./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-5e519f3 [2022-11-02 20:27:52,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:27:52,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:27:52,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:27:52,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:27:52,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:27:52,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:27:52,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:27:52,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:27:52,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:27:52,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:27:52,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:27:52,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:27:52,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:27:52,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:27:52,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:27:52,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:27:52,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:27:52,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:27:52,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:27:52,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:27:52,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:27:52,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:27:52,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:27:52,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:27:52,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:27:52,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:27:52,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:27:52,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:27:52,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:27:52,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:27:52,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:27:52,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:27:52,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:27:52,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:27:52,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:27:52,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:27:52,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:27:52,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:27:52,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:27:52,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:27:52,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:27:52,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:27:52,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:27:52,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:27:52,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:27:52,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:27:52,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:27:52,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:27:52,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:27:52,843 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:27:52,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:27:52,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:27:52,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:27:52,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:27:52,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:27:52,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:27:52,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:27:52,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:27:52,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:27:52,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:27:52,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:27:52,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:27:52,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:52,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:27:52,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:27:52,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:27:52,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:27:52,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:27:52,850 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:27:52,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:27:52,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:27:52,851 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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a99219981ed729bbe98ee164646a9fab36b2f68695363dc5b6e7677163d6c74b [2022-11-02 20:27:53,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:27:53,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:27:53,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:27:53,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:27:53,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:27:53,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2022-11-02 20:27:53,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/data/eaf14207c/54463fa7c63b4caaa6ecf9abdab31925/FLAG630c82db4 [2022-11-02 20:27:54,376 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:27:54,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i [2022-11-02 20:27:54,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/data/eaf14207c/54463fa7c63b4caaa6ecf9abdab31925/FLAG630c82db4 [2022-11-02 20:27:54,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/data/eaf14207c/54463fa7c63b4caaa6ecf9abdab31925 [2022-11-02 20:27:54,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:27:54,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:27:54,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:54,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:27:54,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:27:54,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:54" (1/1) ... [2022-11-02 20:27:54,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5f1747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:54, skipping insertion in model container [2022-11-02 20:27:54,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:54" (1/1) ... [2022-11-02 20:27:54,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:27:54,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:27:55,187 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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2022-11-02 20:27:55,195 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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2022-11-02 20:27:56,297 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,301 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,302 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,303 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,305 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,339 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,340 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,343 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,344 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:56,856 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:27:56,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:27:56,859 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:27:56,861 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:27:56,863 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:27:56,864 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:27:56,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:27:56,866 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:27:56,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:27:56,868 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:27:57,162 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:27:57,298 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,299 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:57,595 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:27:57,631 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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4503,4516] [2022-11-02 20:27:57,631 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_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_up_to_harness.i[4563,4576] [2022-11-02 20:27:57,696 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,701 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,703 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,704 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,706 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,716 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,716 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,720 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,726 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:27:57,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:27:57,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:27:57,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:27:57,795 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:27:57,805 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:27:57,806 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:27:57,807 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:27:57,808 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:27:57,808 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:27:57,847 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:27:57,933 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:57,934 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:27:58,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:27:58,422 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:27:58,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58 WrapperNode [2022-11-02 20:27:58,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:27:58,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:58,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:27:58,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:27:58,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,708 INFO L138 Inliner]: procedures = 695, calls = 2923, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1203 [2022-11-02 20:27:58,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:27:58,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:27:58,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:27:58,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:27:58,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:27:58,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:27:58,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:27:58,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:27:58,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (1/1) ... [2022-11-02 20:27:58,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:27:58,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:27:58,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:27:58,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:27:58,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-02 20:27:58,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-02 20:27:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2022-11-02 20:27:58,941 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-11-02 20:27:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:27:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 20:27:58,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 20:27:58,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-11-02 20:27:58,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-11-02 20:27:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:27:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-02 20:27:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-02 20:27:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:27:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:27:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:27:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:27:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:27:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-11-02 20:27:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-11-02 20:27:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:27:58,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:27:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:27:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:27:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2022-11-02 20:27:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2022-11-02 20:27:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:27:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:27:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2022-11-02 20:27:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2022-11-02 20:27:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:27:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:27:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:27:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:27:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:27:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2022-11-02 20:27:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2022-11-02 20:27:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 20:27:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 20:27:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2022-11-02 20:27:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2022-11-02 20:27:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2022-11-02 20:27:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2022-11-02 20:27:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 20:27:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 20:27:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:27:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2022-11-02 20:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2022-11-02 20:27:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-11-02 20:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-11-02 20:27:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2022-11-02 20:27:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2022-11-02 20:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2022-11-02 20:27:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2022-11-02 20:27:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:27:59,451 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:27:59,454 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:28:01,932 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:28:01,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:28:01,947 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:28:01,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:01 BoogieIcfgContainer [2022-11-02 20:28:01,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:28:01,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:28:01,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:28:01,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:28:01,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:27:54" (1/3) ... [2022-11-02 20:28:01,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a22bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:28:01, skipping insertion in model container [2022-11-02 20:28:01,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:58" (2/3) ... [2022-11-02 20:28:01,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a22bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:28:01, skipping insertion in model container [2022-11-02 20:28:01,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:01" (3/3) ... [2022-11-02 20:28:01,963 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_up_to_harness.i [2022-11-02 20:28:01,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:28:01,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-02 20:28:02,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:28:02,090 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;@323c9bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:28:02,091 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-02 20:28:02,098 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) [2022-11-02 20:28:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:28:02,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:02,113 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] [2022-11-02 20:28:02,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:02,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1080850555, now seen corresponding path program 1 times [2022-11-02 20:28:02,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:02,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937603195] [2022-11-02 20:28:02,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:02,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:28:03,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:03,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937603195] [2022-11-02 20:28:03,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937603195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:03,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:03,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:28:03,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325086149] [2022-11-02 20:28:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:03,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:28:03,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:03,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:28:03,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:28:03,157 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) [2022-11-02 20:28:04,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:04,274 INFO L93 Difference]: Finished difference Result 812 states and 1289 transitions. [2022-11-02 20:28:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:28:04,277 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 [2022-11-02 20:28:04,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:04,311 INFO L225 Difference]: With dead ends: 812 [2022-11-02 20:28:04,311 INFO L226 Difference]: Without dead ends: 403 [2022-11-02 20:28:04,323 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 [2022-11-02 20:28:04,334 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 [2022-11-02 20:28:04,336 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] [2022-11-02 20:28:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-11-02 20:28:04,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2022-11-02 20:28:04,470 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) [2022-11-02 20:28:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 580 transitions. [2022-11-02 20:28:04,480 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 580 transitions. Word has length 52 [2022-11-02 20:28:04,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:04,481 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 580 transitions. [2022-11-02 20:28:04,482 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) [2022-11-02 20:28:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 580 transitions. [2022-11-02 20:28:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:28:04,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:04,485 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] [2022-11-02 20:28:04,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:28:04,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:04,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:04,488 INFO L85 PathProgramCache]: Analyzing trace with hash 135004093, now seen corresponding path program 1 times [2022-11-02 20:28:04,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:04,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369714795] [2022-11-02 20:28:04,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:04,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:28:05,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:05,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369714795] [2022-11-02 20:28:05,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369714795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:05,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:05,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:28:05,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569962508] [2022-11-02 20:28:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:05,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:28:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:28:05,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:28:05,652 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) [2022-11-02 20:28:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:08,008 INFO L93 Difference]: Finished difference Result 801 states and 1203 transitions. [2022-11-02 20:28:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:28:08,009 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 [2022-11-02 20:28:08,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:08,014 INFO L225 Difference]: With dead ends: 801 [2022-11-02 20:28:08,024 INFO L226 Difference]: Without dead ends: 415 [2022-11-02 20:28:08,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:08,029 INFO L413 NwaCegarLoop]: 552 mSDtfsCounter, 158 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:08,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2217 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-02 20:28:08,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-11-02 20:28:08,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2022-11-02 20:28:08,070 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) [2022-11-02 20:28:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 594 transitions. [2022-11-02 20:28:08,075 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 594 transitions. Word has length 52 [2022-11-02 20:28:08,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:08,076 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 594 transitions. [2022-11-02 20:28:08,077 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) [2022-11-02 20:28:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 594 transitions. [2022-11-02 20:28:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-02 20:28:08,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:08,080 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] [2022-11-02 20:28:08,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:28:08,081 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:08,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1441797306, now seen corresponding path program 1 times [2022-11-02 20:28:08,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:08,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444651906] [2022-11-02 20:28:08,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:08,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 20:28:09,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:09,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444651906] [2022-11-02 20:28:09,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444651906] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:09,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791875081] [2022-11-02 20:28:09,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:09,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:09,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:09,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:09,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:28:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:10,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:28:10,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:28:10,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:10,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791875081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:10,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:10,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-02 20:28:10,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697683271] [2022-11-02 20:28:10,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:10,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:10,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:10,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:10,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:28:10,328 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) [2022-11-02 20:28:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:10,473 INFO L93 Difference]: Finished difference Result 431 states and 613 transitions. [2022-11-02 20:28:10,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:10,474 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 [2022-11-02 20:28:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:10,482 INFO L225 Difference]: With dead ends: 431 [2022-11-02 20:28:10,482 INFO L226 Difference]: Without dead ends: 428 [2022-11-02 20:28:10,483 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 [2022-11-02 20:28:10,485 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 [2022-11-02 20:28:10,491 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] [2022-11-02 20:28:10,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-11-02 20:28:10,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2022-11-02 20:28:10,545 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) [2022-11-02 20:28:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 610 transitions. [2022-11-02 20:28:10,552 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 610 transitions. Word has length 85 [2022-11-02 20:28:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:10,555 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 610 transitions. [2022-11-02 20:28:10,555 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) [2022-11-02 20:28:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 610 transitions. [2022-11-02 20:28:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-02 20:28:10,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:10,572 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] [2022-11-02 20:28:10,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:10,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:10,790 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:10,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:10,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1782702804, now seen corresponding path program 1 times [2022-11-02 20:28:10,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009093967] [2022-11-02 20:28:10,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:10,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:28:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:28:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:28:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:28:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:28:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:28:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-02 20:28:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:28:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:28:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-02 20:28:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009093967] [2022-11-02 20:28:12,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009093967] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052119691] [2022-11-02 20:28:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:12,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:12,362 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:12,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:28:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:13,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 3258 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:28:13,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-02 20:28:13,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:13,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052119691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:13,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:13,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2022-11-02 20:28:13,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530854078] [2022-11-02 20:28:13,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:13,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:28:13,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:13,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:28:13,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:28:13,299 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) [2022-11-02 20:28:13,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:13,383 INFO L93 Difference]: Finished difference Result 821 states and 1189 transitions. [2022-11-02 20:28:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:28:13,384 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 [2022-11-02 20:28:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:13,388 INFO L225 Difference]: With dead ends: 821 [2022-11-02 20:28:13,388 INFO L226 Difference]: Without dead ends: 432 [2022-11-02 20:28:13,391 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 [2022-11-02 20:28:13,392 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 [2022-11-02 20:28:13,392 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] [2022-11-02 20:28:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-11-02 20:28:13,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 430. [2022-11-02 20:28:13,417 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) [2022-11-02 20:28:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 612 transitions. [2022-11-02 20:28:13,422 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 612 transitions. Word has length 259 [2022-11-02 20:28:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:13,424 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 612 transitions. [2022-11-02 20:28:13,425 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) [2022-11-02 20:28:13,425 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 612 transitions. [2022-11-02 20:28:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-02 20:28:13,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:13,432 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] [2022-11-02 20:28:13,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:13,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:13,649 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:13,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:13,650 INFO L85 PathProgramCache]: Analyzing trace with hash -391632620, now seen corresponding path program 1 times [2022-11-02 20:28:13,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:13,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466553405] [2022-11-02 20:28:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:28:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:28:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:28:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:28:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:28:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:28:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-02 20:28:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:28:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:28:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-11-02 20:28:15,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:15,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466553405] [2022-11-02 20:28:15,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466553405] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:15,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012060896] [2022-11-02 20:28:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:15,052 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:15,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:28:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:15,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 3248 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:28:16,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-02 20:28:16,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:16,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012060896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:16,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:16,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-02 20:28:16,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278998730] [2022-11-02 20:28:16,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:16,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:16,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:16,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:16,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:28:16,105 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) [2022-11-02 20:28:16,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:16,248 INFO L93 Difference]: Finished difference Result 788 states and 1126 transitions. [2022-11-02 20:28:16,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:16,249 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 [2022-11-02 20:28:16,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:16,254 INFO L225 Difference]: With dead ends: 788 [2022-11-02 20:28:16,254 INFO L226 Difference]: Without dead ends: 440 [2022-11-02 20:28:16,256 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 [2022-11-02 20:28:16,257 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:16,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3444 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-02 20:28:16,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-11-02 20:28:16,282 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) [2022-11-02 20:28:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 622 transitions. [2022-11-02 20:28:16,287 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 622 transitions. Word has length 259 [2022-11-02 20:28:16,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:16,288 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 622 transitions. [2022-11-02 20:28:16,289 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) [2022-11-02 20:28:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 622 transitions. [2022-11-02 20:28:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-02 20:28:16,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:16,294 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] [2022-11-02 20:28:16,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:16,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:16,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:16,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:16,518 INFO L85 PathProgramCache]: Analyzing trace with hash 338403982, now seen corresponding path program 1 times [2022-11-02 20:28:16,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:16,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615586266] [2022-11-02 20:28:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:16,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:28:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:28:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:28:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:28:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:28:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:28:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-02 20:28:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:28:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:28:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 20:28:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:28:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:18,003 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-02 20:28:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:18,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615586266] [2022-11-02 20:28:18,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615586266] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:18,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130486664] [2022-11-02 20:28:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:18,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:18,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:18,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:18,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:28:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:19,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 3300 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:28:19,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-11-02 20:28:19,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:19,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130486664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:19,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:19,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-02 20:28:19,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40707969] [2022-11-02 20:28:19,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:19,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:19,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:19,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:28:19,235 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) [2022-11-02 20:28:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:20,629 INFO L93 Difference]: Finished difference Result 844 states and 1210 transitions. [2022-11-02 20:28:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:28:20,630 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 [2022-11-02 20:28:20,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:20,636 INFO L225 Difference]: With dead ends: 844 [2022-11-02 20:28:20,637 INFO L226 Difference]: Without dead ends: 443 [2022-11-02 20:28:20,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:28:20,640 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 588 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:20,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1875 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:28:20,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-11-02 20:28:20,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2022-11-02 20:28:20,694 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) [2022-11-02 20:28:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 636 transitions. [2022-11-02 20:28:20,701 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 636 transitions. Word has length 269 [2022-11-02 20:28:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:20,702 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 636 transitions. [2022-11-02 20:28:20,702 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) [2022-11-02 20:28:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 636 transitions. [2022-11-02 20:28:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-02 20:28:20,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:20,708 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] [2022-11-02 20:28:20,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:20,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:20,921 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:20,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:20,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1357424935, now seen corresponding path program 1 times [2022-11-02 20:28:20,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:20,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059940148] [2022-11-02 20:28:20,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:20,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:28:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:21,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:28:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:28:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:28:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:28:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:28:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:28:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:28:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:28:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-02 20:28:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-02 20:28:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 20:28:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:28:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-02 20:28:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-11-02 20:28:22,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:22,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059940148] [2022-11-02 20:28:22,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059940148] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:22,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285790507] [2022-11-02 20:28:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:22,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:22,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:22,380 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:28:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:23,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 3316 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:28:23,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-02 20:28:23,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:23,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285790507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:23,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:23,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2022-11-02 20:28:23,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841474739] [2022-11-02 20:28:23,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:23,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:28:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:28:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:28:23,576 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) [2022-11-02 20:28:25,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:25,056 INFO L93 Difference]: Finished difference Result 819 states and 1185 transitions. [2022-11-02 20:28:25,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:25,057 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 271 [2022-11-02 20:28:25,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:25,062 INFO L225 Difference]: With dead ends: 819 [2022-11-02 20:28:25,062 INFO L226 Difference]: Without dead ends: 443 [2022-11-02 20:28:25,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:28:25,068 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 710 mSDsluCounter, 1585 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:25,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [710 Valid, 1993 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:28:25,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-11-02 20:28:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2022-11-02 20:28:25,103 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, (158), 156 states have call predecessors, (158), 156 states have call successors, (158) [2022-11-02 20:28:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 626 transitions. [2022-11-02 20:28:25,108 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 626 transitions. Word has length 271 [2022-11-02 20:28:25,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:25,113 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 626 transitions. [2022-11-02 20:28:25,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-11-02 20:28:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 626 transitions. [2022-11-02 20:28:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-02 20:28:25,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:25,119 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, 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] [2022-11-02 20:28:25,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:25,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-02 20:28:25,333 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:25,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1106925038, now seen corresponding path program 1 times [2022-11-02 20:28:25,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:25,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078132799] [2022-11-02 20:28:25,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:25,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:28:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:28:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:28:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:28:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:28:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:28:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:28:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:28:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:28:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:28:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:28:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-02 20:28:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:28:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 20:28:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:28:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-11-02 20:28:26,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:26,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078132799] [2022-11-02 20:28:26,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078132799] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:26,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078731207] [2022-11-02 20:28:26,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:26,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:26,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:26,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:26,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:28:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:27,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 3332 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:28:27,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-11-02 20:28:27,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:27,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078731207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:27,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:27,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-11-02 20:28:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104142842] [2022-11-02 20:28:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:27,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:28:27,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:28:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:28:27,837 INFO L87 Difference]: Start difference. First operand 443 states and 626 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:28,001 INFO L93 Difference]: Finished difference Result 885 states and 1250 transitions. [2022-11-02 20:28:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:28:28,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 273 [2022-11-02 20:28:28,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:28,008 INFO L225 Difference]: With dead ends: 885 [2022-11-02 20:28:28,008 INFO L226 Difference]: Without dead ends: 454 [2022-11-02 20:28:28,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:28,012 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 7 mSDsluCounter, 1664 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:28,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2231 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:28,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-11-02 20:28:28,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-11-02 20:28:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.2030651340996168) internal successors, (314), 265 states have internal predecessors, (314), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 633 transitions. [2022-11-02 20:28:28,055 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 633 transitions. Word has length 273 [2022-11-02 20:28:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:28,056 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 633 transitions. [2022-11-02 20:28:28,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 633 transitions. [2022-11-02 20:28:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-02 20:28:28,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:28,063 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 5, 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, 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] [2022-11-02 20:28:28,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:28,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-02 20:28:28,277 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash -931612834, now seen corresponding path program 1 times [2022-11-02 20:28:28,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:28,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708325681] [2022-11-02 20:28:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:28,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:28:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:28:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:28:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 20:28:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:28:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:28:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:28:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:28:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 20:28:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:28:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:28:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:28:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:28:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:28:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:28:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-02 20:28:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 20:28:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:29,487 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-11-02 20:28:29,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708325681] [2022-11-02 20:28:29,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708325681] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:29,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671823515] [2022-11-02 20:28:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:29,491 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:29,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:28:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:30,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 20:28:30,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2022-11-02 20:28:30,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:30,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671823515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:30,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:30,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-11-02 20:28:30,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914988959] [2022-11-02 20:28:30,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:30,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:28:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:28:30,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:28:30,527 INFO L87 Difference]: Start difference. First operand 450 states and 633 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:30,650 INFO L93 Difference]: Finished difference Result 871 states and 1263 transitions. [2022-11-02 20:28:30,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:28:30,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 275 [2022-11-02 20:28:30,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:30,655 INFO L225 Difference]: With dead ends: 871 [2022-11-02 20:28:30,655 INFO L226 Difference]: Without dead ends: 450 [2022-11-02 20:28:30,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:30,660 INFO L413 NwaCegarLoop]: 574 mSDtfsCounter, 7 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2268 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:30,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2268 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:30,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-02 20:28:30,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-11-02 20:28:30,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1954022988505748) internal successors, (312), 265 states have internal predecessors, (312), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 631 transitions. [2022-11-02 20:28:30,697 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 631 transitions. Word has length 275 [2022-11-02 20:28:30,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:30,698 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 631 transitions. [2022-11-02 20:28:30,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 631 transitions. [2022-11-02 20:28:30,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-02 20:28:30,704 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:30,704 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 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, 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] [2022-11-02 20:28:30,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:30,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:30,929 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:30,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:30,930 INFO L85 PathProgramCache]: Analyzing trace with hash -73187568, now seen corresponding path program 1 times [2022-11-02 20:28:30,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:30,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946538373] [2022-11-02 20:28:30,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:30,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:28:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:28:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:28:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:28:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:28:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:28:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 20:28:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:28:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-02 20:28:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:28:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-02 20:28:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-02 20:28:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-02 20:28:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-11-02 20:28:32,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:32,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946538373] [2022-11-02 20:28:32,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946538373] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:32,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542482187] [2022-11-02 20:28:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:32,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:32,157 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:28:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:33,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 3346 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:33,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-02 20:28:33,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:33,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542482187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:33,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:33,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:33,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850712778] [2022-11-02 20:28:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:33,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:33,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:33,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:33,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:33,237 INFO L87 Difference]: Start difference. First operand 450 states and 631 transitions. Second operand has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:33,488 INFO L93 Difference]: Finished difference Result 895 states and 1255 transitions. [2022-11-02 20:28:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:33,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 280 [2022-11-02 20:28:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:33,493 INFO L225 Difference]: With dead ends: 895 [2022-11-02 20:28:33,494 INFO L226 Difference]: Without dead ends: 454 [2022-11-02 20:28:33,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:33,498 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 19 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:33,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3330 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:33,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-11-02 20:28:33,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-11-02 20:28:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1915708812260537) internal successors, (311), 265 states have internal predecessors, (311), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 630 transitions. [2022-11-02 20:28:33,547 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 630 transitions. Word has length 280 [2022-11-02 20:28:33,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:33,548 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 630 transitions. [2022-11-02 20:28:33,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 630 transitions. [2022-11-02 20:28:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-02 20:28:33,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:33,552 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 5, 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, 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] [2022-11-02 20:28:33,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:33,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:28:33,769 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:33,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2146100224, now seen corresponding path program 1 times [2022-11-02 20:28:33,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:33,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222930503] [2022-11-02 20:28:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:28:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:28:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-02 20:28:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:28:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:28:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:28:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:28:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:28:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-02 20:28:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:28:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-02 20:28:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:28:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:28:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:28:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-02 20:28:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2022-11-02 20:28:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:35,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222930503] [2022-11-02 20:28:35,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222930503] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:35,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714174281] [2022-11-02 20:28:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:35,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:35,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:35,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 20:28:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:35,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:35,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-02 20:28:36,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:36,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714174281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:36,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:36,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:36,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619486052] [2022-11-02 20:28:36,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:36,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:36,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:36,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:36,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:36,113 INFO L87 Difference]: Start difference. First operand 450 states and 630 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:36,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:36,360 INFO L93 Difference]: Finished difference Result 892 states and 1250 transitions. [2022-11-02 20:28:36,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:36,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 282 [2022-11-02 20:28:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:36,365 INFO L225 Difference]: With dead ends: 892 [2022-11-02 20:28:36,365 INFO L226 Difference]: Without dead ends: 454 [2022-11-02 20:28:36,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:36,369 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 18 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:36,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3326 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-11-02 20:28:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-11-02 20:28:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1877394636015326) internal successors, (310), 265 states have internal predecessors, (310), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 629 transitions. [2022-11-02 20:28:36,406 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 629 transitions. Word has length 282 [2022-11-02 20:28:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:36,407 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 629 transitions. [2022-11-02 20:28:36,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 629 transitions. [2022-11-02 20:28:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-02 20:28:36,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:36,410 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 5, 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, 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] [2022-11-02 20:28:36,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:36,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:36,621 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:36,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:36,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1895487992, now seen corresponding path program 1 times [2022-11-02 20:28:36,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:36,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514048411] [2022-11-02 20:28:36,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:36,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:28:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:28:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 20:28:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:28:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 20:28:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 20:28:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:28:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 20:28:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:28:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-02 20:28:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 20:28:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:28:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:28:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-02 20:28:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-02 20:28:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-11-02 20:28:38,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:38,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514048411] [2022-11-02 20:28:38,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514048411] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:38,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5798478] [2022-11-02 20:28:38,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:38,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:38,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:38,020 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 20:28:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:38,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:39,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-02 20:28:39,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:39,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5798478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:39,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:39,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:39,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476755251] [2022-11-02 20:28:39,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:39,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:39,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:39,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:39,115 INFO L87 Difference]: Start difference. First operand 450 states and 629 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:39,366 INFO L93 Difference]: Finished difference Result 892 states and 1248 transitions. [2022-11-02 20:28:39,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:39,367 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 284 [2022-11-02 20:28:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:39,372 INFO L225 Difference]: With dead ends: 892 [2022-11-02 20:28:39,372 INFO L226 Difference]: Without dead ends: 454 [2022-11-02 20:28:39,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:39,377 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 17 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:39,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3322 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:39,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-11-02 20:28:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-11-02 20:28:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1839080459770115) internal successors, (309), 265 states have internal predecessors, (309), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 628 transitions. [2022-11-02 20:28:39,427 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 628 transitions. Word has length 284 [2022-11-02 20:28:39,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:39,429 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 628 transitions. [2022-11-02 20:28:39,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 3 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:28:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 628 transitions. [2022-11-02 20:28:39,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-02 20:28:39,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:39,433 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 5, 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, 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] [2022-11-02 20:28:39,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:39,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:39,661 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:39,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:39,662 INFO L85 PathProgramCache]: Analyzing trace with hash -895476864, now seen corresponding path program 1 times [2022-11-02 20:28:39,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:39,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636878521] [2022-11-02 20:28:39,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:39,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:28:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-02 20:28:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:28:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-02 20:28:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 20:28:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:28:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-02 20:28:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:28:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:28:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:28:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-02 20:28:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:28:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-02 20:28:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-02 20:28:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-02 20:28:40,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:40,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636878521] [2022-11-02 20:28:40,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636878521] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:40,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793056443] [2022-11-02 20:28:40,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:40,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:40,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:40,823 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:40,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 20:28:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:41,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:41,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-02 20:28:41,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:41,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793056443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:41,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:41,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:41,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603863215] [2022-11-02 20:28:41,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:41,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:41,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:41,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:41,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:41,856 INFO L87 Difference]: Start difference. First operand 450 states and 628 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:42,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:42,046 INFO L93 Difference]: Finished difference Result 866 states and 1251 transitions. [2022-11-02 20:28:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:42,047 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 286 [2022-11-02 20:28:42,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:42,051 INFO L225 Difference]: With dead ends: 866 [2022-11-02 20:28:42,051 INFO L226 Difference]: Without dead ends: 450 [2022-11-02 20:28:42,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:42,056 INFO L413 NwaCegarLoop]: 569 mSDtfsCounter, 18 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3373 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:42,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3373 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-02 20:28:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-11-02 20:28:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1800766283524904) internal successors, (308), 265 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 627 transitions. [2022-11-02 20:28:42,127 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 627 transitions. Word has length 286 [2022-11-02 20:28:42,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:42,128 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 627 transitions. [2022-11-02 20:28:42,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 627 transitions. [2022-11-02 20:28:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-02 20:28:42,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:42,133 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-11-02 20:28:42,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:42,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-02 20:28:42,349 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:42,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:42,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1184844672, now seen corresponding path program 1 times [2022-11-02 20:28:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:42,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065695832] [2022-11-02 20:28:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:42,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:28:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:28:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:28:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:28:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-02 20:28:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:28:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:28:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-02 20:28:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-02 20:28:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-02 20:28:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-02 20:28:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:28:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:28:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:28:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:28:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:28:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-02 20:28:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-02 20:28:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-02 20:28:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 20:28:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-02 20:28:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:43,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065695832] [2022-11-02 20:28:43,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065695832] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:43,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308907898] [2022-11-02 20:28:43,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:43,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:43,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:43,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:43,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 20:28:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:44,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 3366 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:44,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-02 20:28:44,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:44,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308907898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:44,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:44,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744435363] [2022-11-02 20:28:44,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:44,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:44,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:44,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:44,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:44,711 INFO L87 Difference]: Start difference. First operand 450 states and 627 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:44,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:44,939 INFO L93 Difference]: Finished difference Result 868 states and 1253 transitions. [2022-11-02 20:28:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:44,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 290 [2022-11-02 20:28:44,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:44,944 INFO L225 Difference]: With dead ends: 868 [2022-11-02 20:28:44,944 INFO L226 Difference]: Without dead ends: 452 [2022-11-02 20:28:44,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:44,948 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 17 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3369 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:44,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3369 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:44,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-11-02 20:28:44,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 450. [2022-11-02 20:28:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1762452107279693) internal successors, (307), 265 states have internal predecessors, (307), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:44,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 626 transitions. [2022-11-02 20:28:44,984 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 626 transitions. Word has length 290 [2022-11-02 20:28:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:44,984 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 626 transitions. [2022-11-02 20:28:44,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 626 transitions. [2022-11-02 20:28:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-02 20:28:44,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:44,988 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-11-02 20:28:45,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:45,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-02 20:28:45,209 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:45,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:45,210 INFO L85 PathProgramCache]: Analyzing trace with hash 2085225984, now seen corresponding path program 1 times [2022-11-02 20:28:45,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:45,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665824786] [2022-11-02 20:28:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:45,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:28:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:28:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:28:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:28:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-02 20:28:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-02 20:28:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-02 20:28:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-02 20:28:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-02 20:28:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-02 20:28:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:28:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:28:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:28:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-02 20:28:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:28:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 20:28:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-02 20:28:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-02 20:28:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-11-02 20:28:46,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:46,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665824786] [2022-11-02 20:28:46,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665824786] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:46,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576772189] [2022-11-02 20:28:46,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:46,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:46,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:46,311 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:46,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 20:28:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:47,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 3374 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:47,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-02 20:28:47,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:47,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576772189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:47,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:47,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-11-02 20:28:47,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030566205] [2022-11-02 20:28:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:47,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:47,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:28:47,322 INFO L87 Difference]: Start difference. First operand 450 states and 626 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:47,500 INFO L93 Difference]: Finished difference Result 868 states and 1251 transitions. [2022-11-02 20:28:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:28:47,501 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 294 [2022-11-02 20:28:47,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:47,505 INFO L225 Difference]: With dead ends: 868 [2022-11-02 20:28:47,505 INFO L226 Difference]: Without dead ends: 452 [2022-11-02 20:28:47,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:28:47,509 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 19 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2803 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:47,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2803 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:47,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2022-11-02 20:28:47,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 450. [2022-11-02 20:28:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 261 states have (on average 1.1724137931034482) internal successors, (306), 265 states have internal predecessors, (306), 158 states have call successors, (158), 27 states have call predecessors, (158), 29 states have return successors, (161), 157 states have call predecessors, (161), 157 states have call successors, (161) [2022-11-02 20:28:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 625 transitions. [2022-11-02 20:28:47,546 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 625 transitions. Word has length 294 [2022-11-02 20:28:47,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:47,546 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 625 transitions. [2022-11-02 20:28:47,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-02 20:28:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 625 transitions. [2022-11-02 20:28:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-02 20:28:47,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:47,550 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:28:47,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:47,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-02 20:28:47,765 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:47,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:47,766 INFO L85 PathProgramCache]: Analyzing trace with hash 229928448, now seen corresponding path program 2 times [2022-11-02 20:28:47,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:47,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529302697] [2022-11-02 20:28:47,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:28:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:28:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:28:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:28:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:28:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-02 20:28:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:28:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:28:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:28:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:28:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:28:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:28:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-02 20:28:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:28:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:28:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-02 20:28:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:28:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2022-11-02 20:28:48,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:48,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529302697] [2022-11-02 20:28:48,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529302697] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:28:48,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85203584] [2022-11-02 20:28:48,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:28:48,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:28:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:48,791 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:28:48,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 20:28:51,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:28:51,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:28:51,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:28:51,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:28:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-02 20:28:51,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:28:51,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85203584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:51,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:28:51,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-11-02 20:28:51,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459280529] [2022-11-02 20:28:51,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:51,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:28:51,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:51,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:28:51,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:28:51,616 INFO L87 Difference]: Start difference. First operand 450 states and 625 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:28:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:51,783 INFO L93 Difference]: Finished difference Result 842 states and 1195 transitions. [2022-11-02 20:28:51,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:28:51,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 298 [2022-11-02 20:28:51,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:51,788 INFO L225 Difference]: With dead ends: 842 [2022-11-02 20:28:51,788 INFO L226 Difference]: Without dead ends: 453 [2022-11-02 20:28:51,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:28:51,792 INFO L413 NwaCegarLoop]: 557 mSDtfsCounter, 153 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:51,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1912 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:28:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-11-02 20:28:51,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2022-11-02 20:28:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 263 states have (on average 1.1711026615969582) internal successors, (308), 268 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 30 states have return successors, (174), 157 states have call predecessors, (174), 157 states have call successors, (174) [2022-11-02 20:28:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 640 transitions. [2022-11-02 20:28:51,832 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 640 transitions. Word has length 298 [2022-11-02 20:28:51,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:51,833 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 640 transitions. [2022-11-02 20:28:51,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-02 20:28:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 640 transitions. [2022-11-02 20:28:51,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-02 20:28:51,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:51,836 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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, 1, 1, 1] [2022-11-02 20:28:51,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:52,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-02 20:28:52,054 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:52,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash 283100203, now seen corresponding path program 1 times [2022-11-02 20:28:52,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:52,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84237735] [2022-11-02 20:28:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:28:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:28:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:28:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:28:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:28:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:28:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:28:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:28:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:28:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:28:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:28:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:28:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:28:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:28:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:28:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:28:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:28:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:28:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:28:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:28:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:28:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:28:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:28:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:28:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:28:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-02 20:28:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-02 20:28:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:28:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-02 20:28:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:28:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2022-11-02 20:28:53,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:28:53,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84237735] [2022-11-02 20:28:53,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84237735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:28:53,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:28:53,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:28:53,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460905334] [2022-11-02 20:28:53,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:28:53,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:28:53,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:28:53,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:28:53,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:28:53,257 INFO L87 Difference]: Start difference. First operand 453 states and 640 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-02 20:28:55,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:28:55,236 INFO L93 Difference]: Finished difference Result 836 states and 1192 transitions. [2022-11-02 20:28:55,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:28:55,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 304 [2022-11-02 20:28:55,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:28:55,242 INFO L225 Difference]: With dead ends: 836 [2022-11-02 20:28:55,243 INFO L226 Difference]: Without dead ends: 453 [2022-11-02 20:28:55,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:28:55,257 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 397 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 400 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:28:55,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1525 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [400 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-02 20:28:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-11-02 20:28:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2022-11-02 20:28:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 263 states have (on average 1.1711026615969582) internal successors, (308), 268 states have internal predecessors, (308), 158 states have call successors, (158), 27 states have call predecessors, (158), 30 states have return successors, (164), 157 states have call predecessors, (164), 157 states have call successors, (164) [2022-11-02 20:28:55,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 630 transitions. [2022-11-02 20:28:55,319 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 630 transitions. Word has length 304 [2022-11-02 20:28:55,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:28:55,320 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 630 transitions. [2022-11-02 20:28:55,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-02 20:28:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 630 transitions. [2022-11-02 20:28:55,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:28:55,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:28:55,324 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:28:55,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 20:28:55,325 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:28:55,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:55,326 INFO L85 PathProgramCache]: Analyzing trace with hash 2090771040, now seen corresponding path program 1 times [2022-11-02 20:28:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:55,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727505770] [2022-11-02 20:28:55,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:29:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:29:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:29:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:29:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:29:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:29:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:29:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:29:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:29:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:29:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:29:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:29:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:29:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:29:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:29:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:29:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:29:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:29:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:29:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:29:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:29:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-11-02 20:29:02,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:02,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727505770] [2022-11-02 20:29:02,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727505770] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:02,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007695813] [2022-11-02 20:29:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:02,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:02,099 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:02,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-02 20:29:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:03,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 3416 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-02 20:29:03,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:03,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:29:04,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-02 20:29:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-02 20:29:05,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:29:07,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007695813] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:07,940 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:29:07,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2022-11-02 20:29:07,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020078441] [2022-11-02 20:29:07,940 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:29:07,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-02 20:29:07,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:07,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-02 20:29:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2022-11-02 20:29:07,943 INFO L87 Difference]: Start difference. First operand 453 states and 630 transitions. Second operand has 31 states, 29 states have (on average 7.068965517241379) internal successors, (205), 24 states have internal predecessors, (205), 12 states have call successors, (72), 4 states have call predecessors, (72), 11 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) [2022-11-02 20:29:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:15,472 INFO L93 Difference]: Finished difference Result 944 states and 1319 transitions. [2022-11-02 20:29:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-02 20:29:15,474 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 7.068965517241379) internal successors, (205), 24 states have internal predecessors, (205), 12 states have call successors, (72), 4 states have call predecessors, (72), 11 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) Word has length 310 [2022-11-02 20:29:15,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:15,479 INFO L225 Difference]: With dead ends: 944 [2022-11-02 20:29:15,479 INFO L226 Difference]: Without dead ends: 518 [2022-11-02 20:29:15,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 608 SyntacticMatches, 13 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 969 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=316, Invalid=4105, Unknown=1, NotChecked=0, Total=4422 [2022-11-02 20:29:15,484 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 156 mSDsluCounter, 5534 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 5199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 741 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:15,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 6083 Invalid, 5199 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [171 Valid, 4287 Invalid, 0 Unknown, 741 Unchecked, 5.8s Time] [2022-11-02 20:29:15,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-11-02 20:29:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 505. [2022-11-02 20:29:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 303 states have (on average 1.165016501650165) internal successors, (353), 308 states have internal predecessors, (353), 164 states have call successors, (164), 33 states have call predecessors, (164), 36 states have return successors, (183), 163 states have call predecessors, (183), 163 states have call successors, (183) [2022-11-02 20:29:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 700 transitions. [2022-11-02 20:29:15,532 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 700 transitions. Word has length 310 [2022-11-02 20:29:15,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:15,533 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 700 transitions. [2022-11-02 20:29:15,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 7.068965517241379) internal successors, (205), 24 states have internal predecessors, (205), 12 states have call successors, (72), 4 states have call predecessors, (72), 11 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) [2022-11-02 20:29:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 700 transitions. [2022-11-02 20:29:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:29:15,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:15,537 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:29:15,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:15,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-02 20:29:15,757 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:15,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash 587672734, now seen corresponding path program 1 times [2022-11-02 20:29:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:15,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594864300] [2022-11-02 20:29:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:15,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:29:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:29:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:29:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:29:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:29:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:29:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:29:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:29:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:29:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:29:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:29:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:29:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:29:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:29:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:29:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:29:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:29:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:29:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:29:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:29:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:29:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:17,813 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-02 20:29:17,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:17,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594864300] [2022-11-02 20:29:17,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594864300] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:17,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921336225] [2022-11-02 20:29:17,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:17,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:17,816 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:17,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-02 20:29:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:18,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-02 20:29:18,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:19,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:29:19,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-11-02 20:29:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-02 20:29:20,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:29:23,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921336225] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:23,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:29:23,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16] total 22 [2022-11-02 20:29:23,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681913594] [2022-11-02 20:29:23,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:29:23,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-02 20:29:23,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:23,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-02 20:29:23,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=892, Unknown=1, NotChecked=0, Total=992 [2022-11-02 20:29:23,062 INFO L87 Difference]: Start difference. First operand 505 states and 700 transitions. Second operand has 22 states, 20 states have (on average 9.8) internal successors, (196), 17 states have internal predecessors, (196), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) [2022-11-02 20:29:26,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:26,310 INFO L93 Difference]: Finished difference Result 934 states and 1326 transitions. [2022-11-02 20:29:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-02 20:29:26,312 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 9.8) internal successors, (196), 17 states have internal predecessors, (196), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) Word has length 310 [2022-11-02 20:29:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:26,317 INFO L225 Difference]: With dead ends: 934 [2022-11-02 20:29:26,317 INFO L226 Difference]: Without dead ends: 507 [2022-11-02 20:29:26,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 599 SyntacticMatches, 12 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=176, Invalid=1629, Unknown=1, NotChecked=0, Total=1806 [2022-11-02 20:29:26,321 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 282 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 4456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1649 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:26,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 4318 Invalid, 4456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2650 Invalid, 0 Unknown, 1649 Unchecked, 2.8s Time] [2022-11-02 20:29:26,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-11-02 20:29:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 502. [2022-11-02 20:29:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 300 states have (on average 1.1633333333333333) internal successors, (349), 305 states have internal predecessors, (349), 164 states have call successors, (164), 33 states have call predecessors, (164), 36 states have return successors, (183), 163 states have call predecessors, (183), 163 states have call successors, (183) [2022-11-02 20:29:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 696 transitions. [2022-11-02 20:29:26,371 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 696 transitions. Word has length 310 [2022-11-02 20:29:26,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:26,372 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 696 transitions. [2022-11-02 20:29:26,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 9.8) internal successors, (196), 17 states have internal predecessors, (196), 9 states have call successors, (69), 4 states have call predecessors, (69), 9 states have return successors, (69), 10 states have call predecessors, (69), 9 states have call successors, (69) [2022-11-02 20:29:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 696 transitions. [2022-11-02 20:29:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:29:26,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:26,375 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:29:26,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:26,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:26,602 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:26,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:26,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1676802206, now seen corresponding path program 1 times [2022-11-02 20:29:26,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:26,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371522840] [2022-11-02 20:29:26,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:26,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:29:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:29:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:29:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:29:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:29:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:29:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:29:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:29:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:29:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:29:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:29:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:29:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:29:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:29:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:29:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:29:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:29:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:29:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:29:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:29:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:29:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 5 proven. 60 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-11-02 20:29:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:33,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371522840] [2022-11-02 20:29:33,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371522840] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:33,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498785101] [2022-11-02 20:29:33,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:33,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:33,369 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:33,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-02 20:29:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:34,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 47 conjunts are in the unsatisfiable core [2022-11-02 20:29:34,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:34,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:29:35,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-02 20:29:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-02 20:29:36,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:29:39,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498785101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:39,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:29:39,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16] total 34 [2022-11-02 20:29:39,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201532627] [2022-11-02 20:29:39,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:29:39,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-02 20:29:39,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:39,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-02 20:29:39,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1757, Unknown=1, NotChecked=0, Total=1892 [2022-11-02 20:29:39,094 INFO L87 Difference]: Start difference. First operand 502 states and 696 transitions. Second operand has 34 states, 31 states have (on average 6.741935483870968) internal successors, (209), 27 states have internal predecessors, (209), 12 states have call successors, (72), 4 states have call predecessors, (72), 12 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) [2022-11-02 20:29:48,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:29:48,993 INFO L93 Difference]: Finished difference Result 1000 states and 1466 transitions. [2022-11-02 20:29:48,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-02 20:29:48,994 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 6.741935483870968) internal successors, (209), 27 states have internal predecessors, (209), 12 states have call successors, (72), 4 states have call predecessors, (72), 12 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) Word has length 310 [2022-11-02 20:29:48,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:29:48,999 INFO L225 Difference]: With dead ends: 1000 [2022-11-02 20:29:48,999 INFO L226 Difference]: Without dead ends: 570 [2022-11-02 20:29:49,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 606 SyntacticMatches, 13 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=362, Invalid=5337, Unknown=1, NotChecked=0, Total=5700 [2022-11-02 20:29:49,004 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 165 mSDsluCounter, 5917 mSDsCounter, 0 mSdLazyCounter, 6060 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 6481 SdHoareTripleChecker+Invalid, 7063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 6060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 825 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:29:49,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 6481 Invalid, 7063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 6060 Invalid, 0 Unknown, 825 Unchecked, 7.4s Time] [2022-11-02 20:29:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-11-02 20:29:49,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 524. [2022-11-02 20:29:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 317 states have (on average 1.167192429022082) internal successors, (370), 322 states have internal predecessors, (370), 166 states have call successors, (166), 34 states have call predecessors, (166), 39 states have return successors, (200), 167 states have call predecessors, (200), 165 states have call successors, (200) [2022-11-02 20:29:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 736 transitions. [2022-11-02 20:29:49,067 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 736 transitions. Word has length 310 [2022-11-02 20:29:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:29:49,068 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 736 transitions. [2022-11-02 20:29:49,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 6.741935483870968) internal successors, (209), 27 states have internal predecessors, (209), 12 states have call successors, (72), 4 states have call predecessors, (72), 12 states have return successors, (72), 14 states have call predecessors, (72), 12 states have call successors, (72) [2022-11-02 20:29:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 736 transitions. [2022-11-02 20:29:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:29:49,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:29:49,072 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:29:49,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-02 20:29:49,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:49,294 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:29:49,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:49,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1484996258, now seen corresponding path program 1 times [2022-11-02 20:29:49,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:49,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690611454] [2022-11-02 20:29:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:49,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:29:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:29:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:29:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:29:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:29:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:29:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:29:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:29:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:29:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:29:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:29:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:29:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:29:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:29:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:29:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:29:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:29:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:29:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:29:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:29:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:29:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:29:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:29:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:29:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:29:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:29:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:54,848 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-11-02 20:29:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:54,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690611454] [2022-11-02 20:29:54,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690611454] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:29:54,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362201314] [2022-11-02 20:29:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:54,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:29:54,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:54,850 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:29:54,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-02 20:29:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:55,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 83 conjunts are in the unsatisfiable core [2022-11-02 20:29:55,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:29:55,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:29:57,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-11-02 20:29:58,031 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-02 20:29:58,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 23 [2022-11-02 20:29:58,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-11-02 20:29:58,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-02 20:29:58,225 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-02 20:29:58,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 29 [2022-11-02 20:30:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 209 proven. 17 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2022-11-02 20:30:00,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:03,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362201314] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:03,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:30:03,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 40 [2022-11-02 20:30:03,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170245261] [2022-11-02 20:30:03,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:03,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-02 20:30:03,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:03,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-02 20:30:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2466, Unknown=1, NotChecked=0, Total=2652 [2022-11-02 20:30:03,493 INFO L87 Difference]: Start difference. First operand 524 states and 736 transitions. Second operand has 40 states, 36 states have (on average 6.083333333333333) internal successors, (219), 31 states have internal predecessors, (219), 19 states have call successors, (71), 4 states have call predecessors, (71), 11 states have return successors, (72), 22 states have call predecessors, (72), 19 states have call successors, (72) [2022-11-02 20:30:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:12,283 INFO L93 Difference]: Finished difference Result 1094 states and 1543 transitions. [2022-11-02 20:30:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-02 20:30:12,284 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 36 states have (on average 6.083333333333333) internal successors, (219), 31 states have internal predecessors, (219), 19 states have call successors, (71), 4 states have call predecessors, (71), 11 states have return successors, (72), 22 states have call predecessors, (72), 19 states have call successors, (72) Word has length 310 [2022-11-02 20:30:12,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:12,290 INFO L225 Difference]: With dead ends: 1094 [2022-11-02 20:30:12,290 INFO L226 Difference]: Without dead ends: 640 [2022-11-02 20:30:12,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 496 SyntacticMatches, 25 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1816 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=418, Invalid=6553, Unknown=1, NotChecked=0, Total=6972 [2022-11-02 20:30:12,296 INFO L413 NwaCegarLoop]: 581 mSDtfsCounter, 203 mSDsluCounter, 7491 mSDsCounter, 0 mSdLazyCounter, 6286 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 8072 SdHoareTripleChecker+Invalid, 8507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 6286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2024 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:12,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 8072 Invalid, 8507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 6286 Invalid, 0 Unknown, 2024 Unchecked, 6.7s Time] [2022-11-02 20:30:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-11-02 20:30:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 598. [2022-11-02 20:30:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 377 states have (on average 1.1724137931034482) internal successors, (442), 382 states have internal predecessors, (442), 172 states have call successors, (172), 41 states have call predecessors, (172), 47 states have return successors, (187), 174 states have call predecessors, (187), 171 states have call successors, (187) [2022-11-02 20:30:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 801 transitions. [2022-11-02 20:30:12,358 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 801 transitions. Word has length 310 [2022-11-02 20:30:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:12,359 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 801 transitions. [2022-11-02 20:30:12,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 36 states have (on average 6.083333333333333) internal successors, (219), 31 states have internal predecessors, (219), 19 states have call successors, (71), 4 states have call predecessors, (71), 11 states have return successors, (72), 22 states have call predecessors, (72), 19 states have call successors, (72) [2022-11-02 20:30:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 801 transitions. [2022-11-02 20:30:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:30:12,363 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:12,363 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 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, 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] [2022-11-02 20:30:12,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:12,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-02 20:30:12,569 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:12,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:12,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1406557982, now seen corresponding path program 1 times [2022-11-02 20:30:12,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:12,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604916311] [2022-11-02 20:30:12,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:12,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:30:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:30:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:30:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:30:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:30:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:30:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:30:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:30:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:30:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:30:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:30:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:30:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:30:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:30:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:30:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:30:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:30:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:30:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:30:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-11-02 20:30:17,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:17,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604916311] [2022-11-02 20:30:17,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604916311] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:17,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579445496] [2022-11-02 20:30:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:17,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:17,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:17,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:17,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-02 20:30:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:18,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-02 20:30:18,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:18,641 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:30:19,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2022-11-02 20:30:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-02 20:30:20,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:20,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579445496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:20,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:30:20,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [21] total 32 [2022-11-02 20:30:20,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026365889] [2022-11-02 20:30:20,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:20,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 20:30:20,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:20,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:30:20,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2022-11-02 20:30:20,389 INFO L87 Difference]: Start difference. First operand 598 states and 801 transitions. Second operand has 17 states, 17 states have (on average 7.705882352941177) internal successors, (131), 14 states have internal predecessors, (131), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) [2022-11-02 20:30:21,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:21,445 INFO L93 Difference]: Finished difference Result 1109 states and 1499 transitions. [2022-11-02 20:30:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 20:30:21,446 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.705882352941177) internal successors, (131), 14 states have internal predecessors, (131), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) Word has length 310 [2022-11-02 20:30:21,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:21,452 INFO L225 Difference]: With dead ends: 1109 [2022-11-02 20:30:21,452 INFO L226 Difference]: Without dead ends: 596 [2022-11-02 20:30:21,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 375 SyntacticMatches, 13 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2022-11-02 20:30:21,456 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 156 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 434 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:21,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 4345 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 569 Invalid, 0 Unknown, 434 Unchecked, 0.9s Time] [2022-11-02 20:30:21,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-11-02 20:30:21,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2022-11-02 20:30:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 375 states have (on average 1.1733333333333333) internal successors, (440), 381 states have internal predecessors, (440), 172 states have call successors, (172), 41 states have call predecessors, (172), 47 states have return successors, (186), 173 states have call predecessors, (186), 171 states have call successors, (186) [2022-11-02 20:30:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 798 transitions. [2022-11-02 20:30:21,538 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 798 transitions. Word has length 310 [2022-11-02 20:30:21,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:21,539 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 798 transitions. [2022-11-02 20:30:21,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.705882352941177) internal successors, (131), 14 states have internal predecessors, (131), 8 states have call successors, (39), 3 states have call predecessors, (39), 8 states have return successors, (39), 11 states have call predecessors, (39), 8 states have call successors, (39) [2022-11-02 20:30:21,540 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 798 transitions. [2022-11-02 20:30:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:30:21,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:21,544 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-11-02 20:30:21,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:21,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:21,757 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:21,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:21,758 INFO L85 PathProgramCache]: Analyzing trace with hash 956843938, now seen corresponding path program 1 times [2022-11-02 20:30:21,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:21,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004532283] [2022-11-02 20:30:21,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:30:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:30:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:30:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:30:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:30:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:30:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:30:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:30:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:30:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:30:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:30:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:30:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:30:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:30:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:30:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:30:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:30:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:30:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:30:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-02 20:30:23,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004532283] [2022-11-02 20:30:23,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004532283] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132478543] [2022-11-02 20:30:23,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:23,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:23,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:23,251 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:23,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-02 20:30:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:24,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 3421 conjuncts, 58 conjunts are in the unsatisfiable core [2022-11-02 20:30:24,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:24,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-02 20:30:24,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-02 20:30:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 280 proven. 5 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-02 20:30:25,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:26,604 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2022-11-02 20:30:26,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-02 20:30:28,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132478543] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:28,857 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:30:28,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 20] total 26 [2022-11-02 20:30:28,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205294801] [2022-11-02 20:30:28,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:28,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-02 20:30:28,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:28,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-02 20:30:28,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1417, Unknown=1, NotChecked=0, Total=1560 [2022-11-02 20:30:28,860 INFO L87 Difference]: Start difference. First operand 596 states and 798 transitions. Second operand has 26 states, 25 states have (on average 8.08) internal successors, (202), 21 states have internal predecessors, (202), 8 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) [2022-11-02 20:30:32,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:32,124 INFO L93 Difference]: Finished difference Result 1155 states and 1582 transitions. [2022-11-02 20:30:32,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-02 20:30:32,125 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 8.08) internal successors, (202), 21 states have internal predecessors, (202), 8 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) Word has length 310 [2022-11-02 20:30:32,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:32,129 INFO L225 Difference]: With dead ends: 1155 [2022-11-02 20:30:32,129 INFO L226 Difference]: Without dead ends: 640 [2022-11-02 20:30:32,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 594 SyntacticMatches, 12 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=233, Invalid=2736, Unknown=1, NotChecked=0, Total=2970 [2022-11-02 20:30:32,134 INFO L413 NwaCegarLoop]: 588 mSDtfsCounter, 266 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 2611 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 3471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 2611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 700 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:32,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 3961 Invalid, 3471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 2611 Invalid, 0 Unknown, 700 Unchecked, 2.5s Time] [2022-11-02 20:30:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-11-02 20:30:32,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 618. [2022-11-02 20:30:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 396 states have (on average 1.1717171717171717) internal successors, (464), 401 states have internal predecessors, (464), 172 states have call successors, (172), 41 states have call predecessors, (172), 48 states have return successors, (197), 175 states have call predecessors, (197), 171 states have call successors, (197) [2022-11-02 20:30:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 833 transitions. [2022-11-02 20:30:32,197 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 833 transitions. Word has length 310 [2022-11-02 20:30:32,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:32,198 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 833 transitions. [2022-11-02 20:30:32,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 8.08) internal successors, (202), 21 states have internal predecessors, (202), 8 states have call successors, (69), 4 states have call predecessors, (69), 8 states have return successors, (70), 10 states have call predecessors, (70), 8 states have call successors, (70) [2022-11-02 20:30:32,198 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 833 transitions. [2022-11-02 20:30:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:30:32,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:32,202 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-11-02 20:30:32,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:32,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-02 20:30:32,425 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:32,426 INFO L85 PathProgramCache]: Analyzing trace with hash 351069156, now seen corresponding path program 1 times [2022-11-02 20:30:32,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:32,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155994660] [2022-11-02 20:30:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:32,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:30:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:30:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:30:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:30:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:30:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:30:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:30:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:30:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:30:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:30:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:30:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:30:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:30:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:30:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:30:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:30:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:30:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:30:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:30:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-02 20:30:33,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:33,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155994660] [2022-11-02 20:30:33,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155994660] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:33,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974360250] [2022-11-02 20:30:33,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:33,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:33,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:33,777 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:33,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-02 20:30:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3416 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-02 20:30:34,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-02 20:30:34,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:30:34,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974360250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:34,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:30:34,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 9 [2022-11-02 20:30:34,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047061732] [2022-11-02 20:30:34,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:34,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:30:34,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:34,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:30:34,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:30:34,752 INFO L87 Difference]: Start difference. First operand 618 states and 833 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-02 20:30:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:34,885 INFO L93 Difference]: Finished difference Result 1169 states and 1602 transitions. [2022-11-02 20:30:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:30:34,886 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 310 [2022-11-02 20:30:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:34,891 INFO L225 Difference]: With dead ends: 1169 [2022-11-02 20:30:34,891 INFO L226 Difference]: Without dead ends: 624 [2022-11-02 20:30:34,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:30:34,895 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 6 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3596 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:34,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3596 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:30:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-11-02 20:30:34,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 611. [2022-11-02 20:30:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 391 states have (on average 1.1713554987212276) internal successors, (458), 396 states have internal predecessors, (458), 171 states have call successors, (171), 41 states have call predecessors, (171), 47 states have return successors, (194), 173 states have call predecessors, (194), 170 states have call successors, (194) [2022-11-02 20:30:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2022-11-02 20:30:34,960 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 310 [2022-11-02 20:30:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:34,960 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2022-11-02 20:30:34,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 6 states have internal predecessors, (121), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-02 20:30:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2022-11-02 20:30:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-02 20:30:34,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:34,964 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-11-02 20:30:35,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:35,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-02 20:30:35,183 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:35,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash 286782110, now seen corresponding path program 1 times [2022-11-02 20:30:35,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:35,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294630698] [2022-11-02 20:30:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:35,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:30:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:30:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:30:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:30:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:30:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:30:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:30:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-02 20:30:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-02 20:30:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-11-02 20:30:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:30:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:30:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-02 20:30:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:30:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:30:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:30:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:30:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:30:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:30:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-02 20:30:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-02 20:30:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:30:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:30:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-02 20:30:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2022-11-02 20:30:36,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:36,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294630698] [2022-11-02 20:30:36,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294630698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:30:36,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956363176] [2022-11-02 20:30:36,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:36,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:30:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:36,548 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:30:36,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-02 20:30:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:37,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-02 20:30:37,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:30:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 269 proven. 3 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-02 20:30:37,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:30:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 15 proven. 37 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-02 20:30:38,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956363176] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:30:38,125 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:30:38,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 13] total 18 [2022-11-02 20:30:38,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469626232] [2022-11-02 20:30:38,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:30:38,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:30:38,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:38,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:30:38,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:30:38,128 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand has 18 states, 16 states have (on average 10.5625) internal successors, (169), 12 states have internal predecessors, (169), 7 states have call successors, (59), 4 states have call predecessors, (59), 5 states have return successors, (59), 9 states have call predecessors, (59), 6 states have call successors, (59) [2022-11-02 20:30:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:39,007 INFO L93 Difference]: Finished difference Result 629 states and 839 transitions. [2022-11-02 20:30:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:30:39,008 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 10.5625) internal successors, (169), 12 states have internal predecessors, (169), 7 states have call successors, (59), 4 states have call predecessors, (59), 5 states have return successors, (59), 9 states have call predecessors, (59), 6 states have call successors, (59) Word has length 310 [2022-11-02 20:30:39,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:39,009 INFO L225 Difference]: With dead ends: 629 [2022-11-02 20:30:39,009 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:30:39,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 701 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2022-11-02 20:30:39,012 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 52 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:39,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 377 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:30:39,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:30:39,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:30:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:30:39,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 310 [2022-11-02 20:30:39,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:39,014 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:30:39,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 10.5625) internal successors, (169), 12 states have internal predecessors, (169), 7 states have call successors, (59), 4 states have call predecessors, (59), 5 states have return successors, (59), 9 states have call predecessors, (59), 6 states have call successors, (59) [2022-11-02 20:30:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:30:39,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:30:39,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-02 20:30:39,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-02 20:30:39,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-02 20:30:39,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-02 20:30:39,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:30:41,361 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:30:41,361 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-02 20:30:41,361 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-02 20:30:41,362 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-02 20:30:41,362 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-02 20:30:41,362 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2022-11-02 20:30:41,363 INFO L895 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (not (= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_load_ptr_explicit_#in~memory_order|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_load_ptr_explicit_~memory_order) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0))) [2022-11-02 20:30:41,363 INFO L899 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2022-11-02 20:30:41,363 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2022-11-02 20:30:41,363 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2022-11-02 20:30:41,363 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-02 20:30:41,363 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-02 20:30:41,364 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-02 20:30:41,364 INFO L899 garLoopResultBuilder]: For program point L8801-5(line 8801) no Hoare annotation was computed. [2022-11-02 20:30:41,364 INFO L899 garLoopResultBuilder]: For program point L8801-6(lines 8801 8802) no Hoare annotation was computed. [2022-11-02 20:30:41,364 INFO L899 garLoopResultBuilder]: For program point L8801(line 8801) no Hoare annotation was computed. [2022-11-02 20:30:41,364 INFO L899 garLoopResultBuilder]: For program point L8801-2(line 8801) no Hoare annotation was computed. [2022-11-02 20:30:41,364 INFO L899 garLoopResultBuilder]: For program point L8801-3(line 8801) no Hoare annotation was computed. [2022-11-02 20:30:41,365 INFO L902 garLoopResultBuilder]: At program point s_buf_belongs_to_poolENTRY(lines 8794 8803) the Hoare annotation is: true [2022-11-02 20:30:41,365 INFO L899 garLoopResultBuilder]: For program point L8801-8(lines 8801 8802) no Hoare annotation was computed. [2022-11-02 20:30:41,365 INFO L899 garLoopResultBuilder]: For program point L8801-9(lines 8801 8802) no Hoare annotation was computed. [2022-11-02 20:30:41,365 INFO L899 garLoopResultBuilder]: For program point L8801-11(lines 8801 8802) no Hoare annotation was computed. [2022-11-02 20:30:41,365 INFO L899 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8803) no Hoare annotation was computed. [2022-11-02 20:30:41,366 INFO L899 garLoopResultBuilder]: For program point s_buf_belongs_to_poolFINAL(lines 8794 8803) no Hoare annotation was computed. [2022-11-02 20:30:41,366 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2022-11-02 20:30:41,366 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2022-11-02 20:30:41,366 INFO L899 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2022-11-02 20:30:41,366 INFO L899 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2022-11-02 20:30:41,366 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2022-11-02 20:30:41,367 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2022-11-02 20:30:41,367 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2022-11-02 20:30:41,367 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2022-11-02 20:30:41,367 INFO L902 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2022-11-02 20:30:41,367 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-02 20:30:41,367 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-02 20:30:41,368 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-02 20:30:41,368 INFO L902 garLoopResultBuilder]: At program point is_front_valid_stateENTRY(lines 9210 9215) the Hoare annotation is: true [2022-11-02 20:30:41,368 INFO L902 garLoopResultBuilder]: At program point L9213(line 9213) the Hoare annotation is: true [2022-11-02 20:30:41,368 INFO L902 garLoopResultBuilder]: At program point L9212(line 9212) the Hoare annotation is: true [2022-11-02 20:30:41,368 INFO L899 garLoopResultBuilder]: For program point L9213-1(line 9213) no Hoare annotation was computed. [2022-11-02 20:30:41,368 INFO L899 garLoopResultBuilder]: For program point L9212-1(line 9212) no Hoare annotation was computed. [2022-11-02 20:30:41,369 INFO L899 garLoopResultBuilder]: For program point is_front_valid_stateFINAL(lines 9210 9215) no Hoare annotation was computed. [2022-11-02 20:30:41,369 INFO L899 garLoopResultBuilder]: For program point is_front_valid_stateEXIT(lines 9210 9215) no Hoare annotation was computed. [2022-11-02 20:30:41,369 INFO L895 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (not (<= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (not (<= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_store_ptr_explicit_#in~memory_order|)) (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (and (<= aws_atomic_store_ptr_explicit_~memory_order ~aws_memory_order~0~aws_memory_order_seq_cst) (<= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_store_ptr_explicit_~memory_order)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0))) [2022-11-02 20:30:41,369 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2022-11-02 20:30:41,370 INFO L899 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2022-11-02 20:30:41,370 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2022-11-02 20:30:41,370 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2022-11-02 20:30:41,370 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2022-11-02 20:30:41,370 INFO L899 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2022-11-02 20:30:41,370 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2022-11-02 20:30:41,371 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2022-11-02 20:30:41,371 INFO L902 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2022-11-02 20:30:41,371 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-11-02 20:30:41,371 INFO L899 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2022-11-02 20:30:41,371 INFO L899 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2022-11-02 20:30:41,371 INFO L899 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2022-11-02 20:30:41,372 INFO L899 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2022-11-02 20:30:41,372 INFO L899 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2022-11-02 20:30:41,372 INFO L899 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2022-11-02 20:30:41,372 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2022-11-02 20:30:41,372 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2022-11-02 20:30:41,373 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2022-11-02 20:30:41,373 INFO L899 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2022-11-02 20:30:41,373 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2022-11-02 20:30:41,373 INFO L902 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2022-11-02 20:30:41,373 INFO L902 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2022-11-02 20:30:41,373 INFO L899 garLoopResultBuilder]: For program point L7377-3(line 7377) no Hoare annotation was computed. [2022-11-02 20:30:41,374 INFO L899 garLoopResultBuilder]: For program point L7377-1(line 7377) no Hoare annotation was computed. [2022-11-02 20:30:41,374 INFO L899 garLoopResultBuilder]: For program point L7377(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,374 INFO L899 garLoopResultBuilder]: For program point L7377-7(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,374 INFO L899 garLoopResultBuilder]: For program point L7377-6(lines 7377 7378) no Hoare annotation was computed. [2022-11-02 20:30:41,374 INFO L899 garLoopResultBuilder]: For program point L7377-4(lines 7377 7378) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point L7377-11(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point L7377-9(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validFINAL(lines 7375 7381) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point L7380-2(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,375 INFO L899 garLoopResultBuilder]: For program point L7380(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L899 garLoopResultBuilder]: For program point L7380-6(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L899 garLoopResultBuilder]: For program point L7380-4(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L899 garLoopResultBuilder]: For program point L7380-3(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L899 garLoopResultBuilder]: For program point L7380-8(line 7380) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:30:41,376 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-02 20:30:41,377 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 20:30:41,377 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:30:41,377 INFO L902 garLoopResultBuilder]: At program point aws_raise_errorENTRY(lines 1988 1999) the Hoare annotation is: true [2022-11-02 20:30:41,377 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2022-11-02 20:30:41,377 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2022-11-02 20:30:41,377 INFO L899 garLoopResultBuilder]: For program point L7317(lines 7317 7319) no Hoare annotation was computed. [2022-11-02 20:30:41,378 INFO L899 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2022-11-02 20:30:41,378 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2022-11-02 20:30:41,378 INFO L899 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2022-11-02 20:30:41,378 INFO L899 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2022-11-02 20:30:41,379 INFO L895 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (let ((.cse0 (= aws_ring_buffer_is_valid_~head~1.base 0)) (.cse1 (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (.cse5 (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) (or (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (let ((.cse2 (not (= aws_ring_buffer_is_valid_~ring_buf.offset 0))) (.cse3 (select (select |#memory_$Pointer$.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|) 32)) (.cse4 (let ((.cse6 (div aws_ring_buffer_is_valid_~head_in_range~0 256))) (and (not (<= (+ .cse6 1) 0)) (<= aws_ring_buffer_is_valid_~head_in_range~0 (* 256 .cse6)))))) (and .cse0 .cse1 (or .cse2 (= .cse3 |aws_ring_buffer_is_valid_#in~ring_buf.offset|) .cse4) .cse5 (or .cse2 (= (select (select |#memory_$Pointer$.base| aws_ring_buffer_is_valid_~ring_buf.base) (+ aws_ring_buffer_is_valid_~ring_buf.offset 8)) .cse3) .cse4) (= aws_ring_buffer_is_valid_~tail~1.base 0))) (and .cse0 .cse1 (<= 0 aws_ring_buffer_is_valid_~head_in_range~0) (<= aws_ring_buffer_is_valid_~head_in_range~0 0) .cse5) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0)))) [2022-11-02 20:30:41,379 INFO L895 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0))) [2022-11-02 20:30:41,379 INFO L899 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2022-11-02 20:30:41,379 INFO L899 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2022-11-02 20:30:41,380 INFO L899 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2022-11-02 20:30:41,380 INFO L899 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2022-11-02 20:30:41,380 INFO L899 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2022-11-02 20:30:41,380 INFO L899 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2022-11-02 20:30:41,380 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2022-11-02 20:30:41,381 INFO L895 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0))) [2022-11-02 20:30:41,381 INFO L899 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2022-11-02 20:30:41,381 INFO L899 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2022-11-02 20:30:41,381 INFO L895 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base_BEFORE_CALL_75|) 8) 0))) [2022-11-02 20:30:41,381 INFO L899 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2022-11-02 20:30:41,382 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2022-11-02 20:30:41,382 INFO L899 garLoopResultBuilder]: For program point L8222(lines 8222 8223) no Hoare annotation was computed. [2022-11-02 20:30:41,382 INFO L902 garLoopResultBuilder]: At program point aws_byte_buf_from_empty_arrayENTRY(lines 8218 8232) the Hoare annotation is: true [2022-11-02 20:30:41,382 INFO L899 garLoopResultBuilder]: For program point L8219-1(line 8219) no Hoare annotation was computed. [2022-11-02 20:30:41,382 INFO L902 garLoopResultBuilder]: At program point L8219(line 8219) the Hoare annotation is: true [2022-11-02 20:30:41,382 INFO L899 garLoopResultBuilder]: For program point L8222-2(lines 8222 8223) no Hoare annotation was computed. [2022-11-02 20:30:41,383 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_from_empty_arrayFINAL(lines 8218 8232) no Hoare annotation was computed. [2022-11-02 20:30:41,383 INFO L902 garLoopResultBuilder]: At program point L8230(line 8230) the Hoare annotation is: true [2022-11-02 20:30:41,383 INFO L899 garLoopResultBuilder]: For program point L8230-2(line 8230) no Hoare annotation was computed. [2022-11-02 20:30:41,383 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_from_empty_arrayEXIT(lines 8218 8232) no Hoare annotation was computed. [2022-11-02 20:30:41,383 INFO L902 garLoopResultBuilder]: At program point L8230-1(line 8230) the Hoare annotation is: true [2022-11-02 20:30:41,383 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-11-02 20:30:41,384 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-11-02 20:30:41,384 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-11-02 20:30:41,384 INFO L899 garLoopResultBuilder]: For program point is_middle_valid_stateFINAL(lines 9221 9226) no Hoare annotation was computed. [2022-11-02 20:30:41,384 INFO L899 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9221 9226) no Hoare annotation was computed. [2022-11-02 20:30:41,384 INFO L902 garLoopResultBuilder]: At program point is_middle_valid_stateENTRY(lines 9221 9226) the Hoare annotation is: true [2022-11-02 20:30:41,384 INFO L902 garLoopResultBuilder]: At program point L9224(line 9224) the Hoare annotation is: true [2022-11-02 20:30:41,385 INFO L902 garLoopResultBuilder]: At program point L9223(line 9223) the Hoare annotation is: true [2022-11-02 20:30:41,385 INFO L899 garLoopResultBuilder]: For program point L9224-1(line 9224) no Hoare annotation was computed. [2022-11-02 20:30:41,385 INFO L899 garLoopResultBuilder]: For program point L9223-1(line 9223) no Hoare annotation was computed. [2022-11-02 20:30:41,385 INFO L899 garLoopResultBuilder]: For program point L9251-2(line 9251) no Hoare annotation was computed. [2022-11-02 20:30:41,385 INFO L895 garLoopResultBuilder]: At program point L8789(line 8789) the Hoare annotation is: false [2022-11-02 20:30:41,386 INFO L895 garLoopResultBuilder]: At program point L8822-1(line 8822) the Hoare annotation is: false [2022-11-02 20:30:41,386 INFO L895 garLoopResultBuilder]: At program point L8756(line 8756) the Hoare annotation is: false [2022-11-02 20:30:41,386 INFO L899 garLoopResultBuilder]: For program point L8789-1(line 8789) no Hoare annotation was computed. [2022-11-02 20:30:41,386 INFO L899 garLoopResultBuilder]: For program point L8822-2(line 8822) no Hoare annotation was computed. [2022-11-02 20:30:41,386 INFO L895 garLoopResultBuilder]: At program point L8756-1(line 8756) the Hoare annotation is: false [2022-11-02 20:30:41,386 INFO L899 garLoopResultBuilder]: For program point L8756-2(line 8756) no Hoare annotation was computed. [2022-11-02 20:30:41,387 INFO L895 garLoopResultBuilder]: At program point L9202(line 9202) the Hoare annotation is: false [2022-11-02 20:30:41,387 INFO L895 garLoopResultBuilder]: At program point L8822(line 8822) the Hoare annotation is: false [2022-11-02 20:30:41,387 INFO L899 garLoopResultBuilder]: For program point L6609(lines 6609 6614) no Hoare annotation was computed. [2022-11-02 20:30:41,387 INFO L895 garLoopResultBuilder]: At program point L8756-3(line 8756) the Hoare annotation is: false [2022-11-02 20:30:41,387 INFO L899 garLoopResultBuilder]: For program point L9202-1(line 9202) no Hoare annotation was computed. [2022-11-02 20:30:41,387 INFO L895 garLoopResultBuilder]: At program point L8756-4(line 8756) the Hoare annotation is: false [2022-11-02 20:30:41,388 INFO L895 garLoopResultBuilder]: At program point L8773(line 8773) the Hoare annotation is: false [2022-11-02 20:30:41,388 INFO L895 garLoopResultBuilder]: At program point L9252(line 9252) the Hoare annotation is: false [2022-11-02 20:30:41,388 INFO L899 garLoopResultBuilder]: For program point L8740(line 8740) no Hoare annotation was computed. [2022-11-02 20:30:41,388 INFO L895 garLoopResultBuilder]: At program point L8773-1(line 8773) the Hoare annotation is: false [2022-11-02 20:30:41,388 INFO L899 garLoopResultBuilder]: For program point L9252-1(line 9252) no Hoare annotation was computed. [2022-11-02 20:30:41,388 INFO L899 garLoopResultBuilder]: For program point L8773-2(line 8773) no Hoare annotation was computed. [2022-11-02 20:30:41,389 INFO L899 garLoopResultBuilder]: For program point L8740-2(line 8740) no Hoare annotation was computed. [2022-11-02 20:30:41,389 INFO L895 garLoopResultBuilder]: At program point L8773-3(line 8773) the Hoare annotation is: false [2022-11-02 20:30:41,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:30:41,389 INFO L895 garLoopResultBuilder]: At program point L8773-4(line 8773) the Hoare annotation is: false [2022-11-02 20:30:41,389 INFO L899 garLoopResultBuilder]: For program point L8757(line 8757) no Hoare annotation was computed. [2022-11-02 20:30:41,390 INFO L895 garLoopResultBuilder]: At program point L8790-1(line 8790) the Hoare annotation is: false [2022-11-02 20:30:41,390 INFO L899 garLoopResultBuilder]: For program point L8823-2(line 8823) no Hoare annotation was computed. [2022-11-02 20:30:41,390 INFO L895 garLoopResultBuilder]: At program point L9269(line 9269) the Hoare annotation is: false [2022-11-02 20:30:41,390 INFO L899 garLoopResultBuilder]: For program point L8790-2(line 8790) no Hoare annotation was computed. [2022-11-02 20:30:41,390 INFO L899 garLoopResultBuilder]: For program point L9269-1(line 9269) no Hoare annotation was computed. [2022-11-02 20:30:41,390 INFO L895 garLoopResultBuilder]: At program point L9203(lines 9199 9204) the Hoare annotation is: false [2022-11-02 20:30:41,391 INFO L899 garLoopResultBuilder]: For program point L9269-2(line 9269) no Hoare annotation was computed. [2022-11-02 20:30:41,391 INFO L895 garLoopResultBuilder]: At program point L6610(line 6610) the Hoare annotation is: false [2022-11-02 20:30:41,391 INFO L895 garLoopResultBuilder]: At program point L8823(line 8823) the Hoare annotation is: false [2022-11-02 20:30:41,391 INFO L895 garLoopResultBuilder]: At program point L8790(line 8790) the Hoare annotation is: false [2022-11-02 20:30:41,391 INFO L895 garLoopResultBuilder]: At program point L8823-1(line 8823) the Hoare annotation is: false [2022-11-02 20:30:41,392 INFO L899 garLoopResultBuilder]: For program point L6610-3(lines 6610 6612) no Hoare annotation was computed. [2022-11-02 20:30:41,392 INFO L899 garLoopResultBuilder]: For program point L6610-1(lines 6610 6612) no Hoare annotation was computed. [2022-11-02 20:30:41,392 INFO L895 garLoopResultBuilder]: At program point L9269-4(line 9269) the Hoare annotation is: false [2022-11-02 20:30:41,392 INFO L899 garLoopResultBuilder]: For program point L9269-5(line 9269) no Hoare annotation was computed. [2022-11-02 20:30:41,392 INFO L895 garLoopResultBuilder]: At program point L9269-6(line 9269) the Hoare annotation is: false [2022-11-02 20:30:41,392 INFO L899 garLoopResultBuilder]: For program point L9269-7(line 9269) no Hoare annotation was computed. [2022-11-02 20:30:41,393 INFO L895 garLoopResultBuilder]: At program point L8708(line 8708) the Hoare annotation is: false [2022-11-02 20:30:41,393 INFO L899 garLoopResultBuilder]: For program point L8708-1(line 8708) no Hoare annotation was computed. [2022-11-02 20:30:41,393 INFO L895 garLoopResultBuilder]: At program point L8708-2(line 8708) the Hoare annotation is: false [2022-11-02 20:30:41,393 INFO L899 garLoopResultBuilder]: For program point L8774(line 8774) no Hoare annotation was computed. [2022-11-02 20:30:41,393 INFO L895 garLoopResultBuilder]: At program point L8708-3(line 8708) the Hoare annotation is: false [2022-11-02 20:30:41,393 INFO L899 garLoopResultBuilder]: For program point L8708-4(line 8708) no Hoare annotation was computed. [2022-11-02 20:30:41,394 INFO L895 garLoopResultBuilder]: At program point L8725(line 8725) the Hoare annotation is: false [2022-11-02 20:30:41,394 INFO L895 garLoopResultBuilder]: At program point L8758-1(line 8758) the Hoare annotation is: false [2022-11-02 20:30:41,394 INFO L895 garLoopResultBuilder]: At program point L8791-2(lines 8691 8792) the Hoare annotation is: false [2022-11-02 20:30:41,394 INFO L899 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2022-11-02 20:30:41,394 INFO L895 garLoopResultBuilder]: At program point L8725-1(line 8725) the Hoare annotation is: false [2022-11-02 20:30:41,395 INFO L899 garLoopResultBuilder]: For program point L8758-2(line 8758) no Hoare annotation was computed. [2022-11-02 20:30:41,395 INFO L899 garLoopResultBuilder]: For program point L9270-2(line 9270) no Hoare annotation was computed. [2022-11-02 20:30:41,395 INFO L899 garLoopResultBuilder]: For program point L8725-2(line 8725) no Hoare annotation was computed. [2022-11-02 20:30:41,395 INFO L895 garLoopResultBuilder]: At program point L9270-3(line 9270) the Hoare annotation is: false [2022-11-02 20:30:41,395 INFO L895 garLoopResultBuilder]: At program point L8725-3(line 8725) the Hoare annotation is: false [2022-11-02 20:30:41,395 INFO L899 garLoopResultBuilder]: For program point L9270-4(line 9270) no Hoare annotation was computed. [2022-11-02 20:30:41,396 INFO L895 garLoopResultBuilder]: At program point L8824(lines 8815 8825) the Hoare annotation is: false [2022-11-02 20:30:41,396 INFO L895 garLoopResultBuilder]: At program point L8791(line 8791) the Hoare annotation is: false [2022-11-02 20:30:41,396 INFO L895 garLoopResultBuilder]: At program point L8758(line 8758) the Hoare annotation is: false [2022-11-02 20:30:41,396 INFO L899 garLoopResultBuilder]: For program point L8791-1(line 8791) no Hoare annotation was computed. [2022-11-02 20:30:41,396 INFO L895 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2022-11-02 20:30:41,396 INFO L899 garLoopResultBuilder]: For program point L8725-4(line 8725) no Hoare annotation was computed. [2022-11-02 20:30:41,397 INFO L895 garLoopResultBuilder]: At program point L9270-6(line 9270) the Hoare annotation is: false [2022-11-02 20:30:41,397 INFO L899 garLoopResultBuilder]: For program point L9270-7(line 9270) no Hoare annotation was computed. [2022-11-02 20:30:41,397 INFO L895 garLoopResultBuilder]: At program point L8709(line 8709) the Hoare annotation is: false [2022-11-02 20:30:41,397 INFO L899 garLoopResultBuilder]: For program point L8775-2(line 8775) no Hoare annotation was computed. [2022-11-02 20:30:41,397 INFO L899 garLoopResultBuilder]: For program point L8709-1(line 8709) no Hoare annotation was computed. [2022-11-02 20:30:41,398 INFO L895 garLoopResultBuilder]: At program point L8709-2(line 8709) the Hoare annotation is: false [2022-11-02 20:30:41,398 INFO L895 garLoopResultBuilder]: At program point L8709-3(line 8709) the Hoare annotation is: false [2022-11-02 20:30:41,398 INFO L895 garLoopResultBuilder]: At program point L8775(line 8775) the Hoare annotation is: false [2022-11-02 20:30:41,398 INFO L899 garLoopResultBuilder]: For program point L8742(lines 8742 8748) no Hoare annotation was computed. [2022-11-02 20:30:41,398 INFO L895 garLoopResultBuilder]: At program point L8775-1(line 8775) the Hoare annotation is: false [2022-11-02 20:30:41,398 INFO L899 garLoopResultBuilder]: For program point L8709-4(line 8709) no Hoare annotation was computed. [2022-11-02 20:30:41,399 INFO L895 garLoopResultBuilder]: At program point L8726-1(line 8726) the Hoare annotation is: false [2022-11-02 20:30:41,399 INFO L899 garLoopResultBuilder]: For program point L8759-2(line 8759) no Hoare annotation was computed. [2022-11-02 20:30:41,399 INFO L899 garLoopResultBuilder]: For program point L8726-2(line 8726) no Hoare annotation was computed. [2022-11-02 20:30:41,399 INFO L895 garLoopResultBuilder]: At program point L8726-3(line 8726) the Hoare annotation is: false [2022-11-02 20:30:41,399 INFO L899 garLoopResultBuilder]: For program point L8726-4(line 8726) no Hoare annotation was computed. [2022-11-02 20:30:41,399 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2022-11-02 20:30:41,400 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: false [2022-11-02 20:30:41,400 INFO L895 garLoopResultBuilder]: At program point L8759(line 8759) the Hoare annotation is: false [2022-11-02 20:30:41,400 INFO L895 garLoopResultBuilder]: At program point L8726(line 8726) the Hoare annotation is: false [2022-11-02 20:30:41,400 INFO L895 garLoopResultBuilder]: At program point L8759-1(line 8759) the Hoare annotation is: false [2022-11-02 20:30:41,400 INFO L899 garLoopResultBuilder]: For program point L8743-2(line 8743) no Hoare annotation was computed. [2022-11-02 20:30:41,400 INFO L895 garLoopResultBuilder]: At program point L8743-3(line 8743) the Hoare annotation is: false [2022-11-02 20:30:41,401 INFO L895 garLoopResultBuilder]: At program point L8743-4(line 8743) the Hoare annotation is: false [2022-11-02 20:30:41,401 INFO L895 garLoopResultBuilder]: At program point L8776(line 8776) the Hoare annotation is: false [2022-11-02 20:30:41,401 INFO L895 garLoopResultBuilder]: At program point L8743(line 8743) the Hoare annotation is: false [2022-11-02 20:30:41,401 INFO L895 garLoopResultBuilder]: At program point L8776-1(line 8776) the Hoare annotation is: false [2022-11-02 20:30:41,401 INFO L895 garLoopResultBuilder]: At program point L8743-1(line 8743) the Hoare annotation is: false [2022-11-02 20:30:41,402 INFO L899 garLoopResultBuilder]: For program point L8776-2(line 8776) no Hoare annotation was computed. [2022-11-02 20:30:41,402 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-02 20:30:41,402 INFO L895 garLoopResultBuilder]: At program point L8727(line 8727) the Hoare annotation is: false [2022-11-02 20:30:41,402 INFO L899 garLoopResultBuilder]: For program point L9239(lines 9239 9278) no Hoare annotation was computed. [2022-11-02 20:30:41,402 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: false [2022-11-02 20:30:41,402 INFO L899 garLoopResultBuilder]: For program point L8727-1(line 8727) no Hoare annotation was computed. [2022-11-02 20:30:41,403 INFO L899 garLoopResultBuilder]: For program point L8744(line 8744) no Hoare annotation was computed. [2022-11-02 20:30:41,403 INFO L899 garLoopResultBuilder]: For program point L7192(lines 7192 7204) no Hoare annotation was computed. [2022-11-02 20:30:41,403 INFO L895 garLoopResultBuilder]: At program point L8728(line 8728) the Hoare annotation is: false [2022-11-02 20:30:41,403 INFO L895 garLoopResultBuilder]: At program point L8728-1(line 8728) the Hoare annotation is: false [2022-11-02 20:30:41,403 INFO L899 garLoopResultBuilder]: For program point L8728-2(line 8728) no Hoare annotation was computed. [2022-11-02 20:30:41,403 INFO L895 garLoopResultBuilder]: At program point L8745(line 8745) the Hoare annotation is: false [2022-11-02 20:30:41,404 INFO L899 garLoopResultBuilder]: For program point L8712(lines 8712 8731) no Hoare annotation was computed. [2022-11-02 20:30:41,404 INFO L895 garLoopResultBuilder]: At program point L8745-1(line 8745) the Hoare annotation is: false [2022-11-02 20:30:41,404 INFO L899 garLoopResultBuilder]: For program point L8745-2(line 8745) no Hoare annotation was computed. [2022-11-02 20:30:41,404 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:30:41,404 INFO L895 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2022-11-02 20:30:41,404 INFO L895 garLoopResultBuilder]: At program point L8729(line 8729) the Hoare annotation is: false [2022-11-02 20:30:41,405 INFO L899 garLoopResultBuilder]: For program point L9274-1(line 9274) no Hoare annotation was computed. [2022-11-02 20:30:41,405 INFO L895 garLoopResultBuilder]: At program point L8696(line 8696) the Hoare annotation is: false [2022-11-02 20:30:41,405 INFO L895 garLoopResultBuilder]: At program point L8729-1(line 8729) the Hoare annotation is: false [2022-11-02 20:30:41,405 INFO L895 garLoopResultBuilder]: At program point L8696-1(line 8696) the Hoare annotation is: false [2022-11-02 20:30:41,405 INFO L899 garLoopResultBuilder]: For program point L8729-2(line 8729) no Hoare annotation was computed. [2022-11-02 20:30:41,406 INFO L895 garLoopResultBuilder]: At program point L8746(line 8746) the Hoare annotation is: false [2022-11-02 20:30:41,406 INFO L895 garLoopResultBuilder]: At program point L8746-1(line 8746) the Hoare annotation is: false [2022-11-02 20:30:41,406 INFO L899 garLoopResultBuilder]: For program point L8746-2(line 8746) no Hoare annotation was computed. [2022-11-02 20:30:41,406 INFO L899 garLoopResultBuilder]: For program point L8763(lines 8763 8769) no Hoare annotation was computed. [2022-11-02 20:30:41,406 INFO L895 garLoopResultBuilder]: At program point L9275(line 9275) the Hoare annotation is: false [2022-11-02 20:30:41,406 INFO L899 garLoopResultBuilder]: For program point L9275-1(line 9275) no Hoare annotation was computed. [2022-11-02 20:30:41,407 INFO L899 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2022-11-02 20:30:41,407 INFO L895 garLoopResultBuilder]: At program point L8697(line 8697) the Hoare annotation is: false [2022-11-02 20:30:41,407 INFO L899 garLoopResultBuilder]: For program point L8697-1(line 8697) no Hoare annotation was computed. [2022-11-02 20:30:41,407 INFO L899 garLoopResultBuilder]: For program point L8780(lines 8780 8786) no Hoare annotation was computed. [2022-11-02 20:30:41,407 INFO L895 garLoopResultBuilder]: At program point L8764(line 8764) the Hoare annotation is: false [2022-11-02 20:30:41,407 INFO L895 garLoopResultBuilder]: At program point L9276(line 9276) the Hoare annotation is: false [2022-11-02 20:30:41,408 INFO L895 garLoopResultBuilder]: At program point L8764-1(line 8764) the Hoare annotation is: false [2022-11-02 20:30:41,408 INFO L899 garLoopResultBuilder]: For program point L9276-1(line 9276) no Hoare annotation was computed. [2022-11-02 20:30:41,408 INFO L895 garLoopResultBuilder]: At program point L8698(line 8698) the Hoare annotation is: false [2022-11-02 20:30:41,408 INFO L899 garLoopResultBuilder]: For program point L8764-2(line 8764) no Hoare annotation was computed. [2022-11-02 20:30:41,408 INFO L899 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2022-11-02 20:30:41,409 INFO L895 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|)) [2022-11-02 20:30:41,409 INFO L895 garLoopResultBuilder]: At program point L8698-1(line 8698) the Hoare annotation is: false [2022-11-02 20:30:41,409 INFO L895 garLoopResultBuilder]: At program point L8764-3(line 8764) the Hoare annotation is: false [2022-11-02 20:30:41,409 INFO L899 garLoopResultBuilder]: For program point L8698-2(line 8698) no Hoare annotation was computed. [2022-11-02 20:30:41,409 INFO L899 garLoopResultBuilder]: For program point L8764-4(line 8764) no Hoare annotation was computed. [2022-11-02 20:30:41,409 INFO L895 garLoopResultBuilder]: At program point L8781(line 8781) the Hoare annotation is: false [2022-11-02 20:30:41,410 INFO L895 garLoopResultBuilder]: At program point L8781-1(line 8781) the Hoare annotation is: false [2022-11-02 20:30:41,410 INFO L899 garLoopResultBuilder]: For program point L9260(lines 9260 9273) no Hoare annotation was computed. [2022-11-02 20:30:41,410 INFO L899 garLoopResultBuilder]: For program point L8715(line 8715) no Hoare annotation was computed. [2022-11-02 20:30:41,410 INFO L899 garLoopResultBuilder]: For program point L8781-2(line 8781) no Hoare annotation was computed. [2022-11-02 20:30:41,410 INFO L895 garLoopResultBuilder]: At program point L8781-3(line 8781) the Hoare annotation is: false [2022-11-02 20:30:41,411 INFO L895 garLoopResultBuilder]: At program point L9260-2(lines 9260 9273) the Hoare annotation is: false [2022-11-02 20:30:41,411 INFO L899 garLoopResultBuilder]: For program point L8715-2(line 8715) no Hoare annotation was computed. [2022-11-02 20:30:41,411 INFO L899 garLoopResultBuilder]: For program point L8781-4(line 8781) no Hoare annotation was computed. [2022-11-02 20:30:41,411 INFO L895 garLoopResultBuilder]: At program point L8765(line 8765) the Hoare annotation is: false [2022-11-02 20:30:41,411 INFO L895 garLoopResultBuilder]: At program point L9277(line 9277) the Hoare annotation is: false [2022-11-02 20:30:41,411 INFO L899 garLoopResultBuilder]: For program point L8765-1(line 8765) no Hoare annotation was computed. [2022-11-02 20:30:41,412 INFO L899 garLoopResultBuilder]: For program point L9277-1(line 9277) no Hoare annotation was computed. [2022-11-02 20:30:41,412 INFO L895 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|)) [2022-11-02 20:30:41,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:30:41,412 INFO L899 garLoopResultBuilder]: For program point L7196-1(lines 7195 7204) no Hoare annotation was computed. [2022-11-02 20:30:41,412 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2022-11-02 20:30:41,413 INFO L899 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2022-11-02 20:30:41,413 INFO L899 garLoopResultBuilder]: For program point L8782-1(line 8782) no Hoare annotation was computed. [2022-11-02 20:30:41,413 INFO L895 garLoopResultBuilder]: At program point L9261(line 9261) the Hoare annotation is: false [2022-11-02 20:30:41,413 INFO L895 garLoopResultBuilder]: At program point L9261-1(line 9261) the Hoare annotation is: false [2022-11-02 20:30:41,413 INFO L899 garLoopResultBuilder]: For program point L9261-2(line 9261) no Hoare annotation was computed. [2022-11-02 20:30:41,414 INFO L895 garLoopResultBuilder]: At program point L8782(line 8782) the Hoare annotation is: false [2022-11-02 20:30:41,414 INFO L895 garLoopResultBuilder]: At program point L8766-1(line 8766) the Hoare annotation is: false [2022-11-02 20:30:41,414 INFO L899 garLoopResultBuilder]: For program point L8700(lines 8700 8704) no Hoare annotation was computed. [2022-11-02 20:30:41,414 INFO L899 garLoopResultBuilder]: For program point L8766-2(line 8766) no Hoare annotation was computed. [2022-11-02 20:30:41,414 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-02 20:30:41,415 INFO L895 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,415 INFO L895 garLoopResultBuilder]: At program point L8766(line 8766) the Hoare annotation is: false [2022-11-02 20:30:41,415 INFO L899 garLoopResultBuilder]: For program point L8717(lines 8717 8721) no Hoare annotation was computed. [2022-11-02 20:30:41,415 INFO L899 garLoopResultBuilder]: For program point L8783-2(line 8783) no Hoare annotation was computed. [2022-11-02 20:30:41,415 INFO L895 garLoopResultBuilder]: At program point L8750-2(lines 8734 8787) the Hoare annotation is: false [2022-11-02 20:30:41,416 INFO L895 garLoopResultBuilder]: At program point L9262-2(line 9262) the Hoare annotation is: false [2022-11-02 20:30:41,416 INFO L899 garLoopResultBuilder]: For program point L9262-3(line 9262) no Hoare annotation was computed. [2022-11-02 20:30:41,416 INFO L895 garLoopResultBuilder]: At program point L8783(line 8783) the Hoare annotation is: false [2022-11-02 20:30:41,416 INFO L899 garLoopResultBuilder]: For program point L8750(lines 8750 8787) no Hoare annotation was computed. [2022-11-02 20:30:41,416 INFO L895 garLoopResultBuilder]: At program point L8783-1(line 8783) the Hoare annotation is: false [2022-11-02 20:30:41,416 INFO L899 garLoopResultBuilder]: For program point L9262(line 9262) no Hoare annotation was computed. [2022-11-02 20:30:41,417 INFO L895 garLoopResultBuilder]: At program point L8701(line 8701) the Hoare annotation is: false [2022-11-02 20:30:41,417 INFO L899 garLoopResultBuilder]: For program point L8767-2(line 8767) no Hoare annotation was computed. [2022-11-02 20:30:41,417 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2022-11-02 20:30:41,417 INFO L895 garLoopResultBuilder]: At program point L8701-1(line 8701) the Hoare annotation is: false [2022-11-02 20:30:41,417 INFO L899 garLoopResultBuilder]: For program point L8701-2(line 8701) no Hoare annotation was computed. [2022-11-02 20:30:41,418 INFO L899 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2022-11-02 20:30:41,418 INFO L895 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,418 INFO L895 garLoopResultBuilder]: At program point L8767(line 8767) the Hoare annotation is: false [2022-11-02 20:30:41,418 INFO L902 garLoopResultBuilder]: At program point L9279(line 9279) the Hoare annotation is: true [2022-11-02 20:30:41,418 INFO L899 garLoopResultBuilder]: For program point L8734(lines 8734 8787) no Hoare annotation was computed. [2022-11-02 20:30:41,419 INFO L895 garLoopResultBuilder]: At program point L8767-1(line 8767) the Hoare annotation is: false [2022-11-02 20:30:41,419 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2022-11-02 20:30:41,419 INFO L895 garLoopResultBuilder]: At program point L8718-1(line 8718) the Hoare annotation is: false [2022-11-02 20:30:41,419 INFO L899 garLoopResultBuilder]: For program point L8718-2(line 8718) no Hoare annotation was computed. [2022-11-02 20:30:41,419 INFO L895 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2022-11-02 20:30:41,420 INFO L895 garLoopResultBuilder]: At program point L8784(line 8784) the Hoare annotation is: false [2022-11-02 20:30:41,420 INFO L895 garLoopResultBuilder]: At program point L8817-1(line 8817) the Hoare annotation is: false [2022-11-02 20:30:41,420 INFO L895 garLoopResultBuilder]: At program point L8784-1(line 8784) the Hoare annotation is: false [2022-11-02 20:30:41,420 INFO L895 garLoopResultBuilder]: At program point L9263(line 9263) the Hoare annotation is: false [2022-11-02 20:30:41,420 INFO L899 garLoopResultBuilder]: For program point L8817-2(line 8817) no Hoare annotation was computed. [2022-11-02 20:30:41,420 INFO L895 garLoopResultBuilder]: At program point L8718(line 8718) the Hoare annotation is: false [2022-11-02 20:30:41,421 INFO L899 garLoopResultBuilder]: For program point L8784-2(line 8784) no Hoare annotation was computed. [2022-11-02 20:30:41,421 INFO L899 garLoopResultBuilder]: For program point L9263-1(line 9263) no Hoare annotation was computed. [2022-11-02 20:30:41,421 INFO L895 garLoopResultBuilder]: At program point L8702-1(line 8702) the Hoare annotation is: false [2022-11-02 20:30:41,421 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2022-11-02 20:30:41,421 INFO L899 garLoopResultBuilder]: For program point L8702-2(line 8702) no Hoare annotation was computed. [2022-11-02 20:30:41,421 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2022-11-02 20:30:41,422 INFO L895 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,422 INFO L895 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,422 INFO L895 garLoopResultBuilder]: At program point L8702(line 8702) the Hoare annotation is: false [2022-11-02 20:30:41,422 INFO L895 garLoopResultBuilder]: At program point L8818(line 8818) the Hoare annotation is: false [2022-11-02 20:30:41,423 INFO L899 garLoopResultBuilder]: For program point L8719-2(line 8719) no Hoare annotation was computed. [2022-11-02 20:30:41,423 INFO L895 garLoopResultBuilder]: At program point L8818-1(line 8818) the Hoare annotation is: false [2022-11-02 20:30:41,423 INFO L899 garLoopResultBuilder]: For program point L8818-2(line 8818) no Hoare annotation was computed. [2022-11-02 20:30:41,423 INFO L895 garLoopResultBuilder]: At program point L9264(line 9264) the Hoare annotation is: false [2022-11-02 20:30:41,423 INFO L895 garLoopResultBuilder]: At program point L8719(line 8719) the Hoare annotation is: false [2022-11-02 20:30:41,423 INFO L899 garLoopResultBuilder]: For program point L9264-1(line 9264) no Hoare annotation was computed. [2022-11-02 20:30:41,424 INFO L895 garLoopResultBuilder]: At program point L8719-1(line 8719) the Hoare annotation is: false [2022-11-02 20:30:41,424 INFO L899 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2022-11-02 20:30:41,424 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2022-11-02 20:30:41,424 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:30:41,424 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2022-11-02 20:30:41,425 INFO L895 garLoopResultBuilder]: At program point L8703(line 8703) the Hoare annotation is: false [2022-11-02 20:30:41,425 INFO L899 garLoopResultBuilder]: For program point L8703-1(line 8703) no Hoare annotation was computed. [2022-11-02 20:30:41,425 INFO L895 garLoopResultBuilder]: At program point L9265-4(line 9265) the Hoare annotation is: false [2022-11-02 20:30:41,425 INFO L899 garLoopResultBuilder]: For program point L9265-5(line 9265) no Hoare annotation was computed. [2022-11-02 20:30:41,425 INFO L899 garLoopResultBuilder]: For program point L9265(line 9265) no Hoare annotation was computed. [2022-11-02 20:30:41,425 INFO L895 garLoopResultBuilder]: At program point L8720(line 8720) the Hoare annotation is: false [2022-11-02 20:30:41,426 INFO L899 garLoopResultBuilder]: For program point L8720-1(line 8720) no Hoare annotation was computed. [2022-11-02 20:30:41,426 INFO L895 garLoopResultBuilder]: At program point L9265-2(line 9265) the Hoare annotation is: false [2022-11-02 20:30:41,426 INFO L899 garLoopResultBuilder]: For program point L9265-3(line 9265) no Hoare annotation was computed. [2022-11-02 20:30:41,426 INFO L899 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2022-11-02 20:30:41,426 INFO L895 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,427 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2022-11-02 20:30:41,427 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2022-11-02 20:30:41,427 INFO L895 garLoopResultBuilder]: At program point L9249(line 9249) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (not (= (select .cse0 32) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,427 INFO L895 garLoopResultBuilder]: At program point L8737(line 8737) the Hoare annotation is: false [2022-11-02 20:30:41,428 INFO L895 garLoopResultBuilder]: At program point L9249-1(line 9249) the Hoare annotation is: (and (<= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_#t~ret1356#1| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) 32) 0)) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset|) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (<= 0 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_#t~ret1356#1|)) [2022-11-02 20:30:41,428 INFO L899 garLoopResultBuilder]: For program point L8737-1(line 8737) no Hoare annotation was computed. [2022-11-02 20:30:41,428 INFO L899 garLoopResultBuilder]: For program point L9249-2(line 9249) no Hoare annotation was computed. [2022-11-02 20:30:41,428 INFO L895 garLoopResultBuilder]: At program point L9266(line 9266) the Hoare annotation is: false [2022-11-02 20:30:41,428 INFO L899 garLoopResultBuilder]: For program point L9266-5(line 9266) no Hoare annotation was computed. [2022-11-02 20:30:41,428 INFO L895 garLoopResultBuilder]: At program point L9266-6(line 9266) the Hoare annotation is: false [2022-11-02 20:30:41,429 INFO L899 garLoopResultBuilder]: For program point L9266-7(line 9266) no Hoare annotation was computed. [2022-11-02 20:30:41,429 INFO L899 garLoopResultBuilder]: For program point L9266-1(line 9266) no Hoare annotation was computed. [2022-11-02 20:30:41,429 INFO L899 garLoopResultBuilder]: For program point L9266-2(line 9266) no Hoare annotation was computed. [2022-11-02 20:30:41,429 INFO L895 garLoopResultBuilder]: At program point L9266-4(line 9266) the Hoare annotation is: false [2022-11-02 20:30:41,429 INFO L895 garLoopResultBuilder]: At program point L7202(line 7202) the Hoare annotation is: false [2022-11-02 20:30:41,429 INFO L899 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2022-11-02 20:30:41,430 INFO L895 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (not (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.base| 0)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (<= 2 |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#buf~3#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.offset| 0) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_acquire_up_to_harness_~#ring_buf~0#1.base|))) [2022-11-02 20:30:41,430 INFO L899 garLoopResultBuilder]: For program point L7202-1(line 7202) no Hoare annotation was computed. [2022-11-02 20:30:41,430 INFO L895 garLoopResultBuilder]: At program point L8821(line 8821) the Hoare annotation is: false [2022-11-02 20:30:41,430 INFO L899 garLoopResultBuilder]: For program point L8821-1(line 8821) no Hoare annotation was computed. [2022-11-02 20:30:41,430 INFO L899 garLoopResultBuilder]: For program point L8755(lines 8755 8761) no Hoare annotation was computed. [2022-11-02 20:30:41,431 INFO L895 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2022-11-02 20:30:41,431 INFO L899 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,431 INFO L899 garLoopResultBuilder]: For program point L9267-6(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,431 INFO L895 garLoopResultBuilder]: At program point L9267-8(line 9267) the Hoare annotation is: false [2022-11-02 20:30:41,431 INFO L899 garLoopResultBuilder]: For program point L9267-9(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,431 INFO L895 garLoopResultBuilder]: At program point L9201(line 9201) the Hoare annotation is: false [2022-11-02 20:30:41,432 INFO L899 garLoopResultBuilder]: For program point L9267-2(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,432 INFO L899 garLoopResultBuilder]: For program point L9201-1(line 9201) no Hoare annotation was computed. [2022-11-02 20:30:41,432 INFO L895 garLoopResultBuilder]: At program point L9267-4(line 9267) the Hoare annotation is: false [2022-11-02 20:30:41,432 INFO L899 garLoopResultBuilder]: For program point L9267-5(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,432 INFO L899 garLoopResultBuilder]: For program point L8772(lines 8772 8778) no Hoare annotation was computed. [2022-11-02 20:30:41,432 INFO L895 garLoopResultBuilder]: At program point L9251(line 9251) the Hoare annotation is: false [2022-11-02 20:30:41,433 INFO L895 garLoopResultBuilder]: At program point L9251-1(line 9251) the Hoare annotation is: false [2022-11-02 20:30:41,433 INFO L899 garLoopResultBuilder]: For program point L9267-10(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,433 INFO L895 garLoopResultBuilder]: At program point L9267-11(line 9267) the Hoare annotation is: false [2022-11-02 20:30:41,433 INFO L899 garLoopResultBuilder]: For program point L9267-12(line 9267) no Hoare annotation was computed. [2022-11-02 20:30:41,433 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-02 20:30:41,434 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-02 20:30:41,434 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-02 20:30:41,434 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:30:41,434 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:30:41,434 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-02 20:30:41,434 INFO L899 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9232 9237) no Hoare annotation was computed. [2022-11-02 20:30:41,435 INFO L899 garLoopResultBuilder]: For program point L9234-1(line 9234) no Hoare annotation was computed. [2022-11-02 20:30:41,435 INFO L902 garLoopResultBuilder]: At program point is_ends_valid_stateENTRY(lines 9232 9237) the Hoare annotation is: true [2022-11-02 20:30:41,435 INFO L899 garLoopResultBuilder]: For program point is_ends_valid_stateFINAL(lines 9232 9237) no Hoare annotation was computed. [2022-11-02 20:30:41,435 INFO L902 garLoopResultBuilder]: At program point L9235(line 9235) the Hoare annotation is: true [2022-11-02 20:30:41,435 INFO L902 garLoopResultBuilder]: At program point L9234(line 9234) the Hoare annotation is: true [2022-11-02 20:30:41,435 INFO L899 garLoopResultBuilder]: For program point L9235-1(line 9235) no Hoare annotation was computed. [2022-11-02 20:30:41,439 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:41,442 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:30:41,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:41 BoogieIcfgContainer [2022-11-02 20:30:41,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:30:41,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:30:41,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:30:41,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:30:41,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:01" (3/4) ... [2022-11-02 20:30:41,458 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:30:41,466 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2022-11-02 20:30:41,467 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_from_empty_array [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2022-11-02 20:30:41,468 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-02 20:30:41,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2022-11-02 20:30:41,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_front_valid_state [2022-11-02 20:30:41,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-02 20:30:41,469 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2022-11-02 20:30:41,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2022-11-02 20:30:41,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2022-11-02 20:30:41,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 153 nodes and edges [2022-11-02 20:30:41,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-11-02 20:30:41,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-11-02 20:30:41,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-02 20:30:41,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-02 20:30:41,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:30:41,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:30:41,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:30:42,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:30:42,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:30:42,131 INFO L158 Benchmark]: Toolchain (without parser) took 167440.71ms. Allocated memory was 127.9MB in the beginning and 1.1GB in the end (delta: 971.0MB). Free memory was 82.4MB in the beginning and 497.6MB in the end (delta: -415.1MB). Peak memory consumption was 555.8MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,131 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:30:42,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3729.94ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 82.1MB in the beginning and 105.3MB in the end (delta: -23.2MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.34ms. Allocated memory is still 169.9MB. Free memory was 105.3MB in the beginning and 91.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,133 INFO L158 Benchmark]: Boogie Preprocessor took 113.75ms. Allocated memory is still 169.9MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,133 INFO L158 Benchmark]: RCFGBuilder took 3125.99ms. Allocated memory was 169.9MB in the beginning and 241.2MB in the end (delta: 71.3MB). Free memory was 81.2MB in the beginning and 111.8MB in the end (delta: -30.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,133 INFO L158 Benchmark]: TraceAbstraction took 159499.73ms. Allocated memory was 241.2MB in the beginning and 1.1GB in the end (delta: 857.7MB). Free memory was 110.8MB in the beginning and 638.1MB in the end (delta: -527.3MB). Peak memory consumption was 330.4MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,134 INFO L158 Benchmark]: Witness Printer took 677.11ms. Allocated memory is still 1.1GB. Free memory was 638.1MB in the beginning and 497.6MB in the end (delta: 140.5MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2022-11-02 20:30:42,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.4MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3729.94ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 82.1MB in the beginning and 105.3MB in the end (delta: -23.2MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 285.34ms. Allocated memory is still 169.9MB. Free memory was 105.3MB in the beginning and 91.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.75ms. Allocated memory is still 169.9MB. Free memory was 91.7MB in the beginning and 81.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3125.99ms. Allocated memory was 169.9MB in the beginning and 241.2MB in the end (delta: 71.3MB). Free memory was 81.2MB in the beginning and 111.8MB in the end (delta: -30.6MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * TraceAbstraction took 159499.73ms. Allocated memory was 241.2MB in the beginning and 1.1GB in the end (delta: 857.7MB). Free memory was 110.8MB in the beginning and 638.1MB in the end (delta: -527.3MB). Peak memory consumption was 330.4MB. Max. memory is 16.1GB. * Witness Printer took 677.11ms. Allocated memory is still 1.1GB. Free memory was 638.1MB in the beginning and 497.6MB in the end (delta: 140.5MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 409 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 159.4s, OverallIterations: 25, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 45.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4248 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3578 mSDsluCounter, 80106 SdHoareTripleChecker+Invalid, 30.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 6373 IncrementalHoareTripleChecker+Unchecked, 66677 mSDsCounter, 2439 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28832 IncrementalHoareTripleChecker+Invalid, 37644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2439 mSolverCounterUnsat, 13429 mSDtfsCounter, 28832 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9972 GetRequests, 9331 SyntacticMatches, 90 SemanticMatches, 551 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5376 ImplicationChecksByTransitivity, 30.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=23, InterpolantAutomatonStates: 360, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 163 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 178 LocationsWithAnnotation, 6387 PreInvPairs, 6400 NumberOfFragments, 849 HoareAnnotationTreeSize, 6387 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 178 FomulaSimplificationsInter, 2209 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 19.1s SatisfiabilityAnalysisTime, 75.8s InterpolantComputationTime, 12778 NumberOfCodeBlocks, 12778 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 13040 ConstructedInterpolants, 773 QuantifiedInterpolants, 28310 SizeOfPredicates, 164 NumberOfNonLiveVariables, 73223 ConjunctsInSsa, 491 ConjunctsInUnsatCore, 48 InterpolantComputations, 19 PerfectInterpolantSequences, 20367/20826 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 8691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8815]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9199]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9279]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:30:42,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc3bae4e-4097-4365-b30b-88dd6a1a5e5d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE