./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_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_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/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_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/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_87972e27-0853-4905-949c-8555e46c302f/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 a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b --- 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 10:30:00,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:00,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:00,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:00,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:00,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:00,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:00,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:00,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:00,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:00,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:00,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:00,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:00,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:00,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:00,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:00,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:00,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:00,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:00,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:00,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:00,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:00,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:00,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:00,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:00,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:00,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:00,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:00,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:00,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:00,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:00,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:00,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:00,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:00,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:00,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:00,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:00,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:00,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:00,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:00,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:00,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:30:00,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:00,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:00,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:00,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:00,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:30:00,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:30:00,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:00,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:00,869 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:00,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:00,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:00,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:00,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:30:00,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:30:00,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:30:00,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:00,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:00,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:30:00,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:00,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:00,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:30:00,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:00,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:00,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:30:00,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:30:00,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:00,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:30:00,877 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:30:00,877 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:30:00,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:30:00,878 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_87972e27-0853-4905-949c-8555e46c302f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b [2022-10-17 10:30:01,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:01,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:01,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:01,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:01,333 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:01,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2022-10-17 10:30:01,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/data/57944537a/8cd2fbd49a3f4e2899bbdd19a0e7af24/FLAGb2c1c38f7 [2022-10-17 10:30:02,382 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:02,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2022-10-17 10:30:02,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/data/57944537a/8cd2fbd49a3f4e2899bbdd19a0e7af24/FLAGb2c1c38f7 [2022-10-17 10:30:02,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/data/57944537a/8cd2fbd49a3f4e2899bbdd19a0e7af24 [2022-10-17 10:30:02,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:02,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:02,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:02,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:02,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:02,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:02" (1/1) ... [2022-10-17 10:30:02,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671cd9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:02, skipping insertion in model container [2022-10-17 10:30:02,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:02" (1/1) ... [2022-10-17 10:30:02,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:02,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:03,356 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_87972e27-0853-4905-949c-8555e46c302f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2022-10-17 10:30:03,365 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_87972e27-0853-4905-949c-8555e46c302f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2022-10-17 10:30:04,597 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,598 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,598 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,600 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,601 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,625 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,629 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:04,630 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:05,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:30:05,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:30:05,173 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:30:05,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:30:05,183 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:30:05,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:30:05,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:30:05,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:30:05,193 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:30:05,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:30:05,484 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:30:05,656 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:05,657 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:05,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:05,909 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:05,944 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_87972e27-0853-4905-949c-8555e46c302f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2022-10-17 10:30:05,945 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_87972e27-0853-4905-949c-8555e46c302f/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2022-10-17 10:30:06,009 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,010 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,011 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,013 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,013 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,021 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,022 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,024 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,028 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 10:30:06,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 10:30:06,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 10:30:06,084 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 10:30:06,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 10:30:06,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 10:30:06,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 10:30:06,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 10:30:06,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 10:30:06,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 10:30:06,130 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 10:30:06,216 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,217 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 10:30:06,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:06,554 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:06,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06 WrapperNode [2022-10-17 10:30:06,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:06,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:06,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:06,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:06,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:06,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:06,871 INFO L138 Inliner]: procedures = 695, calls = 2923, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1203 [2022-10-17 10:30:06,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:06,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:06,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:06,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:06,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:06,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:06,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:06,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:07,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:07,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:07,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:07,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (1/1) ... [2022-10-17 10:30:07,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:07,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:07,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-10-17 10:30:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-10-17 10:30:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2022-10-17 10:30:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-10-17 10:30:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-10-17 10:30:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-10-17 10:30:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-10-17 10:30:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-10-17 10:30:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-10-17 10:30:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-10-17 10:30:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 10:30:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 10:30:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:30:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:30:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-10-17 10:30:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-10-17 10:30:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-17 10:30:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-17 10:30:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2022-10-17 10:30:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2022-10-17 10:30:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:30:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:30:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2022-10-17 10:30:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2022-10-17 10:30:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:30:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:30:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-10-17 10:30:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-10-17 10:30:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2022-10-17 10:30:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2022-10-17 10:30:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-10-17 10:30:07,193 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-10-17 10:30:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2022-10-17 10:30:07,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2022-10-17 10:30:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2022-10-17 10:30:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2022-10-17 10:30:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-10-17 10:30:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-10-17 10:30:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2022-10-17 10:30:07,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2022-10-17 10:30:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-10-17 10:30:07,195 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-10-17 10:30:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2022-10-17 10:30:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2022-10-17 10:30:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2022-10-17 10:30:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2022-10-17 10:30:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:30:07,633 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:07,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:09,909 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:09,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:09,935 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:30:09,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:09 BoogieIcfgContainer [2022-10-17 10:30:09,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:09,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:30:09,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:30:09,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:30:09,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:30:02" (1/3) ... [2022-10-17 10:30:09,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dd5f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:09, skipping insertion in model container [2022-10-17 10:30:09,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:06" (2/3) ... [2022-10-17 10:30:09,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dd5f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:09, skipping insertion in model container [2022-10-17 10:30:09,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:09" (3/3) ... [2022-10-17 10:30:09,951 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2022-10-17 10:30:09,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:30:09,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-17 10:30:10,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:30:10,067 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;@2c5fe888, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:30:10,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-17 10:30:10,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 234 states have internal predecessors, (281), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-17 10:30:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 10:30:10,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:10,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-17 10:30:10,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:10,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1080850555, now seen corresponding path program 1 times [2022-10-17 10:30:10,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:10,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493993784] [2022-10-17 10:30:10,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:10,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:30:11,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:11,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493993784] [2022-10-17 10:30:11,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493993784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:11,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:11,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:30:11,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109573594] [2022-10-17 10:30:11,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:11,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:30:11,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:11,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:30:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:11,120 INFO L87 Difference]: Start difference. First operand has 409 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 234 states have internal predecessors, (281), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:30:12,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:12,182 INFO L93 Difference]: Finished difference Result 812 states and 1289 transitions. [2022-10-17 10:30:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:30:12,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2022-10-17 10:30:12,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:12,213 INFO L225 Difference]: With dead ends: 812 [2022-10-17 10:30:12,213 INFO L226 Difference]: Without dead ends: 403 [2022-10-17 10:30:12,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:12,234 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 118 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:12,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 727 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-17 10:30:12,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-10-17 10:30:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2022-10-17 10:30:12,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 227 states have (on average 1.2026431718061674) internal successors, (273), 229 states have internal predecessors, (273), 154 states have call successors, (154), 20 states have call predecessors, (154), 20 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-10-17 10:30:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 580 transitions. [2022-10-17 10:30:12,367 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 580 transitions. Word has length 52 [2022-10-17 10:30:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:12,401 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 580 transitions. [2022-10-17 10:30:12,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-17 10:30:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 580 transitions. [2022-10-17 10:30:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 10:30:12,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:12,405 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-10-17 10:30:12,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:30:12,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:12,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash 135004093, now seen corresponding path program 1 times [2022-10-17 10:30:12,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:12,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199560412] [2022-10-17 10:30:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:12,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:30:13,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:13,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199560412] [2022-10-17 10:30:13,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199560412] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:13,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:13,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-17 10:30:13,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468239624] [2022-10-17 10:30:13,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:13,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:30:13,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:13,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:30:13,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:30:13,503 INFO L87 Difference]: Start difference. First operand 403 states and 580 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-17 10:30:15,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:15,404 INFO L93 Difference]: Finished difference Result 801 states and 1203 transitions. [2022-10-17 10:30:15,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:30:15,405 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2022-10-17 10:30:15,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:15,411 INFO L225 Difference]: With dead ends: 801 [2022-10-17 10:30:15,412 INFO L226 Difference]: Without dead ends: 415 [2022-10-17 10:30:15,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-10-17 10:30:15,418 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 158 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:15,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2217 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-17 10:30:15,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-10-17 10:30:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2022-10-17 10:30:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 236 states have (on average 1.2076271186440677) internal successors, (285), 238 states have internal predecessors, (285), 155 states have call successors, (155), 22 states have call predecessors, (155), 22 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-17 10:30:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 594 transitions. [2022-10-17 10:30:15,464 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 594 transitions. Word has length 52 [2022-10-17 10:30:15,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:15,465 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 594 transitions. [2022-10-17 10:30:15,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-17 10:30:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 594 transitions. [2022-10-17 10:30:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 10:30:15,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:15,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-10-17 10:30:15,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:30:15,470 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:15,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:15,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1441797306, now seen corresponding path program 1 times [2022-10-17 10:30:15,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:15,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753920137] [2022-10-17 10:30:15,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:15,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:30:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:30:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 10:30:16,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:16,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753920137] [2022-10-17 10:30:16,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753920137] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:16,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045194213] [2022-10-17 10:30:16,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:16,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:16,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:16,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:30:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:17,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:30:17,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 10:30:17,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:17,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045194213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:17,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:30:17,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-10-17 10:30:17,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221426086] [2022-10-17 10:30:17,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:17,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:30:17,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:17,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:30:17,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:30:17,452 INFO L87 Difference]: Start difference. First operand 415 states and 594 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-17 10:30:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:17,585 INFO L93 Difference]: Finished difference Result 431 states and 613 transitions. [2022-10-17 10:30:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:30:17,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2022-10-17 10:30:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:17,591 INFO L225 Difference]: With dead ends: 431 [2022-10-17 10:30:17,591 INFO L226 Difference]: Without dead ends: 428 [2022-10-17 10:30:17,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:30:17,593 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 26 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3437 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:17,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3437 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:30:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-10-17 10:30:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2022-10-17 10:30:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 246 states have (on average 1.2154471544715446) internal successors, (299), 248 states have internal predecessors, (299), 156 states have call successors, (156), 24 states have call predecessors, (156), 24 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-17 10:30:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2022-10-17 10:30:17,627 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 85 [2022-10-17 10:30:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:17,628 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2022-10-17 10:30:17,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-10-17 10:30:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2022-10-17 10:30:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-10-17 10:30:17,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:17,634 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 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 10:30:17,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:17,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:17,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:17,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:17,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1782702804, now seen corresponding path program 1 times [2022-10-17 10:30:17,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:17,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355034538] [2022-10-17 10:30:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:30:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:30:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:30:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:30:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:30:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-17 10:30:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-17 10:30:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-17 10:30:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:30:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:30:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-17 10:30:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-17 10:30:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-17 10:30:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-17 10:30:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 10:30:19,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:19,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355034538] [2022-10-17 10:30:19,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355034538] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:19,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390673841] [2022-10-17 10:30:19,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:19,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:19,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:19,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:30:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:20,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:30:20,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-10-17 10:30:20,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:20,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390673841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:20,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:30:20,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2022-10-17 10:30:20,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774179663] [2022-10-17 10:30:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:20,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:30:20,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:20,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:30:20,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:20,310 INFO L87 Difference]: Start difference. First operand 428 states and 610 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-17 10:30:20,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:20,367 INFO L93 Difference]: Finished difference Result 821 states and 1189 transitions. [2022-10-17 10:30:20,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:30:20,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 259 [2022-10-17 10:30:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:20,374 INFO L225 Difference]: With dead ends: 821 [2022-10-17 10:30:20,374 INFO L226 Difference]: Without dead ends: 432 [2022-10-17 10:30:20,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 344 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 10:30:20,379 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 3 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:20,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1721 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:30:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-10-17 10:30:20,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2022-10-17 10:30:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 250 states have internal predecessors, (301), 156 states have call successors, (156), 24 states have call predecessors, (156), 24 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2022-10-17 10:30:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 612 transitions. [2022-10-17 10:30:20,414 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 612 transitions. Word has length 259 [2022-10-17 10:30:20,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:20,417 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 612 transitions. [2022-10-17 10:30:20,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-17 10:30:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 612 transitions. [2022-10-17 10:30:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-10-17 10:30:20,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:20,429 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 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 10:30:20,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:20,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:20,652 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:20,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:20,653 INFO L85 PathProgramCache]: Analyzing trace with hash -391632620, now seen corresponding path program 1 times [2022-10-17 10:30:20,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:20,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665764834] [2022-10-17 10:30:20,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:21,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:30:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:30:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:30:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:30:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:30:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-17 10:30:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-17 10:30:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-17 10:30:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:30:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:30:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-17 10:30:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-17 10:30:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-17 10:30:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-17 10:30:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-10-17 10:30:22,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:22,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665764834] [2022-10-17 10:30:22,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665764834] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:22,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954430925] [2022-10-17 10:30:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:22,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:22,020 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-17 10:30:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:22,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 3248 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 10:30:22,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-10-17 10:30:22,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:22,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954430925] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:22,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:30:22,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-10-17 10:30:22,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748313970] [2022-10-17 10:30:22,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:22,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:30:22,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:22,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:30:22,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:30:22,932 INFO L87 Difference]: Start difference. First operand 430 states and 612 transitions. Second operand has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-10-17 10:30:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:23,053 INFO L93 Difference]: Finished difference Result 788 states and 1126 transitions. [2022-10-17 10:30:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:30:23,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 259 [2022-10-17 10:30:23,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:23,059 INFO L225 Difference]: With dead ends: 788 [2022-10-17 10:30:23,059 INFO L226 Difference]: Without dead ends: 440 [2022-10-17 10:30:23,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:30:23,063 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 17 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:23,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3444 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:30:23,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-10-17 10:30:23,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-10-17 10:30:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 255 states have (on average 1.2117647058823529) internal successors, (309), 257 states have internal predecessors, (309), 157 states have call successors, (157), 26 states have call predecessors, (157), 26 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-10-17 10:30:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 622 transitions. [2022-10-17 10:30:23,097 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 622 transitions. Word has length 259 [2022-10-17 10:30:23,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:23,098 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 622 transitions. [2022-10-17 10:30:23,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-10-17 10:30:23,099 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 622 transitions. [2022-10-17 10:30:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-10-17 10:30:23,105 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:23,105 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 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 10:30:23,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:23,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:23,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:23,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:23,333 INFO L85 PathProgramCache]: Analyzing trace with hash 338403982, now seen corresponding path program 1 times [2022-10-17 10:30:23,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:23,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132021069] [2022-10-17 10:30:23,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:23,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:30:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:30:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:30:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-17 10:30:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:30:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-17 10:30:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-17 10:30:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-17 10:30:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-17 10:30:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-17 10:30:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-17 10:30:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-17 10:30:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-10-17 10:30:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-17 10:30:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-17 10:30:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-17 10:30:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-10-17 10:30:24,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:24,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132021069] [2022-10-17 10:30:24,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132021069] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:24,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246905989] [2022-10-17 10:30:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:24,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,817 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-17 10:30:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:25,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:30:25,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-10-17 10:30:25,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:25,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246905989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:25,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:30:25,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-10-17 10:30:25,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720880619] [2022-10-17 10:30:25,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:25,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:30:25,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:25,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:30:25,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:30:25,894 INFO L87 Difference]: Start difference. First operand 440 states and 622 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-10-17 10:30:26,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:26,966 INFO L93 Difference]: Finished difference Result 844 states and 1210 transitions. [2022-10-17 10:30:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:30:26,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 269 [2022-10-17 10:30:26,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:30:26,976 INFO L225 Difference]: With dead ends: 844 [2022-10-17 10:30:26,976 INFO L226 Difference]: Without dead ends: 443 [2022-10-17 10:30:26,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-10-17 10:30:26,983 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 588 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-17 10:30:26,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1875 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-17 10:30:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-10-17 10:30:27,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2022-10-17 10:30:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 257 states have (on average 1.2101167315175096) internal successors, (311), 260 states have internal predecessors, (311), 157 states have call successors, (157), 26 states have call predecessors, (157), 27 states have return successors, (168), 156 states have call predecessors, (168), 156 states have call successors, (168) [2022-10-17 10:30:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 636 transitions. [2022-10-17 10:30:27,027 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 636 transitions. Word has length 269 [2022-10-17 10:30:27,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:30:27,028 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 636 transitions. [2022-10-17 10:30:27,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 4 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2022-10-17 10:30:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 636 transitions. [2022-10-17 10:30:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-10-17 10:30:27,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:30:27,035 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:30:27,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:27,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:27,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:30:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1357424935, now seen corresponding path program 1 times [2022-10-17 10:30:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:27,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555549268] [2022-10-17 10:30:27,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:30:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:30:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:30:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:30:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:30:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:30:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:30:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:30:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-17 10:30:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-17 10:30:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-17 10:30:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-17 10:30:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-17 10:30:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-17 10:30:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-17 10:30:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-17 10:30:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:30:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:30:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:30:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-17 10:30:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-17 10:30:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-17 10:30:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-17 10:30:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:30:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-17 10:30:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-10-17 10:30:28,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:28,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555549268] [2022-10-17 10:30:28,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555549268] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:28,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544151736] [2022-10-17 10:30:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:28,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:28,581 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:28,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87972e27-0853-4905-949c-8555e46c302f/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-17 10:30:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:29,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:30:29,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-10-17 10:30:29,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:30:29,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544151736] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:29,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:30:29,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2022-10-17 10:30:29,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494872610] [2022-10-17 10:30:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:29,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:30:29,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:30:29,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:30:29,564 INFO L87 Difference]: Start difference. First operand 443 states and 636 transitions. Second operand has 8 states, 7 states have (on average 14.428571428571429) internal successors, (101), 8 states have internal predecessors, (101), 5 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36)