./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN --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 fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- 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-6b4ec56 [2022-11-20 10:47:18,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:47:18,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:47:18,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:47:18,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:47:18,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:47:18,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:47:18,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:47:18,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:47:18,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:47:18,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:47:18,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:47:18,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:47:18,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:47:18,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:47:18,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:47:18,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:47:18,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:47:18,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:47:18,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:47:18,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:47:18,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:47:18,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:47:18,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:47:18,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:47:18,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:47:18,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:47:18,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:47:18,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:47:18,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:47:18,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:47:18,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:47:18,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:47:18,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:47:18,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:47:18,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:47:18,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:47:18,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:47:18,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:47:18,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:47:18,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:47:18,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:47:18,532 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:47:18,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:47:18,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:47:18,533 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:47:18,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:47:18,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:47:18,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:47:18,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:47:18,535 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:47:18,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:47:18,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:47:18,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:47:18,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:47:18,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:47:18,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:47:18,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:47:18,537 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:47:18,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:47:18,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:47:18,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:47:18,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:47:18,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:18,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:47:18,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:47:18,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:47:18,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:47:18,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:47:18,539 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:47:18,540 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:47:18,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:47:18,540 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_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2022-11-20 10:47:18,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:47:18,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:47:18,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:47:18,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:47:18,852 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:47:18,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-11-20 10:47:21,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:47:22,489 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:47:22,489 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2022-11-20 10:47:22,536 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/data/09170b12a/53086f975ebf43d4b68bfc108779caae/FLAGe1df3db92 [2022-11-20 10:47:22,557 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/data/09170b12a/53086f975ebf43d4b68bfc108779caae [2022-11-20 10:47:22,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:47:22,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:47:22,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:22,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:47:22,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:47:22,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:22" (1/1) ... [2022-11-20 10:47:22,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554fa61f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:22, skipping insertion in model container [2022-11-20 10:47:22,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:22" (1/1) ... [2022-11-20 10:47:22,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:47:22,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:47:23,001 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-11-20 10:47:23,008 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-11-20 10:47:23,968 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:47:24,068 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,075 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,079 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,080 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,081 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,095 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,096 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,098 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,099 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,101 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,102 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,103 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,104 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:47:24,538 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:47:24,539 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:47:24,540 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:47:24,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:47:24,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:47:24,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:47:24,545 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:47:24,545 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:47:24,546 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:47:24,695 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,703 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:24,800 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:47:24,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2022-11-20 10:47:24,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2022-11-20 10:47:24,898 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 10:47:24,927 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,928 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,928 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,929 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,929 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,936 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,937 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,938 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,943 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,946 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,947 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,952 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:24,953 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:25,004 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 10:47:25,005 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 10:47:25,007 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 10:47:25,009 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 10:47:25,011 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 10:47:25,011 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 10:47:25,012 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 10:47:25,012 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 10:47:25,013 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 10:47:25,014 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 10:47:25,062 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:25,069 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 10:47:25,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:25,356 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:47:25,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25 WrapperNode [2022-11-20 10:47:25,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:25,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:25,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:47:25,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:47:25,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,499 INFO L138 Inliner]: procedures = 691, calls = 1689, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 666 [2022-11-20 10:47:25,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:25,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:47:25,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:47:25,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:47:25,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:47:25,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:47:25,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:47:25,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:47:25,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (1/1) ... [2022-11-20 10:47:25,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:25,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:25,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:47:25,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:47:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 10:47:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:47:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 10:47:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 10:47:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 10:47:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 10:47:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 10:47:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 10:47:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:47:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 10:47:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 10:47:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 10:47:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 10:47:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:47:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:47:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:47:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-20 10:47:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-20 10:47:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:47:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:47:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 10:47:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 10:47:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-20 10:47:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-20 10:47:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 10:47:25,734 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 10:47:25,734 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-20 10:47:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-20 10:47:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-20 10:47:25,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-20 10:47:25,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:47:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:47:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-20 10:47:25,736 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-20 10:47:25,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:47:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:47:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:47:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 10:47:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 10:47:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 10:47:25,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 10:47:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:47:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-20 10:47:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-20 10:47:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:47:26,149 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:47:26,151 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:47:27,321 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:47:27,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:47:27,338 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:47:27,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:27 BoogieIcfgContainer [2022-11-20 10:47:27,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:47:27,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:47:27,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:47:27,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:47:27,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:47:22" (1/3) ... [2022-11-20 10:47:27,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a98e9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:27, skipping insertion in model container [2022-11-20 10:47:27,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:25" (2/3) ... [2022-11-20 10:47:27,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a98e9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:27, skipping insertion in model container [2022-11-20 10:47:27,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:27" (3/3) ... [2022-11-20 10:47:27,356 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2022-11-20 10:47:27,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:47:27,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:47:27,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:47:27,478 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;@38a6da31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:47:27,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:47:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-20 10:47:27,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 10:47:27,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:27,498 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:27,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:27,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:27,504 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2022-11-20 10:47:27,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:27,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085131228] [2022-11-20 10:47:27,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:27,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:47:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:47:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:47:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:47:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 10:47:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 10:47:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:47:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 10:47:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 10:47:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:47:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:47:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:47:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:47:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 10:47:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 10:47:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 10:47:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 10:47:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-20 10:47:28,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:28,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085131228] [2022-11-20 10:47:28,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085131228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:28,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:28,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:47:28,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058255532] [2022-11-20 10:47:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:28,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:47:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:28,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:47:28,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:28,586 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:47:29,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:29,394 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2022-11-20 10:47:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:47:29,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2022-11-20 10:47:29,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:29,413 INFO L225 Difference]: With dead ends: 378 [2022-11-20 10:47:29,413 INFO L226 Difference]: Without dead ends: 194 [2022-11-20 10:47:29,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:29,428 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 114 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:29,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 282 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:47:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-20 10:47:29,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2022-11-20 10:47:29,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-20 10:47:29,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2022-11-20 10:47:29,511 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2022-11-20 10:47:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:29,511 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2022-11-20 10:47:29,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 10:47:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2022-11-20 10:47:29,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 10:47:29,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:29,515 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:29,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:47:29,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:29,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:29,516 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2022-11-20 10:47:29,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:29,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841865737] [2022-11-20 10:47:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:29,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:47:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:47:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:47:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:47:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 10:47:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 10:47:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:47:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 10:47:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 10:47:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:47:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:47:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:47:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:47:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 10:47:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 10:47:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 10:47:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 10:47:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-20 10:47:30,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:30,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841865737] [2022-11-20 10:47:30,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841865737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:30,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:30,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 10:47:30,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410810153] [2022-11-20 10:47:30,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:30,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:47:30,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:30,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:47:30,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:30,692 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:47:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:31,959 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2022-11-20 10:47:31,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:47:31,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-20 10:47:31,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:31,963 INFO L225 Difference]: With dead ends: 365 [2022-11-20 10:47:31,963 INFO L226 Difference]: Without dead ends: 252 [2022-11-20 10:47:31,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:47:31,965 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 140 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:31,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 979 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:47:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-20 10:47:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2022-11-20 10:47:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2022-11-20 10:47:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2022-11-20 10:47:32,009 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2022-11-20 10:47:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:32,012 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2022-11-20 10:47:32,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:47:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2022-11-20 10:47:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 10:47:32,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:32,020 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:32,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:47:32,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:32,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2022-11-20 10:47:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:32,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864105216] [2022-11-20 10:47:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:32,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:47:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:47:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:47:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:47:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 10:47:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 10:47:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:47:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 10:47:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 10:47:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:47:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:47:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:47:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:47:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 10:47:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 10:47:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 10:47:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 10:47:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:33,258 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-20 10:47:33,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864105216] [2022-11-20 10:47:33,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864105216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:33,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:33,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 10:47:33,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443714579] [2022-11-20 10:47:33,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:33,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:47:33,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:33,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:47:33,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:47:33,265 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-20 10:47:34,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:34,806 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2022-11-20 10:47:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:47:34,807 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2022-11-20 10:47:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:34,815 INFO L225 Difference]: With dead ends: 359 [2022-11-20 10:47:34,816 INFO L226 Difference]: Without dead ends: 252 [2022-11-20 10:47:34,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:47:34,821 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 114 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:34,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 1110 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 10:47:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2022-11-20 10:47:34,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2022-11-20 10:47:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2022-11-20 10:47:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2022-11-20 10:47:34,860 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2022-11-20 10:47:34,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:34,863 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2022-11-20 10:47:34,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-20 10:47:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2022-11-20 10:47:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 10:47:34,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:34,868 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:34,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:47:34,870 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:34,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:34,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2022-11-20 10:47:34,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:34,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191781784] [2022-11-20 10:47:34,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:34,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 10:47:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:47:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 10:47:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 10:47:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 10:47:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-20 10:47:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:47:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-20 10:47:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 10:47:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-20 10:47:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 10:47:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:47:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 10:47:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 10:47:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-20 10:47:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 10:47:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 10:47:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-11-20 10:47:35,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:35,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191781784] [2022-11-20 10:47:35,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191781784] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:35,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546940773] [2022-11-20 10:47:35,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:35,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:35,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:47:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:36,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 2214 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:47:36,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 10:47:36,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:36,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546940773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:36,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:36,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2022-11-20 10:47:36,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110533366] [2022-11-20 10:47:36,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:36,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:36,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:36,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:47:36,502 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:47:36,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:36,672 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2022-11-20 10:47:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2022-11-20 10:47:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:36,675 INFO L225 Difference]: With dead ends: 357 [2022-11-20 10:47:36,675 INFO L226 Difference]: Without dead ends: 194 [2022-11-20 10:47:36,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 158 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:47:36,677 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:36,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1002 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-20 10:47:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-11-20 10:47:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2022-11-20 10:47:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2022-11-20 10:47:36,694 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2022-11-20 10:47:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:36,695 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2022-11-20 10:47:36,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-20 10:47:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2022-11-20 10:47:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 10:47:36,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:36,697 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:36,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:36,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:36,917 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:36,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:36,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2022-11-20 10:47:36,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:36,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526941078] [2022-11-20 10:47:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:36,993 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 10:47:36,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687282895] [2022-11-20 10:47:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:36,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:36,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:37,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:47:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:37,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 2361 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:47:37,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-20 10:47:37,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:37,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526941078] [2022-11-20 10:47:37,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 10:47:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687282895] [2022-11-20 10:47:37,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687282895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:37,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:37,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:47:37,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037057571] [2022-11-20 10:47:37,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:37,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:37,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:37,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:37,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:47:37,657 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-20 10:47:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:37,741 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2022-11-20 10:47:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:37,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2022-11-20 10:47:37,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:37,745 INFO L225 Difference]: With dead ends: 235 [2022-11-20 10:47:37,745 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:47:37,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:47:37,747 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:37,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 235 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:47:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:47:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:47:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:47:37,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2022-11-20 10:47:37,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:37,750 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:47:37,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-20 10:47:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:47:37,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:47:37,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:47:37,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 10:47:37,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:37,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:47:38,447 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 2778 2783) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2022-11-20 10:47:38,448 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2022-11-20 10:47:38,448 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2022-11-20 10:47:38,449 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2022-11-20 10:47:38,449 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2022-11-20 10:47:38,449 INFO L895 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 7010 7022) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-11-20 10:47:38,449 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2022-11-20 10:47:38,449 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2022-11-20 10:47:38,449 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-11-20 10:47:38,449 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2022-11-20 10:47:38,449 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-11-20 10:47:38,450 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2022-11-20 10:47:38,450 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (not (< 0 |#StackHeapBarrier|))) [2022-11-20 10:47:38,450 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2022-11-20 10:47:38,450 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2022-11-20 10:47:38,450 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6996 7008) the Hoare annotation is: true [2022-11-20 10:47:38,450 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2022-11-20 10:47:38,450 INFO L895 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 3259 3286) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,450 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0))) [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2022-11-20 10:47:38,451 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7174 7178) the Hoare annotation is: true [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2022-11-20 10:47:38,452 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,452 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2022-11-20 10:47:38,453 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2022-11-20 10:47:38,453 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2022-11-20 10:47:38,453 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2022-11-20 10:47:38,453 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2022-11-20 10:47:38,453 INFO L895 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2584 2592) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,453 INFO L902 garLoopResultBuilder]: At program point L2499(lines 2495 2500) the Hoare annotation is: true [2022-11-20 10:47:38,453 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2022-11-20 10:47:38,453 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2022-11-20 10:47:38,453 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2022-11-20 10:47:38,453 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2022-11-20 10:47:38,454 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L902 garLoopResultBuilder]: At program point memcpy_implENTRY(lines 7373 7385) the Hoare annotation is: true [2022-11-20 10:47:38,454 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2022-11-20 10:47:38,454 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L902 garLoopResultBuilder]: At program point aws_array_list_lengthENTRY(lines 3487 3498) the Hoare annotation is: true [2022-11-20 10:47:38,454 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2022-11-20 10:47:38,454 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2022-11-20 10:47:38,458 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2022-11-20 10:47:38,458 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2022-11-20 10:47:38,459 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2022-11-20 10:47:38,459 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2022-11-20 10:47:38,459 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2022-11-20 10:47:38,460 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2022-11-20 10:47:38,460 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2022-11-20 10:47:38,460 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2022-11-20 10:47:38,461 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 2795 2799) the Hoare annotation is: true [2022-11-20 10:47:38,461 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2022-11-20 10:47:38,461 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2022-11-20 10:47:38,461 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2022-11-20 10:47:38,461 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2022-11-20 10:47:38,461 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2022-11-20 10:47:38,462 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2022-11-20 10:47:38,462 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2022-11-20 10:47:38,462 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-20 10:47:38,462 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-20 10:47:38,467 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-20 10:47:38,467 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-20 10:47:38,467 INFO L895 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (= ~tl_last_error~0 |old(~tl_last_error~0)|)) [2022-11-20 10:47:38,467 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-20 10:47:38,468 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2022-11-20 10:47:38,468 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-20 10:47:38,468 INFO L902 garLoopResultBuilder]: At program point my_memcpyENTRY(lines 7387 7389) the Hoare annotation is: true [2022-11-20 10:47:38,468 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2022-11-20 10:47:38,468 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2022-11-20 10:47:38,468 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2022-11-20 10:47:38,469 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2022-11-20 10:47:38,469 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2022-11-20 10:47:38,469 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2022-11-20 10:47:38,469 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 2785 2787) the Hoare annotation is: true [2022-11-20 10:47:38,469 INFO L895 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-20 10:47:38,469 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-11-20 10:47:38,470 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-11-20 10:47:38,470 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2022-11-20 10:47:38,470 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2022-11-20 10:47:38,470 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2022-11-20 10:47:38,470 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2022-11-20 10:47:38,470 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2022-11-20 10:47:38,471 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2022-11-20 10:47:38,471 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2022-11-20 10:47:38,471 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2022-11-20 10:47:38,471 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2022-11-20 10:47:38,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:47:38,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:47:38,471 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2022-11-20 10:47:38,472 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2022-11-20 10:47:38,472 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2022-11-20 10:47:38,472 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2022-11-20 10:47:38,472 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2022-11-20 10:47:38,472 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2022-11-20 10:47:38,473 INFO L902 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2022-11-20 10:47:38,473 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2022-11-20 10:47:38,473 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2022-11-20 10:47:38,473 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2022-11-20 10:47:38,473 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2022-11-20 10:47:38,473 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2022-11-20 10:47:38,473 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2022-11-20 10:47:38,474 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2022-11-20 10:47:38,474 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2022-11-20 10:47:38,474 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2022-11-20 10:47:38,474 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2022-11-20 10:47:38,474 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2022-11-20 10:47:38,474 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2022-11-20 10:47:38,475 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2022-11-20 10:47:38,475 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2022-11-20 10:47:38,475 INFO L895 garLoopResultBuilder]: At program point L3342-2(lines 3328 3343) the Hoare annotation is: false [2022-11-20 10:47:38,475 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2022-11-20 10:47:38,475 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2022-11-20 10:47:38,475 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2022-11-20 10:47:38,475 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-11-20 10:47:38,476 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-11-20 10:47:38,476 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2022-11-20 10:47:38,476 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2022-11-20 10:47:38,476 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2022-11-20 10:47:38,476 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-20 10:47:38,476 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-20 10:47:38,477 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-11-20 10:47:38,477 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2022-11-20 10:47:38,477 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2022-11-20 10:47:38,477 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2022-11-20 10:47:38,477 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:47:38,477 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2022-11-20 10:47:38,478 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2022-11-20 10:47:38,478 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2022-11-20 10:47:38,478 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2022-11-20 10:47:38,478 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2022-11-20 10:47:38,478 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2022-11-20 10:47:38,478 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-20 10:47:38,479 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-11-20 10:47:38,479 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2022-11-20 10:47:38,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:47:38,479 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-11-20 10:47:38,479 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-11-20 10:47:38,479 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2022-11-20 10:47:38,480 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret793#1| 0) [2022-11-20 10:47:38,480 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2022-11-20 10:47:38,480 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2022-11-20 10:47:38,480 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2022-11-20 10:47:38,480 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2022-11-20 10:47:38,480 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2022-11-20 10:47:38,481 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2022-11-20 10:47:38,481 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2022-11-20 10:47:38,481 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-11-20 10:47:38,481 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-11-20 10:47:38,481 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2022-11-20 10:47:38,481 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2022-11-20 10:47:38,482 INFO L902 garLoopResultBuilder]: At program point L8004(line 8004) the Hoare annotation is: true [2022-11-20 10:47:38,482 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-20 10:47:38,482 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-20 10:47:38,482 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-20 10:47:38,482 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-20 10:47:38,482 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-20 10:47:38,483 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-20 10:47:38,486 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 10:47:38,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:47:38,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:47:38 BoogieIcfgContainer [2022-11-20 10:47:38,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:47:38,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:47:38,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:47:38,514 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:47:38,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:27" (3/4) ... [2022-11-20 10:47:38,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:47:38,523 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-11-20 10:47:38,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-20 10:47:38,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-11-20 10:47:38,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-11-20 10:47:38,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-11-20 10:47:38,524 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-11-20 10:47:38,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-11-20 10:47:38,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2022-11-20 10:47:38,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2022-11-20 10:47:38,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-20 10:47:38,537 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 145 nodes and edges [2022-11-20 10:47:38,538 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-11-20 10:47:38,539 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 10:47:38,540 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 10:47:38,541 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 10:47:38,542 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:47:38,543 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:47:38,544 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:47:39,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:47:39,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:47:39,297 INFO L158 Benchmark]: Toolchain (without parser) took 16734.25ms. Allocated memory was 151.0MB in the beginning and 362.8MB in the end (delta: 211.8MB). Free memory was 98.5MB in the beginning and 81.0MB in the end (delta: 17.5MB). Peak memory consumption was 231.6MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,298 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:47:39,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2792.27ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 97.9MB in the beginning and 131.4MB in the end (delta: -33.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.97ms. Allocated memory is still 205.5MB. Free memory was 131.4MB in the beginning and 121.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,299 INFO L158 Benchmark]: Boogie Preprocessor took 142.93ms. Allocated memory is still 205.5MB. Free memory was 121.9MB in the beginning and 115.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,299 INFO L158 Benchmark]: RCFGBuilder took 1700.14ms. Allocated memory is still 205.5MB. Free memory was 115.7MB in the beginning and 78.5MB in the end (delta: 37.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,299 INFO L158 Benchmark]: TraceAbstraction took 11164.90ms. Allocated memory was 205.5MB in the beginning and 362.8MB in the end (delta: 157.3MB). Free memory was 77.5MB in the beginning and 203.6MB in the end (delta: -126.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,300 INFO L158 Benchmark]: Witness Printer took 783.19ms. Allocated memory is still 362.8MB. Free memory was 203.6MB in the beginning and 81.0MB in the end (delta: 122.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-20 10:47:39,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2792.27ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 97.9MB in the beginning and 131.4MB in the end (delta: -33.5MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.97ms. Allocated memory is still 205.5MB. Free memory was 131.4MB in the beginning and 121.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.93ms. Allocated memory is still 205.5MB. Free memory was 121.9MB in the beginning and 115.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1700.14ms. Allocated memory is still 205.5MB. Free memory was 115.7MB in the beginning and 78.5MB in the end (delta: 37.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 11164.90ms. Allocated memory was 205.5MB in the beginning and 362.8MB in the end (delta: 157.3MB). Free memory was 77.5MB in the beginning and 203.6MB in the end (delta: -126.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Witness Printer took 783.19ms. Allocated memory is still 362.8MB. Free memory was 203.6MB in the beginning and 81.0MB in the end (delta: 122.7MB). Peak memory consumption was 123.7MB. 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 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 522 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 460 mSDsluCounter, 3608 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2789 mSDsCounter, 442 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2439 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 442 mSolverCounterUnsat, 819 mSDtfsCounter, 2439 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 420 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 323 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 76 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1539 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4575 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:47:39,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e634bbed-9ee8-4d67-80e8-aac2153fe290/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE