./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:08:04,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:08:04,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:08:04,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:08:04,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:08:04,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:08:04,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:08:04,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:08:04,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:08:04,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:08:04,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:08:04,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:08:04,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:08:04,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:08:04,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:08:04,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:08:04,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:08:04,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:08:04,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:08:04,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:08:04,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:08:04,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:08:04,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:08:04,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:08:04,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:08:04,515 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:08:04,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:08:04,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:08:04,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:08:04,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:08:04,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:08:04,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:08:04,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:08:04,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:08:04,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:08:04,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:08:04,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:08:04,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:08:04,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:08:04,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:08:04,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:08:04,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:08:04,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:08:04,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:08:04,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:08:04,546 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:08:04,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:08:04,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:08:04,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:08:04,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:08:04,548 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:08:04,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:08:04,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:08:04,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:08:04,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:08:04,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:08:04,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:08:04,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:08:04,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:08:04,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:08:04,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:08:04,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:08:04,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:08:04,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:08:04,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:08:04,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:08:04,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:08:04,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:08:04,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:08:04,552 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:08:04,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:08:04,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:08:04,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:08:04,552 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_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be41ee8ace02416f2e9952c11df8cb43e10a04c126211792ad12271f5624b8e0 [2021-12-06 22:08:04,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:08:04,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:08:04,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:08:04,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:08:04,771 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:08:04,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-12-06 22:08:04,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/data/4c7b8b57f/d9a9648b9f56449592f6dc5881a672e0/FLAG1c1631489 [2021-12-06 22:08:05,350 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:08:05,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i [2021-12-06 22:08:05,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/data/4c7b8b57f/d9a9648b9f56449592f6dc5881a672e0/FLAG1c1631489 [2021-12-06 22:08:05,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/data/4c7b8b57f/d9a9648b9f56449592f6dc5881a672e0 [2021-12-06 22:08:05,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:08:05,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:08:05,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:05,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:08:05,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:08:05,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:05" (1/1) ... [2021-12-06 22:08:05,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5f743d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:05, skipping insertion in model container [2021-12-06 22:08:05,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:05" (1/1) ... [2021-12-06 22:08:05,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:08:05,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:08:06,056 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_ded193ed-5202-43bc-a184-4e710d1e76df/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-12-06 22:08:06,061 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_ded193ed-5202-43bc-a184-4e710d1e76df/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-12-06 22:08:06,608 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,609 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,610 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,611 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,620 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,621 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,622 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,623 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,624 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,625 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:06,855 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:08:06,856 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:08:06,857 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:08:06,858 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:08:06,859 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:08:06,859 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:08:06,860 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:08:06,860 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:08:06,861 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:08:06,861 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:08:06,959 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:08:06,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:06,982 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:08:06,992 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_ded193ed-5202-43bc-a184-4e710d1e76df/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4490,4503] [2021-12-06 22:08:06,992 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_ded193ed-5202-43bc-a184-4e710d1e76df/sv-benchmarks/c/aws-c-common/aws_string_bytes_harness.i[4550,4563] [2021-12-06 22:08:07,037 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,038 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,044 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,045 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,055 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,055 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,056 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,057 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,058 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-06 22:08:07,097 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-06 22:08:07,098 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-06 22:08:07,099 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-06 22:08:07,100 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-06 22:08:07,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-06 22:08:07,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-06 22:08:07,101 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-06 22:08:07,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-06 22:08:07,102 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-06 22:08:07,103 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-06 22:08:07,122 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-06 22:08:07,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:07,261 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:08:07,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07 WrapperNode [2021-12-06 22:08:07,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:07,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:07,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:08:07,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:08:07,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,344 INFO L137 Inliner]: procedures = 679, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 60 [2021-12-06 22:08:07,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:07,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:08:07,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:08:07,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:08:07,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:08:07,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:08:07,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:08:07,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:08:07,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (1/1) ... [2021-12-06 22:08:07,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:08:07,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:07,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:07,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:08:07,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-12-06 22:08:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-06 22:08:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-06 22:08:07,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:08:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-06 22:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2021-12-06 22:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:08:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:08:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-06 22:08:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-06 22:08:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-06 22:08:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-06 22:08:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:08:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:08:07,561 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:08:07,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:08:07,683 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:08:07,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:08:07,688 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:08:07,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:07 BoogieIcfgContainer [2021-12-06 22:08:07,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:08:07,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:08:07,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:08:07,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:08:07,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:08:05" (1/3) ... [2021-12-06 22:08:07,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70be1f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:08:07, skipping insertion in model container [2021-12-06 22:08:07,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:07" (2/3) ... [2021-12-06 22:08:07,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70be1f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:08:07, skipping insertion in model container [2021-12-06 22:08:07,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:07" (3/3) ... [2021-12-06 22:08:07,695 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness.i [2021-12-06 22:08:07,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:08:07,699 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:08:07,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:08:07,737 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:08:07,737 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:08:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 22:08:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 22:08:07,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:08:07,755 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:07,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:08:07,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:07,760 INFO L85 PathProgramCache]: Analyzing trace with hash 26650354, now seen corresponding path program 1 times [2021-12-06 22:08:07,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:07,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502742028] [2021-12-06 22:08:07,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:07,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:08:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:08:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:08:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:08:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 22:08:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 22:08:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:08:08,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:08,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502742028] [2021-12-06 22:08:08,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502742028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:08,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:08,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-06 22:08:08,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045582417] [2021-12-06 22:08:08,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:08,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 22:08:08,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:08,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 22:08:08,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-12-06 22:08:08,445 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.146341463414634) internal successors, (47), 42 states have internal predecessors, (47), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-12-06 22:08:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:08,867 INFO L93 Difference]: Finished difference Result 128 states and 154 transitions. [2021-12-06 22:08:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:08:08,869 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 55 [2021-12-06 22:08:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:08:08,877 INFO L225 Difference]: With dead ends: 128 [2021-12-06 22:08:08,878 INFO L226 Difference]: Without dead ends: 58 [2021-12-06 22:08:08,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:08:08,883 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 86 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:08:08,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 406 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 22:08:08,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-12-06 22:08:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-12-06 22:08:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.054054054054054) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 22:08:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2021-12-06 22:08:08,921 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 55 [2021-12-06 22:08:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:08:08,922 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2021-12-06 22:08:08,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 15 states have internal predecessors, (32), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2021-12-06 22:08:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2021-12-06 22:08:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 22:08:08,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:08:08,925 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:08,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:08:08,925 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:08:08,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:08,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1047718708, now seen corresponding path program 1 times [2021-12-06 22:08:08,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:08,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905248205] [2021-12-06 22:08:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:08,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:08:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:08:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:08:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:08:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 22:08:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 22:08:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-06 22:08:09,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:09,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905248205] [2021-12-06 22:08:09,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905248205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:09,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:09,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-12-06 22:08:09,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196166405] [2021-12-06 22:08:09,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:09,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 22:08:09,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:09,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 22:08:09,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-12-06 22:08:09,296 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 22:08:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:09,571 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2021-12-06 22:08:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 22:08:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2021-12-06 22:08:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:08:09,573 INFO L225 Difference]: With dead ends: 64 [2021-12-06 22:08:09,573 INFO L226 Difference]: Without dead ends: 60 [2021-12-06 22:08:09,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:08:09,575 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 51 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:08:09,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 363 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:08:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-12-06 22:08:09,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2021-12-06 22:08:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 12 states have call successors, (12), 9 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 22:08:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 63 transitions. [2021-12-06 22:08:09,583 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 63 transitions. Word has length 55 [2021-12-06 22:08:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:08:09,583 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 63 transitions. [2021-12-06 22:08:09,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 11 states have internal predecessors, (32), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2021-12-06 22:08:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2021-12-06 22:08:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-06 22:08:09,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:08:09,586 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:09,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:08:09,586 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:08:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:09,586 INFO L85 PathProgramCache]: Analyzing trace with hash -776855734, now seen corresponding path program 1 times [2021-12-06 22:08:09,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:09,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883824557] [2021-12-06 22:08:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:09,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:08:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 22:08:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:08:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:08:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 22:08:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:08:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-06 22:08:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 22:08:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 22:08:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 22:08:09,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:09,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883824557] [2021-12-06 22:08:09,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883824557] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:08:09,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982494285] [2021-12-06 22:08:09,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:09,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:08:09,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:09,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:08:09,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:08:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:10,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 96 conjunts are in the unsatisfiable core [2021-12-06 22:08:10,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:10,136 INFO L388 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 6 treesize of output 5 [2021-12-06 22:08:12,540 INFO L354 Elim1Store]: treesize reduction 168, result has 24.0 percent of original size [2021-12-06 22:08:12,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 176 treesize of output 160 [2021-12-06 22:08:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 22:08:13,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:08:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 22:08:24,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982494285] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:08:24,020 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:08:24,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 29, 20] total 55 [2021-12-06 22:08:24,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988423674] [2021-12-06 22:08:24,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:08:24,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2021-12-06 22:08:24,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-12-06 22:08:24,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2802, Unknown=2, NotChecked=0, Total=2970 [2021-12-06 22:08:24,023 INFO L87 Difference]: Start difference. First operand 60 states and 63 transitions. Second operand has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2021-12-06 22:08:24,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:24,465 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2021-12-06 22:08:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:08:24,465 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) Word has length 69 [2021-12-06 22:08:24,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:08:24,465 INFO L225 Difference]: With dead ends: 64 [2021-12-06 22:08:24,465 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:08:24,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 109 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=207, Invalid=3573, Unknown=2, NotChecked=0, Total=3782 [2021-12-06 22:08:24,468 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 30 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:08:24,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 297 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 276 Invalid, 0 Unknown, 30 Unchecked, 0.2s Time] [2021-12-06 22:08:24,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:08:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:08:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:08:24,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-12-06 22:08:24,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:08:24,469 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:08:24,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 45 states have (on average 2.3333333333333335) internal successors, (105), 40 states have internal predecessors, (105), 16 states have call successors, (28), 6 states have call predecessors, (28), 14 states have return successors, (27), 17 states have call predecessors, (27), 14 states have call successors, (27) [2021-12-06 22:08:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:08:24,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:08:24,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:08:24,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:24,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:08:24,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:08:24,833 INFO L858 garLoopResultBuilder]: For program point L6927-1(lines 6927 6929) no Hoare annotation was computed. [2021-12-06 22:08:24,833 INFO L854 garLoopResultBuilder]: At program point L6927(lines 6927 6929) the Hoare annotation is: (and (= |bounded_malloc_#in~size| bounded_malloc_~size) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-06 22:08:24,833 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6926 6931) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-06 22:08:24,833 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6926 6931) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6926 6931) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-06 22:08:24,834 INFO L861 garLoopResultBuilder]: At program point aws_string_bytesENTRY(lines 6292 6296) the Hoare annotation is: true [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesEXIT(lines 6292 6296) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L861 garLoopResultBuilder]: At program point L6294(line 6294) the Hoare annotation is: true [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point aws_string_bytesFINAL(lines 6292 6296) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L861 garLoopResultBuilder]: At program point L6294-1(line 6294) the Hoare annotation is: true [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point L6294-2(line 6294) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-06 22:08:24,834 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-06 22:08:24,834 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6933 6935) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6933 6935) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6933 6935) the Hoare annotation is: true [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point L6306-3(line 6306) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point L6306-2(line 6306) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L861 garLoopResultBuilder]: At program point aws_string_is_validENTRY(lines 6302 6307) the Hoare annotation is: true [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point L6306-5(line 6306) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validFINAL(lines 6302 6307) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6302 6307) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-06 22:08:24,835 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-06 22:08:24,835 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L6846(line 6846) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (< 0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616))) [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point L6854-5(lines 6854 6855) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point L7261-2(line 7261) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point L7259(lines 7259 7263) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L7261-1(line 7261) the Hoare annotation is: false [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point L6846-1(line 6846) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L7261(line 7261) the Hoare annotation is: false [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L6859(lines 6850 6860) the Hoare annotation is: false [2021-12-06 22:08:24,836 INFO L858 garLoopResultBuilder]: For program point L6851-1(line 6851) no Hoare annotation was computed. [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L6851(line 6851) the Hoare annotation is: (and (<= (+ (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_~len#1| (- 1)) 36893488147419103231) 18446744073709551616)) |ULTIMATE.start_ensure_string_is_allocated_~len#1|) 18446744073710786164) (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (let ((.cse0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616))) (<= (+ |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (* 18446744073709551616 (div (+ (* |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~len~1#1| (- 1)) 36893488147419103231 (* .cse0 18446744073709551616)) 18446744073709551616))) (+ (* 18446744073709551616 .cse0) 18446744073710786164))) (< 0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616))) [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L7262(line 7262) the Hoare annotation is: false [2021-12-06 22:08:24,836 INFO L854 garLoopResultBuilder]: At program point L6847(lines 6844 6848) the Hoare annotation is: false [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L7264(line 7264) the Hoare annotation is: (and (not (= |ULTIMATE.start_ensure_string_is_allocated_#res#1.base| 0)) (not (= |ULTIMATE.start_aws_string_bytes_harness_~str~3#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_~str~0#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_nondet_length_#res#1.base| 0)) (not (= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_#res#1.base| 0))) [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L6845-1(line 6845) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L7262-2(line 7262) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L6845(line 6845) the Hoare annotation is: (and (<= |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073710786165) (< 0 (div |ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size#1| 18446744073709551616))) [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L7262-1(line 7262) the Hoare annotation is: false [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L6839(lines 6837 6842) the Hoare annotation is: false [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L6854(line 6854) the Hoare annotation is: false [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L6854-3(line 6854) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L854 garLoopResultBuilder]: At program point L6854-2(line 6854) the Hoare annotation is: false [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L6854-1(lines 6854 6855) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-06 22:08:24,837 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-06 22:08:24,838 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-06 22:08:24,838 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-06 22:08:24,838 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-06 22:08:24,838 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-06 22:08:24,840 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 22:08:24,841 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:08:24,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:08:24 BoogieIcfgContainer [2021-12-06 22:08:24,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:08:24,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:08:24,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:08:24,851 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:08:24,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:07" (3/4) ... [2021-12-06 22:08:24,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_bytes [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-06 22:08:24,858 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-12-06 22:08:24,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:08:24,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:08:24,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:08:24,862 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:08:24,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) [2021-12-06 22:08:24,894 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:08:24,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:08:24,895 INFO L158 Benchmark]: Toolchain (without parser) took 19097.10ms. Allocated memory was 121.6MB in the beginning and 211.8MB in the end (delta: 90.2MB). Free memory was 78.1MB in the beginning and 74.1MB in the end (delta: 4.0MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,895 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:08:24,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.45ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 77.8MB in the beginning and 94.5MB in the end (delta: -16.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.41ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 89.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,896 INFO L158 Benchmark]: Boogie Preprocessor took 28.75ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,896 INFO L158 Benchmark]: RCFGBuilder took 315.04ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 70.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,897 INFO L158 Benchmark]: TraceAbstraction took 17160.15ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 69.4MB in the beginning and 79.4MB in the end (delta: -10.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,897 INFO L158 Benchmark]: Witness Printer took 43.35ms. Allocated memory is still 211.8MB. Free memory was 79.4MB in the beginning and 74.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 22:08:24,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.6MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.45ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 77.8MB in the beginning and 94.5MB in the end (delta: -16.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.41ms. Allocated memory is still 146.8MB. Free memory was 94.5MB in the beginning and 89.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.75ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.04ms. Allocated memory is still 146.8MB. Free memory was 87.3MB in the beginning and 70.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17160.15ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 69.4MB in the beginning and 79.4MB in the end (delta: -10.0MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 43.35ms. Allocated memory is still 211.8MB. Free memory was 79.4MB in the beginning and 74.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 1066 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 30 IncrementalHoareTripleChecker+Unchecked, 951 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1169 IncrementalHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 115 mSDtfsCounter, 1169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 140 SyntacticMatches, 3 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 42 PreInvPairs, 45 NumberOfFragments, 120 HoareAnnotationTreeSize, 42 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 312 ConstructedInterpolants, 17 QuantifiedInterpolants, 5003 SizeOfPredicates, 30 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 72/87 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7264]: Loop Invariant Derived loop invariant: (((!(\result == 0) && !(str == 0)) && !(str == 0)) && !(\result == 0)) && !(\result == 0) - InvariantResult [Line: 6850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6837]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6844]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:08:24,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ded193ed-5202-43bc-a184-4e710d1e76df/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE