./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/memset_override_0_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_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 --- 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 [2022-12-14 08:06:46,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:06:46,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:06:46,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:06:46,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:06:46,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:06:46,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:06:46,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:06:46,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:06:46,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:06:46,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:06:46,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:06:46,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:06:46,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:06:46,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:06:46,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:06:46,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:06:46,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:06:46,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:06:46,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:06:46,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:06:46,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:06:46,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:06:46,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:06:46,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:06:46,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:06:46,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:06:46,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:06:46,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:06:46,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:06:46,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:06:46,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:06:46,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:06:46,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:06:46,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:06:46,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:06:46,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:06:46,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:06:46,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:06:46,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:06:46,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:06:46,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:06:46,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:06:46,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:06:46,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:06:46,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:06:46,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:06:46,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:06:46,123 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:06:46,124 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:06:46,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:06:46,124 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:06:46,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:06:46,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:06:46,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:06:46,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:06:46,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:46,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:06:46,125 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:06:46,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 [2022-12-14 08:06:46,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:06:46,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:06:46,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:06:46,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:06:46,313 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:06:46,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-14 08:06:48,985 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:06:49,255 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:06:49,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-14 08:06:49,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/1b4b9cf37/a06b273375324e86aeea68b41abd6bfc/FLAG5f6a95061 [2022-12-14 08:06:49,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/1b4b9cf37/a06b273375324e86aeea68b41abd6bfc [2022-12-14 08:06:49,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:06:49,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:06:49,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:49,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:06:49,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:06:49,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:49" (1/1) ... [2022-12-14 08:06:49,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ca1d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:49, skipping insertion in model container [2022-12-14 08:06:49,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:49" (1/1) ... [2022-12-14 08:06:49,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:06:49,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:06:49,497 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-14 08:06:49,503 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-14 08:06:49,988 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:49,989 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:49,990 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:49,991 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:49,992 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,007 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,007 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,009 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,068 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,068 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,069 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,075 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:06:50,077 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:06:50,077 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:06:50,161 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:06:50,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:06:50,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:06:50,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:06:50,166 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:06:50,167 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:06:50,168 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:06:50,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:06:50,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:06:50,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:06:50,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:06:50,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:50,237 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:06:50,248 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-14 08:06:50,248 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-14 08:06:50,295 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,295 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,296 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,297 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,297 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,306 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,306 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,307 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,307 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,308 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,309 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,309 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,310 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:50,315 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,315 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,316 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:50,318 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:06:50,320 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:06:50,320 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:06:50,324 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:06:50,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:06:50,337 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:06:50,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:06:50,338 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:06:50,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:06:50,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:06:50,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:06:50,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:06:50,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:06:50,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:06:50,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:50,461 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:06:50,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50 WrapperNode [2022-12-14 08:06:50,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:50,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:50,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:06:50,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:06:50,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,535 INFO L138 Inliner]: procedures = 592, calls = 608, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 84 [2022-12-14 08:06:50,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:50,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:06:50,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:06:50,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:06:50,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:06:50,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:06:50,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:06:50,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:06:50,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (1/1) ... [2022-12-14 08:06:50,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:50,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:06:50,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:06:50,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:06:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:06:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:06:50,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:06:50,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:06:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:06:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-14 08:06:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-14 08:06:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 08:06:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 08:06:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:06:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:06:50,811 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:06:50,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:06:50,970 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:06:50,996 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:06:50,997 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:06:50,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:50 BoogieIcfgContainer [2022-12-14 08:06:50,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:06:51,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:06:51,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:06:51,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:06:51,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:06:49" (1/3) ... [2022-12-14 08:06:51,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3c926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:51, skipping insertion in model container [2022-12-14 08:06:51,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:50" (2/3) ... [2022-12-14 08:06:51,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d3c926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:51, skipping insertion in model container [2022-12-14 08:06:51,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:50" (3/3) ... [2022-12-14 08:06:51,005 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_override_0_harness_negated.i [2022-12-14 08:06:51,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:06:51,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:06:51,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:06:51,060 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51247df6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:06:51,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:06:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 28 states have internal predecessors, (34), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 08:06:51,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 08:06:51,069 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:51,069 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:51,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:06:51,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:51,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1400044035, now seen corresponding path program 1 times [2022-12-14 08:06:51,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:06:51,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776647197] [2022-12-14 08:06:51,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:51,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:06:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:06:51,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:06:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:06:51,292 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:06:51,293 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:06:51,294 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:06:51,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:06:51,299 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 08:06:51,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:06:51,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:06:51 BoogieIcfgContainer [2022-12-14 08:06:51,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:06:51,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:06:51,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:06:51,318 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:06:51,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:50" (3/4) ... [2022-12-14 08:06:51,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 08:06:51,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:06:51,322 INFO L158 Benchmark]: Toolchain (without parser) took 2037.15ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 82.6MB in the end (delta: 19.3MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,323 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:06:51,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1175.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 81.9MB in the end (delta: 20.0MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.78ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,324 INFO L158 Benchmark]: Boogie Preprocessor took 31.52ms. Allocated memory is still 167.8MB. Free memory was 77.7MB in the beginning and 74.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,324 INFO L158 Benchmark]: RCFGBuilder took 430.79ms. Allocated memory is still 167.8MB. Free memory was 74.7MB in the beginning and 113.1MB in the end (delta: -38.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,325 INFO L158 Benchmark]: TraceAbstraction took 317.52ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 82.6MB in the end (delta: 29.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 08:06:51,325 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 167.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:06:51,327 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 138.4MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1175.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 102.0MB in the beginning and 81.9MB in the end (delta: 20.0MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.78ms. Allocated memory is still 167.8MB. Free memory was 81.9MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.52ms. Allocated memory is still 167.8MB. Free memory was 77.7MB in the beginning and 74.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.79ms. Allocated memory is still 167.8MB. Free memory was 74.7MB in the beginning and 113.1MB in the end (delta: -38.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 317.52ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 82.6MB in the end (delta: 29.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 167.8MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 5912. Possible FailurePath: [L5919] CALL memset_override_0_harness() [L5906] short d1[160]; [L5907] short d2[160]; [L5908] int c = __VERIFIER_nondet_int(); [L5909] CALL assume_abort_if_not(c == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5909] RET assume_abort_if_not(c == 0) VAL [c=0, d1={4:0}, d2={5:0}] [L5911] unsigned size = __VERIFIER_nondet_uint(); [L5912] CALL assume_abort_if_not((size & 0x7) == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5912] RET assume_abort_if_not((size & 0x7) == 0) VAL [c=0, d1={4:0}, d2={5:0}, size=0] [L5913] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5913] RET assume_abort_if_not(size < 160) VAL [c=0, d1={4:0}, d2={5:0}, size=0] [L5914] CALL memset_impl(d1, c, size) [L5870] CALL assume_abort_if_not((((n) == 0) || (s))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5870] RET assume_abort_if_not((((n) == 0) || (s))) VAL [c=0, n=0, s={4:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={4:0}] [L5876] return s; [L5914] RET memset_impl(d1, c, size) [L5915] CALL memset_override_0_impl(d2, c, size) [L5881] CALL assume_abort_if_not((((n) == 0) || (dst))) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) [L5881] RET assume_abort_if_not((((n) == 0) || (dst))) VAL [c=0, dst={5:0}, n=0] [L5883] CALL __VERIFIER_assert(!(c == 0)) 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2022-12-14 08:06:51,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 --- 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 [2022-12-14 08:06:52,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:06:52,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:06:52,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:06:52,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:06:52,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:06:52,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:06:52,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:06:52,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:06:52,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:06:52,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:06:52,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:06:52,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:06:52,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:06:52,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:06:52,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:06:52,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:06:52,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:06:52,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:06:52,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:06:52,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:06:52,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:06:52,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:06:52,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:06:52,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:06:52,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:06:52,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:06:52,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:06:52,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:06:52,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:06:52,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:06:52,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:06:52,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:06:52,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:06:52,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:06:52,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:06:52,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:06:52,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:06:52,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:06:52,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:06:52,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:06:52,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 08:06:52,902 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:06:52,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:06:52,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:06:52,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:06:52,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:06:52,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:06:52,903 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:06:52,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:06:52,904 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:06:52,904 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:06:52,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:06:52,904 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:06:52,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:06:52,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:06:52,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:06:52,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:06:52,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:06:52,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:06:52,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:52,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:06:52,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:06:52,907 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fab327b4ac197d8b072c60a898c4f092877f7664529aba95bdf04a707f77312 [2022-12-14 08:06:53,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:06:53,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:06:53,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:06:53,132 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:06:53,133 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:06:53,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-14 08:06:55,682 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:06:55,945 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:06:55,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i [2022-12-14 08:06:55,962 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/6fd9297ed/368220ef24fa4caa85c89d4be2d2fa5f/FLAGc3ccdae05 [2022-12-14 08:06:55,973 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/data/6fd9297ed/368220ef24fa4caa85c89d4be2d2fa5f [2022-12-14 08:06:55,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:06:55,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:06:55,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:55,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:06:55,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:06:55,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:55" (1/1) ... [2022-12-14 08:06:55,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7249ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:55, skipping insertion in model container [2022-12-14 08:06:55,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:06:55" (1/1) ... [2022-12-14 08:06:55,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:06:56,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:06:56,195 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-14 08:06:56,200 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-14 08:06:56,687 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,689 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,690 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,714 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,715 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,716 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,756 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,757 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,757 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,763 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:06:56,765 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:06:56,765 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:06:56,839 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:06:56,840 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:06:56,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:06:56,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:06:56,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:06:56,843 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:06:56,843 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:06:56,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:06:56,844 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:06:56,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:06:56,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:06:56,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:56,906 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 08:06:56,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:06:56,923 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-14 08:06:56,923 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-14 08:06:56,952 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,953 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,953 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,953 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,954 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,960 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,961 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,962 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:56,970 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,970 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,971 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:56,973 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:06:56,974 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:06:56,975 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:06:56,979 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:06:56,980 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:06:56,980 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:06:56,981 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:06:56,982 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:06:56,983 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:06:56,983 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:06:56,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:06:56,984 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:06:56,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:06:56,985 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:06:57,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:57,013 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:06:57,023 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4491,4504] [2022-12-14 08:06:57,023 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_52914f9a-0d90-40ad-b95e-381976baf687/sv-benchmarks/c/aws-c-common/memset_override_0_harness_negated.i[4551,4564] [2022-12-14 08:06:57,052 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,052 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,059 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,059 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,060 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,061 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,062 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,062 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,063 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,063 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:06:57,068 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:57,068 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:57,069 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:06:57,071 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:06:57,072 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:06:57,073 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:06:57,076 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:06:57,077 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:06:57,078 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:06:57,079 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:06:57,079 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:06:57,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:06:57,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:06:57,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:06:57,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:06:57,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:06:57,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:06:57,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:06:57,196 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:06:57,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57 WrapperNode [2022-12-14 08:06:57,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:06:57,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:57,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:06:57,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:06:57,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,252 INFO L138 Inliner]: procedures = 611, calls = 608, calls flagged for inlining = 38, calls inlined = 6, statements flattened = 84 [2022-12-14 08:06:57,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:06:57,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:06:57,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:06:57,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:06:57,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:06:57,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:06:57,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:06:57,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:06:57,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (1/1) ... [2022-12-14 08:06:57,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:06:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:06:57,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:06:57,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:06:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:06:57,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:06:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:06:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:06:57,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:06:57,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 08:06:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 08:06:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2022-12-14 08:06:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2022-12-14 08:06:57,344 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 08:06:57,344 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 08:06:57,532 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:06:57,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:06:57,761 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:06:57,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:06:57,767 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:06:57,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:57 BoogieIcfgContainer [2022-12-14 08:06:57,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:06:57,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:06:57,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:06:57,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:06:57,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:06:55" (1/3) ... [2022-12-14 08:06:57,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b14f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:57, skipping insertion in model container [2022-12-14 08:06:57,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:06:57" (2/3) ... [2022-12-14 08:06:57,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b14f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:06:57, skipping insertion in model container [2022-12-14 08:06:57,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:57" (3/3) ... [2022-12-14 08:06:57,778 INFO L112 eAbstractionObserver]: Analyzing ICFG memset_override_0_harness_negated.i [2022-12-14 08:06:57,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:06:57,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:06:57,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:06:57,844 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c23e6f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:06:57,844 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:06:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-14 08:06:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 08:06:57,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:57,855 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:57,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:06:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:57,860 INFO L85 PathProgramCache]: Analyzing trace with hash 16590849, now seen corresponding path program 1 times [2022-12-14 08:06:57,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:06:57,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115039278] [2022-12-14 08:06:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:57,873 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 [2022-12-14 08:06:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:06:57,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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) [2022-12-14 08:06:57,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:06:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 08:06:57,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:06:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 08:06:58,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:06:58,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 08:06:58,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115039278] [2022-12-14 08:06:58,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115039278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:06:58,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:06:58,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:06:58,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267478315] [2022-12-14 08:06:58,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:06:58,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:06:58,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 08:06:58,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:06:58,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:06:58,046 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 40 states have internal predecessors, (49), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 08:06:58,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:06:58,067 INFO L93 Difference]: Finished difference Result 117 states and 167 transitions. [2022-12-14 08:06:58,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:06:58,068 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 36 [2022-12-14 08:06:58,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:06:58,074 INFO L225 Difference]: With dead ends: 117 [2022-12-14 08:06:58,074 INFO L226 Difference]: Without dead ends: 52 [2022-12-14 08:06:58,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:06:58,078 INFO L413 NwaCegarLoop]: 75 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, 75 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 [2022-12-14 08:06:58,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:06:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-14 08:06:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-14 08:06:58,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 15 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-14 08:06:58,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-12-14 08:06:58,108 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 66 transitions. Word has length 36 [2022-12-14 08:06:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:06:58,108 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 66 transitions. [2022-12-14 08:06:58,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 08:06:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-12-14 08:06:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 08:06:58,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:06:58,110 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:06:58,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:58,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:58,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:06:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:06:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1271235587, now seen corresponding path program 1 times [2022-12-14 08:06:58,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 08:06:58,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469940758] [2022-12-14 08:06:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:06:58,312 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 [2022-12-14 08:06:58,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 08:06:58,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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) [2022-12-14 08:06:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:06:58,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:06:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:06:58,490 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 08:06:58,490 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:06:58,491 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 08:06:58,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:58,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/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 [2022-12-14 08:06:58,706 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:06:58,715 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 08:06:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 08:06:58 BoogieIcfgContainer [2022-12-14 08:06:58,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 08:06:58,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 08:06:58,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 08:06:58,798 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 08:06:58,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:06:57" (3/4) ... [2022-12-14 08:06:58,806 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 08:06:58,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 08:06:58,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 08:06:58,883 INFO L158 Benchmark]: Toolchain (without parser) took 2907.17ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 55.9MB in the end (delta: 39.4MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,883 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:06:58,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.68ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 53.5MB in the end (delta: 41.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.83ms. Allocated memory is still 121.6MB. Free memory was 53.5MB in the beginning and 48.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,884 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 121.6MB. Free memory was 48.5MB in the beginning and 83.6MB in the end (delta: -35.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,884 INFO L158 Benchmark]: RCFGBuilder took 484.05ms. Allocated memory is still 121.6MB. Free memory was 83.6MB in the beginning and 60.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,885 INFO L158 Benchmark]: TraceAbstraction took 1022.94ms. Allocated memory is still 121.6MB. Free memory was 59.9MB in the beginning and 58.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,885 INFO L158 Benchmark]: Witness Printer took 85.28ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:06:58,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.68ms. Allocated memory is still 121.6MB. Free memory was 95.3MB in the beginning and 53.5MB in the end (delta: 41.8MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.83ms. Allocated memory is still 121.6MB. Free memory was 53.5MB in the beginning and 48.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 121.6MB. Free memory was 48.5MB in the beginning and 83.6MB in the end (delta: -35.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 484.05ms. Allocated memory is still 121.6MB. Free memory was 83.6MB in the beginning and 60.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1022.94ms. Allocated memory is still 121.6MB. Free memory was 59.9MB in the beginning and 58.7MB in the end (delta: 1.3MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. * Witness Printer took 85.28ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 55.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5919] CALL memset_override_0_harness() [L5906] short d1[160]; [L5907] short d2[160]; [L5908] int c = __VERIFIER_nondet_int(); [L5909] CALL assume_abort_if_not(c == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5909] RET assume_abort_if_not(c == 0) VAL [c=0, d1={7:0}, d2={5:0}] [L5911] unsigned size = __VERIFIER_nondet_uint(); [L5912] CALL assume_abort_if_not((size & 0x7) == 0) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5912] RET assume_abort_if_not((size & 0x7) == 0) VAL [c=0, d1={7:0}, d2={5:0}, size=0] [L5913] CALL assume_abort_if_not(size < 160) VAL [\old(cond)=1] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L5913] RET assume_abort_if_not(size < 160) VAL [c=0, d1={7:0}, d2={5:0}, size=0] [L5914] 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={7:0}] [L5871] COND FALSE !(n > 0) VAL [c=0, n=0, s={7:0}] [L5876] return s; VAL [c=0, n=0, s={7:0}] [L5914] RET memset_impl(d1, c, size) [L5915] CALL memset_override_0_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] CALL __VERIFIER_assert(!(c == 0)) 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, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 35 SizeOfPredicates, 0 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 40/40 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! [2022-12-14 08:06:58,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52914f9a-0d90-40ad-b95e-381976baf687/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE