./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/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 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 --- 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 03:30:44,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:30:44,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:30:44,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:30:44,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:30:44,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:30:44,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:30:44,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:30:44,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:30:44,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:30:44,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:30:44,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:30:44,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:30:44,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:30:44,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:30:44,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:30:44,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:30:44,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:30:44,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:30:44,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:30:44,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:30:44,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:30:44,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:30:44,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:30:44,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:30:44,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:30:44,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:30:44,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:30:44,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:30:44,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:30:44,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:30:44,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:30:44,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:30:44,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:30:44,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:30:44,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:30:44,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:30:44,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:30:44,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:30:44,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:30:44,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:30:44,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:30:44,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:30:44,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:30:44,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:30:44,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:30:44,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:30:44,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:30:44,203 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:30:44,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:30:44,207 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:30:44,207 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:30:44,207 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:30:44,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:30:44,209 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:30:44,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:30:44,210 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:30:44,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:30:44,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:30:44,210 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:30:44,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:30:44,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:30:44,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:30:44,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:30:44,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:30:44,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:30:44,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:30:44,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:30:44,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:30:44,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:30:44,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:30:44,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:30:44,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:30:44,214 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:30:44,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:30:44,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:30:44,222 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:30:44,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:30:44,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:30:44,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:30:44,224 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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e74061603d1466b037b305bab04ccfaa41041189a61fef40533e07a2fdf1d25 [2022-11-03 03:30:44,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:30:44,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:30:44,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:30:44,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:30:44,505 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:30:44,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2022-11-03 03:30:44,593 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/data/b6ab73368/8f1589a15d4e454a9c7a94effecd83ea/FLAGed6de658f [2022-11-03 03:30:45,382 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:30:45,384 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2022-11-03 03:30:45,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/data/b6ab73368/8f1589a15d4e454a9c7a94effecd83ea/FLAGed6de658f [2022-11-03 03:30:45,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/data/b6ab73368/8f1589a15d4e454a9c7a94effecd83ea [2022-11-03 03:30:45,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:30:45,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:30:45,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:30:45,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:30:45,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:30:45,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:30:45" (1/1) ... [2022-11-03 03:30:45,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cafa3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:45, skipping insertion in model container [2022-11-03 03:30:45,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:30:45" (1/1) ... [2022-11-03 03:30:45,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:30:46,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:30:46,421 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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2022-11-03 03:30:46,430 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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2022-11-03 03:30:47,498 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,506 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,507 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,509 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,513 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,527 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,528 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,531 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,531 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:47,964 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:30:47,966 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:30:47,967 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:30:47,969 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:30:47,970 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:30:47,971 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:30:47,972 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:30:47,972 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:30:47,973 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:30:47,974 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:30:48,176 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:30:48,314 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,319 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:30:48,452 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:30:48,481 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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2022-11-03 03:30:48,482 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_aef5a1cd-14f0-418c-9675-9b13f0e6718a/sv-benchmarks/c/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2022-11-03 03:30:48,544 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,544 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,545 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,545 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,554 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,566 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,568 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,572 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,573 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,659 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:30:48,660 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:30:48,661 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:30:48,662 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:30:48,663 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:30:48,663 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:30:48,665 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:30:48,669 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:30:48,670 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:30:48,671 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:30:48,707 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:30:48,793 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,794 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:30:48,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:30:49,062 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:30:49,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49 WrapperNode [2022-11-03 03:30:49,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:30:49,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:30:49,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:30:49,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:30:49,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,283 INFO L138 Inliner]: procedures = 690, calls = 2614, calls flagged for inlining = 59, calls inlined = 5, statements flattened = 794 [2022-11-03 03:30:49,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:30:49,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:30:49,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:30:49,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:30:49,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:30:49,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:30:49,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:30:49,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:30:49,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (1/1) ... [2022-11-03 03:30:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:30:49,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:49,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:30:49,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:30:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-03 03:30:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-03 03:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:30:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:30:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:30:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:30:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:30:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:30:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:30:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:30:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:30:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:30:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:30:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:30:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:30:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:30:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:30:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:30:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:30:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:30:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:30:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:30:49,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:30:49,831 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:30:51,018 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:30:51,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:30:51,242 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:30:51,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:51 BoogieIcfgContainer [2022-11-03 03:30:51,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:30:51,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:30:51,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:30:51,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:30:51,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:30:45" (1/3) ... [2022-11-03 03:30:51,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4a718c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:51, skipping insertion in model container [2022-11-03 03:30:51,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:49" (2/3) ... [2022-11-03 03:30:51,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4a718c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:51, skipping insertion in model container [2022-11-03 03:30:51,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:51" (3/3) ... [2022-11-03 03:30:51,253 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_empty_array_harness.i [2022-11-03 03:30:51,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:30:51,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:30:51,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:30:51,332 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;@6dfb487f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:30:51,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:30:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 03:30:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-03 03:30:51,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:30:51,345 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:51,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:30:51,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:30:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1115662946, now seen corresponding path program 1 times [2022-11-03 03:30:51,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:30:51,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146089607] [2022-11-03 03:30:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:30:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:30:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:31:02,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:02,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146089607] [2022-11-03 03:31:02,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146089607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:02,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:02,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:31:02,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53323340] [2022-11-03 03:31:02,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:02,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:31:02,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:02,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:31:02,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:31:02,446 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 8 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-03 03:31:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:02,879 INFO L93 Difference]: Finished difference Result 83 states and 108 transitions. [2022-11-03 03:31:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:31:02,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2022-11-03 03:31:02,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:02,891 INFO L225 Difference]: With dead ends: 83 [2022-11-03 03:31:02,891 INFO L226 Difference]: Without dead ends: 45 [2022-11-03 03:31:02,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:31:02,898 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:02,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 245 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:02,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-03 03:31:02,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-03 03:31:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 25 states have internal predecessors, (25), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2022-11-03 03:31:02,943 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 20 [2022-11-03 03:31:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:02,944 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-11-03 03:31:02,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-03 03:31:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-03 03:31:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-03 03:31:02,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:02,946 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 03:31:02,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:31:02,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:02,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:02,947 INFO L85 PathProgramCache]: Analyzing trace with hash 786934760, now seen corresponding path program 1 times [2022-11-03 03:31:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:02,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092025991] [2022-11-03 03:31:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:02,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 03:31:12,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:12,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092025991] [2022-11-03 03:31:12,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092025991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:12,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:12,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 03:31:12,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604442786] [2022-11-03 03:31:12,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:12,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 03:31:12,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:12,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 03:31:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:31:12,510 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 03:31:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:13,140 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2022-11-03 03:31:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 03:31:13,141 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 29 [2022-11-03 03:31:13,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:13,142 INFO L225 Difference]: With dead ends: 51 [2022-11-03 03:31:13,143 INFO L226 Difference]: Without dead ends: 49 [2022-11-03 03:31:13,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:31:13,144 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 14 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:13,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 188 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:31:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-03 03:31:13,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-03 03:31:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2022-11-03 03:31:13,209 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 29 [2022-11-03 03:31:13,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:13,211 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2022-11-03 03:31:13,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 2.142857142857143) internal successors, (15), 8 states have internal predecessors, (15), 6 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 03:31:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2022-11-03 03:31:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 03:31:13,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:13,215 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 03:31:13,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:31:13,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:13,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2134103610, now seen corresponding path program 1 times [2022-11-03 03:31:13,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:13,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865880055] [2022-11-03 03:31:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 03:31:14,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:14,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865880055] [2022-11-03 03:31:14,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865880055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:14,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:14,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:31:14,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896455597] [2022-11-03 03:31:14,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:14,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:14,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:14,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:14,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:31:14,922 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 03:31:15,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:15,284 INFO L93 Difference]: Finished difference Result 55 states and 60 transitions. [2022-11-03 03:31:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:31:15,286 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 35 [2022-11-03 03:31:15,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:15,287 INFO L225 Difference]: With dead ends: 55 [2022-11-03 03:31:15,287 INFO L226 Difference]: Without dead ends: 53 [2022-11-03 03:31:15,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:31:15,289 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 12 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:15,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 151 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-03 03:31:15,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-03 03:31:15,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 31 states have internal predecessors, (31), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2022-11-03 03:31:15,318 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 35 [2022-11-03 03:31:15,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:15,319 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2022-11-03 03:31:15,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 4 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 03:31:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2022-11-03 03:31:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 03:31:15,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:15,322 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2022-11-03 03:31:15,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:31:15,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:15,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:15,324 INFO L85 PathProgramCache]: Analyzing trace with hash 561923082, now seen corresponding path program 1 times [2022-11-03 03:31:15,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:15,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91352682] [2022-11-03 03:31:15,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:15,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 03:31:16,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:16,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91352682] [2022-11-03 03:31:16,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91352682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:16,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:16,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:31:16,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442321627] [2022-11-03 03:31:16,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:16,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:31:16,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:16,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:31:16,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:31:16,976 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 03:31:17,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:17,346 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-11-03 03:31:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:31:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 41 [2022-11-03 03:31:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:17,352 INFO L225 Difference]: With dead ends: 59 [2022-11-03 03:31:17,352 INFO L226 Difference]: Without dead ends: 57 [2022-11-03 03:31:17,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:31:17,353 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 19 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:17,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 148 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:31:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-03 03:31:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-03 03:31:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 34 states have internal predecessors, (34), 14 states have call successors, (14), 9 states have call predecessors, (14), 9 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2022-11-03 03:31:17,379 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 41 [2022-11-03 03:31:17,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:17,380 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2022-11-03 03:31:17,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 5 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 03:31:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-11-03 03:31:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 03:31:17,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:17,386 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2022-11-03 03:31:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:31:17,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1780080344, now seen corresponding path program 1 times [2022-11-03 03:31:17,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:17,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338859717] [2022-11-03 03:31:17,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:17,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-03 03:31:18,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:18,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338859717] [2022-11-03 03:31:18,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338859717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:18,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:18,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:31:18,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915767381] [2022-11-03 03:31:18,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:18,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:31:18,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:18,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:31:18,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:31:18,789 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 03:31:19,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:19,085 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2022-11-03 03:31:19,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:31:19,086 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 47 [2022-11-03 03:31:19,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:19,087 INFO L225 Difference]: With dead ends: 63 [2022-11-03 03:31:19,088 INFO L226 Difference]: Without dead ends: 61 [2022-11-03 03:31:19,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:31:19,089 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 10 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:19,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 156 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:31:19,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-03 03:31:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-03 03:31:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2022-11-03 03:31:19,124 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 47 [2022-11-03 03:31:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:19,124 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2022-11-03 03:31:19,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 4 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 03:31:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2022-11-03 03:31:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 03:31:19,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:19,127 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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] [2022-11-03 03:31:19,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:31:19,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash 851326817, now seen corresponding path program 1 times [2022-11-03 03:31:19,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:19,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113016011] [2022-11-03 03:31:19,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:19,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-03 03:31:22,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:22,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113016011] [2022-11-03 03:31:22,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113016011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:22,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:22,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 03:31:22,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513442413] [2022-11-03 03:31:22,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:22,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 03:31:22,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:22,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 03:31:22,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:31:22,219 INFO L87 Difference]: Start difference. First operand 61 states and 64 transitions. Second operand has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-03 03:31:22,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:22,887 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2022-11-03 03:31:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:31:22,888 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 54 [2022-11-03 03:31:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:22,889 INFO L225 Difference]: With dead ends: 67 [2022-11-03 03:31:22,889 INFO L226 Difference]: Without dead ends: 63 [2022-11-03 03:31:22,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-03 03:31:22,891 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:22,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 221 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:31:22,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-03 03:31:22,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-03 03:31:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.0) internal successors, (38), 38 states have internal predecessors, (38), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:31:22,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2022-11-03 03:31:22,910 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 54 [2022-11-03 03:31:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:22,910 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2022-11-03 03:31:22,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-03 03:31:22,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2022-11-03 03:31:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 03:31:22,912 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:22,912 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:22,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:31:22,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:22,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:22,913 INFO L85 PathProgramCache]: Analyzing trace with hash 180082274, now seen corresponding path program 1 times [2022-11-03 03:31:22,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:22,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760732784] [2022-11-03 03:31:22,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-03 03:31:27,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:27,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760732784] [2022-11-03 03:31:27,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760732784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:27,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:27,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-03 03:31:27,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423700673] [2022-11-03 03:31:27,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:27,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-03 03:31:27,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:27,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-03 03:31:27,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-03 03:31:27,959 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-11-03 03:31:28,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:28,640 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2022-11-03 03:31:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 03:31:28,641 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 68 [2022-11-03 03:31:28,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:28,642 INFO L225 Difference]: With dead ends: 63 [2022-11-03 03:31:28,642 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:31:28,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-11-03 03:31:28,643 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:28,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 223 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:31:28,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:31:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:31:28,644 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 03:31:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:31:28,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2022-11-03 03:31:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:28,645 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:31:28,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 6 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2022-11-03 03:31:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:31:28,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:31:28,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:31:28,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:31:28,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:31:30,503 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2022-11-03 03:31:30,503 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-03 03:31:30,503 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-03 03:31:30,504 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2022-11-03 03:31:30,504 INFO L902 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2022-11-03 03:31:30,504 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2022-11-03 03:31:30,504 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-03 03:31:30,504 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-03 03:31:30,504 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-03 03:31:30,504 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-03 03:31:30,504 INFO L899 garLoopResultBuilder]: For program point L8219-1(line 8219) no Hoare annotation was computed. [2022-11-03 03:31:30,505 INFO L895 garLoopResultBuilder]: At program point L8219(line 8219) the Hoare annotation is: (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0)) [2022-11-03 03:31:30,505 INFO L899 garLoopResultBuilder]: For program point L7100-1(lines 7099 7112) no Hoare annotation was computed. [2022-11-03 03:31:30,505 INFO L895 garLoopResultBuilder]: At program point L7100(line 7100) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse9 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse6 (= (select .cse7 .cse9) 0)) (.cse8 (select .cse3 .cse9)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse1 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse0 (= .cse8 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse5 (and .cse6 (= .cse8 0))) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (or .cse0 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.base| 0))) (= (select .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse3 .cse4) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse2 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse5) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse6 .cse0) .cse5) (= 0 (select .cse7 .cse4)) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,506 INFO L902 garLoopResultBuilder]: At program point L8963(line 8963) the Hoare annotation is: true [2022-11-03 03:31:30,506 INFO L899 garLoopResultBuilder]: For program point L8963-1(line 8963) no Hoare annotation was computed. [2022-11-03 03:31:30,506 INFO L895 garLoopResultBuilder]: At program point L8967(line 8967) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse8 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse5 (= (select .cse7 .cse8) 0)) (.cse6 (select .cse2 .cse8)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse0 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse4 (and .cse5 (= .cse6 0))) (.cse3 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse2 .cse3) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse1 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1211#1| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) .cse4) (= 0 (select .cse7 .cse3)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,506 INFO L899 garLoopResultBuilder]: For program point L8967-1(line 8967) no Hoare annotation was computed. [2022-11-03 03:31:30,506 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 03:31:30,506 INFO L899 garLoopResultBuilder]: For program point L8972(lines 8972 8974) no Hoare annotation was computed. [2022-11-03 03:31:30,507 INFO L902 garLoopResultBuilder]: At program point L8972-2(lines 8972 8974) the Hoare annotation is: true [2022-11-03 03:31:30,507 INFO L895 garLoopResultBuilder]: At program point L7110(line 7110) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse9 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse6 (= (select .cse7 .cse9) 0)) (.cse8 (select .cse3 .cse9)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse1 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse0 (= .cse8 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse5 (and .cse6 (= .cse8 0))) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (or .cse0 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.base| 0))) (= (select .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse3 .cse4) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse2 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse5) (= |ULTIMATE.start_assert_bytes_match_#t~mem589#1| |ULTIMATE.start_assert_bytes_match_#t~mem588#1|) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse6 .cse0) .cse5) (= 0 (select .cse7 .cse4)) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,508 INFO L895 garLoopResultBuilder]: At program point L7106(line 7106) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse9 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse6 (= (select .cse7 .cse9) 0)) (.cse8 (select .cse3 .cse9)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse1 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse0 (= .cse8 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse5 (and .cse6 (= .cse8 0))) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (or .cse0 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.base| 0))) (= (select .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse3 .cse4) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse2 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse5) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse6 .cse0) .cse5) (= 0 (select .cse7 .cse4)) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,508 INFO L895 garLoopResultBuilder]: At program point L8968(line 8968) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse8 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse5 (= (select .cse7 .cse8) 0)) (.cse6 (select .cse2 .cse8)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse0 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse4 (and .cse5 (= .cse6 0))) (.cse3 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1212#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= (select .cse2 .cse3) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse1 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) .cse4) (= 0 (select .cse7 .cse3)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,508 INFO L899 garLoopResultBuilder]: For program point L8968-1(line 8968) no Hoare annotation was computed. [2022-11-03 03:31:30,508 INFO L899 garLoopResultBuilder]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2022-11-03 03:31:30,508 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:31:30,509 INFO L899 garLoopResultBuilder]: For program point L7106-1(line 7106) no Hoare annotation was computed. [2022-11-03 03:31:30,509 INFO L895 garLoopResultBuilder]: At program point L8230(line 8230) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse7 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 8))) (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse3 (select .cse0 .cse7))) (let ((.cse1 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 24)) (.cse4 (= .cse3 0)) (.cse6 (select .cse2 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 16))) (.cse5 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (and (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base| 0)) (= 0 (select .cse0 .cse1)) (= (select .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset|) 0) (or (= .cse3 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse5 .cse1) 0) (or (<= .cse6 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse6) 18446744073709551616)))) .cse4) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= (select .cse5 .cse7) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,512 INFO L895 garLoopResultBuilder]: At program point L8969(lines 8969 8971) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse8 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse5 (= (select .cse7 .cse8) 0)) (.cse6 (select .cse2 .cse8)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse0 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse4 (and .cse5 (= .cse6 0))) (.cse3 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse2 .cse3) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse1 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) .cse4) (= 0 (select .cse7 .cse3)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1213#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1213#1.base| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,512 INFO L899 garLoopResultBuilder]: For program point L7107-1(lines 7107 7109) no Hoare annotation was computed. [2022-11-03 03:31:30,512 INFO L899 garLoopResultBuilder]: For program point L8969-1(lines 8969 8971) no Hoare annotation was computed. [2022-11-03 03:31:30,513 INFO L895 garLoopResultBuilder]: At program point L7107(lines 7107 7109) the Hoare annotation is: (let ((.cse3 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse9 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse6 (= (select .cse7 .cse9) 0)) (.cse8 (select .cse3 .cse9)) (.cse1 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse2 (select .cse1 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse0 (= .cse8 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) (.cse5 (and .cse6 (= .cse8 0))) (.cse4 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (or .cse0 (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~mem1214#1.base| 0))) (= (select .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_assert_bytes_match_~b#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse3 .cse4) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse2 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse2) 18446744073709551616)))) .cse5) (= |ULTIMATE.start_assert_bytes_match_~b#1.base| |ULTIMATE.start_assert_bytes_match_~a#1.base|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse6 .cse0) .cse5) (= 0 (select .cse7 .cse4)) (not (= |ULTIMATE.start_assert_bytes_match_~a#1.base| 0)) (= |ULTIMATE.start_assert_bytes_match_~a#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,513 INFO L895 garLoopResultBuilder]: At program point L8230-2(line 8230) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse7 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 8))) (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse3 (select .cse0 .cse7))) (let ((.cse1 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 24)) (.cse4 (= .cse3 0)) (.cse6 (select .cse2 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 16))) (.cse5 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (and (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base| 0)) (= 0 (select .cse0 .cse1)) (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_#t~ret1059#1| 1) (= (select .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset|) 0) (or (= .cse3 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse5 .cse1) 0) (or (<= .cse6 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse6) 18446744073709551616)))) .cse4) (<= 1 |ULTIMATE.start_aws_byte_buf_from_empty_array_#t~ret1059#1|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= (select .cse5 .cse7) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,514 INFO L895 garLoopResultBuilder]: At program point L8230-1(line 8230) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse7 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 8))) (let ((.cse2 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|)) (.cse3 (select .cse0 .cse7))) (let ((.cse1 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 24)) (.cse4 (= .cse3 0)) (.cse6 (select .cse2 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 16))) (.cse5 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base|))) (and (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.base| 0)) (= 0 (select .cse0 .cse1)) (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_#t~ret1059#1| 1) (= (select .cse2 |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset|) 0) (or (= .cse3 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse5 .cse1) 0) (or (<= .cse6 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse6) 18446744073709551616)))) .cse4) (<= 1 |ULTIMATE.start_aws_byte_buf_from_empty_array_#t~ret1059#1|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (= (select .cse5 .cse7) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,514 INFO L899 garLoopResultBuilder]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2022-11-03 03:31:30,515 INFO L895 garLoopResultBuilder]: At program point L8966-1(line 8966) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse8 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse5 (= (select .cse7 .cse8) 0)) (.cse6 (select .cse2 .cse8)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse0 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse4 (and .cse5 (= .cse6 0))) (.cse3 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse2 .cse3) 0) (<= 1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~ret1210#1|) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse1 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) .cse4) (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_#t~ret1210#1| 1) (= 0 (select .cse7 .cse3)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,515 INFO L899 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2022-11-03 03:31:30,515 INFO L895 garLoopResultBuilder]: At program point L8966(line 8966) the Hoare annotation is: (let ((.cse2 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse7 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|)) (.cse8 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 8))) (let ((.cse5 (= (select .cse7 .cse8) 0)) (.cse6 (select .cse2 .cse8)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base|))) (let ((.cse1 (select .cse0 (+ 16 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|))) (.cse4 (and .cse5 (= .cse6 0))) (.cse3 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 24))) (and (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset|) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.offset| 0) (= .cse1 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|) (= (select .cse2 .cse3) 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity#1| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1#1|) (or (<= .cse1 (+ 18446744073709551615 (* 18446744073709551616 (div (+ (- 1) .cse1) 18446744073709551616)))) .cse4) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes#1.offset| 0) (or (and .cse5 (= .cse6 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0#1.base|)) .cse4) (= 0 (select .cse7 .cse3)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3#1.offset| 0))))) [2022-11-03 03:31:30,516 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-03 03:31:30,516 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-03 03:31:30,516 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-03 03:31:30,516 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:31:30,516 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-03 03:31:30,517 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-03 03:31:30,520 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:30,523 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:31:30,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:30,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,539 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:30,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:30,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:30,564 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:30,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:31:30 BoogieIcfgContainer [2022-11-03 03:31:30,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:31:30,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:31:30,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:31:30,572 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:31:30,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:51" (3/4) ... [2022-11-03 03:31:30,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:31:30,583 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-03 03:31:30,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-03 03:31:30,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2022-11-03 03:31:30,584 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-03 03:31:30,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-03 03:31:30,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-11-03 03:31:30,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2022-11-03 03:31:30,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 03:31:30,614 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 03:31:30,615 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 03:31:30,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:31:30,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:31:30,619 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:31:31,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:31:31,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:31:31,316 INFO L158 Benchmark]: Toolchain (without parser) took 45400.97ms. Allocated memory was 109.1MB in the beginning and 906.0MB in the end (delta: 796.9MB). Free memory was 64.8MB in the beginning and 815.3MB in the end (delta: -750.5MB). Peak memory consumption was 581.8MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,316 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:31:31,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3146.18ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 64.6MB in the beginning and 68.8MB in the end (delta: -4.2MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.17ms. Allocated memory is still 132.1MB. Free memory was 68.8MB in the beginning and 57.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,317 INFO L158 Benchmark]: Boogie Preprocessor took 66.08ms. Allocated memory is still 132.1MB. Free memory was 57.4MB in the beginning and 50.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,318 INFO L158 Benchmark]: RCFGBuilder took 1893.51ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 50.5MB in the beginning and 81.5MB in the end (delta: -31.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,318 INFO L158 Benchmark]: TraceAbstraction took 39324.21ms. Allocated memory was 180.4MB in the beginning and 906.0MB in the end (delta: 725.6MB). Free memory was 80.5MB in the beginning and 393.8MB in the end (delta: -313.3MB). Peak memory consumption was 411.3MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,319 INFO L158 Benchmark]: Witness Printer took 744.09ms. Allocated memory is still 906.0MB. Free memory was 393.8MB in the beginning and 815.3MB in the end (delta: -421.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2022-11-03 03:31:31,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3146.18ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 64.6MB in the beginning and 68.8MB in the end (delta: -4.2MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.17ms. Allocated memory is still 132.1MB. Free memory was 68.8MB in the beginning and 57.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.08ms. Allocated memory is still 132.1MB. Free memory was 57.4MB in the beginning and 50.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1893.51ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 50.5MB in the beginning and 81.5MB in the end (delta: -31.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * TraceAbstraction took 39324.21ms. Allocated memory was 180.4MB in the beginning and 906.0MB in the end (delta: 725.6MB). Free memory was 80.5MB in the beginning and 393.8MB in the end (delta: -313.3MB). Peak memory consumption was 411.3MB. Max. memory is 16.1GB. * Witness Printer took 744.09ms. Allocated memory is still 906.0MB. Free memory was 393.8MB in the beginning and 815.3MB in the end (delta: -421.5MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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 6 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 39.2s, OverallIterations: 7, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 1332 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1288 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1278 IncrementalHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 249 mSDtfsCounter, 1278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=6, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 39 PreInvPairs, 50 NumberOfFragments, 1773 HoareAnnotationTreeSize, 39 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 589 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 27.1s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 2113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 212/212 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: 8230]: Loop Invariant [2022-11-03 03:31:31,328 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:31,329 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,330 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:31,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,331 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-03 03:31:31,340 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-03 03:31:31,341 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: (((((((((((((((!(buf == 0) && 0 == #memory_$Pointer$[buf][buf + 24]) && aux-aws_byte_buf_is_valid(&buf)-aux <= 1) && unknown-#memory_int-unknown[buf][buf] == 0) && (#memory_$Pointer$[buf][buf + 8] == array || #memory_$Pointer$[buf][buf + 8] == 0)) && array == 0) && bytes == array) && #memory_$Pointer$[buf][buf + 24] == 0) && (unknown-#memory_int-unknown[buf][buf + 16] <= 18446744073709551615 + 18446744073709551616 * ((-1 + unknown-#memory_int-unknown[buf][buf + 16]) / 18446744073709551616) || #memory_$Pointer$[buf][buf + 8] == 0)) && 1 <= aux-aws_byte_buf_is_valid(&buf)-aux) && !(buf == 0)) && capacity == capacity) && unknown-#memory_int-unknown[buf][buf + 16] == capacity) && bytes == 0) && #memory_$Pointer$[buf][buf + 8] == 0) && buf == 0) && buf == 0 - InvariantResult [Line: 8972]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 03:31:31,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aef5a1cd-14f0-418c-9675-9b13f0e6718a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE