./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 --- 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-2329fc7 [2022-12-13 21:43:36,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:43:36,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:43:36,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:43:36,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:43:36,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:43:36,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:43:36,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:43:36,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:43:36,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:43:36,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:43:36,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:43:36,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:43:36,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:43:36,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:43:36,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:43:36,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:43:36,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:43:36,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:43:36,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:43:36,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:43:36,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:43:36,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:43:36,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:43:36,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:43:36,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:43:36,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:43:36,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:43:36,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:43:36,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:43:36,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:43:36,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:43:36,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:43:36,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:43:36,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:43:36,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:43:36,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:43:36,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:43:36,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:43:36,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:43:36,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:43:36,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 21:43:36,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:43:36,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:43:36,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:43:36,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:43:36,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:43:36,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:43:36,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:43:36,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:43:36,233 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:43:36,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:43:36,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:43:36,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:43:36,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:43:36,235 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:43:36,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:43:36,236 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:43:36,236 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 [2022-12-13 21:43:36,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:43:36,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:43:36,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:43:36,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:43:36,428 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:43:36,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-13 21:43:39,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:43:39,306 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:43:39,306 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-13 21:43:39,322 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/abf9660a1/d0841793b1204a9db7621e22ccb29983/FLAGef036946a [2022-12-13 21:43:39,334 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/abf9660a1/d0841793b1204a9db7621e22ccb29983 [2022-12-13 21:43:39,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:43:39,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:43:39,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:43:39,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:43:39,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:43:39,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:39" (1/1) ... [2022-12-13 21:43:39,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679dabb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:39, skipping insertion in model container [2022-12-13 21:43:39,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:39" (1/1) ... [2022-12-13 21:43:39,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:43:39,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:43:39,603 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-13 21:43:39,608 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-13 21:43:40,086 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,087 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,088 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,089 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,090 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,105 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,105 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,109 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,156 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,156 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,157 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,160 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:43:40,162 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:43:40,162 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:43:40,250 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:43:40,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:43:40,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:43:40,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:43:40,254 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:43:40,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:43:40,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:43:40,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:43:40,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:43:40,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:43:40,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:43:40,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:43:40,325 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:43:40,335 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-13 21:43:40,336 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-13 21:43:40,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,370 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,370 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,371 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,371 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,378 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,379 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,380 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,380 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,381 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:40,388 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,388 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,389 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:40,392 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:43:40,393 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:43:40,393 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:43:40,397 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:43:40,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:43:40,399 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:43:40,399 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:43:40,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:43:40,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:43:40,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:43:40,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:43:40,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:43:40,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:43:40,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:43:40,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:43:40,554 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:43:40,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40 WrapperNode [2022-12-13 21:43:40,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:43:40,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:43:40,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:43:40,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:43:40,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,631 INFO L138 Inliner]: procedures = 592, calls = 624, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 122 [2022-12-13 21:43:40,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:43:40,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:43:40,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:43:40,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:43:40,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:43:40,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:43:40,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:43:40,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:43:40,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (1/1) ... [2022-12-13 21:43:40,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:43:40,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:43:40,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:43:40,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:43:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:43:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 21:43:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:43:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:43:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-13 21:43:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 21:43:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:43:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:43:40,886 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:43:40,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:43:41,190 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:43:41,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:43:41,196 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:43:41,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:41 BoogieIcfgContainer [2022-12-13 21:43:41,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:43:41,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:43:41,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:43:41,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:43:41,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:43:39" (1/3) ... [2022-12-13 21:43:41,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635e757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:41, skipping insertion in model container [2022-12-13 21:43:41,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:40" (2/3) ... [2022-12-13 21:43:41,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2635e757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:41, skipping insertion in model container [2022-12-13 21:43:41,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:41" (3/3) ... [2022-12-13 21:43:41,203 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness_negated.i [2022-12-13 21:43:41,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:43:41,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:43:41,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:43:41,256 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=PETRI_NET, 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;@6b3aac5a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:43:41,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:43:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 21:43:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:41,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:41,266 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:41,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1569633619, now seen corresponding path program 1 times [2022-12-13 21:43:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:43:41,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919465352] [2022-12-13 21:43:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:43:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:43:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:43:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:43:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:41,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:43:41,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919465352] [2022-12-13 21:43:41,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919465352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:41,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:41,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:43:41,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334458800] [2022-12-13 21:43:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:41,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:43:41,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:43:41,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:43:41,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:43:41,676 INFO L87 Difference]: Start difference. First operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 21:43:41,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:41,704 INFO L93 Difference]: Finished difference Result 137 states and 191 transitions. [2022-12-13 21:43:41,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:43:41,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-12-13 21:43:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:41,714 INFO L225 Difference]: With dead ends: 137 [2022-12-13 21:43:41,714 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 21:43:41,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:43:41,721 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:41,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:43:41,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 21:43:41,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-12-13 21:43:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 48 states have internal predecessors, (60), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 21:43:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2022-12-13 21:43:41,754 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 45 [2022-12-13 21:43:41,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:41,755 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2022-12-13 21:43:41,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 21:43:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2022-12-13 21:43:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:41,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:41,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:41,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:43:41,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:41,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:41,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1695278887, now seen corresponding path program 1 times [2022-12-13 21:43:41,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:43:41,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068920163] [2022-12-13 21:43:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:43:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:43:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:43:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:43:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:41,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:43:41,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068920163] [2022-12-13 21:43:41,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068920163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:41,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:41,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:43:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972430797] [2022-12-13 21:43:41,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:41,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:43:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:43:41,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:43:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:43:41,980 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 21:43:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:42,046 INFO L93 Difference]: Finished difference Result 122 states and 157 transitions. [2022-12-13 21:43:42,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:43:42,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2022-12-13 21:43:42,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:42,048 INFO L225 Difference]: With dead ends: 122 [2022-12-13 21:43:42,048 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 21:43:42,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:43:42,049 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 5 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:42,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 125 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:43:42,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 21:43:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-12-13 21:43:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 60 states have internal predecessors, (72), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 21:43:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 92 transitions. [2022-12-13 21:43:42,055 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 92 transitions. Word has length 45 [2022-12-13 21:43:42,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:42,056 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 92 transitions. [2022-12-13 21:43:42,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 21:43:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2022-12-13 21:43:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:42,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:42,057 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:42,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:43:42,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:42,057 INFO L85 PathProgramCache]: Analyzing trace with hash -910744667, now seen corresponding path program 1 times [2022-12-13 21:43:42,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:43:42,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307224316] [2022-12-13 21:43:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:43:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:42,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:43:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:43:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:43:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:42,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:43:42,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307224316] [2022-12-13 21:43:42,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307224316] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:42,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:42,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:43:42,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834690595] [2022-12-13 21:43:42,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:42,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:43:42,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:43:42,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:43:42,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:43:42,543 INFO L87 Difference]: Start difference. First operand 74 states and 92 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:42,742 INFO L93 Difference]: Finished difference Result 157 states and 196 transitions. [2022-12-13 21:43:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:43:42,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-13 21:43:42,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:42,744 INFO L225 Difference]: With dead ends: 157 [2022-12-13 21:43:42,744 INFO L226 Difference]: Without dead ends: 108 [2022-12-13 21:43:42,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:43:42,745 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 114 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:42,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 325 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:43:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-12-13 21:43:42,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 91. [2022-12-13 21:43:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 21:43:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 110 transitions. [2022-12-13 21:43:42,755 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 110 transitions. Word has length 45 [2022-12-13 21:43:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:42,756 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 110 transitions. [2022-12-13 21:43:42,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2022-12-13 21:43:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:42,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:42,757 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:42,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:43:42,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1853556659, now seen corresponding path program 1 times [2022-12-13 21:43:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:43:42,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513932795] [2022-12-13 21:43:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:43:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:43:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:43,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 21:43:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 21:43:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:43,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:43:43,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513932795] [2022-12-13 21:43:43,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513932795] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:43,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:43,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:43:43,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935730113] [2022-12-13 21:43:43,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:43,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:43:43,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:43:43,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:43:43,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:43:43,196 INFO L87 Difference]: Start difference. First operand 91 states and 110 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:43,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:43,397 INFO L93 Difference]: Finished difference Result 142 states and 173 transitions. [2022-12-13 21:43:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:43:43,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-13 21:43:43,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:43,399 INFO L225 Difference]: With dead ends: 142 [2022-12-13 21:43:43,399 INFO L226 Difference]: Without dead ends: 107 [2022-12-13 21:43:43,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:43:43,400 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 112 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:43,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 337 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:43:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-13 21:43:43,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 95. [2022-12-13 21:43:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 21:43:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 114 transitions. [2022-12-13 21:43:43,410 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 114 transitions. Word has length 45 [2022-12-13 21:43:43,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:43,411 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 114 transitions. [2022-12-13 21:43:43,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:43,411 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2022-12-13 21:43:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:43,412 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:43,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:43,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:43:43,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:43,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1761352267, now seen corresponding path program 1 times [2022-12-13 21:43:43,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:43:43,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597371532] [2022-12-13 21:43:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:43:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:43:43,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:43:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:43:43,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:43:43,497 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:43:43,498 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:43:43,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:43:43,503 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 21:43:43,506 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:43:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:43:43 BoogieIcfgContainer [2022-12-13 21:43:43,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:43:43,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:43:43,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:43:43,547 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:43:43,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:41" (3/4) ... [2022-12-13 21:43:43,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 21:43:43,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:43:43,551 INFO L158 Benchmark]: Toolchain (without parser) took 4213.55ms. Allocated memory was 161.5MB in the beginning and 247.5MB in the end (delta: 86.0MB). Free memory was 116.9MB in the beginning and 196.0MB in the end (delta: -79.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,552 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:43:43,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1216.40ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 116.9MB in the beginning and 130.8MB in the end (delta: -13.9MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.29ms. Allocated memory is still 205.5MB. Free memory was 130.8MB in the beginning and 126.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,553 INFO L158 Benchmark]: Boogie Preprocessor took 35.19ms. Allocated memory is still 205.5MB. Free memory was 126.6MB in the beginning and 123.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,553 INFO L158 Benchmark]: RCFGBuilder took 529.88ms. Allocated memory is still 205.5MB. Free memory was 123.5MB in the beginning and 94.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,554 INFO L158 Benchmark]: TraceAbstraction took 2347.84ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 196.0MB in the end (delta: -101.9MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:43,554 INFO L158 Benchmark]: Witness Printer took 3.62ms. Allocated memory is still 247.5MB. Free memory is still 196.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:43:43,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 161.5MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1216.40ms. Allocated memory was 161.5MB in the beginning and 205.5MB in the end (delta: 44.0MB). Free memory was 116.9MB in the beginning and 130.8MB in the end (delta: -13.9MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.29ms. Allocated memory is still 205.5MB. Free memory was 130.8MB in the beginning and 126.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.19ms. Allocated memory is still 205.5MB. Free memory was 126.6MB in the beginning and 123.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 529.88ms. Allocated memory is still 205.5MB. Free memory was 123.5MB in the beginning and 94.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2347.84ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 196.0MB in the end (delta: -101.9MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Witness Printer took 3.62ms. Allocated memory is still 247.5MB. Free memory is still 196.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5884. Possible FailurePath: [L5947] CALL memset_using_uint64_harness() [L5937] short d1[160]; [L5938] short d2[160]; [L5939] int c = __VERIFIER_nondet_int(); [L5940] unsigned size = __VERIFIER_nondet_uint(); [L5941] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5941] RET assume_abort_if_not(size < 160) VAL [c=0, d1={11:0}, d2={10:0}, size=0] [L5942] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={11:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={11:0}] [L5876] return s; VAL [c=0, n=0, s={11:0}] [L5942] RET memset_impl(d1, c, size) [L5943] CALL memset_using_uint64_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={10:0}, n=0] [L5883] size_t num_uint64s = n >> 3; [L5884] size_t rem = n & 0x7; [L5886] uint8_t *d = (uint8_t *)dst; [L5890] case 7: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5892] case 6: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5894] case 5: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5896] case 4: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5898] case 3: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5900] case 2: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5902] case 1: VAL [c=0, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5906] d += rem [L5908] uint64_t compounded = 0; VAL [c=0, compounded={9:0}, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5909] COND FALSE !(num_uint64s > 0 && c != 0) VAL [c=0, compounded={9:0}, d={10:0}, dst={10:0}, n=0, num_uint64s=0, rem=0] [L5921] size_t i = 0; VAL [c=0, compounded={9:0}, d={10:0}, dst={10:0}, i=0, n=0, num_uint64s=0, rem=0] [L5921] COND FALSE !(i < num_uint64s) VAL [c=0, compounded={9:0}, d={10:0}, dst={10:0}, i=0, n=0, num_uint64s=0, rem=0] [L5925] return dst; [L5908] uint64_t compounded = 0; [L5925] return dst; VAL [c=0, d={10:0}, dst={10:0}, i=0, n=0, num_uint64s=0, rem=0] [L5943] RET memset_using_uint64_impl(d2, c, size) [L5944] CALL assert_bytes_match(d1, d2, size) [L5654] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 876 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 526 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 350 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 21:43:43,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 --- 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-2329fc7 [2022-12-13 21:43:45,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:43:45,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:43:45,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:43:45,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:43:45,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:43:45,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:43:45,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:43:45,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:43:45,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:43:45,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:43:45,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:43:45,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:43:45,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:43:45,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:43:45,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:43:45,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:43:45,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:43:45,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:43:45,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:43:45,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:43:45,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:43:45,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:43:45,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:43:45,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:43:45,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:43:45,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:43:45,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:43:45,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:43:45,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:43:45,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:43:45,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:43:45,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:43:45,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:43:45,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:43:45,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:43:45,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:43:45,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:43:45,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:43:45,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:43:45,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:43:45,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 21:43:45,210 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:43:45,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:43:45,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:43:45,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:43:45,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:43:45,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:43:45,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:43:45,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:43:45,212 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:43:45,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:43:45,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:43:45,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:43:45,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:43:45,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:43:45,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:43:45,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 21:43:45,213 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 21:43:45,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:43:45,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:43:45,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:43:45,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:43:45,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:43:45,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:43:45,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:43:45,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:43:45,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:43:45,216 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:43:45,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:43:45,216 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 21:43:45,216 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:43:45,216 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a20bc312c925268b19f88154c59a69ecc827a32d81e9712c33fdd20a05f4afe9 [2022-12-13 21:43:45,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:43:45,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:43:45,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:43:45,471 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:43:45,471 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:43:45,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-13 21:43:47,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:43:48,237 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:43:48,238 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i [2022-12-13 21:43:48,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/f9fa644d1/ba820c8ab9db4a0a8cf2db83170c4088/FLAG657d61b09 [2022-12-13 21:43:48,264 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/data/f9fa644d1/ba820c8ab9db4a0a8cf2db83170c4088 [2022-12-13 21:43:48,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:43:48,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:43:48,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:43:48,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:43:48,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:43:48,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:48" (1/1) ... [2022-12-13 21:43:48,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8d33b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:48, skipping insertion in model container [2022-12-13 21:43:48,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:43:48" (1/1) ... [2022-12-13 21:43:48,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:43:48,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:43:48,486 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-13 21:43:48,492 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-13 21:43:48,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:48,966 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:48,979 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:48,980 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:48,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,001 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,002 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,004 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,006 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,007 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,008 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,056 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,056 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,057 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,063 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:43:49,065 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:43:49,066 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:43:49,143 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:43:49,144 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:43:49,145 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:43:49,146 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:43:49,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:43:49,147 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:43:49,148 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:43:49,148 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:43:49,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:43:49,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:43:49,149 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:43:49,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:43:49,212 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 21:43:49,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:43:49,228 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-13 21:43:49,229 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-13 21:43:49,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,258 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,268 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,270 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,276 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,276 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,276 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,279 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:43:49,280 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:43:49,280 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:43:49,290 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:43:49,291 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:43:49,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:43:49,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:43:49,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:43:49,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:43:49,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:43:49,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:43:49,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:43:49,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:43:49,296 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:43:49,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:43:49,316 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:43:49,326 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4493,4506] [2022-12-13 21:43:49,327 WARN L237 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_280238a8-c93e-4aae-abb9-7682450fe7a8/sv-benchmarks/c/aws-c-common/memset_using_uint64_harness_negated.i[4553,4566] [2022-12-13 21:43:49,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,360 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,360 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,366 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,366 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,367 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,368 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,368 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 21:43:49,375 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,375 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,376 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 21:43:49,378 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 21:43:49,379 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 21:43:49,380 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 21:43:49,383 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 21:43:49,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 21:43:49,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 21:43:49,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 21:43:49,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 21:43:49,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 21:43:49,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 21:43:49,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 21:43:49,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 21:43:49,388 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 21:43:49,388 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 21:43:49,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:43:49,522 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:43:49,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49 WrapperNode [2022-12-13 21:43:49,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:43:49,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:43:49,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:43:49,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:43:49,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,587 INFO L138 Inliner]: procedures = 611, calls = 624, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 122 [2022-12-13 21:43:49,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:43:49,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:43:49,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:43:49,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:43:49,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:43:49,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:43:49,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:43:49,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:43:49,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (1/1) ... [2022-12-13 21:43:49,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:43:49,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:43:49,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:43:49,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 21:43:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:43:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:43:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 21:43:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-13 21:43:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-13 21:43:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 21:43:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 21:43:49,847 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:43:49,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:43:52,302 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:43:52,307 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:43:52,307 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:43:52,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:52 BoogieIcfgContainer [2022-12-13 21:43:52,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:43:52,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:43:52,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:43:52,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:43:52,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:43:48" (1/3) ... [2022-12-13 21:43:52,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4d4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:52, skipping insertion in model container [2022-12-13 21:43:52,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:43:49" (2/3) ... [2022-12-13 21:43:52,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee4d4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:43:52, skipping insertion in model container [2022-12-13 21:43:52,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:52" (3/3) ... [2022-12-13 21:43:52,315 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_using_uint64_harness_negated.i [2022-12-13 21:43:52,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:43:52,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:43:52,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:43:52,367 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=PETRI_NET, 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;@7bbed494, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:43:52,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:43:52,371 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 21:43:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:52,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:52,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:52,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:52,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:52,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1430345650, now seen corresponding path program 1 times [2022-12-13 21:43:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:43:52,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947700936] [2022-12-13 21:43:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:52,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:52,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:43:52,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:43:52,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 21:43:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:52,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 21:43:52,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:43:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 21:43:52,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:43:52,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:43:52,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947700936] [2022-12-13 21:43:52,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947700936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:52,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:52,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:43:52,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695024658] [2022-12-13 21:43:52,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:52,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:43:52,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:43:52,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:43:52,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:43:52,666 INFO L87 Difference]: Start difference. First operand has 70 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 54 states have internal predecessors, (71), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 21:43:52,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:52,685 INFO L93 Difference]: Finished difference Result 137 states and 191 transitions. [2022-12-13 21:43:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:43:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-12-13 21:43:52,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:52,692 INFO L225 Difference]: With dead ends: 137 [2022-12-13 21:43:52,692 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 21:43:52,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:43:52,697 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:52,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:43:52,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 21:43:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-12-13 21:43:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 48 states have internal predecessors, (60), 11 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 21:43:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2022-12-13 21:43:52,725 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 45 [2022-12-13 21:43:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:52,725 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2022-12-13 21:43:52,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 21:43:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2022-12-13 21:43:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:52,726 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:52,726 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:52,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:43:52,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:52,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:52,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:52,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1361752392, now seen corresponding path program 1 times [2022-12-13 21:43:52,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:43:52,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1916701852] [2022-12-13 21:43:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:52,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:52,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:43:52,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:43:52,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 21:43:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:53,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 21:43:53,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:43:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:53,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:43:53,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:43:53,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1916701852] [2022-12-13 21:43:53,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1916701852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:53,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:53,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:43:53,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325839349] [2022-12-13 21:43:53,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:53,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:43:53,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:43:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:43:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:43:53,325 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:53,781 INFO L93 Difference]: Finished difference Result 158 states and 203 transitions. [2022-12-13 21:43:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:43:53,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-13 21:43:53,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:53,783 INFO L225 Difference]: With dead ends: 158 [2022-12-13 21:43:53,783 INFO L226 Difference]: Without dead ends: 109 [2022-12-13 21:43:53,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:43:53,784 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 154 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:53,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 301 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 21:43:53,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-13 21:43:53,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 67. [2022-12-13 21:43:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 52 states have internal predecessors, (64), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 21:43:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-12-13 21:43:53,799 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 45 [2022-12-13 21:43:53,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:53,799 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-13 21:43:53,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-12-13 21:43:53,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:53,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:53,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:53,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 21:43:54,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:54,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:54,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:54,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1127776570, now seen corresponding path program 1 times [2022-12-13 21:43:54,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:43:54,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1075091174] [2022-12-13 21:43:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:54,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:54,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:43:54,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:43:54,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 21:43:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:54,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 21:43:54,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:43:54,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:54,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:43:54,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:43:54,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1075091174] [2022-12-13 21:43:54,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1075091174] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:43:54,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:43:54,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:43:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830746177] [2022-12-13 21:43:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:54,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 21:43:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:43:54,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 21:43:54,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:43:54,493 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:55,009 INFO L93 Difference]: Finished difference Result 150 states and 193 transitions. [2022-12-13 21:43:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:43:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-13 21:43:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:55,011 INFO L225 Difference]: With dead ends: 150 [2022-12-13 21:43:55,011 INFO L226 Difference]: Without dead ends: 103 [2022-12-13 21:43:55,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-12-13 21:43:55,012 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 139 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:55,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 301 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 21:43:55,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-13 21:43:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 79. [2022-12-13 21:43:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 21:43:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2022-12-13 21:43:55,020 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 45 [2022-12-13 21:43:55,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:55,020 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2022-12-13 21:43:55,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-12-13 21:43:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:55,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:55,021 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:55,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 21:43:55,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:55,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:55,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:55,223 INFO L85 PathProgramCache]: Analyzing trace with hash 979847108, now seen corresponding path program 1 times [2022-12-13 21:43:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:43:55,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946690742] [2022-12-13 21:43:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:43:55,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:43:55,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 21:43:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:43:55,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 21:43:55,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:43:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 21:43:55,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:43:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 21:43:55,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 21:43:55,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [946690742] [2022-12-13 21:43:55,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [946690742] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 21:43:55,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:43:55,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-12-13 21:43:55,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945672219] [2022-12-13 21:43:55,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:43:55,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:43:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 21:43:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:43:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-12-13 21:43:55,936 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:58,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 21:43:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:43:58,387 INFO L93 Difference]: Finished difference Result 130 states and 161 transitions. [2022-12-13 21:43:58,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:43:58,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2022-12-13 21:43:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:43:58,389 INFO L225 Difference]: With dead ends: 130 [2022-12-13 21:43:58,389 INFO L226 Difference]: Without dead ends: 95 [2022-12-13 21:43:58,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-13 21:43:58,390 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 106 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-12-13 21:43:58,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 321 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-12-13 21:43:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-13 21:43:58,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2022-12-13 21:43:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 68 states have internal predecessors, (80), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 21:43:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2022-12-13 21:43:58,402 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 45 [2022-12-13 21:43:58,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:43:58,402 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2022-12-13 21:43:58,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 21:43:58,402 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2022-12-13 21:43:58,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-13 21:43:58,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:43:58,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:43:58,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 21:43:58,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:58,605 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:43:58,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:43:58,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1659905478, now seen corresponding path program 1 times [2022-12-13 21:43:58,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 21:43:58,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007505690] [2022-12-13 21:43:58,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:43:58,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 21:43:58,612 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 21:43:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 21:43:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:43:58,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:43:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:43:58,862 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 21:43:58,863 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:43:58,863 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:43:58,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 21:43:59,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 21:43:59,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 21:43:59,084 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:43:59,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:43:59 BoogieIcfgContainer [2022-12-13 21:43:59,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:43:59,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:43:59,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:43:59,146 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:43:59,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:43:52" (3/4) ... [2022-12-13 21:43:59,150 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:43:59,221 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:43:59,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:43:59,221 INFO L158 Benchmark]: Toolchain (without parser) took 10954.79ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 63.8MB in the beginning and 41.5MB in the end (delta: 22.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,221 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:43:59,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1254.96ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 63.8MB in the beginning and 65.8MB in the end (delta: -2.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.25ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 61.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,222 INFO L158 Benchmark]: Boogie Preprocessor took 31.47ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 57.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,223 INFO L158 Benchmark]: RCFGBuilder took 2689.42ms. Allocated memory is still 109.1MB. Free memory was 57.4MB in the beginning and 60.1MB in the end (delta: -2.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,223 INFO L158 Benchmark]: TraceAbstraction took 6834.28ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 45.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,223 INFO L158 Benchmark]: Witness Printer took 75.51ms. Allocated memory is still 109.1MB. Free memory was 45.7MB in the beginning and 41.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:43:59,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1254.96ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 63.8MB in the beginning and 65.8MB in the end (delta: -2.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.25ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 61.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.47ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 57.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2689.42ms. Allocated memory is still 109.1MB. Free memory was 57.4MB in the beginning and 60.1MB in the end (delta: -2.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6834.28ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 45.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 75.51ms. Allocated memory is still 109.1MB. Free memory was 45.7MB in the beginning and 41.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5947] CALL memset_using_uint64_harness() [L5937] short d1[160]; [L5938] short d2[160]; [L5939] int c = __VERIFIER_nondet_int(); [L5940] unsigned size = __VERIFIER_nondet_uint(); [L5941] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5941] RET assume_abort_if_not(size < 160) VAL [d1={15:0}, d2={5:0}, size=0] [L5942] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={15:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={15:0}] [L5876] return s; VAL [c=0, n=0, s={15:0}] [L5942] RET memset_impl(d1, c, size) [L5943] CALL memset_using_uint64_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={5:0}, n=0] [L5883] size_t num_uint64s = n >> 3; [L5884] size_t rem = n & 0x7; [L5886] uint8_t *d = (uint8_t *)dst; [L5890] case 7: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5892] case 6: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5894] case 5: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5896] case 4: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5898] case 3: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5900] case 2: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5902] case 1: VAL [c=0, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5906] d += rem [L5908] uint64_t compounded = 0; VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5909] COND FALSE !(num_uint64s > 0 && c != 0) VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, n=0, num_uint64s=0, rem=0] [L5921] size_t i = 0; VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5921] COND FALSE !(i < num_uint64s) VAL [c=0, compounded={7:0}, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5925] return dst; [L5908] uint64_t compounded = 0; [L5925] return dst; VAL [c=0, d={5:0}, dst={5:0}, i=0, n=0, num_uint64s=0, rem=0] [L5943] RET memset_using_uint64_impl(d2, c, size) [L5944] CALL assert_bytes_match(d1, d2, size) [L5654] CALL __VERIFIER_assert(!(!a == !b)) VAL [\old(cond)=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0] [L223] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.7s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 1012 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 685 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 250 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 327 mSDtfsCounter, 250 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 220 ConstructedInterpolants, 25 QuantifiedInterpolants, 669 SizeOfPredicates, 19 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 54/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:43:59,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_280238a8-c93e-4aae-abb9-7682450fe7a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE