./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/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 e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 --- 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 22:02:35,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:02:35,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:02:35,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:02:35,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:02:35,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:02:35,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:02:35,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:02:35,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:02:35,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:02:35,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:02:35,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:02:35,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:02:35,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:02:35,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:02:35,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:02:35,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:02:35,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:02:35,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:02:35,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:02:35,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:02:35,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:02:35,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:02:35,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:02:35,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:02:35,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:02:35,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:02:35,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:02:35,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:02:35,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:02:35,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:02:35,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:02:35,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:02:35,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:02:35,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:02:35,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:02:35,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:02:35,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:02:35,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:02:35,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:02:35,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:02:35,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 22:02:35,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:02:35,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:02:35,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:02:35,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:02:35,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:02:35,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:02:35,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:02:35,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:02:35,572 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:02:35,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:02:35,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:02:35,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:02:35,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:02:35,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:02:35,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:02:35,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:02:35,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:02:35,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:02:35,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:02:35,576 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:02:35,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:02:35,576 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:02:35,576 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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e927e911c23486d4682cc4d9150666f96dac934e6255a36a06c854492483c520 [2022-12-13 22:02:35,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:02:35,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:02:35,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:02:35,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:02:35,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:02:35,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2022-12-13 22:02:38,368 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:02:38,666 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:02:38,666 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i [2022-12-13 22:02:38,698 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/data/d58db61fa/9767ceafaaa04158b2d9860724d8edfa/FLAGe7ba97ae2 [2022-12-13 22:02:38,711 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/data/d58db61fa/9767ceafaaa04158b2d9860724d8edfa [2022-12-13 22:02:38,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:02:38,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:02:38,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:02:38,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:02:38,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:02:38,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:02:38" (1/1) ... [2022-12-13 22:02:38,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e8c9370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:38, skipping insertion in model container [2022-12-13 22:02:38,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:02:38" (1/1) ... [2022-12-13 22:02:38,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:02:38,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:02:38,971 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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2022-12-13 22:02:38,978 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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2022-12-13 22:02:39,665 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,666 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,666 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,667 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,668 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,690 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,690 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,691 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,692 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,693 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:39,773 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:39,773 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:39,774 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:39,779 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 22:02:39,782 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 22:02:39,782 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 22:02:40,088 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,088 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,096 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,102 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,108 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,109 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,109 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,109 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,110 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,256 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 22:02:40,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 22:02:40,258 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 22:02:40,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 22:02:40,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 22:02:40,260 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 22:02:40,260 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 22:02:40,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 22:02:40,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 22:02:40,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 22:02:40,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 22:02:40,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:02:40,351 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:02:40,360 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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4484,4497] [2022-12-13 22:02:40,361 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_f3efad74-8416-4261-a63b-e4bfc4f1ed29/sv-benchmarks/c/aws-c-common/aws_ptr_eq_harness.i[4544,4557] [2022-12-13 22:02:40,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,385 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,389 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,390 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,390 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,391 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,392 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,396 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:40,397 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:40,397 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-13 22:02:40,399 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-13 22:02:40,400 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-13 22:02:40,400 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-13 22:02:40,445 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,445 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,448 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,450 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,453 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,453 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,455 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-13 22:02:40,480 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-13 22:02:40,481 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-13 22:02:40,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-13 22:02:40,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-13 22:02:40,483 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-13 22:02:40,483 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-13 22:02:40,484 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-13 22:02:40,484 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-13 22:02:40,484 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-13 22:02:40,485 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-13 22:02:40,485 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-13 22:02:40,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:02:40,629 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:02:40,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40 WrapperNode [2022-12-13 22:02:40,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:02:40,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:02:40,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:02:40,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:02:40,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,704 INFO L138 Inliner]: procedures = 752, calls = 1437, calls flagged for inlining = 43, calls inlined = 4, statements flattened = 23 [2022-12-13 22:02:40,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:02:40,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:02:40,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:02:40,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:02:40,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:02:40,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:02:40,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:02:40,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:02:40,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (1/1) ... [2022-12-13 22:02:40,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:02:40,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:02:40,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:02:40,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:02:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-13 22:02:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-13 22:02:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:02:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:02:40,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:02:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:02:40,950 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:02:40,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:02:41,010 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:02:41,014 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:02:41,014 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:02:41,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:41 BoogieIcfgContainer [2022-12-13 22:02:41,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:02:41,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:02:41,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:02:41,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:02:41,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:02:38" (1/3) ... [2022-12-13 22:02:41,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9d3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:02:41, skipping insertion in model container [2022-12-13 22:02:41,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:02:40" (2/3) ... [2022-12-13 22:02:41,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc9d3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:02:41, skipping insertion in model container [2022-12-13 22:02:41,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:41" (3/3) ... [2022-12-13 22:02:41,022 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ptr_eq_harness.i [2022-12-13 22:02:41,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:02:41,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 22:02:41,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:02:41,076 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;@2e8b1ef2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:02:41,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 22:02:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 22:02:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-13 22:02:41,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:02:41,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:02:41,087 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 22:02:41,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:02:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1804399352, now seen corresponding path program 1 times [2022-12-13 22:02:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:02:41,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494261560] [2022-12-13 22:02:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:02:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:02:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:02:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:02:41,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:02:41,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494261560] [2022-12-13 22:02:41,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494261560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:02:41,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:02:41,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:02:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348963554] [2022-12-13 22:02:41,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:02:41,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 22:02:41,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:02:41,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:02:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:02:41,850 INFO L87 Difference]: Start difference. First operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:02:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:02:41,934 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2022-12-13 22:02:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:02:41,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-13 22:02:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:02:41,940 INFO L225 Difference]: With dead ends: 20 [2022-12-13 22:02:41,940 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 22:02:41,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 22:02:41,944 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 22:02:41,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:02:41,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 22:02:41,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 22:02:41,961 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 22:02:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 22:02:41,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2022-12-13 22:02:41,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:02:41,963 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:02:41,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:02:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:02:41,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 22:02:41,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 22:02:41,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:02:41,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 22:02:42,047 INFO L895 garLoopResultBuilder]: At program point aws_ptr_eq_returnLabel#1(lines 6802 6805) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|)) (.cse1 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) (not .cse0) (not .cse1)) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse0 .cse1)) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|))) [2022-12-13 22:02:42,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 22:02:42,047 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 22:02:42,047 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 22:02:42,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 22:02:42,047 INFO L899 garLoopResultBuilder]: For program point L8630-1(lines 8624 8631) no Hoare annotation was computed. [2022-12-13 22:02:42,047 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(line 8632) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|))) (let ((.cse0 (not .cse2)) (.cse1 (not .cse4)) (.cse3 (div |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 256))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse0 .cse1) (or (and .cse2 (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (+ 1 (* 256 .cse3))) .cse4) (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 0)) (or (<= 1 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse2 .cse4)) (<= .cse3 0) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|)))) [2022-12-13 22:02:42,048 INFO L895 garLoopResultBuilder]: At program point L8630(line 8630) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.base| |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.base|)) (.cse2 (= |ULTIMATE.start_aws_ptr_eq_harness_~p1~0#1.offset| |ULTIMATE.start_aws_ptr_eq_harness_~p2~0#1.offset|))) (let ((.cse0 (not .cse2)) (.cse1 (not .cse4)) (.cse3 (div |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 256))) (and (or (<= 1 |ULTIMATE.start_aws_ptr_eq_#res#1|) .cse0 .cse1) (or (and .cse2 (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| (+ 1 (* 256 .cse3))) .cse4) (<= |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1| 0)) (or (<= 1 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) .cse0 .cse1) (or (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 0) (and .cse2 .cse4)) (<= .cse3 0) (<= |ULTIMATE.start_aws_ptr_eq_#res#1| 1) (<= 0 |ULTIMATE.start_aws_ptr_eq_harness_~rval~12#1|) (<= 0 |ULTIMATE.start_aws_ptr_eq_#res#1|)))) [2022-12-13 22:02:42,048 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-12-13 22:02:42,048 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-12-13 22:02:42,048 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-12-13 22:02:42,048 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-12-13 22:02:42,048 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2022-12-13 22:02:42,048 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-12-13 22:02:42,051 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 22:02:42,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:02:42,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:02:42 BoogieIcfgContainer [2022-12-13 22:02:42,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:02:42,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:02:42,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:02:42,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:02:42,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:02:41" (3/4) ... [2022-12-13 22:02:42,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:02:42,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-13 22:02:42,073 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 22:02:42,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 22:02:42,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:02:42,074 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:02:42,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (\result <= 0 || (p1 == p2 && p2 == p1))) && \result <= 1) && 0 <= \result [2022-12-13 22:02:42,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (((p1 == p2 && rval <= 1 + 256 * (rval / 256)) && p2 == p1) || rval <= 0)) && ((1 <= rval || !(p1 == p2)) || !(p2 == p1))) && (\result <= 0 || (p1 == p2 && p2 == p1))) && rval / 256 <= 0) && \result <= 1) && 0 <= rval) && 0 <= \result [2022-12-13 22:02:42,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:02:42,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:02:42,095 INFO L158 Benchmark]: Toolchain (without parser) took 3380.25ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 96.2MB in the beginning and 98.0MB in the end (delta: -1.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2022-12-13 22:02:42,096 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:02:42,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1913.48ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 96.1MB in the beginning and 117.1MB in the end (delta: -21.1MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2022-12-13 22:02:42,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.27ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 111.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:02:42,096 INFO L158 Benchmark]: Boogie Preprocessor took 21.70ms. Allocated memory is still 176.2MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:02:42,097 INFO L158 Benchmark]: RCFGBuilder took 288.29ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 96.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:02:42,097 INFO L158 Benchmark]: TraceAbstraction took 1046.38ms. Allocated memory is still 176.2MB. Free memory was 95.1MB in the beginning and 100.1MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:02:42,097 INFO L158 Benchmark]: Witness Printer took 31.09ms. Allocated memory is still 176.2MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:02:42,099 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 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1913.48ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 96.1MB in the beginning and 117.1MB in the end (delta: -21.1MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.27ms. Allocated memory is still 176.2MB. Free memory was 117.1MB in the beginning and 111.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.70ms. Allocated memory is still 176.2MB. Free memory was 110.8MB in the beginning and 109.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.29ms. Allocated memory is still 176.2MB. Free memory was 109.8MB in the beginning and 96.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1046.38ms. Allocated memory is still 176.2MB. Free memory was 95.1MB in the beginning and 100.1MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.09ms. Allocated memory is still 176.2MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5 NumberOfFragments, 171 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8632]: Loop Invariant Derived loop invariant: ((((((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (((p1 == p2 && rval <= 1 + 256 * (rval / 256)) && p2 == p1) || rval <= 0)) && ((1 <= rval || !(p1 == p2)) || !(p2 == p1))) && (\result <= 0 || (p1 == p2 && p2 == p1))) && rval / 256 <= 0) && \result <= 1) && 0 <= rval) && 0 <= \result - InvariantResult [Line: 6802]: Loop Invariant Derived loop invariant: ((((1 <= \result || !(p1 == p2)) || !(p2 == p1)) && (\result <= 0 || (p1 == p2 && p2 == p1))) && \result <= 1) && 0 <= \result RESULT: Ultimate proved your program to be correct! [2022-12-13 22:02:42,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3efad74-8416-4261-a63b-e4bfc4f1ed29/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE