./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.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_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:10:09,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:10:09,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:10:09,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:10:09,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:10:09,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:10:09,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:10:09,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:10:09,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:10:09,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:10:09,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:10:09,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:10:09,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:10:09,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:10:09,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:10:09,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:10:09,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:10:09,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:10:09,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:10:09,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:10:09,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:10:09,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:10:09,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:10:09,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:10:09,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:10:09,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:10:09,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:10:09,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:10:09,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:10:09,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:10:09,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:10:09,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:10:09,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:10:09,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:10:09,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:10:09,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:10:09,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:10:09,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:10:09,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:10:09,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:10:09,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:10:09,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 22:10:09,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:10:09,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:10:09,210 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:10:09,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:10:09,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:10:09,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:10:09,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:10:09,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:10:09,212 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:10:09,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:10:09,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:10:09,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:10:09,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:10:09,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:10:09,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:10:09,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:10:09,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:10:09,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:10:09,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:10:09,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:10:09,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:10:09,216 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:10:09,217 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2022-12-13 22:10:09,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:10:09,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:10:09,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:10:09,453 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:10:09,454 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:10:09,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-12-13 22:10:12,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:10:12,320 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:10:12,321 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2022-12-13 22:10:12,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/data/3a1260c7a/3fd09ce6aa9b44dfb9d5fc20ce9feedf/FLAGb8f715a97 [2022-12-13 22:10:12,601 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/data/3a1260c7a/3fd09ce6aa9b44dfb9d5fc20ce9feedf [2022-12-13 22:10:12,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:10:12,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:10:12,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:10:12,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:10:12,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:10:12,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:10:12" (1/1) ... [2022-12-13 22:10:12,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686a57e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:12, skipping insertion in model container [2022-12-13 22:10:12,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:10:12" (1/1) ... [2022-12-13 22:10:12,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:10:12,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:10:12,866 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_e45cde42-864c-46c8-aa27-9c8743d8796a/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2022-12-13 22:10:12,873 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_e45cde42-864c-46c8-aa27-9c8743d8796a/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2022-12-13 22:10:13,550 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,550 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,551 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,552 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,553 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,568 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,569 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,578 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,579 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,581 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,582 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,582 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,583 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:13,642 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:13,643 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:13,644 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:13,648 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 22:10:13,650 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 22:10:13,651 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 22:10:13,839 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 22:10:13,840 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 22:10:13,841 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 22:10:13,842 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 22:10:13,843 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 22:10:13,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 22:10:13,845 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 22:10:13,846 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 22:10:13,846 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 22:10:13,847 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 22:10:13,848 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 22:10:13,952 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 22:10:13,960 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 22:10:13,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:10:13,978 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:10:13,988 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_e45cde42-864c-46c8-aa27-9c8743d8796a/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2022-12-13 22:10:13,988 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_e45cde42-864c-46c8-aa27-9c8743d8796a/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2022-12-13 22:10:14,017 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,019 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,019 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,026 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,027 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,027 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,029 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,029 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:10:14,034 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:14,035 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:14,035 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:10:14,038 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 22:10:14,039 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 22:10:14,039 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 22:10:14,054 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 22:10:14,055 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 22:10:14,055 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 22:10:14,056 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 22:10:14,056 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 22:10:14,057 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 22:10:14,057 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 22:10:14,057 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 22:10:14,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 22:10:14,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 22:10:14,058 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 22:10:14,074 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-13 22:10:14,079 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 22:10:14,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:10:14,193 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:10:14,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14 WrapperNode [2022-12-13 22:10:14,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:10:14,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:10:14,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:10:14,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:10:14,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,262 INFO L138 Inliner]: procedures = 679, calls = 972, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 59 [2022-12-13 22:10:14,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:10:14,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:10:14,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:10:14,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:10:14,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:10:14,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:10:14,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:10:14,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:10:14,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (1/1) ... [2022-12-13 22:10:14,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:10:14,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:10:14,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:10:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-13 22:10:14,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-13 22:10:14,339 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 22:10:14,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:10:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 22:10:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:10:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:10:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-13 22:10:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-13 22:10:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-13 22:10:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-13 22:10:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 22:10:14,340 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 22:10:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 22:10:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-13 22:10:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-13 22:10:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-13 22:10:14,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-13 22:10:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:10:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:10:14,525 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:10:14,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:10:14,682 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:10:14,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:10:14,688 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:10:14,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:10:14 BoogieIcfgContainer [2022-12-13 22:10:14,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:10:14,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:10:14,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:10:14,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:10:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:10:12" (1/3) ... [2022-12-13 22:10:14,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae0aa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:10:14, skipping insertion in model container [2022-12-13 22:10:14,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:10:14" (2/3) ... [2022-12-13 22:10:14,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae0aa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:10:14, skipping insertion in model container [2022-12-13 22:10:14,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:10:14" (3/3) ... [2022-12-13 22:10:14,696 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2022-12-13 22:10:14,709 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:10:14,709 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:10:14,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:10:14,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3f34b7a3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:10:14,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:10:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 22:10:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 22:10:14,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:14,759 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:14,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:10:14,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:14,764 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2022-12-13 22:10:14,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:14,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393703547] [2022-12-13 22:10:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:14,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:10:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 22:10:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:10:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 22:10:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 22:10:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 22:10:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 22:10:15,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:15,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393703547] [2022-12-13 22:10:15,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393703547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:15,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:15,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-13 22:10:15,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691459347] [2022-12-13 22:10:15,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:15,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 22:10:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:15,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 22:10:15,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-12-13 22:10:15,758 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 22:10:16,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:16,257 INFO L93 Difference]: Finished difference Result 127 states and 153 transitions. [2022-12-13 22:10:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 22:10:16,259 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 55 [2022-12-13 22:10:16,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:16,267 INFO L225 Difference]: With dead ends: 127 [2022-12-13 22:10:16,267 INFO L226 Difference]: Without dead ends: 58 [2022-12-13 22:10:16,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2022-12-13 22:10:16,280 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 85 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:16,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 271 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:10:16,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-13 22:10:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-12-13 22:10:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.054054054054054) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 22:10:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-12-13 22:10:16,319 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 55 [2022-12-13 22:10:16,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:16,320 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-12-13 22:10:16,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2022-12-13 22:10:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-12-13 22:10:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 22:10:16,322 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:16,322 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:16,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:10:16,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:10:16,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2022-12-13 22:10:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:16,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966991782] [2022-12-13 22:10:16,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:16,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:10:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 22:10:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:10:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 22:10:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 22:10:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 22:10:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 22:10:16,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:16,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966991782] [2022-12-13 22:10:16,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966991782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:10:16,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:10:16,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-13 22:10:16,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279161967] [2022-12-13 22:10:16,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:10:16,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 22:10:16,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:16,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 22:10:16,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-12-13 22:10:16,944 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 22:10:17,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:17,382 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2022-12-13 22:10:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:10:17,383 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2022-12-13 22:10:17,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:17,384 INFO L225 Difference]: With dead ends: 64 [2022-12-13 22:10:17,384 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 22:10:17,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-12-13 22:10:17,386 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 51 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:17,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 231 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 22:10:17,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 22:10:17,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 22:10:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 22:10:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2022-12-13 22:10:17,397 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 55 [2022-12-13 22:10:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:17,397 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2022-12-13 22:10:17,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 22:10:17,398 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2022-12-13 22:10:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 22:10:17,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:10:17,399 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:10:17,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:10:17,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:10:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:10:17,400 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2022-12-13 22:10:17,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:10:17,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785841589] [2022-12-13 22:10:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:17,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:10:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:10:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 22:10:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 22:10:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 22:10:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 22:10:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 22:10:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 22:10:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 22:10:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-12-13 22:10:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 22:10:18,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:10:18,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785841589] [2022-12-13 22:10:18,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785841589] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:10:18,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780416263] [2022-12-13 22:10:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:10:18,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:10:18,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:10:18,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:10:18,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:10:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:10:18,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 94 conjunts are in the unsatisfiable core [2022-12-13 22:10:18,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:10:18,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 22:10:21,240 INFO L321 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2022-12-13 22:10:21,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 179 treesize of output 163 [2022-12-13 22:10:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 22:10:21,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:10:37,932 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 22:10:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 22:10:38,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780416263] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:10:38,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:10:38,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29, 20] total 55 [2022-12-13 22:10:38,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436676598] [2022-12-13 22:10:38,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:10:38,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-12-13 22:10:38,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:10:38,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-12-13 22:10:38,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2803, Unknown=1, NotChecked=0, Total=2970 [2022-12-13 22:10:38,611 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2022-12-13 22:10:39,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:10:39,341 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2022-12-13 22:10:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 22:10:39,341 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) Word has length 69 [2022-12-13 22:10:39,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:10:39,341 INFO L225 Difference]: With dead ends: 64 [2022-12-13 22:10:39,341 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 22:10:39,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 110 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=207, Invalid=3574, Unknown=1, NotChecked=0, Total=3782 [2022-12-13 22:10:39,343 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 22:10:39,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 206 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 22:10:39,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 22:10:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 22:10:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:10:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 22:10:39,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-12-13 22:10:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:10:39,344 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:10:39,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2022-12-13 22:10:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:10:39,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 22:10:39,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 22:10:39,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:10:39,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-13 22:10:39,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 22:10:39,646 INFO L899 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2022-12-13 22:10:39,646 INFO L895 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-12-13 22:10:39,646 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6926 6931) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6926 6931) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6292 6296) the Hoare annotation is: true [2022-12-13 22:10:39,647 INFO L902 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6292 6296) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L902 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 22:10:39,647 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6933 6935) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6933 6935) the Hoare annotation is: true [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6302 6307) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6302 6307) the Hoare annotation is: true [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2022-12-13 22:10:39,648 INFO L895 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (and (not (<= (+ (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616) 1) 0)) (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549)) [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 22:10:39,648 INFO L899 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_returnLabel#1(lines 6850 6860) the Hoare annotation is: false [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_bounded_length_returnLabel#1(lines 6844 6848) the Hoare annotation is: false [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(line 7264) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0))) [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (<= 0 (+ (* 18446744073709551616 (div (+ (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|) 1234548) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1|)) (not (<= (+ (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616) 1) 0)) (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549) (<= 0 (+ |ULTIMATE.start_ensure_string_is_allocated_~len#1| (* 18446744073709551616 (div (+ 1234548 (* (- 1) |ULTIMATE.start_ensure_string_is_allocated_~len#1|)) 18446744073709551616))))) [2022-12-13 22:10:39,649 INFO L895 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 22:10:39,649 INFO L899 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L895 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (and (not (<= (+ (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616) 1) 0)) (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 1234549)) [2022-12-13 22:10:39,650 INFO L895 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2022-12-13 22:10:39,650 INFO L895 garLoopResultBuilder]: At program point ensure_string_is_allocated_nondet_length_returnLabel#1(lines 6837 6842) the Hoare annotation is: false [2022-12-13 22:10:39,650 INFO L895 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L895 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-13 22:10:39,650 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-13 22:10:39,650 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-13 22:10:39,653 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 22:10:39,654 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:10:39,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:10:39 BoogieIcfgContainer [2022-12-13 22:10:39,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:10:39,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:10:39,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:10:39,664 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:10:39,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:10:14" (3/4) ... [2022-12-13 22:10:39,666 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:10:39,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-12-13 22:10:39,670 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-12-13 22:10:39,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-12-13 22:10:39,673 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 22:10:39,673 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 22:10:39,674 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:10:39,674 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:10:39,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) [2022-12-13 22:10:39,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:10:39,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:10:39,700 INFO L158 Benchmark]: Toolchain (without parser) took 27096.36ms. Allocated memory was 115.3MB in the beginning and 249.6MB in the end (delta: 134.2MB). Free memory was 74.9MB in the beginning and 135.2MB in the end (delta: -60.3MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,700 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:10:39,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1588.97ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 74.6MB in the beginning and 57.3MB in the end (delta: 17.3MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.63ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 98.7MB in the end (delta: -42.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,701 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 95.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,702 INFO L158 Benchmark]: RCFGBuilder took 403.14ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 75.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,702 INFO L158 Benchmark]: TraceAbstraction took 24972.03ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 75.6MB in the beginning and 138.4MB in the end (delta: -62.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,702 INFO L158 Benchmark]: Witness Printer took 35.63ms. Allocated memory is still 249.6MB. Free memory was 138.4MB in the beginning and 135.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:10:39,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1588.97ms. Allocated memory was 115.3MB in the beginning and 142.6MB in the end (delta: 27.3MB). Free memory was 74.6MB in the beginning and 57.3MB in the end (delta: 17.3MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.63ms. Allocated memory is still 142.6MB. Free memory was 56.5MB in the beginning and 98.7MB in the end (delta: -42.2MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.49ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 95.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.14ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 75.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 24972.03ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 75.6MB in the beginning and 138.4MB in the end (delta: -62.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 35.63ms. Allocated memory is still 249.6MB. Free memory was 138.4MB in the beginning and 135.2MB in the end (delta: 3.1MB). 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 153 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 708 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1670 IncrementalHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 67 mSDtfsCounter, 1670 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 18.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 42, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 42 PreInvPairs, 45 NumberOfFragments, 118 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.4s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 312 ConstructedInterpolants, 17 QuantifiedInterpolants, 5045 SizeOfPredicates, 29 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 72/87 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6844]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 22:10:39,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45cde42-864c-46c8-aa27-9c8743d8796a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE