11-03 01:46:41,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:41,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:46:41,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:41,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:46:41,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:46:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:42,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2850 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 01:46:42,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:46:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 01:46:42,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:46:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 01:46:42,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030750137] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-03 01:46:42,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 01:46:42,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2022-11-03 01:46:42,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544299715] [2022-11-03 01:46:42,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:42,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:46:42,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:42,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:46:42,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:42,699 INFO L87 Difference]: Start difference. First operand 114 states and 136 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:46:43,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:43,173 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2022-11-03 01:46:43,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:46:43,174 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 98 [2022-11-03 01:46:43,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:43,175 INFO L225 Difference]: With dead ends: 151 [2022-11-03 01:46:43,176 INFO L226 Difference]: Without dead ends: 115 [2022-11-03 01:46:43,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:46:43,177 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 2 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:43,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 212 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:46:43,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-03 01:46:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-03 01:46:43,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 64 states have internal predecessors, (69), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-03 01:46:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 137 transitions. [2022-11-03 01:46:43,212 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 137 transitions. Word has length 98 [2022-11-03 01:46:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:43,213 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 137 transitions. [2022-11-03 01:46:43,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:46:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 137 transitions. [2022-11-03 01:46:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 01:46:43,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:43,218 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:43,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:46:43,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 01:46:43,427 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:43,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:43,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1517809853, now seen corresponding path program 1 times [2022-11-03 01:46:43,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:43,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954756452] [2022-11-03 01:46:43,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 01:46:44,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:44,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954756452] [2022-11-03 01:46:44,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954756452] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:44,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:44,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:46:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128956338] [2022-11-03 01:46:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:44,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:46:44,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:46:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:46:44,021 INFO L87 Difference]: Start difference. First operand 115 states and 137 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:46:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:44,481 INFO L93 Difference]: Finished difference Result 152 states and 181 transitions. [2022-11-03 01:46:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:46:44,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 98 [2022-11-03 01:46:44,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:44,483 INFO L225 Difference]: With dead ends: 152 [2022-11-03 01:46:44,483 INFO L226 Difference]: Without dead ends: 115 [2022-11-03 01:46:44,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:46:44,484 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 3 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:44,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 312 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:46:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-03 01:46:44,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-03 01:46:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 62 states have (on average 1.096774193548387) internal successors, (68), 64 states have internal predecessors, (68), 34 states have call successors, (34), 17 states have call predecessors, (34), 18 states have return successors, (34), 33 states have call predecessors, (34), 33 states have call successors, (34) [2022-11-03 01:46:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 136 transitions. [2022-11-03 01:46:44,513 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 136 transitions. Word has length 98 [2022-11-03 01:46:44,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:44,513 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 136 transitions. [2022-11-03 01:46:44,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-03 01:46:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2022-11-03 01:46:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 01:46:44,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:44,515 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:44,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:46:44,516 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:44,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:44,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2090084077, now seen corresponding path program 1 times [2022-11-03 01:46:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:44,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537468595] [2022-11-03 01:46:44,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-03 01:46:50,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:50,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537468595] [2022-11-03 01:46:50,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537468595] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:46:50,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468156681] [2022-11-03 01:46:50,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:50,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:46:50,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:46:50,923 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:46:50,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4452a1ee-0472-463c-ad93-3c2f815cb7f5/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:46:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:51,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2873 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-03 01:46:51,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:47:00,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 01:47:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:47:46,139 INFO L356 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-11-03 01:47:46,140 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 31 treesize of output 42 [2022-11-03 01:47:46,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 99 treesize of output 82 [2022-11-03 01:47:46,482 INFO L356 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-11-03 01:47:46,483 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: var is still there: v_arrayElimCell_11 input size 58 context size 58 output size 58 [2022-11-03 01:47:46,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [909363284] [2022-11-03 01:47:46,507 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2022-11-03 01:47:46,507 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:47:46,512 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:47:46,517 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:47:46,518 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:48:52,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:48:52,889 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 01:50:31,464 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_size_t with input of size 3307 for LOIs [2022-11-03 01:50:53,835 INFO L197 IcfgInterpreter]: Interpreting procedure aws_string_new_from_array with input of size 2512 for LOIs