./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ --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 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 --- 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-dbf71c6-m [2022-10-17 10:28:12,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:28:12,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:28:12,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:28:12,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:28:12,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:28:12,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:28:12,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:28:12,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:28:12,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:28:12,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:28:12,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:28:12,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:28:12,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:28:12,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:28:12,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:28:12,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:28:12,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:28:12,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:28:13,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:28:13,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:28:13,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:28:13,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:28:13,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:28:13,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:28:13,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:28:13,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:28:13,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:28:13,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:28:13,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:28:13,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:28:13,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:28:13,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:28:13,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:28:13,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:28:13,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:28:13,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:28:13,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:28:13,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:28:13,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:28:13,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:28:13,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:28:13,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:28:13,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:28:13,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:28:13,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:28:13,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:28:13,128 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:28:13,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:28:13,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:28:13,129 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:28:13,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:28:13,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:28:13,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:28:13,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:28:13,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:28:13,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:28:13,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:28:13,133 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:28:13,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:28:13,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:28:13,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:28:13,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:28:13,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:13,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:28:13,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:28:13,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:28:13,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:28:13,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:28:13,139 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:28:13,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:28:13,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:28:13,140 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_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e6233f0d05e5cf619ccd9274ea3c6050381d25e3875969761913952ef0c093 [2022-10-17 10:28:13,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:28:13,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:28:13,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:28:13,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:28:13,506 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:28:13,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-10-17 10:28:13,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/data/2c049f9ba/3450e297a2e34b6dad51f2525296ce44/FLAG6bc60b4b9 [2022-10-17 10:28:14,686 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:28:14,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2022-10-17 10:28:14,740 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/data/2c049f9ba/3450e297a2e34b6dad51f2525296ce44/FLAG6bc60b4b9 [2022-10-17 10:28:14,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/data/2c049f9ba/3450e297a2e34b6dad51f2525296ce44 [2022-10-17 10:28:14,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:28:15,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:28:15,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:15,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:28:15,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:28:15,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:14" (1/1) ... [2022-10-17 10:28:15,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d96dac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:15, skipping insertion in model container [2022-10-17 10:28:15,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:14" (1/1) ... [2022-10-17 10:28:15,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:28:15,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:15,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-10-17 10:28:15,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-10-17 10:28:16,910 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,916 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,918 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,920 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,921 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,959 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,960 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,962 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,963 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,965 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,966 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:16,968 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,524 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:28:17,526 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:28:17,527 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:28:17,529 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:28:17,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:28:17,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:28:17,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:28:17,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:28:17,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:28:17,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:28:17,746 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:28:17,793 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,802 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,954 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,955 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,956 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,956 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,957 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,958 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,958 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,960 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,960 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,961 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,961 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,962 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,962 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,966 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,967 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,968 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,981 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,981 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,992 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,994 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:17,994 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:18,103 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:28:18,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2022-10-17 10:28:18,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2022-10-17 10:28:18,225 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,226 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,227 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,228 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,229 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,247 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,248 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,252 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,252 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,255 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,256 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,257 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,257 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,335 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:28:18,340 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:28:18,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:28:18,342 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:28:18,343 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:28:18,344 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:28:18,345 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:28:18,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:28:18,346 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:28:18,347 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:28:18,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:28:18,415 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,428 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,486 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,488 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,488 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,489 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,490 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,491 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,491 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,492 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,494 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,494 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,494 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,496 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,500 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,500 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,503 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,505 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,516 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,518 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,519 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:28:18,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:18,929 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:28:18,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18 WrapperNode [2022-10-17 10:28:18,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:18,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:18,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:28:18,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:28:18,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,221 INFO L138 Inliner]: procedures = 698, calls = 1948, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 765 [2022-10-17 10:28:19,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:19,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:28:19,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:28:19,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:28:19,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:28:19,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:28:19,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:28:19,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:28:19,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (1/1) ... [2022-10-17 10:28:19,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:19,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:19,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:28:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-10-17 10:28:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-10-17 10:28:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:28:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-10-17 10:28:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-10-17 10:28:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-10-17 10:28:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-10-17 10:28:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-10-17 10:28:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-10-17 10:28:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:28:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-10-17 10:28:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-10-17 10:28:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 10:28:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 10:28:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:28:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:28:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:28:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:28:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:28:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-17 10:28:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-17 10:28:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-10-17 10:28:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-10-17 10:28:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-10-17 10:28:19,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-10-17 10:28:19,537 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-10-17 10:28:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-10-17 10:28:19,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-10-17 10:28:19,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-10-17 10:28:19,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:28:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:28:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:28:19,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:28:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:28:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-10-17 10:28:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-10-17 10:28:19,547 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-10-17 10:28:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-10-17 10:28:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:28:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-10-17 10:28:19,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-10-17 10:28:19,548 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-10-17 10:28:19,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-10-17 10:28:19,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:28:20,164 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:28:20,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:28:21,637 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:28:21,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:28:21,648 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:28:21,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:21 BoogieIcfgContainer [2022-10-17 10:28:21,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:28:21,655 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:28:21,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:28:21,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:28:21,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:28:14" (1/3) ... [2022-10-17 10:28:21,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4418cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:21, skipping insertion in model container [2022-10-17 10:28:21,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:18" (2/3) ... [2022-10-17 10:28:21,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4418cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:21, skipping insertion in model container [2022-10-17 10:28:21,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:21" (3/3) ... [2022-10-17 10:28:21,663 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2022-10-17 10:28:21,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:28:21,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:28:21,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:28:21,786 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;@1f0b86c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:28:21,786 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:28:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-10-17 10:28:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 10:28:21,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:21,820 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:21,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:21,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:21,828 INFO L85 PathProgramCache]: Analyzing trace with hash 969840853, now seen corresponding path program 1 times [2022-10-17 10:28:21,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:21,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436083090] [2022-10-17 10:28:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:21,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:22,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:22,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436083090] [2022-10-17 10:28:22,647 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-10-17 10:28:22,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595225898] [2022-10-17 10:28:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:22,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:28:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:22,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:28:22,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:28:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:23,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 10:28:23,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-10-17 10:28:23,509 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:28:23,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595225898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:23,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:23,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:28:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248117372] [2022-10-17 10:28:23,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:23,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:28:23,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:23,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:28:23,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:28:23,561 INFO L87 Difference]: Start difference. First operand has 196 states, 129 states have (on average 1.2403100775193798) internal successors, (160), 130 states have internal predecessors, (160), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-17 10:28:23,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:23,625 INFO L93 Difference]: Finished difference Result 381 states and 541 transitions. [2022-10-17 10:28:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:28:23,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 97 [2022-10-17 10:28:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:23,643 INFO L225 Difference]: With dead ends: 381 [2022-10-17 10:28:23,643 INFO L226 Difference]: Without dead ends: 191 [2022-10-17 10:28:23,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:28:23,655 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:23,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:28:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-10-17 10:28:23,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2022-10-17 10:28:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 125 states have (on average 1.224) internal successors, (153), 126 states have internal predecessors, (153), 49 states have call successors, (49), 16 states have call predecessors, (49), 16 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-17 10:28:23,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 250 transitions. [2022-10-17 10:28:23,798 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 250 transitions. Word has length 97 [2022-10-17 10:28:23,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:23,800 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 250 transitions. [2022-10-17 10:28:23,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-17 10:28:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 250 transitions. [2022-10-17 10:28:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 10:28:23,813 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:23,814 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:23,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:24,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-17 10:28:24,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:24,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:24,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2144728741, now seen corresponding path program 1 times [2022-10-17 10:28:24,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:24,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158520287] [2022-10-17 10:28:24,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:24,286 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:28:24,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351763271] [2022-10-17 10:28:24,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:24,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:28:24,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:24,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:28:24,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:28:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:25,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:28:25,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 10:28:25,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:28:25,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:25,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158520287] [2022-10-17 10:28:25,235 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:28:25,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351763271] [2022-10-17 10:28:25,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351763271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:25,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:25,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:25,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008015425] [2022-10-17 10:28:25,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:25,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:25,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:25,239 INFO L87 Difference]: Start difference. First operand 191 states and 250 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-17 10:28:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:25,401 INFO L93 Difference]: Finished difference Result 348 states and 457 transitions. [2022-10-17 10:28:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:28:25,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 97 [2022-10-17 10:28:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:25,409 INFO L225 Difference]: With dead ends: 348 [2022-10-17 10:28:25,409 INFO L226 Difference]: Without dead ends: 193 [2022-10-17 10:28:25,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:28:25,412 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 2 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:25,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1176 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:28:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-10-17 10:28:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-10-17 10:28:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 49 states have call successors, (49), 16 states have call predecessors, (49), 17 states have return successors, (50), 48 states have call predecessors, (50), 48 states have call successors, (50) [2022-10-17 10:28:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 253 transitions. [2022-10-17 10:28:25,467 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 253 transitions. Word has length 97 [2022-10-17 10:28:25,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:25,468 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 253 transitions. [2022-10-17 10:28:25,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-17 10:28:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 253 transitions. [2022-10-17 10:28:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 10:28:25,476 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:25,476 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:25,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:25,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:28:25,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:25,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1693315363, now seen corresponding path program 1 times [2022-10-17 10:28:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:25,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425431762] [2022-10-17 10:28:25,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:25,921 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 10:28:25,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471187779] [2022-10-17 10:28:25,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:25,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:28:25,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:25,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:28:25,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 10:28:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:26,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:28:26,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-17 10:28:26,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:28:26,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:26,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425431762] [2022-10-17 10:28:26,764 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 10:28:26,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471187779] [2022-10-17 10:28:26,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471187779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:26,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:26,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:26,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881158990] [2022-10-17 10:28:26,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:26,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:26,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:26,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:26,768 INFO L87 Difference]: Start difference. First operand 193 states and 253 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-10-17 10:28:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:26,900 INFO L93 Difference]: Finished difference Result 263 states and 334 transitions. [2022-10-17 10:28:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:28:26,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 105 [2022-10-17 10:28:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:26,903 INFO L225 Difference]: With dead ends: 263 [2022-10-17 10:28:26,903 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:28:26,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:28:26,906 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 158 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:26,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 388 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:28:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:28:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:28:26,908 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) [2022-10-17 10:28:26,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:28:26,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-10-17 10:28:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:26,909 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:28:26,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-10-17 10:28:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:28:26,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:28:26,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:28:26,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:28:27,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-17 10:28:27,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:28:27,413 INFO L902 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6931 6936) the Hoare annotation is: true [2022-10-17 10:28:27,414 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6931 6936) no Hoare annotation was computed. [2022-10-17 10:28:27,414 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6931 6936) no Hoare annotation was computed. [2022-10-17 10:28:27,414 INFO L899 garLoopResultBuilder]: For program point L6932-1(lines 6932 6934) no Hoare annotation was computed. [2022-10-17 10:28:27,414 INFO L902 garLoopResultBuilder]: At program point L6932(lines 6932 6934) the Hoare annotation is: true [2022-10-17 10:28:27,414 INFO L899 garLoopResultBuilder]: For program point L8229-7(lines 8229 8232) no Hoare annotation was computed. [2022-10-17 10:28:27,415 INFO L899 garLoopResultBuilder]: For program point L8229-5(lines 8229 8232) no Hoare annotation was computed. [2022-10-17 10:28:27,415 INFO L899 garLoopResultBuilder]: For program point L8229-4(line 8229) no Hoare annotation was computed. [2022-10-17 10:28:27,415 INFO L899 garLoopResultBuilder]: For program point L8262-5(lines 8262 8263) no Hoare annotation was computed. [2022-10-17 10:28:27,415 INFO L899 garLoopResultBuilder]: For program point L8219(lines 8219 8223) no Hoare annotation was computed. [2022-10-17 10:28:27,415 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validEXIT(lines 8275 8296) no Hoare annotation was computed. [2022-10-17 10:28:27,416 INFO L899 garLoopResultBuilder]: For program point L8271(line 8271) no Hoare annotation was computed. [2022-10-17 10:28:27,416 INFO L895 garLoopResultBuilder]: At program point L8271-5(lines 8217 8272) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-10-17 10:28:27,416 INFO L899 garLoopResultBuilder]: For program point L8271-4(line 8271) no Hoare annotation was computed. [2022-10-17 10:28:27,416 INFO L899 garLoopResultBuilder]: For program point L8271-3(line 8271) no Hoare annotation was computed. [2022-10-17 10:28:27,417 INFO L895 garLoopResultBuilder]: At program point L8271-2(line 8271) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-10-17 10:28:27,417 INFO L895 garLoopResultBuilder]: At program point L8290(line 8290) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-10-17 10:28:27,417 INFO L899 garLoopResultBuilder]: For program point L8290-1(line 8290) no Hoare annotation was computed. [2022-10-17 10:28:27,417 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_is_validENTRY(lines 8275 8296) the Hoare annotation is: true [2022-10-17 10:28:27,418 INFO L899 garLoopResultBuilder]: For program point L8278(lines 8278 8282) no Hoare annotation was computed. [2022-10-17 10:28:27,418 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_is_validFINAL(lines 8275 8296) no Hoare annotation was computed. [2022-10-17 10:28:27,418 INFO L899 garLoopResultBuilder]: For program point L8262(line 8262) no Hoare annotation was computed. [2022-10-17 10:28:27,418 INFO L899 garLoopResultBuilder]: For program point L8229-2(line 8229) no Hoare annotation was computed. [2022-10-17 10:28:27,418 INFO L899 garLoopResultBuilder]: For program point L8262-3(lines 8262 8263) no Hoare annotation was computed. [2022-10-17 10:28:27,419 INFO L899 garLoopResultBuilder]: For program point L8229-1(line 8229) no Hoare annotation was computed. [2022-10-17 10:28:27,419 INFO L899 garLoopResultBuilder]: For program point L8262-2(line 8262) no Hoare annotation was computed. [2022-10-17 10:28:27,419 INFO L895 garLoopResultBuilder]: At program point L8229(line 8229) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (<= |aws_priority_queue_is_valid_#in~queue#1.base| 0) (<= |aws_priority_queue_is_valid_#in~queue#1.base| |aws_priority_queue_is_valid_~queue#1.base|))) [2022-10-17 10:28:27,419 INFO L899 garLoopResultBuilder]: For program point L6747-1(line 6747) no Hoare annotation was computed. [2022-10-17 10:28:27,419 INFO L902 garLoopResultBuilder]: At program point L6747(line 6747) the Hoare annotation is: true [2022-10-17 10:28:27,420 INFO L899 garLoopResultBuilder]: For program point L6749-1(line 6749) no Hoare annotation was computed. [2022-10-17 10:28:27,420 INFO L902 garLoopResultBuilder]: At program point L6749(line 6749) the Hoare annotation is: true [2022-10-17 10:28:27,420 INFO L899 garLoopResultBuilder]: For program point L6743(line 6743) no Hoare annotation was computed. [2022-10-17 10:28:27,420 INFO L899 garLoopResultBuilder]: For program point L6743-4(lines 6742 6754) no Hoare annotation was computed. [2022-10-17 10:28:27,420 INFO L899 garLoopResultBuilder]: For program point L6743-2(lines 6743 6753) no Hoare annotation was computed. [2022-10-17 10:28:27,421 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 6742 6754) no Hoare annotation was computed. [2022-10-17 10:28:27,421 INFO L902 garLoopResultBuilder]: At program point ensure_array_list_has_allocated_data_memberENTRY(lines 6742 6754) the Hoare annotation is: true [2022-10-17 10:28:27,421 INFO L902 garLoopResultBuilder]: At program point L6750(line 6750) the Hoare annotation is: true [2022-10-17 10:28:27,421 INFO L899 garLoopResultBuilder]: For program point L6752-1(line 6752) no Hoare annotation was computed. [2022-10-17 10:28:27,421 INFO L902 garLoopResultBuilder]: At program point L6752(line 6752) the Hoare annotation is: true [2022-10-17 10:28:27,422 INFO L899 garLoopResultBuilder]: For program point L6750-3(lines 6750 6752) no Hoare annotation was computed. [2022-10-17 10:28:27,422 INFO L899 garLoopResultBuilder]: For program point L6750-1(lines 6750 6752) no Hoare annotation was computed. [2022-10-17 10:28:27,422 INFO L899 garLoopResultBuilder]: For program point L6744-1(lines 6744 6746) no Hoare annotation was computed. [2022-10-17 10:28:27,422 INFO L902 garLoopResultBuilder]: At program point L6744(lines 6744 6746) the Hoare annotation is: true [2022-10-17 10:28:27,423 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6728 6740) no Hoare annotation was computed. [2022-10-17 10:28:27,423 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_boundedENTRY(lines 6728 6740) the Hoare annotation is: true [2022-10-17 10:28:27,423 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6728 6740) no Hoare annotation was computed. [2022-10-17 10:28:27,423 INFO L902 garLoopResultBuilder]: At program point aws_array_list_is_validENTRY(lines 2935 2962) the Hoare annotation is: true [2022-10-17 10:28:27,423 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 2935 2962) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2957(line 2957) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2955(lines 2955 2956) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2957-2(line 2957) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2955-3(lines 2955 2957) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2955-2(lines 2955 2956) no Hoare annotation was computed. [2022-10-17 10:28:27,424 INFO L899 garLoopResultBuilder]: For program point L2955-5(lines 2955 2957) no Hoare annotation was computed. [2022-10-17 10:28:27,425 INFO L899 garLoopResultBuilder]: For program point L2939(lines 2939 2943) no Hoare annotation was computed. [2022-10-17 10:28:27,425 INFO L902 garLoopResultBuilder]: At program point L2948(line 2948) the Hoare annotation is: true [2022-10-17 10:28:27,425 INFO L899 garLoopResultBuilder]: For program point L2948-1(line 2948) no Hoare annotation was computed. [2022-10-17 10:28:27,425 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 2935 2962) no Hoare annotation was computed. [2022-10-17 10:28:27,426 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-10-17 10:28:27,426 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-10-17 10:28:27,426 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-10-17 10:28:27,426 INFO L899 garLoopResultBuilder]: For program point L7178(lines 7178 7180) no Hoare annotation was computed. [2022-10-17 10:28:27,426 INFO L899 garLoopResultBuilder]: For program point L7179-1(line 7179) no Hoare annotation was computed. [2022-10-17 10:28:27,427 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7177 7181) no Hoare annotation was computed. [2022-10-17 10:28:27,427 INFO L902 garLoopResultBuilder]: At program point L7179(line 7179) the Hoare annotation is: true [2022-10-17 10:28:27,427 INFO L902 garLoopResultBuilder]: At program point assert_byte_from_buffer_matchesENTRY(lines 7177 7181) the Hoare annotation is: true [2022-10-17 10:28:27,427 INFO L899 garLoopResultBuilder]: For program point L7178-2(lines 7177 7181) no Hoare annotation was computed. [2022-10-17 10:28:27,427 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2586 2594) no Hoare annotation was computed. [2022-10-17 10:28:27,428 INFO L899 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2022-10-17 10:28:27,428 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2586 2594) no Hoare annotation was computed. [2022-10-17 10:28:27,428 INFO L902 garLoopResultBuilder]: At program point aws_mul_size_checkedENTRY(lines 2586 2594) the Hoare annotation is: true [2022-10-17 10:28:27,428 INFO L902 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: true [2022-10-17 10:28:27,428 INFO L902 garLoopResultBuilder]: At program point L2498(line 2498) the Hoare annotation is: true [2022-10-17 10:28:27,429 INFO L899 garLoopResultBuilder]: For program point L2499-1(line 2499) no Hoare annotation was computed. [2022-10-17 10:28:27,429 INFO L902 garLoopResultBuilder]: At program point L2499(line 2499) the Hoare annotation is: true [2022-10-17 10:28:27,429 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validEXIT(lines 8178 8194) no Hoare annotation was computed. [2022-10-17 10:28:27,429 INFO L902 garLoopResultBuilder]: At program point aws_priority_queue_backpointer_index_validENTRY(lines 8178 8194) the Hoare annotation is: true [2022-10-17 10:28:27,429 INFO L899 garLoopResultBuilder]: For program point aws_priority_queue_backpointer_index_validFINAL(lines 8178 8194) no Hoare annotation was computed. [2022-10-17 10:28:27,430 INFO L899 garLoopResultBuilder]: For program point L8185(lines 8185 8190) no Hoare annotation was computed. [2022-10-17 10:28:27,430 INFO L899 garLoopResultBuilder]: For program point L8180-1(lines 8180 8184) no Hoare annotation was computed. [2022-10-17 10:28:27,430 INFO L902 garLoopResultBuilder]: At program point L8180(line 8180) the Hoare annotation is: true [2022-10-17 10:28:27,430 INFO L902 garLoopResultBuilder]: At program point L2337-3(lines 2337 2343) the Hoare annotation is: true [2022-10-17 10:28:27,430 INFO L899 garLoopResultBuilder]: For program point L2337-2(lines 2337 2343) no Hoare annotation was computed. [2022-10-17 10:28:27,431 INFO L899 garLoopResultBuilder]: For program point L2337-4(lines 2337 2343) no Hoare annotation was computed. [2022-10-17 10:28:27,431 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedEXIT(lines 2331 2348) no Hoare annotation was computed. [2022-10-17 10:28:27,431 INFO L902 garLoopResultBuilder]: At program point aws_is_mem_zeroedENTRY(lines 2331 2348) the Hoare annotation is: true [2022-10-17 10:28:27,431 INFO L899 garLoopResultBuilder]: For program point aws_is_mem_zeroedFINAL(lines 2331 2348) no Hoare annotation was computed. [2022-10-17 10:28:27,431 INFO L899 garLoopResultBuilder]: For program point L2338(lines 2338 2342) no Hoare annotation was computed. [2022-10-17 10:28:27,432 INFO L902 garLoopResultBuilder]: At program point can_fail_mallocENTRY(lines 6948 6952) the Hoare annotation is: true [2022-10-17 10:28:27,432 INFO L899 garLoopResultBuilder]: For program point L6951-1(line 6951) no Hoare annotation was computed. [2022-10-17 10:28:27,432 INFO L902 garLoopResultBuilder]: At program point L6951(line 6951) the Hoare annotation is: true [2022-10-17 10:28:27,432 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 6948 6952) no Hoare annotation was computed. [2022-10-17 10:28:27,432 INFO L899 garLoopResultBuilder]: For program point L6949-3(lines 6949 6951) no Hoare annotation was computed. [2022-10-17 10:28:27,432 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 6948 6952) no Hoare annotation was computed. [2022-10-17 10:28:27,433 INFO L899 garLoopResultBuilder]: For program point L6949-1(lines 6949 6951) no Hoare annotation was computed. [2022-10-17 10:28:27,433 INFO L902 garLoopResultBuilder]: At program point L6949(line 6949) the Hoare annotation is: true [2022-10-17 10:28:27,433 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-10-17 10:28:27,433 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-10-17 10:28:27,433 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-10-17 10:28:27,434 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-10-17 10:28:27,434 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-10-17 10:28:27,434 INFO L899 garLoopResultBuilder]: For program point L7366(lines 7366 7368) no Hoare annotation was computed. [2022-10-17 10:28:27,434 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-10-17 10:28:27,434 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-10-17 10:28:27,435 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6938 6940) no Hoare annotation was computed. [2022-10-17 10:28:27,435 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6938 6940) no Hoare annotation was computed. [2022-10-17 10:28:27,435 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6938 6940) the Hoare annotation is: true [2022-10-17 10:28:27,435 INFO L902 garLoopResultBuilder]: At program point __CPROVER_overflow_multENTRY(lines 253 256) the Hoare annotation is: true [2022-10-17 10:28:27,435 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2022-10-17 10:28:27,436 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2022-10-17 10:28:27,436 INFO L899 garLoopResultBuilder]: For program point L8475(lines 8475 8483) no Hoare annotation was computed. [2022-10-17 10:28:27,436 INFO L899 garLoopResultBuilder]: For program point L8450-1(line 8450) no Hoare annotation was computed. [2022-10-17 10:28:27,436 INFO L899 garLoopResultBuilder]: For program point L8475-2(lines 8475 8483) no Hoare annotation was computed. [2022-10-17 10:28:27,436 INFO L895 garLoopResultBuilder]: At program point L8492(line 8492) the Hoare annotation is: false [2022-10-17 10:28:27,437 INFO L899 garLoopResultBuilder]: For program point L8492-1(line 8492) no Hoare annotation was computed. [2022-10-17 10:28:27,437 INFO L899 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2022-10-17 10:28:27,437 INFO L895 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,437 INFO L895 garLoopResultBuilder]: At program point L8451(line 8451) the Hoare annotation is: false [2022-10-17 10:28:27,437 INFO L895 garLoopResultBuilder]: At program point L8451-1(line 8451) the Hoare annotation is: false [2022-10-17 10:28:27,438 INFO L899 garLoopResultBuilder]: For program point L7204-1(line 7204) no Hoare annotation was computed. [2022-10-17 10:28:27,438 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: false [2022-10-17 10:28:27,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:28:27,438 INFO L899 garLoopResultBuilder]: For program point L8451-2(line 8451) no Hoare annotation was computed. [2022-10-17 10:28:27,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:28:27,439 INFO L899 garLoopResultBuilder]: For program point L7196(lines 7196 7200) no Hoare annotation was computed. [2022-10-17 10:28:27,439 INFO L899 garLoopResultBuilder]: For program point L8460(lines 8460 8517) no Hoare annotation was computed. [2022-10-17 10:28:27,439 INFO L895 garLoopResultBuilder]: At program point L6800(lines 6783 6801) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,439 INFO L895 garLoopResultBuilder]: At program point L8452(line 8452) the Hoare annotation is: false [2022-10-17 10:28:27,439 INFO L895 garLoopResultBuilder]: At program point L8452-1(line 8452) the Hoare annotation is: false [2022-10-17 10:28:27,440 INFO L899 garLoopResultBuilder]: For program point L8452-2(line 8452) no Hoare annotation was computed. [2022-10-17 10:28:27,440 INFO L899 garLoopResultBuilder]: For program point L7205(lines 7205 7207) no Hoare annotation was computed. [2022-10-17 10:28:27,440 INFO L902 garLoopResultBuilder]: At program point L8518(line 8518) the Hoare annotation is: true [2022-10-17 10:28:27,440 INFO L895 garLoopResultBuilder]: At program point L8469(line 8469) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,440 INFO L895 garLoopResultBuilder]: At program point L8469-1(line 8469) the Hoare annotation is: (= 0 |ULTIMATE.start_aws_priority_queue_s_swap_harness_#t~ret954#1|) [2022-10-17 10:28:27,441 INFO L899 garLoopResultBuilder]: For program point L8469-2(line 8469) no Hoare annotation was computed. [2022-10-17 10:28:27,441 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: false [2022-10-17 10:28:27,441 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2022-10-17 10:28:27,441 INFO L899 garLoopResultBuilder]: For program point L8511-2(lines 8511 8513) no Hoare annotation was computed. [2022-10-17 10:28:27,441 INFO L899 garLoopResultBuilder]: For program point L8511(lines 8511 8513) no Hoare annotation was computed. [2022-10-17 10:28:27,442 INFO L899 garLoopResultBuilder]: For program point L8454(lines 8454 8457) no Hoare annotation was computed. [2022-10-17 10:28:27,442 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-10-17 10:28:27,442 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-10-17 10:28:27,442 INFO L895 garLoopResultBuilder]: At program point L7191(lines 7191 7208) the Hoare annotation is: false [2022-10-17 10:28:27,442 INFO L899 garLoopResultBuilder]: For program point L6803(lines 6803 6807) no Hoare annotation was computed. [2022-10-17 10:28:27,443 INFO L899 garLoopResultBuilder]: For program point L7183(lines 7183 7189) no Hoare annotation was computed. [2022-10-17 10:28:27,443 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-10-17 10:28:27,443 INFO L895 garLoopResultBuilder]: At program point L8455(line 8455) the Hoare annotation is: false [2022-10-17 10:28:27,443 INFO L899 garLoopResultBuilder]: For program point L8455-1(line 8455) no Hoare annotation was computed. [2022-10-17 10:28:27,443 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:28:27,444 INFO L895 garLoopResultBuilder]: At program point L8480(line 8480) the Hoare annotation is: false [2022-10-17 10:28:27,444 INFO L899 garLoopResultBuilder]: For program point L8480-1(line 8480) no Hoare annotation was computed. [2022-10-17 10:28:27,444 INFO L899 garLoopResultBuilder]: For program point L8447(lines 8447 8458) no Hoare annotation was computed. [2022-10-17 10:28:27,444 INFO L895 garLoopResultBuilder]: At program point L6804-1(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,444 INFO L895 garLoopResultBuilder]: At program point L8472(line 8472) the Hoare annotation is: false [2022-10-17 10:28:27,445 INFO L895 garLoopResultBuilder]: At program point L6804(line 6804) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,445 INFO L899 garLoopResultBuilder]: For program point L8472-1(line 8472) no Hoare annotation was computed. [2022-10-17 10:28:27,445 INFO L899 garLoopResultBuilder]: For program point L7184(lines 7184 7188) no Hoare annotation was computed. [2022-10-17 10:28:27,445 INFO L895 garLoopResultBuilder]: At program point L8456(line 8456) the Hoare annotation is: false [2022-10-17 10:28:27,445 INFO L899 garLoopResultBuilder]: For program point L8456-1(line 8456) no Hoare annotation was computed. [2022-10-17 10:28:27,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:28:27,446 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-10-17 10:28:27,446 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-10-17 10:28:27,446 INFO L895 garLoopResultBuilder]: At program point L8448(line 8448) the Hoare annotation is: false [2022-10-17 10:28:27,446 INFO L895 garLoopResultBuilder]: At program point L8448-1(line 8448) the Hoare annotation is: false [2022-10-17 10:28:27,447 INFO L899 garLoopResultBuilder]: For program point L8448-2(line 8448) no Hoare annotation was computed. [2022-10-17 10:28:27,447 INFO L895 garLoopResultBuilder]: At program point L8473(line 8473) the Hoare annotation is: false [2022-10-17 10:28:27,447 INFO L899 garLoopResultBuilder]: For program point L8473-1(line 8473) no Hoare annotation was computed. [2022-10-17 10:28:27,447 INFO L899 garLoopResultBuilder]: For program point L6805(line 6805) no Hoare annotation was computed. [2022-10-17 10:28:27,447 INFO L895 garLoopResultBuilder]: At program point L8465(line 8465) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,448 INFO L899 garLoopResultBuilder]: For program point L8465-1(line 8465) no Hoare annotation was computed. [2022-10-17 10:28:27,448 INFO L895 garLoopResultBuilder]: At program point L8515(line 8515) the Hoare annotation is: false [2022-10-17 10:28:27,448 INFO L895 garLoopResultBuilder]: At program point L8482(line 8482) the Hoare annotation is: false [2022-10-17 10:28:27,448 INFO L899 garLoopResultBuilder]: For program point L8515-1(line 8515) no Hoare annotation was computed. [2022-10-17 10:28:27,448 INFO L895 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2022-10-17 10:28:27,449 INFO L895 garLoopResultBuilder]: At program point L8507(line 8507) the Hoare annotation is: false [2022-10-17 10:28:27,449 INFO L895 garLoopResultBuilder]: At program point L8507-1(line 8507) the Hoare annotation is: false [2022-10-17 10:28:27,449 INFO L899 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2022-10-17 10:28:27,449 INFO L899 garLoopResultBuilder]: For program point L8482-1(line 8482) no Hoare annotation was computed. [2022-10-17 10:28:27,449 INFO L895 garLoopResultBuilder]: At program point L8449(line 8449) the Hoare annotation is: false [2022-10-17 10:28:27,450 INFO L899 garLoopResultBuilder]: For program point L8449-1(line 8449) no Hoare annotation was computed. [2022-10-17 10:28:27,450 INFO L895 garLoopResultBuilder]: At program point L7186(line 7186) the Hoare annotation is: false [2022-10-17 10:28:27,450 INFO L899 garLoopResultBuilder]: For program point L8507-2(line 8507) no Hoare annotation was computed. [2022-10-17 10:28:27,461 INFO L895 garLoopResultBuilder]: At program point L6798(lines 6798 6799) the Hoare annotation is: (and (<= 2 |ULTIMATE.start_aws_priority_queue_s_swap_harness_~#queue~0#1.base|) (< 0 |#StackHeapBarrier|)) [2022-10-17 10:28:27,462 INFO L899 garLoopResultBuilder]: For program point L7186-1(line 7186) no Hoare annotation was computed. [2022-10-17 10:28:27,462 INFO L899 garLoopResultBuilder]: For program point L6798-1(lines 6798 6799) no Hoare annotation was computed. [2022-10-17 10:28:27,462 INFO L895 garLoopResultBuilder]: At program point L8516(line 8516) the Hoare annotation is: false [2022-10-17 10:28:27,462 INFO L899 garLoopResultBuilder]: For program point L8516-1(line 8516) no Hoare annotation was computed. [2022-10-17 10:28:27,462 INFO L895 garLoopResultBuilder]: At program point L8450(line 8450) the Hoare annotation is: false [2022-10-17 10:28:27,463 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2022-10-17 10:28:27,463 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2022-10-17 10:28:27,463 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-10-17 10:28:27,463 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-10-17 10:28:27,463 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-10-17 10:28:27,464 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-10-17 10:28:27,464 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-10-17 10:28:27,464 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-10-17 10:28:27,468 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-17 10:28:27,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:28:27,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:28:27 BoogieIcfgContainer [2022-10-17 10:28:27,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:28:27,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:28:27,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:28:27,490 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:28:27,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:21" (3/4) ... [2022-10-17 10:28:27,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:28:27,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2022-10-17 10:28:27,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2022-10-17 10:28:27,504 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2022-10-17 10:28:27,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2022-10-17 10:28:27,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2022-10-17 10:28:27,505 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 10:28:27,526 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2022-10-17 10:28:27,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-10-17 10:28:27,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-10-17 10:28:27,533 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 10:28:27,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 10:28:27,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 10:28:27,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:28:27,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:28:28,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:28:28,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:28:28,380 INFO L158 Benchmark]: Toolchain (without parser) took 13379.66ms. Allocated memory was 111.1MB in the beginning and 272.6MB in the end (delta: 161.5MB). Free memory was 79.4MB in the beginning and 90.2MB in the end (delta: -10.8MB). Peak memory consumption was 149.0MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,381 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:28:28,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3927.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 290.49ms. Allocated memory is still 144.7MB. Free memory was 77.3MB in the beginning and 66.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,382 INFO L158 Benchmark]: Boogie Preprocessor took 181.83ms. Allocated memory is still 144.7MB. Free memory was 66.8MB in the beginning and 59.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,383 INFO L158 Benchmark]: RCFGBuilder took 2246.42ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 59.7MB in the beginning and 113.6MB in the end (delta: -53.9MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,383 INFO L158 Benchmark]: TraceAbstraction took 5834.63ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 113.6MB in the beginning and 213.9MB in the end (delta: -100.3MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,384 INFO L158 Benchmark]: Witness Printer took 889.61ms. Allocated memory is still 272.6MB. Free memory was 213.9MB in the beginning and 90.2MB in the end (delta: 123.7MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-10-17 10:28:28,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory was 82.6MB in the beginning and 82.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3927.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 290.49ms. Allocated memory is still 144.7MB. Free memory was 77.3MB in the beginning and 66.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.83ms. Allocated memory is still 144.7MB. Free memory was 66.8MB in the beginning and 59.7MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2246.42ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 59.7MB in the beginning and 113.6MB in the end (delta: -53.9MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5834.63ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 113.6MB in the beginning and 213.9MB in the end (delta: -100.3MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Witness Printer took 889.61ms. Allocated memory is still 272.6MB. Free memory was 213.9MB in the beginning and 90.2MB in the end (delta: 123.7MB). 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, 196 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 1819 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1212 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 607 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 282 PreInvPairs, 294 NumberOfFragments, 160 HoareAnnotationTreeSize, 282 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 4 NumberOfNonLiveVariables, 6908 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 309/309 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: 6783]: Loop Invariant Derived loop invariant: 2 <= queue && 0 < unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 8518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8217]: Loop Invariant Derived loop invariant: !(0 < unknown-#StackHeapBarrier-unknown) || (queue <= 0 && queue <= queue) - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-17 10:28:28,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5393da1-62b3-4cc4-a3c2-fd2ff7f9c65f/bin/uautomizer-J5u9QxTXDZ/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