./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_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_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/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_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/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_67cad71d-411f-44b6-b813-84c9bfbec4cb/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 a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d --- 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 03:59:16,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:59:16,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:59:16,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:59:16,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:59:16,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:59:16,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:59:16,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:59:16,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:59:16,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:59:16,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:59:16,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:59:16,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:59:16,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:59:16,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:59:16,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:59:16,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:59:16,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:59:16,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:59:16,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:59:16,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:59:16,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:59:16,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:59:16,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:59:16,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:59:16,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:59:16,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:59:16,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:59:16,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:59:16,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:59:16,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:59:16,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:59:16,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:59:16,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:59:16,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:59:16,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:59:16,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:59:16,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:59:16,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:59:16,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:59:16,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:59:16,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:59:16,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:59:16,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:59:16,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:59:16,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:59:16,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:59:16,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:59:16,823 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:59:16,823 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:59:16,823 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:59:16,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:59:16,825 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:59:16,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:59:16,825 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:59:16,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:59:16,825 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:59:16,826 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:59:16,826 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:59:16,826 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:59:16,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:59:16,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:59:16,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:59:16,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:59:16,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:59:16,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:59:16,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:59:16,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:59:16,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:59:16,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:59:16,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:59:16,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:59:16,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:59:16,830 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:59:16,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:59:16,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:59:16,830 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:59:16,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:59:16,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:59:16,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:59:16,831 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_67cad71d-411f-44b6-b813-84c9bfbec4cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5cc7d054134727d17d186899e752bcb9b04f811a63c25a6e1e851147ab3514d [2022-11-03 03:59:17,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:59:17,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:59:17,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:59:17,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:59:17,121 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:59:17,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-03 03:59:17,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/data/6f75313a8/e807d4ec464a4279a181b750e3f4ae80/FLAG44bf7db49 [2022-11-03 03:59:18,109 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:59:18,111 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2022-11-03 03:59:18,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/data/6f75313a8/e807d4ec464a4279a181b750e3f4ae80/FLAG44bf7db49 [2022-11-03 03:59:18,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/data/6f75313a8/e807d4ec464a4279a181b750e3f4ae80 [2022-11-03 03:59:18,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:59:18,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:59:18,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:59:18,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:59:18,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:59:18,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:18" (1/1) ... [2022-11-03 03:59:18,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc91c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:18, skipping insertion in model container [2022-11-03 03:59:18,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:59:18" (1/1) ... [2022-11-03 03:59:18,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:59:18,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:59:19,028 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_67cad71d-411f-44b6-b813-84c9bfbec4cb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-03 03:59:19,035 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_67cad71d-411f-44b6-b813-84c9bfbec4cb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-03 03:59:19,982 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:19,988 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:19,990 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:19,991 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:19,994 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,009 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,010 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,012 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,012 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,491 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:59:20,492 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:59:20,493 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:59:20,495 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:59:20,499 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:59:20,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:59:20,504 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:59:20,505 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:59:20,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:59:20,510 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:59:20,679 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:59:20,760 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,761 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:59:20,906 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:59:20,933 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_67cad71d-411f-44b6-b813-84c9bfbec4cb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2022-11-03 03:59:20,943 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_67cad71d-411f-44b6-b813-84c9bfbec4cb/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2022-11-03 03:59:20,982 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,982 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,983 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,984 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,989 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,990 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,991 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:20,991 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:21,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:59:21,110 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:59:21,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:59:21,112 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:59:21,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:59:21,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:59:21,114 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:59:21,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:59:21,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:59:21,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:59:21,168 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:59:21,269 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:21,270 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:59:21,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:59:21,544 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:59:21,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21 WrapperNode [2022-11-03 03:59:21,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:59:21,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:59:21,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:59:21,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:59:21,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,761 INFO L138 Inliner]: procedures = 690, calls = 2600, calls flagged for inlining = 56, calls inlined = 3, statements flattened = 728 [2022-11-03 03:59:21,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:59:21,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:59:21,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:59:21,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:59:21,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:59:21,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:59:21,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:59:21,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:59:21,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (1/1) ... [2022-11-03 03:59:21,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:59:21,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:59:21,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:59:21,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:59:21,968 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:59:21,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:59:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:59:21,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:59:21,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:59:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:59:21,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:59:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:59:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:59:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2022-11-03 03:59:21,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2022-11-03 03:59:21,971 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:59:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:59:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 03:59:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 03:59:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:59:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:59:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:59:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:59:22,266 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:59:22,268 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:59:23,566 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:59:23,693 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:59:23,693 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:59:23,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:23 BoogieIcfgContainer [2022-11-03 03:59:23,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:59:23,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:59:23,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:59:23,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:59:23,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:59:18" (1/3) ... [2022-11-03 03:59:23,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e98fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:23, skipping insertion in model container [2022-11-03 03:59:23,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:59:21" (2/3) ... [2022-11-03 03:59:23,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e98fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:59:23, skipping insertion in model container [2022-11-03 03:59:23,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:23" (3/3) ... [2022-11-03 03:59:23,706 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2022-11-03 03:59:23,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:59:23,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:59:23,800 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:59:23,813 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;@14806069, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:59:23,813 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:59:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-03 03:59:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 03:59:23,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:23,827 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:59:23,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:59:23,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:23,835 INFO L85 PathProgramCache]: Analyzing trace with hash -352444336, now seen corresponding path program 1 times [2022-11-03 03:59:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:23,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577033456] [2022-11-03 03:59:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:59:27,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:27,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577033456] [2022-11-03 03:59:27,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577033456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:27,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:27,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 03:59:27,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811584678] [2022-11-03 03:59:27,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:27,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 03:59:27,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:27,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 03:59:27,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:59:27,226 INFO L87 Difference]: Start difference. First operand has 36 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 03:59:27,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:27,841 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2022-11-03 03:59:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 03:59:27,843 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 29 [2022-11-03 03:59:27,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:27,851 INFO L225 Difference]: With dead ends: 58 [2022-11-03 03:59:27,852 INFO L226 Difference]: Without dead ends: 32 [2022-11-03 03:59:27,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:59:27,868 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:27,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 222 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:59:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-03 03:59:27,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-03 03:59:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-03 03:59:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-11-03 03:59:27,917 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 29 [2022-11-03 03:59:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:59:27,918 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-11-03 03:59:27,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 03:59:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-11-03 03:59:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-03 03:59:27,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:59:27,921 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:59:27,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:59:27,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:59:27,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:59:27,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2063882338, now seen corresponding path program 1 times [2022-11-03 03:59:27,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:59:27,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115493805] [2022-11-03 03:59:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:59:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:59:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:59:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 03:59:28,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:59:28,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115493805] [2022-11-03 03:59:28,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115493805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:59:28,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:59:28,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 03:59:28,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177285111] [2022-11-03 03:59:28,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:59:28,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 03:59:28,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:59:28,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 03:59:28,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:59:28,998 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:59:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:59:29,170 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-11-03 03:59:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:59:29,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) Word has length 37 [2022-11-03 03:59:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:59:29,170 INFO L225 Difference]: With dead ends: 32 [2022-11-03 03:59:29,171 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:59:29,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:59:29,172 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:59:29,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 183 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:59:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:59:29,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:59:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:59:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:59:29,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-03 03:59:29,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:59:29,174 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:59:29,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:59:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:59:29,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:59:29,177 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:59:29,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:59:29,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:59:29,310 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6899 6903) the Hoare annotation is: true [2022-11-03 03:59:29,311 INFO L899 garLoopResultBuilder]: For program point L6900-3(lines 6900 6902) no Hoare annotation was computed. [2022-11-03 03:59:29,311 INFO L902 garLoopResultBuilder]: At program point L6902(line 6902) the Hoare annotation is: true [2022-11-03 03:59:29,311 INFO L899 garLoopResultBuilder]: For program point L6900-1(lines 6900 6902) no Hoare annotation was computed. [2022-11-03 03:59:29,311 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6899 6903) no Hoare annotation was computed. [2022-11-03 03:59:29,311 INFO L902 garLoopResultBuilder]: At program point L6900(line 6900) the Hoare annotation is: true [2022-11-03 03:59:29,311 INFO L899 garLoopResultBuilder]: For program point L6902-1(line 6902) no Hoare annotation was computed. [2022-11-03 03:59:29,311 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2022-11-03 03:59:29,312 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-03 03:59:29,312 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-03 03:59:29,312 INFO L902 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2022-11-03 03:59:29,312 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-03 03:59:29,312 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-03 03:59:29,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:59:29,312 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 03:59:29,312 INFO L902 garLoopResultBuilder]: At program point L8962-1(line 8962) the Hoare annotation is: true [2022-11-03 03:59:29,313 INFO L895 garLoopResultBuilder]: At program point L8970(line 8970) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (<= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616))) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0))) [2022-11-03 03:59:29,313 INFO L902 garLoopResultBuilder]: At program point L8964(line 8964) the Hoare annotation is: true [2022-11-03 03:59:29,313 INFO L899 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2022-11-03 03:59:29,313 INFO L895 garLoopResultBuilder]: At program point L8964-1(line 8964) the Hoare annotation is: (or (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.offset| 0)) (<= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| (* 18446744073709551616 (div |ULTIMATE.start_aws_hash_array_ignore_case_harness_~length~2#1| 18446744073709551616))) (not (= |ULTIMATE.start_aws_hash_array_ignore_case_harness_~array~0#1.base| 0))) [2022-11-03 03:59:29,313 INFO L902 garLoopResultBuilder]: At program point L8962(line 8962) the Hoare annotation is: true [2022-11-03 03:59:29,314 INFO L902 garLoopResultBuilder]: At program point L8970-1(lines 8959 8971) the Hoare annotation is: true [2022-11-03 03:59:29,314 INFO L899 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2022-11-03 03:59:29,314 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-03 03:59:29,314 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-03 03:59:29,314 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-03 03:59:29,314 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-03 03:59:29,314 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-03 03:59:29,314 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:59:29,315 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:59:29,315 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-03 03:59:29,315 INFO L895 garLoopResultBuilder]: At program point L7804-2(lines 7804 7812) the Hoare annotation is: (and (= |aws_hash_array_ignore_case_#in~array.offset| aws_hash_array_ignore_case_~array.offset) (= |aws_hash_array_ignore_case_#in~array.base| aws_hash_array_ignore_case_~array.base) (<= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (or (<= |aws_hash_array_ignore_case_#in~len| (* 18446744073709551616 (div aws_hash_array_ignore_case_~len 18446744073709551616))) (not (= |aws_hash_array_ignore_case_#in~array.offset| 0)) (not (= |aws_hash_array_ignore_case_#in~array.base| 0))) (<= aws_hash_array_ignore_case_~len |aws_hash_array_ignore_case_#in~len|)) [2022-11-03 03:59:29,315 INFO L899 garLoopResultBuilder]: For program point aws_hash_array_ignore_caseEXIT(lines 7794 7814) no Hoare annotation was computed. [2022-11-03 03:59:29,315 INFO L902 garLoopResultBuilder]: At program point aws_hash_array_ignore_caseENTRY(lines 7794 7814) the Hoare annotation is: true [2022-11-03 03:59:29,315 INFO L899 garLoopResultBuilder]: For program point L7795-1(line 7795) no Hoare annotation was computed. [2022-11-03 03:59:29,316 INFO L895 garLoopResultBuilder]: At program point L7795(line 7795) the Hoare annotation is: (and (= |aws_hash_array_ignore_case_#in~array.offset| aws_hash_array_ignore_case_~array.offset) (= |aws_hash_array_ignore_case_#in~array.base| aws_hash_array_ignore_case_~array.base) (<= |aws_hash_array_ignore_case_#in~len| aws_hash_array_ignore_case_~len) (<= aws_hash_array_ignore_case_~len |aws_hash_array_ignore_case_#in~len|)) [2022-11-03 03:59:29,319 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:59:29,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:59:29,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:59:29 BoogieIcfgContainer [2022-11-03 03:59:29,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:59:29,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:59:29,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:59:29,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:59:29,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:59:23" (3/4) ... [2022-11-03 03:59:29,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:59:29,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-03 03:59:29,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-03 03:59:29,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-03 03:59:29,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 03:59:29,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-03 03:59:29,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2022-11-03 03:59:29,352 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2022-11-03 03:59:29,353 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-11-03 03:59:29,354 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 03:59:29,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 03:59:29,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 03:59:29,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:59:29,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:59:29,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:59:29,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((array == array && array == array) && \old(len) <= len) && ((\old(len) <= 18446744073709551616 * (len / 18446744073709551616) || !(array == 0)) || !(array == 0))) && len <= \old(len) [2022-11-03 03:59:31,524 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:59:31,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:59:31,525 INFO L158 Benchmark]: Toolchain (without parser) took 12924.22ms. Allocated memory was 140.5MB in the beginning and 327.2MB in the end (delta: 186.6MB). Free memory was 99.7MB in the beginning and 162.8MB in the end (delta: -63.2MB). Peak memory consumption was 235.0MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,525 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:59:31,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2942.86ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 99.3MB in the beginning and 128.4MB in the end (delta: -29.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.81ms. Allocated memory is still 190.8MB. Free memory was 128.4MB in the beginning and 116.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,526 INFO L158 Benchmark]: Boogie Preprocessor took 114.26ms. Allocated memory is still 190.8MB. Free memory was 116.9MB in the beginning and 111.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,526 INFO L158 Benchmark]: RCFGBuilder took 1819.99ms. Allocated memory is still 190.8MB. Free memory was 111.6MB in the beginning and 81.0MB in the end (delta: 30.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,527 INFO L158 Benchmark]: TraceAbstraction took 5633.10ms. Allocated memory was 190.8MB in the beginning and 327.2MB in the end (delta: 136.3MB). Free memory was 79.9MB in the beginning and 100.8MB in the end (delta: -20.9MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,527 INFO L158 Benchmark]: Witness Printer took 2190.71ms. Allocated memory is still 327.2MB. Free memory was 100.8MB in the beginning and 162.8MB in the end (delta: -62.0MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-03 03:59:31,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2942.86ms. Allocated memory was 140.5MB in the beginning and 190.8MB in the end (delta: 50.3MB). Free memory was 99.3MB in the beginning and 128.4MB in the end (delta: -29.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.81ms. Allocated memory is still 190.8MB. Free memory was 128.4MB in the beginning and 116.9MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.26ms. Allocated memory is still 190.8MB. Free memory was 116.9MB in the beginning and 111.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1819.99ms. Allocated memory is still 190.8MB. Free memory was 111.6MB in the beginning and 81.0MB in the end (delta: 30.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5633.10ms. Allocated memory was 190.8MB in the beginning and 327.2MB in the end (delta: 136.3MB). Free memory was 79.9MB in the beginning and 100.8MB in the end (delta: -20.9MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. * Witness Printer took 2190.71ms. Allocated memory is still 327.2MB. Free memory was 100.8MB in the beginning and 162.8MB in the end (delta: -62.0MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 2, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 405 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 454 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 394 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 47 mSDtfsCounter, 394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 26 PreInvPairs, 31 NumberOfFragments, 87 HoareAnnotationTreeSize, 26 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 151 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7804]: Loop Invariant Derived loop invariant: (((array == array && array == array) && \old(len) <= len) && ((\old(len) <= 18446744073709551616 * (len / 18446744073709551616) || !(array == 0)) || !(array == 0))) && len <= \old(len) RESULT: Ultimate proved your program to be correct! [2022-11-03 03:59:31,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67cad71d-411f-44b6-b813-84c9bfbec4cb/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE