./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- 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-5e519f3 [2022-11-02 20:33:28,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:33:28,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:33:28,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:33:28,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:33:28,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:33:28,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:33:28,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:33:28,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:33:28,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:33:28,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:33:28,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:33:28,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:33:28,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:33:28,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:33:28,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:33:28,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:33:28,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:33:28,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:33:28,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:33:28,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:33:28,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:33:28,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:33:28,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:33:28,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:33:28,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:33:28,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:33:28,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:33:28,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:33:28,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:33:28,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:33:28,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:33:28,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:33:28,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:33:28,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:33:28,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:33:28,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:33:28,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:33:28,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:33:28,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:33:28,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:33:28,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:33:28,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:33:28,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:33:28,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:33:28,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:33:28,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:33:28,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:33:28,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:33:28,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:33:28,409 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:33:28,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:33:28,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:33:28,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:33:28,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:33:28,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:33:28,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:33:28,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:33:28,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:33:28,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:33:28,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:33:28,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:33:28,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:33:28,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:28,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:33:28,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:33:28,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:33:28,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:33:28,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:33:28,418 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:33:28,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:33:28,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:33:28,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-02 20:33:28,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:33:28,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:33:28,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:33:28,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:33:28,809 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:33:28,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-02 20:33:28,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/c4b269a66/07231c6e5ed44d16b61b1ec5c99f90ee/FLAG53b9c40d1 [2022-11-02 20:33:29,828 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:33:29,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-02 20:33:29,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/c4b269a66/07231c6e5ed44d16b61b1ec5c99f90ee/FLAG53b9c40d1 [2022-11-02 20:33:30,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/c4b269a66/07231c6e5ed44d16b61b1ec5c99f90ee [2022-11-02 20:33:30,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:33:30,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:33:30,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:30,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:33:30,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:33:30,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:30" (1/1) ... [2022-11-02 20:33:30,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cb808c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:30, skipping insertion in model container [2022-11-02 20:33:30,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:30" (1/1) ... [2022-11-02 20:33:30,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:33:30,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:33:30,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-02 20:33:30,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-02 20:33:31,794 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:33:31,893 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,894 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,894 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,896 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,897 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,915 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,916 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,919 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,920 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,922 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,924 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,925 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:31,926 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,320 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:33:32,322 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:33:32,323 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:33:32,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:33:32,327 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:33:32,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:33:32,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:33:32,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:33:32,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:33:32,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:33:32,518 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,527 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:32,564 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:33:32,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-02 20:33:32,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-02 20:33:32,615 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:33:32,634 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,635 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,636 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,646 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,649 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,659 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,666 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,668 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,669 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,671 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,672 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,678 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,679 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:33:32,808 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:33:32,810 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:33:32,813 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:33:32,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:33:32,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:33:32,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:33:32,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:33:32,819 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:33:32,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:33:32,898 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,917 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:33:32,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:33,089 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:33:33,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33 WrapperNode [2022-11-02 20:33:33,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:33,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:33,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:33:33,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:33:33,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,239 INFO L138 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-11-02 20:33:33,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:33,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:33:33,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:33:33,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:33:33,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:33:33,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:33:33,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:33:33,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:33:33,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (1/1) ... [2022-11-02 20:33:33,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:33:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:33,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:33:33,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:33:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:33:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-02 20:33:33,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-02 20:33:33,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:33:33,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 20:33:33,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 20:33:33,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:33:33,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:33:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:33:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:33:33,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:33:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:33:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:33:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:33:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:33:33,467 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-02 20:33:33,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-02 20:33:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-02 20:33:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-02 20:33:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:33:33,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:33:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:33:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:33:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:33:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-02 20:33:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-02 20:33:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 20:33:33,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 20:33:33,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:33:33,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:33:33,848 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:33:33,850 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:33:34,255 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:33:34,265 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:33:34,266 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:33:34,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:34 BoogieIcfgContainer [2022-11-02 20:33:34,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:33:34,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:33:34,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:33:34,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:33:34,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:33:30" (1/3) ... [2022-11-02 20:33:34,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad83288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:34, skipping insertion in model container [2022-11-02 20:33:34,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:33" (2/3) ... [2022-11-02 20:33:34,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad83288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:33:34, skipping insertion in model container [2022-11-02 20:33:34,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:34" (3/3) ... [2022-11-02 20:33:34,295 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-02 20:33:34,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:33:34,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:33:34,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:33:34,412 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;@60c945e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:33:34,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:33:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-02 20:33:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-02 20:33:34,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:34,435 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:34,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:34,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:34,443 INFO L85 PathProgramCache]: Analyzing trace with hash -946297550, now seen corresponding path program 1 times [2022-11-02 20:33:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:34,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190735562] [2022-11-02 20:33:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:35,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:35,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190735562] [2022-11-02 20:33:35,012 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-02 20:33:35,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800508561] [2022-11-02 20:33:35,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:35,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:35,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:35,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:35,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:33:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:35,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:33:35,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-02 20:33:35,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:35,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800508561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:35,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:35,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:33:35,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110429695] [2022-11-02 20:33:35,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:35,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:33:35,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:35,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:33:35,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:33:35,510 INFO L87 Difference]: Start difference. First operand has 105 states, 64 states have (on average 1.171875) internal successors, (75), 65 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 20:33:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:35,578 INFO L93 Difference]: Finished difference Result 207 states and 288 transitions. [2022-11-02 20:33:35,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:33:35,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-11-02 20:33:35,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:35,602 INFO L225 Difference]: With dead ends: 207 [2022-11-02 20:33:35,602 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 20:33:35,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:33:35,619 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:35,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:33:35,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 20:33:35,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 20:33:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 59 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-02 20:33:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 124 transitions. [2022-11-02 20:33:35,684 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 124 transitions. Word has length 89 [2022-11-02 20:33:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:35,685 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 124 transitions. [2022-11-02 20:33:35,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 20:33:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2022-11-02 20:33:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-02 20:33:35,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:35,690 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:35,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:35,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-02 20:33:35,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:35,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:35,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2112535568, now seen corresponding path program 1 times [2022-11-02 20:33:35,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:35,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686493191] [2022-11-02 20:33:35,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:35,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:35,984 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:35,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130836649] [2022-11-02 20:33:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:35,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:35,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:35,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:36,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:33:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:36,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:33:36,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-02 20:33:36,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:36,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:36,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686493191] [2022-11-02 20:33:36,611 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:33:36,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130836649] [2022-11-02 20:33:36,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130836649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:36,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:36,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:33:36,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827159470] [2022-11-02 20:33:36,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:36,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:33:36,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:36,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:33:36,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:33:36,616 INFO L87 Difference]: Start difference. First operand 97 states and 124 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 20:33:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:37,136 INFO L93 Difference]: Finished difference Result 166 states and 207 transitions. [2022-11-02 20:33:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:33:37,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 89 [2022-11-02 20:33:37,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:37,139 INFO L225 Difference]: With dead ends: 166 [2022-11-02 20:33:37,140 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 20:33:37,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:33:37,142 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 143 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:37,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 352 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:33:37,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 20:33:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 20:33:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.1206896551724137) internal successors, (65), 59 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-02 20:33:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 123 transitions. [2022-11-02 20:33:37,157 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 123 transitions. Word has length 89 [2022-11-02 20:33:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:37,159 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 123 transitions. [2022-11-02 20:33:37,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 20:33:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2022-11-02 20:33:37,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-02 20:33:37,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:37,163 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:37,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:37,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:37,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:37,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash 778634374, now seen corresponding path program 1 times [2022-11-02 20:33:37,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:37,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438570211] [2022-11-02 20:33:37,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:37,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:37,444 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:37,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734001867] [2022-11-02 20:33:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:37,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:37,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:37,446 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:37,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:33:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:37,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-02 20:33:37,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:38,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:33:40,222 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_383 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_383)))) is different from true [2022-11-02 20:33:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-02 20:33:50,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:50,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:51,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438570211] [2022-11-02 20:33:51,000 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:33:51,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734001867] [2022-11-02 20:33:51,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734001867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:51,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:51,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-02 20:33:51,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963994204] [2022-11-02 20:33:51,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:51,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 20:33:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:33:51,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=202, Unknown=3, NotChecked=28, Total=272 [2022-11-02 20:33:51,004 INFO L87 Difference]: Start difference. First operand 97 states and 123 transitions. Second operand has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-02 20:33:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:52,112 INFO L93 Difference]: Finished difference Result 238 states and 320 transitions. [2022-11-02 20:33:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 20:33:52,113 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 104 [2022-11-02 20:33:52,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:52,117 INFO L225 Difference]: With dead ends: 238 [2022-11-02 20:33:52,118 INFO L226 Difference]: Without dead ends: 171 [2022-11-02 20:33:52,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=60, Invalid=321, Unknown=3, NotChecked=36, Total=420 [2022-11-02 20:33:52,120 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 114 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 510 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:52,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 652 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 674 Invalid, 0 Unknown, 510 Unchecked, 0.9s Time] [2022-11-02 20:33:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-11-02 20:33:52,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 107. [2022-11-02 20:33:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 68 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-02 20:33:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2022-11-02 20:33:52,152 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 104 [2022-11-02 20:33:52,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:52,153 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2022-11-02 20:33:52,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.466666666666667) internal successors, (37), 15 states have internal predecessors, (37), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-02 20:33:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2022-11-02 20:33:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-02 20:33:52,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:52,158 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:52,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:52,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:52,374 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:52,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:52,375 INFO L85 PathProgramCache]: Analyzing trace with hash 385607364, now seen corresponding path program 1 times [2022-11-02 20:33:52,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:52,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378797172] [2022-11-02 20:33:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:52,447 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:52,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850537351] [2022-11-02 20:33:52,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:52,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:52,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:52,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:52,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:33:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:52,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:33:52,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:52,809 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-02 20:33:52,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:33:52,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:33:52,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378797172] [2022-11-02 20:33:52,810 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:33:52,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850537351] [2022-11-02 20:33:52,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850537351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:33:52,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:33:52,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:33:52,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403850395] [2022-11-02 20:33:52,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:33:52,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:33:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:33:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:33:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:33:52,818 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:33:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:33:52,882 INFO L93 Difference]: Finished difference Result 189 states and 237 transitions. [2022-11-02 20:33:52,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:33:52,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 104 [2022-11-02 20:33:52,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:33:52,895 INFO L225 Difference]: With dead ends: 189 [2022-11-02 20:33:52,898 INFO L226 Difference]: Without dead ends: 112 [2022-11-02 20:33:52,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:33:52,900 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:33:52,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:33:52,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-02 20:33:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-11-02 20:33:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.1323529411764706) internal successors, (77), 70 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-02 20:33:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2022-11-02 20:33:52,964 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 104 [2022-11-02 20:33:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:33:52,965 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2022-11-02 20:33:52,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:33:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2022-11-02 20:33:52,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-02 20:33:52,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:33:52,968 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:33:53,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:33:53,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:53,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:33:53,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash -814904288, now seen corresponding path program 1 times [2022-11-02 20:33:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:53,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699829017] [2022-11-02 20:33:53,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:53,248 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:33:53,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149096825] [2022-11-02 20:33:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:53,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:33:53,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:53,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:33:53,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:33:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:33:53,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 103 conjunts are in the unsatisfiable core [2022-11-02 20:33:53,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:33:54,247 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 35 [2022-11-02 20:34:18,373 WARN L234 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:34:18,601 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 20:34:18,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 308 [2022-11-02 20:34:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-02 20:34:18,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:23,514 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| Int)) (let ((.cse0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (<= (mod .cse0 18446744073709551616) (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) 0 .cse0)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616)))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| Int)) (let ((.cse3 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (let ((.cse4 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) 0 .cse3)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (<= (mod .cse3 18446744073709551616) (mod (select .cse4 .cse1) 18446744073709551616))) (not (= (mod (select .cse4 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616) 0)))))))) is different from false [2022-11-02 20:34:23,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:23,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699829017] [2022-11-02 20:34:23,916 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:34:23,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149096825] [2022-11-02 20:34:23,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149096825] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:23,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:34:23,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-11-02 20:34:23,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348338996] [2022-11-02 20:34:23,917 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:23,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-02 20:34:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:23,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-02 20:34:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=688, Unknown=5, NotChecked=52, Total=812 [2022-11-02 20:34:23,919 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-02 20:34:25,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:25,993 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2022-11-02 20:34:25,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-02 20:34:25,994 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) Word has length 106 [2022-11-02 20:34:25,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:25,997 INFO L225 Difference]: With dead ends: 134 [2022-11-02 20:34:25,997 INFO L226 Difference]: Without dead ends: 132 [2022-11-02 20:34:25,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=112, Invalid=1147, Unknown=5, NotChecked=68, Total=1332 [2022-11-02 20:34:25,999 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 70 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 742 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:26,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 923 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 959 Invalid, 0 Unknown, 742 Unchecked, 1.5s Time] [2022-11-02 20:34:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-02 20:34:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 121. [2022-11-02 20:34:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 77 states have (on average 1.12987012987013) internal successors, (87), 80 states have internal predecessors, (87), 31 states have call successors, (31), 10 states have call predecessors, (31), 12 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35) [2022-11-02 20:34:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 153 transitions. [2022-11-02 20:34:26,024 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 153 transitions. Word has length 106 [2022-11-02 20:34:26,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:26,025 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 153 transitions. [2022-11-02 20:34:26,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 9 states have call successors, (17), 3 states have call predecessors, (17), 5 states have return successors, (16), 8 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-02 20:34:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2022-11-02 20:34:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-02 20:34:26,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:26,028 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:26,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:26,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:26,246 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:26,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:26,247 INFO L85 PathProgramCache]: Analyzing trace with hash -134845918, now seen corresponding path program 1 times [2022-11-02 20:34:26,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:26,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100976986] [2022-11-02 20:34:26,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:26,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:26,312 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:34:26,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973683011] [2022-11-02 20:34:26,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:26,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:26,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:26,314 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:26,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:34:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:26,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:34:26,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-02 20:34:26,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:34:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:26,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100976986] [2022-11-02 20:34:26,746 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:34:26,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973683011] [2022-11-02 20:34:26,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973683011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:34:26,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:34:26,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:34:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178827234] [2022-11-02 20:34:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:34:26,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:34:26,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:34:26,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:34:26,751 INFO L87 Difference]: Start difference. First operand 121 states and 153 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:34:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:27,086 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2022-11-02 20:34:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:34:27,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 106 [2022-11-02 20:34:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:27,091 INFO L225 Difference]: With dead ends: 220 [2022-11-02 20:34:27,091 INFO L226 Difference]: Without dead ends: 134 [2022-11-02 20:34:27,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:34:27,095 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 16 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:27,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 425 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:34:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-02 20:34:27,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 123. [2022-11-02 20:34:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 79 states have (on average 1.1265822784810127) internal successors, (89), 82 states have internal predecessors, (89), 31 states have call successors, (31), 10 states have call predecessors, (31), 12 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35) [2022-11-02 20:34:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 155 transitions. [2022-11-02 20:34:27,140 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 155 transitions. Word has length 106 [2022-11-02 20:34:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:27,141 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 155 transitions. [2022-11-02 20:34:27,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-02 20:34:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2022-11-02 20:34:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-02 20:34:27,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:27,144 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:27,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:27,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:27,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:27,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:27,371 INFO L85 PathProgramCache]: Analyzing trace with hash 123319520, now seen corresponding path program 1 times [2022-11-02 20:34:27,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:27,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779864104] [2022-11-02 20:34:27,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:27,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:27,433 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:34:27,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1095711496] [2022-11-02 20:34:27,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:27,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:27,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:27,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:34:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:27,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 138 conjunts are in the unsatisfiable core [2022-11-02 20:34:27,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:28,007 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-02 20:34:28,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-02 20:34:29,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-02 20:34:31,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 52 [2022-11-02 20:34:33,423 WARN L855 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_977 Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_977)))) is different from true [2022-11-02 20:34:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 51 trivial. 6 not checked. [2022-11-02 20:34:47,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:34:49,345 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13| Int) (v_ArrVal_985 Int)) (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13| (store (select |c_#memory_int| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_13|) 0 v_ArrVal_985)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) 18446744073709551616) 0)) is different from false [2022-11-02 20:34:49,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:34:49,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779864104] [2022-11-02 20:34:49,348 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:34:49,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095711496] [2022-11-02 20:34:49,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095711496] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:34:49,349 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:34:49,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-11-02 20:34:49,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610088437] [2022-11-02 20:34:49,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 20:34:49,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-02 20:34:49,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:34:49,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-02 20:34:49,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=445, Unknown=6, NotChecked=86, Total=600 [2022-11-02 20:34:49,351 INFO L87 Difference]: Start difference. First operand 123 states and 155 transitions. Second operand has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:34:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:34:59,123 INFO L93 Difference]: Finished difference Result 286 states and 356 transitions. [2022-11-02 20:34:59,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 20:34:59,124 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) Word has length 106 [2022-11-02 20:34:59,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:34:59,128 INFO L225 Difference]: With dead ends: 286 [2022-11-02 20:34:59,128 INFO L226 Difference]: Without dead ends: 193 [2022-11-02 20:34:59,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=140, Invalid=984, Unknown=6, NotChecked=130, Total=1260 [2022-11-02 20:34:59,130 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 143 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1039 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:34:59,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 901 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1061 Invalid, 0 Unknown, 1039 Unchecked, 4.4s Time] [2022-11-02 20:34:59,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-02 20:34:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 176. [2022-11-02 20:34:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 112 states have (on average 1.1071428571428572) internal successors, (124), 118 states have internal predecessors, (124), 43 states have call successors, (43), 15 states have call predecessors, (43), 20 states have return successors, (53), 42 states have call predecessors, (53), 41 states have call successors, (53) [2022-11-02 20:34:59,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 220 transitions. [2022-11-02 20:34:59,163 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 220 transitions. Word has length 106 [2022-11-02 20:34:59,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:34:59,164 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 220 transitions. [2022-11-02 20:34:59,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 2.3181818181818183) internal successors, (51), 21 states have internal predecessors, (51), 10 states have call successors, (18), 5 states have call predecessors, (18), 8 states have return successors, (17), 11 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:34:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 220 transitions. [2022-11-02 20:34:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:34:59,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:34:59,167 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:34:59,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:34:59,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-02 20:34:59,394 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:34:59,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:34:59,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1358926198, now seen corresponding path program 1 times [2022-11-02 20:34:59,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:34:59,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372485449] [2022-11-02 20:34:59,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:59,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:34:59,448 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:34:59,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920368063] [2022-11-02 20:34:59,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:34:59,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:34:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:34:59,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:34:59,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:34:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:34:59,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-02 20:34:59,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:34:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 45 proven. 18 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-02 20:34:59,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-02 20:35:00,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:00,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372485449] [2022-11-02 20:35:00,536 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:00,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920368063] [2022-11-02 20:35:00,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920368063] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:35:00,537 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:35:00,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2022-11-02 20:35:00,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458036520] [2022-11-02 20:35:00,538 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:00,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-02 20:35:00,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:00,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-02 20:35:00,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:00,540 INFO L87 Difference]: Start difference. First operand 176 states and 220 transitions. Second operand has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-02 20:35:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:01,163 INFO L93 Difference]: Finished difference Result 281 states and 344 transitions. [2022-11-02 20:35:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:35:01,164 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) Word has length 112 [2022-11-02 20:35:01,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:01,165 INFO L225 Difference]: With dead ends: 281 [2022-11-02 20:35:01,165 INFO L226 Difference]: Without dead ends: 176 [2022-11-02 20:35:01,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2022-11-02 20:35:01,167 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 9 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:01,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1796 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:35:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2022-11-02 20:35:01,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2022-11-02 20:35:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 111 states have (on average 1.1081081081081081) internal successors, (123), 117 states have internal predecessors, (123), 42 states have call successors, (42), 15 states have call predecessors, (42), 20 states have return successors, (50), 41 states have call predecessors, (50), 40 states have call successors, (50) [2022-11-02 20:35:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 215 transitions. [2022-11-02 20:35:01,195 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 215 transitions. Word has length 112 [2022-11-02 20:35:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:01,196 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 215 transitions. [2022-11-02 20:35:01,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 4.176470588235294) internal successors, (71), 14 states have internal predecessors, (71), 5 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (23), 7 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-02 20:35:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 215 transitions. [2022-11-02 20:35:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:35:01,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:01,215 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:01,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:01,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:01,416 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:01,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:01,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1994785802, now seen corresponding path program 2 times [2022-11-02 20:35:01,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:01,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121727466] [2022-11-02 20:35:01,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:01,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:01,509 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:01,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747788565] [2022-11-02 20:35:01,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:35:01,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:01,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:01,522 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:01,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 20:35:02,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:35:02,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:35:02,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-02 20:35:02,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-02 20:35:02,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:02,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:02,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121727466] [2022-11-02 20:35:02,298 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:02,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747788565] [2022-11-02 20:35:02,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747788565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:02,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:02,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:35:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881629630] [2022-11-02 20:35:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:02,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:35:02,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:02,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:35:02,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:35:02,301 INFO L87 Difference]: Start difference. First operand 174 states and 215 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-02 20:35:02,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:02,707 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2022-11-02 20:35:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:35:02,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 112 [2022-11-02 20:35:02,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:02,710 INFO L225 Difference]: With dead ends: 316 [2022-11-02 20:35:02,710 INFO L226 Difference]: Without dead ends: 159 [2022-11-02 20:35:02,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:35:02,712 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 28 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:02,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 864 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:35:02,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-02 20:35:02,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-11-02 20:35:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 101 states have (on average 1.099009900990099) internal successors, (111), 107 states have internal predecessors, (111), 39 states have call successors, (39), 14 states have call predecessors, (39), 18 states have return successors, (46), 37 states have call predecessors, (46), 37 states have call successors, (46) [2022-11-02 20:35:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 196 transitions. [2022-11-02 20:35:02,738 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 196 transitions. Word has length 112 [2022-11-02 20:35:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:02,738 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 196 transitions. [2022-11-02 20:35:02,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-02 20:35:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 196 transitions. [2022-11-02 20:35:02,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-02 20:35:02,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:02,741 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:02,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:02,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:02,966 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:02,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:02,967 INFO L85 PathProgramCache]: Analyzing trace with hash 945169320, now seen corresponding path program 1 times [2022-11-02 20:35:02,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:02,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233947529] [2022-11-02 20:35:02,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:02,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:03,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:03,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026201275] [2022-11-02 20:35:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:03,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:03,033 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:03,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 20:35:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:03,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-02 20:35:03,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:03,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:35:03,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-11-02 20:35:42,315 WARN L234 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-02 20:35:43,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 353 [2022-11-02 20:35:43,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 277 [2022-11-02 20:35:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-11-02 20:35:44,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:35:52,777 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (.cse1 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8))) (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (= (mod (select .cse0 .cse1) 18446744073709551616) 0) (not (= (mod (select .cse0 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616) 0))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (let ((.cse4 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| .cse2))) (let ((.cse3 (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 .cse4)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616))) (or (= .cse3 0) (<= (mod .cse4 18446744073709551616) .cse3))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_22| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| Int)) (or (= (mod (select (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_32| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616) 0) (forall ((v_ArrVal_1436 Int)) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_22| (store (select |c_#memory_$Pointer$.base| |v_aws_array_list_is_valid_~#required_size~0.base_22|) 0 v_ArrVal_1436)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 32 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) 0))))))) is different from false [2022-11-02 20:35:52,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233947529] [2022-11-02 20:35:52,782 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:52,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026201275] [2022-11-02 20:35:52,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026201275] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:35:52,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:35:52,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2022-11-02 20:35:52,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477943752] [2022-11-02 20:35:52,783 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 20:35:52,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-02 20:35:52,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:52,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-02 20:35:52,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=915, Unknown=5, NotChecked=60, Total=1056 [2022-11-02 20:35:52,785 INFO L87 Difference]: Start difference. First operand 159 states and 196 transitions. Second operand has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:35:54,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:54,915 INFO L93 Difference]: Finished difference Result 192 states and 244 transitions. [2022-11-02 20:35:54,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-02 20:35:54,916 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) Word has length 113 [2022-11-02 20:35:54,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:54,918 INFO L225 Difference]: With dead ends: 192 [2022-11-02 20:35:54,918 INFO L226 Difference]: Without dead ends: 190 [2022-11-02 20:35:54,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 39.9s TimeCoverageRelationStatistics Valid=131, Invalid=1590, Unknown=5, NotChecked=80, Total=1806 [2022-11-02 20:35:54,920 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 127 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1195 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:54,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1328 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1314 Invalid, 0 Unknown, 1195 Unchecked, 1.6s Time] [2022-11-02 20:35:54,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-11-02 20:35:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 155. [2022-11-02 20:35:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.1020408163265305) internal successors, (108), 103 states have internal predecessors, (108), 39 states have call successors, (39), 14 states have call predecessors, (39), 17 states have return successors, (44), 37 states have call predecessors, (44), 37 states have call successors, (44) [2022-11-02 20:35:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 191 transitions. [2022-11-02 20:35:54,951 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 191 transitions. Word has length 113 [2022-11-02 20:35:54,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:54,951 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 191 transitions. [2022-11-02 20:35:54,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 1.88) internal successors, (47), 24 states have internal predecessors, (47), 10 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (17), 10 states have call predecessors, (17), 9 states have call successors, (17) [2022-11-02 20:35:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2022-11-02 20:35:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:35:54,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:54,954 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:54,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:55,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:35:55,170 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:55,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:55,171 INFO L85 PathProgramCache]: Analyzing trace with hash -407885584, now seen corresponding path program 1 times [2022-11-02 20:35:55,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:55,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920065304] [2022-11-02 20:35:55,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:55,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:55,222 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:55,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003444389] [2022-11-02 20:35:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:55,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:55,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:55,231 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:55,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 20:35:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:55,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-02 20:35:55,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:55,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:35:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-02 20:35:55,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:55,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:55,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920065304] [2022-11-02 20:35:55,904 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:35:55,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003444389] [2022-11-02 20:35:55,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003444389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:55,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:55,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-02 20:35:55,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419713923] [2022-11-02 20:35:55,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:55,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-02 20:35:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-02 20:35:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:35:55,906 INFO L87 Difference]: Start difference. First operand 155 states and 191 transitions. Second operand has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-02 20:35:56,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:56,938 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2022-11-02 20:35:56,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:35:56,939 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) Word has length 110 [2022-11-02 20:35:56,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:56,941 INFO L225 Difference]: With dead ends: 273 [2022-11-02 20:35:56,941 INFO L226 Difference]: Without dead ends: 181 [2022-11-02 20:35:56,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:35:56,942 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 145 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:56,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 489 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 734 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 20:35:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-02 20:35:56,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 155. [2022-11-02 20:35:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 98 states have (on average 1.1020408163265305) internal successors, (108), 103 states have internal predecessors, (108), 39 states have call successors, (39), 14 states have call predecessors, (39), 17 states have return successors, (44), 37 states have call predecessors, (44), 37 states have call successors, (44) [2022-11-02 20:35:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 191 transitions. [2022-11-02 20:35:56,982 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 191 transitions. Word has length 110 [2022-11-02 20:35:56,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:56,985 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 191 transitions. [2022-11-02 20:35:56,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 7 states have call successors, (18), 3 states have call predecessors, (18), 4 states have return successors, (17), 7 states have call predecessors, (17), 6 states have call successors, (17) [2022-11-02 20:35:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 191 transitions. [2022-11-02 20:35:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-02 20:35:56,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:56,994 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:35:57,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:57,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:57,198 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:57,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:57,199 INFO L85 PathProgramCache]: Analyzing trace with hash 416118482, now seen corresponding path program 1 times [2022-11-02 20:35:57,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:57,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275054645] [2022-11-02 20:35:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:57,258 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:35:57,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152384303] [2022-11-02 20:35:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:35:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:57,262 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:35:57,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 20:35:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:57,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-02 20:35:57,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:57,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-02 20:35:57,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-02 20:35:59,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2022-11-02 20:36:04,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 51 [2022-11-02 20:36:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-02 20:36:11,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:36:17,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:36:17,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275054645] [2022-11-02 20:36:17,018 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 20:36:17,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152384303] [2022-11-02 20:36:17,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152384303] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:36:17,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:36:17,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-11-02 20:36:17,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016290483] [2022-11-02 20:36:17,018 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-02 20:36:17,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 20:36:17,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:36:17,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:36:17,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=319, Unknown=7, NotChecked=0, Total=380 [2022-11-02 20:36:17,020 INFO L87 Difference]: Start difference. First operand 155 states and 191 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 10 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2022-11-02 20:36:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:36:45,854 INFO L93 Difference]: Finished difference Result 283 states and 353 transitions. [2022-11-02 20:36:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-02 20:36:45,855 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 10 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) Word has length 119 [2022-11-02 20:36:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:36:45,857 INFO L225 Difference]: With dead ends: 283 [2022-11-02 20:36:45,857 INFO L226 Difference]: Without dead ends: 191 [2022-11-02 20:36:45,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=130, Invalid=783, Unknown=17, NotChecked=0, Total=930 [2022-11-02 20:36:45,859 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 109 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 190 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:36:45,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 622 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1025 Invalid, 0 Unknown, 190 Unchecked, 2.1s Time] [2022-11-02 20:36:45,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-02 20:36:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 163. [2022-11-02 20:36:45,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 104 states have (on average 1.0961538461538463) internal successors, (114), 110 states have internal predecessors, (114), 39 states have call successors, (39), 15 states have call predecessors, (39), 19 states have return successors, (46), 37 states have call predecessors, (46), 37 states have call successors, (46) [2022-11-02 20:36:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2022-11-02 20:36:45,890 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 119 [2022-11-02 20:36:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:36:45,890 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2022-11-02 20:36:45,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 15 states have internal predecessors, (48), 10 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 10 states have call predecessors, (18), 9 states have call successors, (18) [2022-11-02 20:36:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2022-11-02 20:36:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-02 20:36:45,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:45,893 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:45,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:46,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:36:46,098 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:46,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:46,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1400716810, now seen corresponding path program 1 times [2022-11-02 20:36:46,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:46,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001851823] [2022-11-02 20:36:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:46,143 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 20:36:46,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750843583] [2022-11-02 20:36:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:46,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:36:46,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:46,146 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:36:46,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 20:36:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:46,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:47,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:47,594 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:36:47,595 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:36:47,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:47,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-02 20:36:47,826 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:47,829 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:36:47,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:36:47 BoogieIcfgContainer [2022-11-02 20:36:47,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:36:47,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:47,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:47,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:47,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:34" (3/4) ... [2022-11-02 20:36:47,977 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:36:47,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:47,978 INFO L158 Benchmark]: Toolchain (without parser) took 197658.01ms. Allocated memory was 111.1MB in the beginning and 184.5MB in the end (delta: 73.4MB). Free memory was 64.6MB in the beginning and 64.0MB in the end (delta: 636.8kB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,978 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:47,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2768.81ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 64.4MB in the beginning and 104.7MB in the end (delta: -40.3MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.34ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 98.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,980 INFO L158 Benchmark]: Boogie Preprocessor took 86.09ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 95.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,983 INFO L158 Benchmark]: RCFGBuilder took 953.92ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 64.9MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,987 INFO L158 Benchmark]: TraceAbstraction took 193686.64ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 64.9MB in the beginning and 65.1MB in the end (delta: -181.8kB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,989 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 184.5MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:47,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2768.81ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 64.4MB in the beginning and 104.7MB in the end (delta: -40.3MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.34ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 98.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.09ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 95.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 953.92ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 64.9MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 193686.64ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 64.9MB in the beginning and 65.1MB in the end (delta: -181.8kB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 184.5MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; VAL [s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={8:0}, r={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={8:0}, r={8:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=18446744073709551616, initial_item_allocation=9223372036854775808, item_size=2, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=18446744073709551616, bounded_malloc(len)={6:0}, initial_item_allocation=9223372036854775808, item_size=2, len={8:0}, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={6:0}, array={6:0}, s_can_fail_allocator_static={5:0}, size=0, storage={9:0}, storage={9:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={14:8}, r={14:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={14:8}, r={14:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={14:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={14:0}, list={14:0}, list->item_size=2, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, \result=511, a=0, b=2, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=511, a=0, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err VAL [\old(err)=4, \old(tl_last_error)=0, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L1996] RET aws_raise_error_private(err) [L1998] return (-1); VAL [\old(err)=4, \old(tl_last_error)=0, \result=-1, err=4, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={14:0}, list={14:0}, list->item_size=2, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) VAL [\old(tl_last_error)=0, current_size_is_valid=1, list={14:0}, list={14:0}, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={6:0}, required_size={12:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=0, \old(tl_last_error)=0, current_size_is_valid=1, list={14:0}, list={14:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={6:0}, required_size={12:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) VAL [(((list->current_size)) == 0) || ((list->data))=1, (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))=1, \old(tl_last_error)=0, current_size_is_valid=1, list={14:0}, list={14:0}, list->current_size=18446744073709551616, list->current_size=18446744073709551616, list->current_size == 0 && list->data == ((void *)0)=0, list->data={6:0}, required_size={12:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={14:0}, list={14:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={14:0}, list={14:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 193.4s, OverallIterations: 13, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 47.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 988 SdHoareTripleChecker+Valid, 13.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 911 mSDsluCounter, 8846 SdHoareTripleChecker+Invalid, 11.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3676 IncrementalHoareTripleChecker+Unchecked, 7426 mSDsCounter, 688 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6681 IncrementalHoareTripleChecker+Invalid, 11045 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 688 mSolverCounterUnsat, 1420 mSDtfsCounter, 6681 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1470 GetRequests, 1238 SyntacticMatches, 10 SemanticMatches, 222 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 149.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=7, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 197 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 135.3s InterpolantComputationTime, 1471 NumberOfCodeBlocks, 1471 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1369 ConstructedInterpolants, 62 QuantifiedInterpolants, 7079 SizeOfPredicates, 229 NumberOfNonLiveVariables, 8439 ConjunctsInSsa, 648 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 2062/2259 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:36:48,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- 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-5e519f3 [2022-11-02 20:36:50,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:50,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:50,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:50,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:50,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:50,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:50,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:50,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:50,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:50,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:50,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:50,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:50,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:50,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:50,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:50,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:50,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:50,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:50,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:50,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:50,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:50,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:50,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:50,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:50,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:50,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:50,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:50,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:50,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:50,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:50,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:50,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:50,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:50,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:50,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:50,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:50,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:50,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:50,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:50,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:50,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:36:50,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:50,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:50,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:50,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:50,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:36:50,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:36:50,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:50,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:50,943 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:50,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:50,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:50,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:36:50,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:36:50,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:36:50,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:36:50,946 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:36:50,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:36:50,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:50,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:50,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:36:50,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:50,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:50,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:50,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:50,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:36:50,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:36:50,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:36:50,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:36:50,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:36:50,952 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-02 20:36:51,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:51,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:51,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:51,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:51,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:51,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-02 20:36:51,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/7859273f6/1ec4f7490c4348aea184809a430be17f/FLAG0f85b69b8 [2022-11-02 20:36:52,554 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:52,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-02 20:36:52,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/7859273f6/1ec4f7490c4348aea184809a430be17f/FLAG0f85b69b8 [2022-11-02 20:36:52,624 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/data/7859273f6/1ec4f7490c4348aea184809a430be17f [2022-11-02 20:36:52,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:52,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:52,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:52,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:52,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:52,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:52" (1/1) ... [2022-11-02 20:36:52,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f523024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:52, skipping insertion in model container [2022-11-02 20:36:52,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:52" (1/1) ... [2022-11-02 20:36:52,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:52,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:53,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-02 20:36:53,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-02 20:36:54,343 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:36:54,460 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,461 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,462 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,466 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,468 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,505 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,507 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,510 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,514 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,516 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,518 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,519 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,522 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:54,991 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:36:54,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:36:54,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:36:54,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:36:54,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:36:54,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:36:54,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:36:55,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:36:55,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:36:55,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:36:55,190 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,200 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:55,249 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 20:36:55,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:55,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-02 20:36:55,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-02 20:36:55,366 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:36:55,397 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,410 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,411 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,411 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,412 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,422 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,423 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,424 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,425 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,426 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,427 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,428 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,429 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:36:55,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:36:55,476 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:36:55,477 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:36:55,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:36:55,479 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:36:55,480 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:36:55,481 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:36:55,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:36:55,482 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:36:55,561 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,568 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:55,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:55,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-02 20:36:55,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-02 20:36:55,638 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:36:55,655 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,656 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,656 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,657 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,658 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,665 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,666 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,667 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,668 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,669 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,670 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,670 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,671 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,708 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:36:55,709 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:36:55,710 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:36:55,711 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:36:55,712 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:36:55,713 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:36:55,714 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:36:55,714 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:36:55,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:36:55,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:36:55,745 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,751 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:36:55,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:56,055 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:56,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56 WrapperNode [2022-11-02 20:36:56,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:56,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:56,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:56,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:56,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,245 INFO L138 Inliner]: procedures = 700, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 155 [2022-11-02 20:36:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:56,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:56,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:56,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:56,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,350 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:56,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:56,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:56,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:56,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (1/1) ... [2022-11-02 20:36:56,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:36:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:56,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:36:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-02 20:36:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-02 20:36:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:36:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-02 20:36:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 20:36:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 20:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:36:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:36:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:36:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:36:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 20:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-02 20:36:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-02 20:36:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 20:36:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-02 20:36:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-02 20:36:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:36:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:36:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:36:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:36:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 20:36:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 20:36:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:36:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-02 20:36:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-02 20:36:56,500 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 20:36:56,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 20:36:57,044 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:57,047 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:58,953 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:58,972 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:58,983 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:36:58,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:58 BoogieIcfgContainer [2022-11-02 20:36:58,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:58,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:36:58,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:36:58,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:36:58,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:36:52" (1/3) ... [2022-11-02 20:36:58,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b05f051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:58, skipping insertion in model container [2022-11-02 20:36:58,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:56" (2/3) ... [2022-11-02 20:36:58,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b05f051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:36:58, skipping insertion in model container [2022-11-02 20:36:58,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:58" (3/3) ... [2022-11-02 20:36:59,000 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-02 20:36:59,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:36:59,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:36:59,107 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:36:59,120 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;@590a21ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:36:59,120 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:36:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-02 20:36:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-02 20:36:59,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:36:59,150 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:36:59,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:36:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:59,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-11-02 20:36:59,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:36:59,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510910637] [2022-11-02 20:36:59,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:59,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:36:59,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:36:59,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:36:59,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:36:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:59,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-02 20:36:59,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:37:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-02 20:37:00,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:37:00,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:37:00,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510910637] [2022-11-02 20:37:00,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510910637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:00,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:00,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:37:00,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438494829] [2022-11-02 20:37:00,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:00,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:37:00,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:37:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:37:00,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:37:00,064 INFO L87 Difference]: Start difference. First operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 20:37:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:00,141 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-11-02 20:37:00,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:37:00,144 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2022-11-02 20:37:00,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:00,162 INFO L225 Difference]: With dead ends: 205 [2022-11-02 20:37:00,163 INFO L226 Difference]: Without dead ends: 96 [2022-11-02 20:37:00,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:37:00,205 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:00,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:37:00,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-02 20:37:00,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-02 20:37:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-02 20:37:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-11-02 20:37:00,264 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-11-02 20:37:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:00,264 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-11-02 20:37:00,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 20:37:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-11-02 20:37:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-02 20:37:00,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:00,270 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:00,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-02 20:37:00,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:37:00,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:00,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-11-02 20:37:00,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:37:00,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886293391] [2022-11-02 20:37:00,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:00,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:37:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:37:00,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:37:00,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:37:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:01,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:37:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:37:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-02 20:37:01,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:37:01,695 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:37:01,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886293391] [2022-11-02 20:37:01,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886293391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:01,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:01,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:37:01,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836637573] [2022-11-02 20:37:01,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:01,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:37:01,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:37:01,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:37:01,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:01,701 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 20:37:03,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:37:04,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:04,287 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-11-02 20:37:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:37:04,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 88 [2022-11-02 20:37:04,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:04,294 INFO L225 Difference]: With dead ends: 165 [2022-11-02 20:37:04,295 INFO L226 Difference]: Without dead ends: 98 [2022-11-02 20:37:04,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:37:04,297 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:04,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 475 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-02 20:37:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-02 20:37:04,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-02 20:37:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-02 20:37:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2022-11-02 20:37:04,320 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 88 [2022-11-02 20:37:04,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:04,321 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2022-11-02 20:37:04,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 20:37:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2022-11-02 20:37:04,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-02 20:37:04,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:04,324 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-02 20:37:04,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:37:04,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:37:04,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:04,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:04,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-11-02 20:37:04,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:37:04,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401315341] [2022-11-02 20:37:04,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:04,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:37:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:37:04,558 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:37:04,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31c911d-8603-47ef-a18d-9b8a1e73f10f/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:37:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:07,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-02 20:37:07,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:37:07,583 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 70 treesize of output 95 [2022-11-02 20:37:15,914 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1|)) (.cse0 (bvmul |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2|))) (and (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= (select .cse1 (_ bv1 64)) ((_ extract 15 8) .cse0)) (= (select .cse1 (_ bv2 64)) ((_ extract 23 16) .cse0)) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= (select .cse1 (_ bv0 64)) ((_ extract 7 0) .cse0)) (= (select .cse1 (_ bv3 64)) ((_ extract 31 24) .cse0)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv2 64)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv0 64))))) is different from true