./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta --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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- 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-dbf71c6-m [2022-10-17 17:23:42,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:23:42,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:23:42,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:23:42,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:23:42,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:23:42,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:23:42,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:23:42,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:23:42,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:23:42,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:23:42,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:23:42,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:23:42,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:23:42,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:23:42,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:23:42,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:23:42,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:23:42,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:23:42,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:23:42,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:23:42,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:23:42,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:23:42,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:23:42,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:23:42,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:23:42,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:23:42,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:23:42,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:23:42,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:23:42,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:23:42,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:23:42,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:23:42,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:23:42,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:23:42,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:23:42,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:23:42,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:23:42,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:23:42,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:23:42,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:23:42,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:23:42,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:23:42,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:23:42,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:23:42,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:23:42,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:23:42,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:23:42,258 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:23:42,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:23:42,259 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:23:42,259 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:23:42,260 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:23:42,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:23:42,260 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:23:42,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:23:42,261 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:23:42,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:23:42,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:23:42,261 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:23:42,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:23:42,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:23:42,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:23:42,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:23:42,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:23:42,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:23:42,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:23:42,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:23:42,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:23:42,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:23:42,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:23:42,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:42,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:23:42,265 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:23:42,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:23:42,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:23:42,265 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:23:42,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:23:42,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:23:42,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:23:42,266 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_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2022-10-17 17:23:42,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:23:42,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:23:42,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:23:42,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:23:42,567 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:23:42,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-10-17 17:23:42,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/data/a96f7cbaa/7709af10f52f4d0d998606d3d584505f/FLAGfa9b59981 [2022-10-17 17:23:43,571 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:23:43,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-10-17 17:23:43,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/data/a96f7cbaa/7709af10f52f4d0d998606d3d584505f/FLAGfa9b59981 [2022-10-17 17:23:44,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/data/a96f7cbaa/7709af10f52f4d0d998606d3d584505f [2022-10-17 17:23:44,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:23:44,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:23:44,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:44,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:23:44,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:23:44,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:44" (1/1) ... [2022-10-17 17:23:44,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3a75db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:44, skipping insertion in model container [2022-10-17 17:23:44,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:23:44" (1/1) ... [2022-10-17 17:23:44,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:23:44,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:23:44,542 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_e298af65-221b-4b60-a76e-204e737af719/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-10-17 17:23:44,551 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_e298af65-221b-4b60-a76e-204e737af719/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-10-17 17:23:45,640 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,641 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,642 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,643 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,645 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,661 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,661 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,664 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:45,665 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 17:23:46,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 17:23:46,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 17:23:46,150 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 17:23:46,152 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 17:23:46,153 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 17:23:46,154 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 17:23:46,154 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 17:23:46,155 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 17:23:46,156 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 17:23:46,431 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 17:23:46,569 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,569 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:46,770 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:23:46,807 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_e298af65-221b-4b60-a76e-204e737af719/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2022-10-17 17:23:46,808 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_e298af65-221b-4b60-a76e-204e737af719/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2022-10-17 17:23:46,911 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,912 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,913 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,914 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,915 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,935 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,936 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,938 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:46,938 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:47,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 17:23:47,014 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 17:23:47,015 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 17:23:47,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 17:23:47,020 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 17:23:47,021 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 17:23:47,022 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 17:23:47,023 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 17:23:47,024 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 17:23:47,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 17:23:47,063 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 17:23:47,167 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:47,168 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:23:47,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:23:47,478 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:23:47,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47 WrapperNode [2022-10-17 17:23:47,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:23:47,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:47,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:23:47,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:23:47,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,730 INFO L138 Inliner]: procedures = 691, calls = 2668, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2022-10-17 17:23:47,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:23:47,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:23:47,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:23:47,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:23:47,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,867 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:23:47,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:23:47,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:23:47,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:23:47,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (1/1) ... [2022-10-17 17:23:47,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:23:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:23:47,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:23:47,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e298af65-221b-4b60-a76e-204e737af719/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:23:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-10-17 17:23:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-10-17 17:23:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:23:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-10-17 17:23:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-10-17 17:23:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:23:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:23:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:23:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:23:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:23:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-10-17 17:23:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-10-17 17:23:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:23:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-10-17 17:23:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-10-17 17:23:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-10-17 17:23:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-10-17 17:23:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:23:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:23:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-17 17:23:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-17 17:23:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-10-17 17:23:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-10-17 17:23:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-10-17 17:23:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-10-17 17:23:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:23:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:23:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-10-17 17:23:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-10-17 17:23:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:23:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:23:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-10-17 17:23:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-10-17 17:23:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:23:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-10-17 17:23:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-10-17 17:23:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-10-17 17:23:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-10-17 17:23:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-10-17 17:23:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-10-17 17:23:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:23:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-10-17 17:23:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-10-17 17:23:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:23:48,444 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:23:48,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:23:50,355 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:23:50,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:23:50,584 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:23:50,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:50 BoogieIcfgContainer [2022-10-17 17:23:50,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:23:50,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:23:50,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:23:50,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:23:50,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:23:44" (1/3) ... [2022-10-17 17:23:50,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5add40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:50, skipping insertion in model container [2022-10-17 17:23:50,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:23:47" (2/3) ... [2022-10-17 17:23:50,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5add40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:23:50, skipping insertion in model container [2022-10-17 17:23:50,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:23:50" (3/3) ... [2022-10-17 17:23:50,597 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2022-10-17 17:23:50,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:23:50,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:23:50,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:23:50,678 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;@629b62d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:23:50,678 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:23:50,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-10-17 17:23:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-17 17:23:50,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:23:50,699 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:23:50,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:23:50,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:23:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2022-10-17 17:23:50,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:23:50,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396884395] [2022-10-17 17:23:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:23:50,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:23:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat