./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_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_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/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_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/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_b5837820-3339-4d64-bf09-4fd0ee05821b/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 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- 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 20:38:07,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:38:07,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:38:07,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:38:07,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:38:07,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:38:07,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:38:07,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:38:07,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:38:07,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:38:07,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:38:07,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:38:07,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:38:07,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:38:07,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:38:07,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:38:07,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:38:07,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:38:07,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:38:07,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:38:07,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:38:07,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:38:07,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:38:07,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:38:07,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:38:07,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:38:07,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:38:07,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:38:07,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:38:07,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:38:07,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:38:07,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:38:07,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:38:07,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:38:07,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:38:07,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:38:07,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:38:07,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:38:07,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:38:07,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:38:07,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:38:07,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:38:07,194 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:38:07,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:38:07,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:38:07,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:38:07,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:38:07,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:38:07,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:38:07,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:38:07,199 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:38:07,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:38:07,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:38:07,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:38:07,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:38:07,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:38:07,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:38:07,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:38:07,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:38:07,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:38:07,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:38:07,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:38:07,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:38:07,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:07,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:38:07,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:38:07,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:38:07,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:38:07,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:38:07,205 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:38:07,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:38:07,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:38:07,206 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_b5837820-3339-4d64-bf09-4fd0ee05821b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2022-11-02 20:38:07,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:38:07,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:38:07,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:38:07,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:38:07,634 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:38:07,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2022-11-02 20:38:07,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/data/1c8a65de3/664b705faba1431fa51dbac8763cbd3c/FLAGe950504b2 [2022-11-02 20:38:09,207 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:38:09,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2022-11-02 20:38:09,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/data/1c8a65de3/664b705faba1431fa51dbac8763cbd3c/FLAGe950504b2 [2022-11-02 20:38:09,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/data/1c8a65de3/664b705faba1431fa51dbac8763cbd3c [2022-11-02 20:38:09,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:38:09,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:38:09,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:09,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:38:09,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:38:09,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:09" (1/1) ... [2022-11-02 20:38:09,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef403a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:09, skipping insertion in model container [2022-11-02 20:38:09,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:38:09" (1/1) ... [2022-11-02 20:38:09,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:38:09,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:38:10,177 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_b5837820-3339-4d64-bf09-4fd0ee05821b/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2022-11-02 20:38:10,191 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_b5837820-3339-4d64-bf09-4fd0ee05821b/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2022-11-02 20:38:11,870 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,871 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,872 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,874 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,876 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,898 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,899 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,902 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:11,903 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:12,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:38:12,538 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:38:12,541 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:38:12,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:38:12,546 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:38:12,547 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:38:12,549 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:38:12,550 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:38:12,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:38:12,555 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:38:12,835 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:38:13,011 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,012 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:13,312 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:38:13,352 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_b5837820-3339-4d64-bf09-4fd0ee05821b/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2022-11-02 20:38:13,374 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_b5837820-3339-4d64-bf09-4fd0ee05821b/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2022-11-02 20:38:13,484 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,492 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,493 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,496 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,498 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,511 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,512 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,515 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,516 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,605 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-02 20:38:13,606 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-02 20:38:13,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-02 20:38:13,620 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-02 20:38:13,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-02 20:38:13,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-02 20:38:13,629 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-02 20:38:13,630 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-02 20:38:13,631 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-02 20:38:13,632 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-02 20:38:13,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-02 20:38:13,808 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,809 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-02 20:38:13,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:38:14,313 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:38:14,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14 WrapperNode [2022-11-02 20:38:14,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:38:14,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:14,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:38:14,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:38:14,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,703 INFO L138 Inliner]: procedures = 695, calls = 2942, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1014 [2022-11-02 20:38:14,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:38:14,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:38:14,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:38:14,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:38:14,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:38:14,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:38:14,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:38:14,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:38:14,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (1/1) ... [2022-11-02 20:38:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:38:14,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:14,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:38:14,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:38:14,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-02 20:38:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-02 20:38:14,999 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2022-11-02 20:38:15,000 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-11-02 20:38:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:38:15,001 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-02 20:38:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-02 20:38:15,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-11-02 20:38:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-11-02 20:38:15,003 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2022-11-02 20:38:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2022-11-02 20:38:15,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:38:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2022-11-02 20:38:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2022-11-02 20:38:15,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-02 20:38:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-02 20:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:38:15,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-11-02 20:38:15,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-11-02 20:38:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:38:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:38:15,009 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-02 20:38:15,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-02 20:38:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2022-11-02 20:38:15,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2022-11-02 20:38:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:38:15,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:38:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:38:15,013 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:38:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:38:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:38:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:38:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:38:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:38:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-02 20:38:15,015 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-02 20:38:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2022-11-02 20:38:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2022-11-02 20:38:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2022-11-02 20:38:15,016 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2022-11-02 20:38:15,017 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-02 20:38:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-02 20:38:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2022-11-02 20:38:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2022-11-02 20:38:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-11-02 20:38:15,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-11-02 20:38:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2022-11-02 20:38:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2022-11-02 20:38:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2022-11-02 20:38:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2022-11-02 20:38:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:38:15,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:38:15,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:38:18,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:38:18,194 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:38:18,194 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:38:18,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:18 BoogieIcfgContainer [2022-11-02 20:38:18,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:38:18,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:38:18,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:38:18,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:38:18,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:38:09" (1/3) ... [2022-11-02 20:38:18,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34be5249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:38:18, skipping insertion in model container [2022-11-02 20:38:18,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:38:14" (2/3) ... [2022-11-02 20:38:18,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34be5249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:38:18, skipping insertion in model container [2022-11-02 20:38:18,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:18" (3/3) ... [2022-11-02 20:38:18,231 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2022-11-02 20:38:18,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:38:18,269 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-02 20:38:18,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:38:18,432 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;@77ae3247, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:38:18,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-02 20:38:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-11-02 20:38:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:38:18,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:18,466 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 20:38:18,468 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 20:38:18,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:18,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1737794593, now seen corresponding path program 1 times [2022-11-02 20:38:18,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:18,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900238279] [2022-11-02 20:38:18,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:18,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:19,768 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 20:38:19,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:19,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900238279] [2022-11-02 20:38:19,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900238279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:19,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:19,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:38:19,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353591204] [2022-11-02 20:38:19,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:19,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:38:19,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:19,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:38:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:38:19,857 INFO L87 Difference]: Start difference. First operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) 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 20:38:20,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:20,861 INFO L93 Difference]: Finished difference Result 592 states and 876 transitions. [2022-11-02 20:38:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:38:20,865 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 20:38:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:20,901 INFO L225 Difference]: With dead ends: 592 [2022-11-02 20:38:20,905 INFO L226 Difference]: Without dead ends: 294 [2022-11-02 20:38:20,918 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 20:38:20,927 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 131 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:20,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 472 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:38:20,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-11-02 20:38:21,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-11-02 20:38:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 185 states have (on average 1.2054054054054053) internal successors, (223), 188 states have internal predecessors, (223), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-11-02 20:38:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 396 transitions. [2022-11-02 20:38:21,042 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 396 transitions. Word has length 52 [2022-11-02 20:38:21,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:21,044 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 396 transitions. [2022-11-02 20:38:21,045 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 20:38:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 396 transitions. [2022-11-02 20:38:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:38:21,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:21,049 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 20:38:21,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:38:21,050 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 20:38:21,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash 791948131, now seen corresponding path program 1 times [2022-11-02 20:38:21,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:21,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611561516] [2022-11-02 20:38:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:21,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:22,456 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 20:38:22,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:22,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611561516] [2022-11-02 20:38:22,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611561516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:22,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:22,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:38:22,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183451220] [2022-11-02 20:38:22,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:22,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:38:22,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:22,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:38:22,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:38:22,463 INFO L87 Difference]: Start difference. First operand 294 states and 396 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 20:38:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:24,708 INFO L93 Difference]: Finished difference Result 581 states and 822 transitions. [2022-11-02 20:38:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:38:24,710 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 20:38:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:24,714 INFO L225 Difference]: With dead ends: 581 [2022-11-02 20:38:24,714 INFO L226 Difference]: Without dead ends: 306 [2022-11-02 20:38:24,718 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 20:38:24,720 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 171 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:24,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1258 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1258 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-02 20:38:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-02 20:38:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2022-11-02 20:38:24,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 194 states have (on average 1.211340206185567) internal successors, (235), 197 states have internal predecessors, (235), 88 states have call successors, (88), 22 states have call predecessors, (88), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-11-02 20:38:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 410 transitions. [2022-11-02 20:38:24,762 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 410 transitions. Word has length 52 [2022-11-02 20:38:24,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:24,763 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 410 transitions. [2022-11-02 20:38:24,763 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 20:38:24,764 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 410 transitions. [2022-11-02 20:38:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-02 20:38:24,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:24,768 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] [2022-11-02 20:38:24,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:38:24,768 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 20:38:24,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:24,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1192107770, now seen corresponding path program 1 times [2022-11-02 20:38:24,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:24,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838042572] [2022-11-02 20:38:24,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:38:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:26,430 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 20:38:26,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:26,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838042572] [2022-11-02 20:38:26,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838042572] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:26,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310770540] [2022-11-02 20:38:26,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:26,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:26,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:38:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:27,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:38:27,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:27,538 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 20:38:27,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:27,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310770540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:27,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:27,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-02 20:38:27,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259370152] [2022-11-02 20:38:27,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:27,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:27,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:27,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:27,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:38:27,542 INFO L87 Difference]: Start difference. First operand 306 states and 410 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-02 20:38:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:27,715 INFO L93 Difference]: Finished difference Result 317 states and 424 transitions. [2022-11-02 20:38:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:38:27,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 83 [2022-11-02 20:38:27,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:27,720 INFO L225 Difference]: With dead ends: 317 [2022-11-02 20:38:27,721 INFO L226 Difference]: Without dead ends: 314 [2022-11-02 20:38:27,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:38:27,723 INFO L413 NwaCegarLoop]: 395 mSDtfsCounter, 26 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:27,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 2325 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:27,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-02 20:38:27,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2022-11-02 20:38:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 201 states have (on average 1.2238805970149254) internal successors, (246), 204 states have internal predecessors, (246), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2022-11-02 20:38:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2022-11-02 20:38:27,801 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 83 [2022-11-02 20:38:27,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:27,805 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2022-11-02 20:38:27,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-02 20:38:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2022-11-02 20:38:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-02 20:38:27,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:27,823 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1] [2022-11-02 20:38:27,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:28,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-02 20:38:28,038 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:28,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1476720326, now seen corresponding path program 1 times [2022-11-02 20:38:28,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:28,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570351247] [2022-11-02 20:38:28,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:28,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:38:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:38:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:38:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:38:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:38:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-02 20:38:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:38:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:38:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 20:38:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-11-02 20:38:29,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:29,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570351247] [2022-11-02 20:38:29,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570351247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:29,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:29,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:38:29,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804559434] [2022-11-02 20:38:29,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:29,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:29,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:29,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:29,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:29,916 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-02 20:38:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:31,675 INFO L93 Difference]: Finished difference Result 585 states and 788 transitions. [2022-11-02 20:38:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:38:31,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 216 [2022-11-02 20:38:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:31,683 INFO L225 Difference]: With dead ends: 585 [2022-11-02 20:38:31,683 INFO L226 Difference]: Without dead ends: 319 [2022-11-02 20:38:31,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:38:31,692 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 236 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:31,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 922 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-02 20:38:31,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-02 20:38:31,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2022-11-02 20:38:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.224390243902439) internal successors, (251), 209 states have internal predecessors, (251), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2022-11-02 20:38:31,751 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 216 [2022-11-02 20:38:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:31,756 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2022-11-02 20:38:31,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-02 20:38:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2022-11-02 20:38:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-02 20:38:31,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:31,767 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:31,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:38:31,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:31,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash -471041055, now seen corresponding path program 1 times [2022-11-02 20:38:31,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:31,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081202208] [2022-11-02 20:38:31,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:31,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:38:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:38:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:38:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:38:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:38:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-02 20:38:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:38:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:38:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-02 20:38:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:33,834 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-02 20:38:33,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081202208] [2022-11-02 20:38:33,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081202208] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:33,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840796988] [2022-11-02 20:38:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:33,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:33,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:33,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:38:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:34,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 3115 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:38:34,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-11-02 20:38:35,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:35,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840796988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:35,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:35,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2022-11-02 20:38:35,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155336977] [2022-11-02 20:38:35,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:35,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:35,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:35,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:35,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:38:35,092 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:35,251 INFO L93 Difference]: Finished difference Result 631 states and 844 transitions. [2022-11-02 20:38:35,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:38:35,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 218 [2022-11-02 20:38:35,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:35,257 INFO L225 Difference]: With dead ends: 631 [2022-11-02 20:38:35,257 INFO L226 Difference]: Without dead ends: 321 [2022-11-02 20:38:35,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:38:35,260 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 6 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:35,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1915 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:35,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-02 20:38:35,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2022-11-02 20:38:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 209 states have internal predecessors, (249), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 426 transitions. [2022-11-02 20:38:35,291 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 426 transitions. Word has length 218 [2022-11-02 20:38:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:35,291 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 426 transitions. [2022-11-02 20:38:35,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:35,292 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2022-11-02 20:38:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-02 20:38:35,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:35,296 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:35,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:35,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:35,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:35,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:35,522 INFO L85 PathProgramCache]: Analyzing trace with hash 883083257, now seen corresponding path program 1 times [2022-11-02 20:38:35,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:35,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457726103] [2022-11-02 20:38:35,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:35,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:38:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:38:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:38:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-02 20:38:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:38:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:38:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:38:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:38:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:38:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:37,596 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-02 20:38:37,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:37,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457726103] [2022-11-02 20:38:37,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457726103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:37,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721154368] [2022-11-02 20:38:37,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:37,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:37,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:37,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:38:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:38,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 3119 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:38,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-11-02 20:38:38,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:38,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721154368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:38,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:38,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:38,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053858518] [2022-11-02 20:38:38,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:38,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:38,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:38,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:38,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:38,823 INFO L87 Difference]: Start difference. First operand 319 states and 426 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:39,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:39,015 INFO L93 Difference]: Finished difference Result 631 states and 840 transitions. [2022-11-02 20:38:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:38:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 220 [2022-11-02 20:38:39,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:39,020 INFO L225 Difference]: With dead ends: 631 [2022-11-02 20:38:39,021 INFO L226 Difference]: Without dead ends: 321 [2022-11-02 20:38:39,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:39,024 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 18 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:39,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2273 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:39,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-02 20:38:39,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2022-11-02 20:38:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2048780487804878) internal successors, (247), 209 states have internal predecessors, (247), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:39,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2022-11-02 20:38:39,052 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 220 [2022-11-02 20:38:39,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:39,053 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2022-11-02 20:38:39,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:39,054 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2022-11-02 20:38:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-02 20:38:39,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:39,058 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:39,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:39,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:39,274 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:39,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:39,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1527237729, now seen corresponding path program 1 times [2022-11-02 20:38:39,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:39,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724090525] [2022-11-02 20:38:39,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:39,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 20:38:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:38:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:38:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 20:38:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:38:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-02 20:38:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-02 20:38:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-02 20:38:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-02 20:38:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-02 20:38:41,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:41,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724090525] [2022-11-02 20:38:41,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724090525] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:41,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963518036] [2022-11-02 20:38:41,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:41,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:41,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:41,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 20:38:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:42,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 3123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:42,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:42,341 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-11-02 20:38:42,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:42,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963518036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:42,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:42,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:42,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454858269] [2022-11-02 20:38:42,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:42,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:42,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:42,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:42,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:42,346 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:42,543 INFO L93 Difference]: Finished difference Result 628 states and 833 transitions. [2022-11-02 20:38:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:38:42,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 222 [2022-11-02 20:38:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:42,552 INFO L225 Difference]: With dead ends: 628 [2022-11-02 20:38:42,552 INFO L226 Difference]: Without dead ends: 323 [2022-11-02 20:38:42,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:42,556 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 20 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:42,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1890 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:42,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-11-02 20:38:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2022-11-02 20:38:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2) internal successors, (246), 209 states have internal predecessors, (246), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 423 transitions. [2022-11-02 20:38:42,584 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 423 transitions. Word has length 222 [2022-11-02 20:38:42,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:42,584 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 423 transitions. [2022-11-02 20:38:42,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 423 transitions. [2022-11-02 20:38:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-02 20:38:42,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:42,590 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:42,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:42,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:42,814 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:42,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:42,814 INFO L85 PathProgramCache]: Analyzing trace with hash 842784753, now seen corresponding path program 1 times [2022-11-02 20:38:42,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:42,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196191172] [2022-11-02 20:38:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:42,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:38:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:38:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:38:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:38:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:38:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-02 20:38:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:38:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-02 20:38:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-02 20:38:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-02 20:38:44,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:44,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196191172] [2022-11-02 20:38:44,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196191172] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:44,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140247935] [2022-11-02 20:38:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:44,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:44,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:44,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:44,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 20:38:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:45,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:45,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-11-02 20:38:45,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:45,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140247935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:45,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:45,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:45,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628709311] [2022-11-02 20:38:45,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:45,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:45,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:45,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:45,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:45,678 INFO L87 Difference]: Start difference. First operand 319 states and 423 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:45,880 INFO L93 Difference]: Finished difference Result 628 states and 831 transitions. [2022-11-02 20:38:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:38:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 224 [2022-11-02 20:38:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:45,885 INFO L225 Difference]: With dead ends: 628 [2022-11-02 20:38:45,885 INFO L226 Difference]: Without dead ends: 323 [2022-11-02 20:38:45,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:45,889 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 20 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1887 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:45,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1887 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:45,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2022-11-02 20:38:45,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2022-11-02 20:38:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1951219512195121) internal successors, (245), 209 states have internal predecessors, (245), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:45,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2022-11-02 20:38:45,915 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 224 [2022-11-02 20:38:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:45,916 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2022-11-02 20:38:45,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2022-11-02 20:38:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-02 20:38:45,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:45,923 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:45,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:46,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:46,138 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:46,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash -453444895, now seen corresponding path program 1 times [2022-11-02 20:38:46,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:46,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459917627] [2022-11-02 20:38:46,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:38:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:38:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:38:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-02 20:38:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:38:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:38:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:38:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-02 20:38:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-02 20:38:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:38:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:38:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 6 proven. 50 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-02 20:38:47,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:47,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459917627] [2022-11-02 20:38:47,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459917627] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:47,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259294970] [2022-11-02 20:38:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:47,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:47,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:47,949 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:47,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 20:38:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:48,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 3131 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:38:48,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:49,019 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-02 20:38:49,019 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:49,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259294970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:49,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:49,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2022-11-02 20:38:49,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378251771] [2022-11-02 20:38:49,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:49,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:49,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:49,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:49,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:38:49,023 INFO L87 Difference]: Start difference. First operand 319 states and 422 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:49,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:49,130 INFO L93 Difference]: Finished difference Result 602 states and 834 transitions. [2022-11-02 20:38:49,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:38:49,131 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 226 [2022-11-02 20:38:49,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:49,134 INFO L225 Difference]: With dead ends: 602 [2022-11-02 20:38:49,134 INFO L226 Difference]: Without dead ends: 319 [2022-11-02 20:38:49,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:38:49,140 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 6 mSDsluCounter, 1539 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:49,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1930 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:38:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-02 20:38:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2022-11-02 20:38:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1902439024390243) internal successors, (244), 209 states have internal predecessors, (244), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2022-11-02 20:38:49,163 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 226 [2022-11-02 20:38:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:49,164 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2022-11-02 20:38:49,164 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2022-11-02 20:38:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-02 20:38:49,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:49,170 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:49,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:49,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:49,390 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:49,390 INFO L85 PathProgramCache]: Analyzing trace with hash 643320073, now seen corresponding path program 1 times [2022-11-02 20:38:49,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:49,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596094363] [2022-11-02 20:38:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:49,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:38:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:38:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 20:38:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:38:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:38:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:38:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:38:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:38:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-02 20:38:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:38:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-02 20:38:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:51,224 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-11-02 20:38:51,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:51,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596094363] [2022-11-02 20:38:51,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596094363] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:51,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680228576] [2022-11-02 20:38:51,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:51,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:51,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:51,228 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:51,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 20:38:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:52,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:52,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-02 20:38:52,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:52,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680228576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:52,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:52,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:52,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363926185] [2022-11-02 20:38:52,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:52,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:52,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:52,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:52,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:52,349 INFO L87 Difference]: Start difference. First operand 319 states and 421 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:52,511 INFO L93 Difference]: Finished difference Result 602 states and 832 transitions. [2022-11-02 20:38:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:38:52,513 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 232 [2022-11-02 20:38:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:52,516 INFO L225 Difference]: With dead ends: 602 [2022-11-02 20:38:52,517 INFO L226 Difference]: Without dead ends: 319 [2022-11-02 20:38:52,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:52,523 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 16 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:52,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1902 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:52,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-02 20:38:52,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2022-11-02 20:38:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 209 states have internal predecessors, (243), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2022-11-02 20:38:52,549 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 232 [2022-11-02 20:38:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:52,551 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2022-11-02 20:38:52,551 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2022-11-02 20:38:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-02 20:38:52,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:52,556 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:52,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:52,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:52,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:52,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:52,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1201013097, now seen corresponding path program 1 times [2022-11-02 20:38:52,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:52,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255317187] [2022-11-02 20:38:52,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:52,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:38:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:38:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-02 20:38:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:38:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-02 20:38:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:38:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:38:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:38:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-02 20:38:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-02 20:38:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-02 20:38:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:38:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-11-02 20:38:54,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:54,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255317187] [2022-11-02 20:38:54,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255317187] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:54,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957493676] [2022-11-02 20:38:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:54,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:54,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:54,376 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:54,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 20:38:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:55,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:55,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:55,470 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-02 20:38:55,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:55,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957493676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:55,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:55,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:55,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141077689] [2022-11-02 20:38:55,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:55,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:55,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:55,474 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:55,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:55,630 INFO L93 Difference]: Finished difference Result 604 states and 832 transitions. [2022-11-02 20:38:55,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:38:55,631 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2022-11-02 20:38:55,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:55,635 INFO L225 Difference]: With dead ends: 604 [2022-11-02 20:38:55,635 INFO L226 Difference]: Without dead ends: 321 [2022-11-02 20:38:55,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:55,638 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 14 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:55,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1899 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-02 20:38:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2022-11-02 20:38:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1804878048780487) internal successors, (242), 209 states have internal predecessors, (242), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 419 transitions. [2022-11-02 20:38:55,663 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 419 transitions. Word has length 238 [2022-11-02 20:38:55,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:55,664 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 419 transitions. [2022-11-02 20:38:55,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 419 transitions. [2022-11-02 20:38:55,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-02 20:38:55,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:55,670 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:55,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:55,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 20:38:55,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:55,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:55,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1185331191, now seen corresponding path program 1 times [2022-11-02 20:38:55,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:55,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103428375] [2022-11-02 20:38:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:38:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:38:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:38:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:38:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:38:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:38:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:38:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-02 20:38:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-02 20:38:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:38:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:38:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:38:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-02 20:38:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-02 20:38:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-02 20:38:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-02 20:38:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:57,503 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-02 20:38:57,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:57,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103428375] [2022-11-02 20:38:57,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103428375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:38:57,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142875408] [2022-11-02 20:38:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:57,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:38:57,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:38:57,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 20:38:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:58,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 3167 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 20:38:58,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:38:58,761 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-02 20:38:58,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:38:58,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142875408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:58,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:38:58,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-02 20:38:58,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646079158] [2022-11-02 20:38:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:58,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:38:58,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:58,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:38:58,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:38:58,771 INFO L87 Difference]: Start difference. First operand 319 states and 419 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:58,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:58,945 INFO L93 Difference]: Finished difference Result 604 states and 830 transitions. [2022-11-02 20:38:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:38:58,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 244 [2022-11-02 20:38:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:58,950 INFO L225 Difference]: With dead ends: 604 [2022-11-02 20:38:58,950 INFO L226 Difference]: Without dead ends: 321 [2022-11-02 20:38:58,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:38:58,953 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 13 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2276 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:58,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2276 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:38:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-11-02 20:38:58,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2022-11-02 20:38:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.175609756097561) internal successors, (241), 209 states have internal predecessors, (241), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2022-11-02 20:38:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 418 transitions. [2022-11-02 20:38:58,977 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 418 transitions. Word has length 244 [2022-11-02 20:38:58,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:58,978 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 418 transitions. [2022-11-02 20:38:58,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:38:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 418 transitions. [2022-11-02 20:38:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:38:58,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:58,985 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:38:59,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:38:59,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:38:59,210 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:59,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1015696881, now seen corresponding path program 1 times [2022-11-02 20:38:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:59,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708458784] [2022-11-02 20:38:59,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:59,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:39:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:39:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:39:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:39:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:39:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:39:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:39:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:39:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:39:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:39:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:39:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-02 20:39:01,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:01,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708458784] [2022-11-02 20:39:01,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708458784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:01,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:01,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:39:01,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709394955] [2022-11-02 20:39:01,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:01,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:39:01,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:01,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:39:01,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:39:01,529 INFO L87 Difference]: Start difference. First operand 319 states and 418 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-02 20:39:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:03,339 INFO L93 Difference]: Finished difference Result 596 states and 787 transitions. [2022-11-02 20:39:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:39:03,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 250 [2022-11-02 20:39:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:03,344 INFO L225 Difference]: With dead ends: 596 [2022-11-02 20:39:03,344 INFO L226 Difference]: Without dead ends: 325 [2022-11-02 20:39:03,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:03,347 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 130 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:03,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 1226 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-02 20:39:03,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2022-11-02 20:39:03,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 322. [2022-11-02 20:39:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 207 states have (on average 1.173913043478261) internal successors, (243), 212 states have internal predecessors, (243), 88 states have call successors, (88), 23 states have call predecessors, (88), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2022-11-02 20:39:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 423 transitions. [2022-11-02 20:39:03,371 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 423 transitions. Word has length 250 [2022-11-02 20:39:03,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:03,374 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 423 transitions. [2022-11-02 20:39:03,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-02 20:39:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 423 transitions. [2022-11-02 20:39:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:39:03,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:03,380 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:03,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:39:03,381 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:03,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:03,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1433093487, now seen corresponding path program 1 times [2022-11-02 20:39:03,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:03,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817837851] [2022-11-02 20:39:03,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:03,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:08,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:39:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:39:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:39:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:39:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:39:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:39:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:39:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:39:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:39:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:39:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:39:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-02 20:39:10,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:10,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817837851] [2022-11-02 20:39:10,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817837851] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:10,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161421559] [2022-11-02 20:39:10,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:10,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:10,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:10,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:10,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 20:39:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:11,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 3184 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-02 20:39:11,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:11,582 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 20:39:12,740 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 20:39:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 215 proven. 9 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-02 20:39:15,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:39:18,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161421559] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:18,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:39:18,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 33 [2022-11-02 20:39:18,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094851334] [2022-11-02 20:39:18,534 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:39:18,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-02 20:39:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-02 20:39:18,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1751, Unknown=1, NotChecked=0, Total=1892 [2022-11-02 20:39:18,539 INFO L87 Difference]: Start difference. First operand 322 states and 423 transitions. Second operand has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2022-11-02 20:39:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:24,449 INFO L93 Difference]: Finished difference Result 684 states and 897 transitions. [2022-11-02 20:39:24,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-11-02 20:39:24,450 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) Word has length 250 [2022-11-02 20:39:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:24,455 INFO L225 Difference]: With dead ends: 684 [2022-11-02 20:39:24,455 INFO L226 Difference]: Without dead ends: 399 [2022-11-02 20:39:24,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 458 SyntacticMatches, 20 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=326, Invalid=4365, Unknown=1, NotChecked=0, Total=4692 [2022-11-02 20:39:24,462 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 154 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 3236 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 913 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:24,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 3236 Invalid, 3996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2980 Invalid, 0 Unknown, 913 Unchecked, 4.1s Time] [2022-11-02 20:39:24,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-11-02 20:39:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 385. [2022-11-02 20:39:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 255 states have (on average 1.1725490196078432) internal successors, (299), 258 states have internal predecessors, (299), 95 states have call successors, (95), 31 states have call predecessors, (95), 33 states have return successors, (105), 96 states have call predecessors, (105), 94 states have call successors, (105) [2022-11-02 20:39:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 499 transitions. [2022-11-02 20:39:24,501 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 499 transitions. Word has length 250 [2022-11-02 20:39:24,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:24,502 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 499 transitions. [2022-11-02 20:39:24,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2022-11-02 20:39:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 499 transitions. [2022-11-02 20:39:24,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:39:24,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:24,509 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:24,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:24,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-02 20:39:24,722 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:24,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:24,723 INFO L85 PathProgramCache]: Analyzing trace with hash 701126061, now seen corresponding path program 1 times [2022-11-02 20:39:24,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:24,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301271784] [2022-11-02 20:39:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:24,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:39:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:39:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:39:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:39:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:39:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:39:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:39:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:39:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:39:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:39:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:39:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-02 20:39:31,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:31,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301271784] [2022-11-02 20:39:31,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301271784] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:31,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966999291] [2022-11-02 20:39:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:31,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:31,188 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:31,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 20:39:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:32,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-02 20:39:32,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:32,134 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 20:39:33,106 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 20:39:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-02 20:39:35,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:39:35,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966999291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:35,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:39:35,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [24] total 35 [2022-11-02 20:39:35,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795870821] [2022-11-02 20:39:35,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:35,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 20:39:35,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:35,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 20:39:35,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1095, Unknown=0, NotChecked=0, Total=1190 [2022-11-02 20:39:35,082 INFO L87 Difference]: Start difference. First operand 385 states and 499 transitions. Second operand has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 14 states have internal predecessors, (99), 8 states have call successors, (29), 3 states have call predecessors, (29), 8 states have return successors, (28), 12 states have call predecessors, (28), 8 states have call successors, (28) [2022-11-02 20:39:35,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:35,434 INFO L93 Difference]: Finished difference Result 681 states and 893 transitions. [2022-11-02 20:39:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:39:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 14 states have internal predecessors, (99), 8 states have call successors, (29), 3 states have call predecessors, (29), 8 states have return successors, (28), 12 states have call predecessors, (28), 8 states have call successors, (28) Word has length 250 [2022-11-02 20:39:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:35,438 INFO L225 Difference]: With dead ends: 681 [2022-11-02 20:39:35,438 INFO L226 Difference]: Without dead ends: 382 [2022-11-02 20:39:35,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 291 SyntacticMatches, 19 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=95, Invalid=1095, Unknown=0, NotChecked=0, Total=1190 [2022-11-02 20:39:35,442 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 27 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3977 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 468 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:35,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3977 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 138 Invalid, 0 Unknown, 468 Unchecked, 0.3s Time] [2022-11-02 20:39:35,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-11-02 20:39:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-11-02 20:39:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 252 states have (on average 1.1706349206349207) internal successors, (295), 255 states have internal predecessors, (295), 95 states have call successors, (95), 31 states have call predecessors, (95), 33 states have return successors, (105), 96 states have call predecessors, (105), 94 states have call successors, (105) [2022-11-02 20:39:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 495 transitions. [2022-11-02 20:39:35,469 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 495 transitions. Word has length 250 [2022-11-02 20:39:35,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:35,470 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 495 transitions. [2022-11-02 20:39:35,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.823529411764706) internal successors, (99), 14 states have internal predecessors, (99), 8 states have call successors, (29), 3 states have call predecessors, (29), 8 states have return successors, (28), 12 states have call predecessors, (28), 8 states have call successors, (28) [2022-11-02 20:39:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 495 transitions. [2022-11-02 20:39:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:39:35,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:35,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:35,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:35,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-02 20:39:35,690 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:35,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:35,690 INFO L85 PathProgramCache]: Analyzing trace with hash 940467313, now seen corresponding path program 1 times [2022-11-02 20:39:35,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:35,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369902642] [2022-11-02 20:39:35,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:35,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:39:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:39:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:39:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:39:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:39:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:39:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:39:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:39:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:39:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:39:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:39:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-02 20:39:41,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:41,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369902642] [2022-11-02 20:39:41,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369902642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:41,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215045998] [2022-11-02 20:39:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:41,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:41,094 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:41,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 20:39:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:41,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-02 20:39:42,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:42,058 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 20:39:42,923 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 20:39:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 214 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-02 20:39:44,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:39:47,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215045998] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:47,122 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:39:47,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2022-11-02 20:39:47,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435230264] [2022-11-02 20:39:47,123 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:39:47,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-11-02 20:39:47,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:47,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-11-02 20:39:47,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2022-11-02 20:39:47,126 INFO L87 Difference]: Start difference. First operand 382 states and 495 transitions. Second operand has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) [2022-11-02 20:39:51,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:51,714 INFO L93 Difference]: Finished difference Result 735 states and 967 transitions. [2022-11-02 20:39:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-02 20:39:51,715 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) Word has length 250 [2022-11-02 20:39:51,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:51,719 INFO L225 Difference]: With dead ends: 735 [2022-11-02 20:39:51,720 INFO L226 Difference]: Without dead ends: 421 [2022-11-02 20:39:51,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 464 SyntacticMatches, 19 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=308, Invalid=4113, Unknown=1, NotChecked=0, Total=4422 [2022-11-02 20:39:51,724 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 170 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 3101 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 681 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:51,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 3101 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2887 Invalid, 0 Unknown, 681 Unchecked, 3.2s Time] [2022-11-02 20:39:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-11-02 20:39:51,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 390. [2022-11-02 20:39:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 259 states have (on average 1.166023166023166) internal successors, (302), 262 states have internal predecessors, (302), 95 states have call successors, (95), 32 states have call predecessors, (95), 34 states have return successors, (102), 96 states have call predecessors, (102), 94 states have call successors, (102) [2022-11-02 20:39:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 499 transitions. [2022-11-02 20:39:51,753 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 499 transitions. Word has length 250 [2022-11-02 20:39:51,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:51,756 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 499 transitions. [2022-11-02 20:39:51,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) [2022-11-02 20:39:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 499 transitions. [2022-11-02 20:39:51,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:39:51,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:51,759 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:51,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:39:51,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-02 20:39:51,982 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:51,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash 208499887, now seen corresponding path program 1 times [2022-11-02 20:39:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:51,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459935712] [2022-11-02 20:39:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:39:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:39:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:39:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:39:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:39:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:39:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:39:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:39:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:39:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:39:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:39:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:39:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:39:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:57,328 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-11-02 20:39:57,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:57,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459935712] [2022-11-02 20:39:57,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459935712] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98782809] [2022-11-02 20:39:57,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:57,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:57,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:57,331 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:57,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 20:39:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 3194 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-02 20:39:58,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:58,316 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 20:39:59,462 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 19 treesize of output 18 [2022-11-02 20:40:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 214 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-02 20:40:01,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:40:02,088 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 20:40:02,661 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 20:40:03,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98782809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:03,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 20:40:03,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2022-11-02 20:40:03,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307861136] [2022-11-02 20:40:03,687 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 20:40:03,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-11-02 20:40:03,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:03,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-11-02 20:40:03,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2678, Unknown=0, NotChecked=0, Total=2862 [2022-11-02 20:40:03,690 INFO L87 Difference]: Start difference. First operand 390 states and 499 transitions. Second operand has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) [2022-11-02 20:40:12,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:12,388 INFO L93 Difference]: Finished difference Result 748 states and 980 transitions. [2022-11-02 20:40:12,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-11-02 20:40:12,389 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) Word has length 250 [2022-11-02 20:40:12,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:12,393 INFO L225 Difference]: With dead ends: 748 [2022-11-02 20:40:12,393 INFO L226 Difference]: Without dead ends: 447 [2022-11-02 20:40:12,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 451 SyntacticMatches, 20 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1929 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=464, Invalid=7726, Unknown=0, NotChecked=0, Total=8190 [2022-11-02 20:40:12,398 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 166 mSDsluCounter, 3409 mSDsCounter, 0 mSdLazyCounter, 5368 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 6199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 5368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 718 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:12,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 3792 Invalid, 6199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 5368 Invalid, 0 Unknown, 718 Unchecked, 5.5s Time] [2022-11-02 20:40:12,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-11-02 20:40:12,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 395. [2022-11-02 20:40:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 263 states have (on average 1.167300380228137) internal successors, (307), 266 states have internal predecessors, (307), 96 states have call successors, (96), 32 states have call predecessors, (96), 34 states have return successors, (106), 97 states have call predecessors, (106), 95 states have call successors, (106) [2022-11-02 20:40:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 509 transitions. [2022-11-02 20:40:12,428 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 509 transitions. Word has length 250 [2022-11-02 20:40:12,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:12,429 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 509 transitions. [2022-11-02 20:40:12,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) [2022-11-02 20:40:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 509 transitions. [2022-11-02 20:40:12,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:40:12,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:12,432 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:12,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:12,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-02 20:40:12,658 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:40:12,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:12,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1588348907, now seen corresponding path program 1 times [2022-11-02 20:40:12,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:12,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375061203] [2022-11-02 20:40:12,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:12,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:40:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:40:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:40:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:40:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:40:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:40:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:40:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:40:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:40:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:40:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:40:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:40:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:40:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:40:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:40:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:40:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:40:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:40:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:40:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-02 20:40:14,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:14,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375061203] [2022-11-02 20:40:14,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375061203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:40:14,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:40:14,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:40:14,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027371963] [2022-11-02 20:40:14,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:40:14,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:40:14,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:40:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:40:14,032 INFO L87 Difference]: Start difference. First operand 395 states and 509 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 20:40:15,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:15,586 INFO L93 Difference]: Finished difference Result 716 states and 951 transitions. [2022-11-02 20:40:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:40:15,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 250 [2022-11-02 20:40:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:15,591 INFO L225 Difference]: With dead ends: 716 [2022-11-02 20:40:15,592 INFO L226 Difference]: Without dead ends: 412 [2022-11-02 20:40:15,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:40:15,594 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 133 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:15,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1277 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:40:15,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-11-02 20:40:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 396. [2022-11-02 20:40:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 266 states have (on average 1.1729323308270676) internal successors, (312), 269 states have internal predecessors, (312), 95 states have call successors, (95), 31 states have call predecessors, (95), 33 states have return successors, (103), 96 states have call predecessors, (103), 94 states have call successors, (103) [2022-11-02 20:40:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 510 transitions. [2022-11-02 20:40:15,651 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 510 transitions. Word has length 250 [2022-11-02 20:40:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:15,652 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 510 transitions. [2022-11-02 20:40:15,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 2 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-02 20:40:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 510 transitions. [2022-11-02 20:40:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-02 20:40:15,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:40:15,655 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:15,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-02 20:40:15,656 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:40:15,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:40:15,657 INFO L85 PathProgramCache]: Analyzing trace with hash 375255409, now seen corresponding path program 1 times [2022-11-02 20:40:15,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:40:15,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536447158] [2022-11-02 20:40:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:15,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:40:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:40:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:40:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:40:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:40:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:40:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:40:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:40:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:40:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:40:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:40:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 20:40:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 20:40:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:40:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:40:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:40:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:40:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-02 20:40:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:40:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-02 20:40:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:40:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-02 20:40:16,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:40:16,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536447158] [2022-11-02 20:40:16,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536447158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:40:16,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277225815] [2022-11-02 20:40:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:40:16,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:16,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:40:16,954 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:40:16,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 20:40:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:40:17,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 3179 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-02 20:40:17,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:40:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-02 20:40:17,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:40:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-11-02 20:40:18,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277225815] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:40:18,514 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:40:18,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 18 [2022-11-02 20:40:18,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806019234] [2022-11-02 20:40:18,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:40:18,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-02 20:40:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:40:18,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-02 20:40:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2022-11-02 20:40:18,517 INFO L87 Difference]: Start difference. First operand 396 states and 510 transitions. Second operand has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 14 states have internal predecessors, (114), 5 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-02 20:40:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:19,370 INFO L93 Difference]: Finished difference Result 415 states and 527 transitions. [2022-11-02 20:40:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:40:19,382 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 14 states have internal predecessors, (114), 5 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 5 states have call successors, (34) Word has length 250 [2022-11-02 20:40:19,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:19,383 INFO L225 Difference]: With dead ends: 415 [2022-11-02 20:40:19,383 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:40:19,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 563 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2022-11-02 20:40:19,388 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 104 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:19,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 372 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:40:19,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:40:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:40:19,391 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 20:40:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:40:19,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2022-11-02 20:40:19,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:19,392 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:40:19,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.333333333333333) internal successors, (114), 14 states have internal predecessors, (114), 5 states have call successors, (37), 4 states have call predecessors, (37), 4 states have return successors, (34), 7 states have call predecessors, (34), 5 states have call successors, (34) [2022-11-02 20:40:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:40:19,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:40:19,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-02 20:40:19,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-02 20:40:19,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:19,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:19,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:40:20,966 INFO L895 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 20:40:20,966 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2022-11-02 20:40:20,966 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2022-11-02 20:40:20,966 INFO L899 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2022-11-02 20:40:20,966 INFO L895 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-02 20:40:20,967 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2022-11-02 20:40:20,967 INFO L895 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (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_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0)) (= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_load_ptr_explicit_~memory_order)) [2022-11-02 20:40:20,967 INFO L899 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2022-11-02 20:40:20,968 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2022-11-02 20:40:20,968 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2022-11-02 20:40:20,968 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2022-11-02 20:40:20,968 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2022-11-02 20:40:20,968 INFO L902 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2022-11-02 20:40:20,968 INFO L899 garLoopResultBuilder]: For program point L8807-11(lines 8807 8808) no Hoare annotation was computed. [2022-11-02 20:40:20,969 INFO L899 garLoopResultBuilder]: For program point L8807-6(lines 8807 8808) no Hoare annotation was computed. [2022-11-02 20:40:20,969 INFO L899 garLoopResultBuilder]: For program point L8807-8(lines 8807 8808) no Hoare annotation was computed. [2022-11-02 20:40:20,969 INFO L899 garLoopResultBuilder]: For program point L8807-9(lines 8807 8808) no Hoare annotation was computed. [2022-11-02 20:40:20,969 INFO L902 garLoopResultBuilder]: At program point s_buf_belongs_to_poolENTRY(lines 8794 8809) the Hoare annotation is: true [2022-11-02 20:40:20,969 INFO L899 garLoopResultBuilder]: For program point L8800(lines 8800 8801) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point L8800-2(lines 8800 8805) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8809) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point s_buf_belongs_to_poolFINAL(lines 8794 8809) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point L8807-2(line 8807) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point L8807-3(line 8807) no Hoare annotation was computed. [2022-11-02 20:40:20,970 INFO L899 garLoopResultBuilder]: For program point L8807-5(line 8807) no Hoare annotation was computed. [2022-11-02 20:40:20,971 INFO L899 garLoopResultBuilder]: For program point L8807(line 8807) no Hoare annotation was computed. [2022-11-02 20:40:20,971 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2022-11-02 20:40:20,971 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2022-11-02 20:40:20,971 INFO L899 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2022-11-02 20:40:20,971 INFO L899 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2022-11-02 20:40:20,971 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2022-11-02 20:40:20,972 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2022-11-02 20:40:20,972 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2022-11-02 20:40:20,972 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2022-11-02 20:40:20,972 INFO L902 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2022-11-02 20:40:20,972 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2022-11-02 20:40:20,972 INFO L902 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2022-11-02 20:40:20,973 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2022-11-02 20:40:20,973 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|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (= aws_atomic_store_ptr_explicit_~memory_order |aws_atomic_store_ptr_explicit_#in~memory_order|) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0))) [2022-11-02 20:40:20,973 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2022-11-02 20:40:20,973 INFO L899 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2022-11-02 20:40:20,974 INFO L902 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2022-11-02 20:40:20,974 INFO L899 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2022-11-02 20:40:20,974 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2022-11-02 20:40:20,974 INFO L899 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2022-11-02 20:40:20,974 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2022-11-02 20:40:20,974 INFO L899 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2022-11-02 20:40:20,975 INFO L902 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2022-11-02 20:40:20,975 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-11-02 20:40:20,975 INFO L899 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2022-11-02 20:40:20,975 INFO L899 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2022-11-02 20:40:20,975 INFO L899 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2022-11-02 20:40:20,976 INFO L899 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2022-11-02 20:40:20,976 INFO L899 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2022-11-02 20:40:20,976 INFO L899 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2022-11-02 20:40:20,976 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2022-11-02 20:40:20,976 INFO L902 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2022-11-02 20:40:20,976 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2022-11-02 20:40:20,977 INFO L899 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2022-11-02 20:40:20,977 INFO L899 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2022-11-02 20:40:20,977 INFO L902 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2022-11-02 20:40:20,977 INFO L902 garLoopResultBuilder]: At program point ensure_byte_buf_has_allocated_buffer_member_in_rangeENTRY(lines 6631 6640) the Hoare annotation is: true [2022-11-02 20:40:20,977 INFO L899 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeEXIT(lines 6631 6640) no Hoare annotation was computed. [2022-11-02 20:40:20,977 INFO L902 garLoopResultBuilder]: At program point L6638(line 6638) the Hoare annotation is: true [2022-11-02 20:40:20,978 INFO L899 garLoopResultBuilder]: For program point L6639(line 6639) no Hoare annotation was computed. [2022-11-02 20:40:20,978 INFO L902 garLoopResultBuilder]: At program point L6634(line 6634) the Hoare annotation is: true [2022-11-02 20:40:20,978 INFO L899 garLoopResultBuilder]: For program point L6635-1(line 6635) no Hoare annotation was computed. [2022-11-02 20:40:20,978 INFO L902 garLoopResultBuilder]: At program point L6635(line 6635) the Hoare annotation is: true [2022-11-02 20:40:20,978 INFO L899 garLoopResultBuilder]: For program point L6639-3(line 6639) no Hoare annotation was computed. [2022-11-02 20:40:20,979 INFO L899 garLoopResultBuilder]: For program point L6638-1(line 6638) no Hoare annotation was computed. [2022-11-02 20:40:20,979 INFO L902 garLoopResultBuilder]: At program point L6639-2(line 6639) the Hoare annotation is: true [2022-11-02 20:40:20,979 INFO L899 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeFINAL(lines 6631 6640) no Hoare annotation was computed. [2022-11-02 20:40:20,979 INFO L899 garLoopResultBuilder]: For program point L6632-1(line 6632) no Hoare annotation was computed. [2022-11-02 20:40:20,979 INFO L902 garLoopResultBuilder]: At program point L6632(line 6632) the Hoare annotation is: true [2022-11-02 20:40:20,979 INFO L899 garLoopResultBuilder]: For program point L6634-1(line 6634) no Hoare annotation was computed. [2022-11-02 20:40:20,980 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:40:20,980 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-02 20:40:20,980 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-02 20:40:20,980 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:40:20,980 INFO L902 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2022-11-02 20:40:20,980 INFO L899 garLoopResultBuilder]: For program point L7377-3(line 7377) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377-1(line 7377) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377-7(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377-6(lines 7377 7378) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377-4(lines 7377 7378) no Hoare annotation was computed. [2022-11-02 20:40:20,981 INFO L899 garLoopResultBuilder]: For program point L7377-11(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point L7377-9(lines 7377 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validFINAL(lines 7375 7381) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point L7380-2(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point L7380(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,982 INFO L899 garLoopResultBuilder]: For program point L7380-6(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,983 INFO L899 garLoopResultBuilder]: For program point L7380-4(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,983 INFO L899 garLoopResultBuilder]: For program point L7380-3(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,983 INFO L899 garLoopResultBuilder]: For program point L7380-8(line 7380) no Hoare annotation was computed. [2022-11-02 20:40:20,983 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:40:20,983 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2022-11-02 20:40:20,984 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 20:40:20,984 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2022-11-02 20:40:20,984 INFO L899 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2022-11-02 20:40:20,984 INFO L902 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2022-11-02 20:40:20,984 INFO L899 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2022-11-02 20:40:20,984 INFO L899 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2022-11-02 20:40:20,985 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|)) (.cse3 (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (let ((.cse2 (select |#memory_$Pointer$.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|))) (and .cse0 .cse1 (= (select .cse2 (+ 8 |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) 0) .cse3 (= aws_ring_buffer_is_valid_~tail~1.base 0) (or (not (= aws_ring_buffer_is_valid_~ring_buf.offset 0)) (let ((.cse4 (div aws_ring_buffer_is_valid_~head_in_range~0 256))) (and (not (<= (+ .cse4 1) 0)) (or (<= aws_ring_buffer_is_valid_~head_in_range~0 (* 256 .cse4)) (= (select .cse2 32) |aws_ring_buffer_is_valid_#in~ring_buf.offset|))))))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0)) (and .cse0 .cse1 (<= 0 aws_ring_buffer_is_valid_~head_in_range~0) (<= aws_ring_buffer_is_valid_~head_in_range~0 0) .cse3))) [2022-11-02 20:40:20,985 INFO L895 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (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_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0))) [2022-11-02 20:40:20,985 INFO L899 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2022-11-02 20:40:20,986 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2022-11-02 20:40:20,987 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)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0))) [2022-11-02 20:40:20,987 INFO L899 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2022-11-02 20:40:20,987 INFO L899 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2022-11-02 20:40:20,987 INFO L895 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_47|) 8) 0))) (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_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_31|) 8) 0))) [2022-11-02 20:40:20,988 INFO L899 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2022-11-02 20:40:20,988 INFO L899 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2022-11-02 20:40:20,988 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2022-11-02 20:40:20,988 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2022-11-02 20:40:20,988 INFO L902 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2022-11-02 20:40:20,989 INFO L902 garLoopResultBuilder]: At program point L9229(line 9229) the Hoare annotation is: true [2022-11-02 20:40:20,989 INFO L899 garLoopResultBuilder]: For program point L9230-1(line 9230) no Hoare annotation was computed. [2022-11-02 20:40:20,989 INFO L899 garLoopResultBuilder]: For program point L9229-1(line 9229) no Hoare annotation was computed. [2022-11-02 20:40:20,989 INFO L899 garLoopResultBuilder]: For program point is_middle_valid_stateFINAL(lines 9227 9232) no Hoare annotation was computed. [2022-11-02 20:40:20,989 INFO L902 garLoopResultBuilder]: At program point L9230(line 9230) the Hoare annotation is: true [2022-11-02 20:40:20,989 INFO L899 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9227 9232) no Hoare annotation was computed. [2022-11-02 20:40:20,990 INFO L902 garLoopResultBuilder]: At program point is_middle_valid_stateENTRY(lines 9227 9232) the Hoare annotation is: true [2022-11-02 20:40:20,990 INFO L895 garLoopResultBuilder]: At program point L9284-8(line 9284) the Hoare annotation is: false [2022-11-02 20:40:20,990 INFO L899 garLoopResultBuilder]: For program point L9284-9(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,990 INFO L899 garLoopResultBuilder]: For program point L6658-1(line 6658) no Hoare annotation was computed. [2022-11-02 20:40:20,990 INFO L899 garLoopResultBuilder]: For program point L9284-10(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,990 INFO L899 garLoopResultBuilder]: For program point L9218-1(line 9218) no Hoare annotation was computed. [2022-11-02 20:40:20,991 INFO L895 garLoopResultBuilder]: At program point L9284-4(line 9284) the Hoare annotation is: false [2022-11-02 20:40:20,991 INFO L899 garLoopResultBuilder]: For program point L9284-5(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,991 INFO L899 garLoopResultBuilder]: For program point L9284-6(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,991 INFO L899 garLoopResultBuilder]: For program point L9284-15(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,991 INFO L895 garLoopResultBuilder]: At program point L9268(line 9268) the Hoare annotation is: false [2022-11-02 20:40:20,992 INFO L895 garLoopResultBuilder]: At program point L9284-16(line 9284) the Hoare annotation is: false [2022-11-02 20:40:20,992 INFO L899 garLoopResultBuilder]: For program point L9268-1(line 9268) no Hoare annotation was computed. [2022-11-02 20:40:20,992 INFO L899 garLoopResultBuilder]: For program point L9284-17(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,992 INFO L899 garLoopResultBuilder]: For program point L9284-11(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,992 INFO L895 garLoopResultBuilder]: At program point L9284-13(line 9284) the Hoare annotation is: false [2022-11-02 20:40:20,992 INFO L899 garLoopResultBuilder]: For program point L9284-14(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:20,993 INFO L895 garLoopResultBuilder]: At program point L9219(line 9219) the Hoare annotation is: false [2022-11-02 20:40:20,993 INFO L899 garLoopResultBuilder]: For program point L9219-1(line 9219) no Hoare annotation was computed. [2022-11-02 20:40:20,993 INFO L899 garLoopResultBuilder]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2022-11-02 20:40:20,993 INFO L895 garLoopResultBuilder]: At program point L6659(line 6659) the Hoare annotation is: false [2022-11-02 20:40:20,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:40:20,994 INFO L895 garLoopResultBuilder]: At program point L9269(line 9269) the Hoare annotation is: false [2022-11-02 20:40:20,994 INFO L895 garLoopResultBuilder]: At program point L9269-1(line 9269) the Hoare annotation is: false [2022-11-02 20:40:20,994 INFO L899 garLoopResultBuilder]: For program point L9269-2(line 9269) no Hoare annotation was computed. [2022-11-02 20:40:20,994 INFO L895 garLoopResultBuilder]: At program point L9253(line 9253) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2022-11-02 20:40:20,994 INFO L899 garLoopResultBuilder]: For program point L9253-1(line 9253) no Hoare annotation was computed. [2022-11-02 20:40:20,995 INFO L895 garLoopResultBuilder]: At program point L9220(lines 9216 9221) the Hoare annotation is: false [2022-11-02 20:40:20,995 INFO L899 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2022-11-02 20:40:20,995 INFO L895 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2022-11-02 20:40:20,995 INFO L895 garLoopResultBuilder]: At program point L9254-1(line 9254) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1|) (<= |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2022-11-02 20:40:20,995 INFO L899 garLoopResultBuilder]: For program point L9287-2(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,996 INFO L899 garLoopResultBuilder]: For program point L9254-2(line 9254) no Hoare annotation was computed. [2022-11-02 20:40:20,996 INFO L895 garLoopResultBuilder]: At program point L9287-4(line 9287) the Hoare annotation is: false [2022-11-02 20:40:20,996 INFO L899 garLoopResultBuilder]: For program point L9287-5(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,996 INFO L895 garLoopResultBuilder]: At program point L9287(line 9287) the Hoare annotation is: false [2022-11-02 20:40:20,996 INFO L895 garLoopResultBuilder]: At program point L9254(line 9254) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2022-11-02 20:40:20,996 INFO L899 garLoopResultBuilder]: For program point L9287-1(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,997 INFO L899 garLoopResultBuilder]: For program point L9287-10(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,997 INFO L899 garLoopResultBuilder]: For program point L9287-11(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,997 INFO L895 garLoopResultBuilder]: At program point L9287-13(line 9287) the Hoare annotation is: false [2022-11-02 20:40:20,997 INFO L899 garLoopResultBuilder]: For program point L9287-6(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,997 INFO L895 garLoopResultBuilder]: At program point L9287-8(line 9287) the Hoare annotation is: false [2022-11-02 20:40:20,998 INFO L899 garLoopResultBuilder]: For program point L9287-9(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,998 INFO L899 garLoopResultBuilder]: For program point L9287-14(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,998 INFO L899 garLoopResultBuilder]: For program point L9287-15(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,998 INFO L895 garLoopResultBuilder]: At program point L9271(line 9271) the Hoare annotation is: false [2022-11-02 20:40:20,998 INFO L895 garLoopResultBuilder]: At program point L9287-16(line 9287) the Hoare annotation is: false [2022-11-02 20:40:20,998 INFO L899 garLoopResultBuilder]: For program point L9271-1(line 9271) no Hoare annotation was computed. [2022-11-02 20:40:20,999 INFO L899 garLoopResultBuilder]: For program point L9287-17(line 9287) no Hoare annotation was computed. [2022-11-02 20:40:20,999 INFO L895 garLoopResultBuilder]: At program point L6662(line 6662) the Hoare annotation is: false [2022-11-02 20:40:20,999 INFO L899 garLoopResultBuilder]: For program point L6662-1(lines 6645 6664) no Hoare annotation was computed. [2022-11-02 20:40:20,999 INFO L895 garLoopResultBuilder]: At program point L9272(line 9272) the Hoare annotation is: false [2022-11-02 20:40:20,999 INFO L899 garLoopResultBuilder]: For program point L9272-1(line 9272) no Hoare annotation was computed. [2022-11-02 20:40:20,999 INFO L895 garLoopResultBuilder]: At program point L9256(line 9256) the Hoare annotation is: false [2022-11-02 20:40:21,000 INFO L895 garLoopResultBuilder]: At program point L9256-1(line 9256) the Hoare annotation is: false [2022-11-02 20:40:21,000 INFO L899 garLoopResultBuilder]: For program point L9256-2(line 9256) no Hoare annotation was computed. [2022-11-02 20:40:21,000 INFO L895 garLoopResultBuilder]: At program point L9273(line 9273) the Hoare annotation is: false [2022-11-02 20:40:21,000 INFO L899 garLoopResultBuilder]: For program point L9273-1(line 9273) no Hoare annotation was computed. [2022-11-02 20:40:21,000 INFO L899 garLoopResultBuilder]: For program point L8811(lines 8811 8818) no Hoare annotation was computed. [2022-11-02 20:40:21,001 INFO L895 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2022-11-02 20:40:21,001 INFO L899 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2022-11-02 20:40:21,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:40:21,001 INFO L895 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2022-11-02 20:40:21,001 INFO L899 garLoopResultBuilder]: For program point L6648-1(lines 6648 6650) no Hoare annotation was computed. [2022-11-02 20:40:21,001 INFO L895 garLoopResultBuilder]: At program point L6648(line 6648) the Hoare annotation is: false [2022-11-02 20:40:21,002 INFO L899 garLoopResultBuilder]: For program point L9274-1(line 9274) no Hoare annotation was computed. [2022-11-02 20:40:21,002 INFO L899 garLoopResultBuilder]: For program point L6648-3(lines 6648 6650) no Hoare annotation was computed. [2022-11-02 20:40:21,002 INFO L895 garLoopResultBuilder]: At program point L8812(line 8812) the Hoare annotation is: false [2022-11-02 20:40:21,002 INFO L895 garLoopResultBuilder]: At program point L8812-1(line 8812) the Hoare annotation is: false [2022-11-02 20:40:21,002 INFO L902 garLoopResultBuilder]: At program point L9291(line 9291) the Hoare annotation is: true [2022-11-02 20:40:21,003 INFO L899 garLoopResultBuilder]: For program point L8812-2(line 8812) no Hoare annotation was computed. [2022-11-02 20:40:21,003 INFO L895 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2022-11-02 20:40:21,003 INFO L899 garLoopResultBuilder]: For program point L6054-1(line 6054) no Hoare annotation was computed. [2022-11-02 20:40:21,003 INFO L895 garLoopResultBuilder]: At program point L9275(lines 9275 9277) the Hoare annotation is: false [2022-11-02 20:40:21,003 INFO L899 garLoopResultBuilder]: For program point L9275-1(lines 9275 9277) no Hoare annotation was computed. [2022-11-02 20:40:21,003 INFO L899 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2022-11-02 20:40:21,004 INFO L895 garLoopResultBuilder]: At program point L8813(line 8813) the Hoare annotation is: false [2022-11-02 20:40:21,004 INFO L895 garLoopResultBuilder]: At program point L8813-1(line 8813) the Hoare annotation is: false [2022-11-02 20:40:21,004 INFO L899 garLoopResultBuilder]: For program point L8813-2(line 8813) no Hoare annotation was computed. [2022-11-02 20:40:21,004 INFO L895 garLoopResultBuilder]: At program point L6055(lines 6050 6056) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2022-11-02 20:40:21,004 INFO L895 garLoopResultBuilder]: At program point L6650(line 6650) the Hoare annotation is: false [2022-11-02 20:40:21,005 INFO L899 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2022-11-02 20:40:21,005 INFO L895 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2022-11-02 20:40:21,005 INFO L899 garLoopResultBuilder]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2022-11-02 20:40:21,005 INFO L895 garLoopResultBuilder]: At program point L8814-1(line 8814) the Hoare annotation is: false [2022-11-02 20:40:21,005 INFO L899 garLoopResultBuilder]: For program point L8814-2(line 8814) no Hoare annotation was computed. [2022-11-02 20:40:21,006 INFO L895 garLoopResultBuilder]: At program point L8814(line 8814) the Hoare annotation is: false [2022-11-02 20:40:21,006 INFO L895 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2022-11-02 20:40:21,006 INFO L899 garLoopResultBuilder]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2022-11-02 20:40:21,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:40:21,006 INFO L895 garLoopResultBuilder]: At program point L6651(line 6651) the Hoare annotation is: false [2022-11-02 20:40:21,007 INFO L899 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2022-11-02 20:40:21,007 INFO L899 garLoopResultBuilder]: For program point L8815-2(line 8815) no Hoare annotation was computed. [2022-11-02 20:40:21,007 INFO L895 garLoopResultBuilder]: At program point L8815-3(line 8815) the Hoare annotation is: false [2022-11-02 20:40:21,007 INFO L899 garLoopResultBuilder]: For program point L8815-4(line 8815) no Hoare annotation was computed. [2022-11-02 20:40:21,007 INFO L895 garLoopResultBuilder]: At program point L8815(line 8815) the Hoare annotation is: false [2022-11-02 20:40:21,008 INFO L895 garLoopResultBuilder]: At program point L8815-1(line 8815) the Hoare annotation is: false [2022-11-02 20:40:21,008 INFO L899 garLoopResultBuilder]: For program point L9278-1(lines 9278 9280) no Hoare annotation was computed. [2022-11-02 20:40:21,008 INFO L899 garLoopResultBuilder]: For program point L9245(lines 9245 9290) no Hoare annotation was computed. [2022-11-02 20:40:21,008 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-02 20:40:21,008 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,009 INFO L899 garLoopResultBuilder]: For program point L6652-1(line 6652) no Hoare annotation was computed. [2022-11-02 20:40:21,009 INFO L895 garLoopResultBuilder]: At program point L6652(line 6652) the Hoare annotation is: false [2022-11-02 20:40:21,009 INFO L895 garLoopResultBuilder]: At program point L9278(lines 9278 9280) the Hoare annotation is: false [2022-11-02 20:40:21,009 INFO L895 garLoopResultBuilder]: At program point L8816-3(line 8816) the Hoare annotation is: false [2022-11-02 20:40:21,009 INFO L895 garLoopResultBuilder]: At program point L8816-4(line 8816) the Hoare annotation is: false [2022-11-02 20:40:21,009 INFO L899 garLoopResultBuilder]: For program point L8816-1(line 8816) no Hoare annotation was computed. [2022-11-02 20:40:21,010 INFO L899 garLoopResultBuilder]: For program point L8816-2(line 8816) no Hoare annotation was computed. [2022-11-02 20:40:21,010 INFO L899 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2022-11-02 20:40:21,010 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,010 INFO L899 garLoopResultBuilder]: For program point L6653(lines 6653 6663) no Hoare annotation was computed. [2022-11-02 20:40:21,010 INFO L895 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2022-11-02 20:40:21,011 INFO L899 garLoopResultBuilder]: For program point L8817-1(line 8817) no Hoare annotation was computed. [2022-11-02 20:40:21,011 INFO L895 garLoopResultBuilder]: At program point L6654(line 6654) the Hoare annotation is: false [2022-11-02 20:40:21,011 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,011 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,012 INFO L899 garLoopResultBuilder]: For program point L6654-1(lines 6654 6660) no Hoare annotation was computed. [2022-11-02 20:40:21,012 INFO L899 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2022-11-02 20:40:21,012 INFO L899 garLoopResultBuilder]: For program point L6655-1(line 6655) no Hoare annotation was computed. [2022-11-02 20:40:21,012 INFO L895 garLoopResultBuilder]: At program point L6655(line 6655) the Hoare annotation is: false [2022-11-02 20:40:21,012 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:40:21,012 INFO L895 garLoopResultBuilder]: At program point L9281(line 9281) the Hoare annotation is: false [2022-11-02 20:40:21,013 INFO L899 garLoopResultBuilder]: For program point L9281-1(line 9281) no Hoare annotation was computed. [2022-11-02 20:40:21,013 INFO L895 garLoopResultBuilder]: At program point L9265(line 9265) the Hoare annotation is: false [2022-11-02 20:40:21,013 INFO L899 garLoopResultBuilder]: For program point L9265-1(line 9265) no Hoare annotation was computed. [2022-11-02 20:40:21,013 INFO L895 garLoopResultBuilder]: At program point L9282(line 9282) the Hoare annotation is: false [2022-11-02 20:40:21,013 INFO L899 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2022-11-02 20:40:21,014 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,014 INFO L899 garLoopResultBuilder]: For program point L6656-1(line 6656) no Hoare annotation was computed. [2022-11-02 20:40:21,014 INFO L895 garLoopResultBuilder]: At program point L6656(line 6656) the Hoare annotation is: false [2022-11-02 20:40:21,014 INFO L899 garLoopResultBuilder]: For program point L9282-1(line 9282) no Hoare annotation was computed. [2022-11-02 20:40:21,014 INFO L895 garLoopResultBuilder]: At program point L9266(line 9266) the Hoare annotation is: false [2022-11-02 20:40:21,014 INFO L899 garLoopResultBuilder]: For program point L9266-1(line 9266) no Hoare annotation was computed. [2022-11-02 20:40:21,015 INFO L899 garLoopResultBuilder]: For program point L9283(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,015 INFO L895 garLoopResultBuilder]: At program point L9283-6(line 9283) the Hoare annotation is: false [2022-11-02 20:40:21,015 INFO L899 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2022-11-02 20:40:21,015 INFO L899 garLoopResultBuilder]: For program point L9283-7(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,015 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)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2022-11-02 20:40:21,016 INFO L899 garLoopResultBuilder]: For program point L9283-8(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,016 INFO L895 garLoopResultBuilder]: At program point L9283-9(line 9283) the Hoare annotation is: false [2022-11-02 20:40:21,016 INFO L895 garLoopResultBuilder]: At program point L9283-2(line 9283) the Hoare annotation is: false [2022-11-02 20:40:21,016 INFO L899 garLoopResultBuilder]: For program point L9283-3(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,016 INFO L899 garLoopResultBuilder]: For program point L9283-4(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,016 INFO L895 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2022-11-02 20:40:21,017 INFO L899 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2022-11-02 20:40:21,017 INFO L899 garLoopResultBuilder]: For program point L9283-10(line 9283) no Hoare annotation was computed. [2022-11-02 20:40:21,017 INFO L895 garLoopResultBuilder]: At program point L9284(line 9284) the Hoare annotation is: false [2022-11-02 20:40:21,017 INFO L899 garLoopResultBuilder]: For program point L9284-1(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:21,017 INFO L895 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2022-11-02 20:40:21,017 INFO L899 garLoopResultBuilder]: For program point L9284-2(line 9284) no Hoare annotation was computed. [2022-11-02 20:40:21,018 INFO L895 garLoopResultBuilder]: At program point L6658(line 6658) the Hoare annotation is: false [2022-11-02 20:40:21,018 INFO L899 garLoopResultBuilder]: For program point is_empty_stateEXIT(lines 9205 9210) no Hoare annotation was computed. [2022-11-02 20:40:21,018 INFO L902 garLoopResultBuilder]: At program point L9208(line 9208) the Hoare annotation is: true [2022-11-02 20:40:21,018 INFO L902 garLoopResultBuilder]: At program point L9207(line 9207) the Hoare annotation is: true [2022-11-02 20:40:21,018 INFO L899 garLoopResultBuilder]: For program point L9208-1(line 9208) no Hoare annotation was computed. [2022-11-02 20:40:21,019 INFO L902 garLoopResultBuilder]: At program point is_empty_stateENTRY(lines 9205 9210) the Hoare annotation is: true [2022-11-02 20:40:21,019 INFO L899 garLoopResultBuilder]: For program point L9207-1(line 9207) no Hoare annotation was computed. [2022-11-02 20:40:21,019 INFO L899 garLoopResultBuilder]: For program point is_empty_stateFINAL(lines 9205 9210) no Hoare annotation was computed. [2022-11-02 20:40:21,019 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-11-02 20:40:21,019 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2022-11-02 20:40:21,019 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2022-11-02 20:40:21,020 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:40:21,020 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2022-11-02 20:40:21,020 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2022-11-02 20:40:21,020 INFO L899 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9238 9243) no Hoare annotation was computed. [2022-11-02 20:40:21,020 INFO L902 garLoopResultBuilder]: At program point is_ends_valid_stateENTRY(lines 9238 9243) the Hoare annotation is: true [2022-11-02 20:40:21,020 INFO L899 garLoopResultBuilder]: For program point is_ends_valid_stateFINAL(lines 9238 9243) no Hoare annotation was computed. [2022-11-02 20:40:21,021 INFO L902 garLoopResultBuilder]: At program point L9241(line 9241) the Hoare annotation is: true [2022-11-02 20:40:21,021 INFO L902 garLoopResultBuilder]: At program point L9240(line 9240) the Hoare annotation is: true [2022-11-02 20:40:21,021 INFO L899 garLoopResultBuilder]: For program point L9241-1(line 9241) no Hoare annotation was computed. [2022-11-02 20:40:21,021 INFO L899 garLoopResultBuilder]: For program point L9240-1(line 9240) no Hoare annotation was computed. [2022-11-02 20:40:21,025 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:21,028 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:40:21,044 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,045 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-02 20:40:21,046 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,048 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,057 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-02 20:40:21,060 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:40:21 BoogieIcfgContainer [2022-11-02 20:40:21,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:40:21,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:40:21,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:40:21,066 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:40:21,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:38:18" (3/4) ... [2022-11-02 20:40:21,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2022-11-02 20:40:21,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2022-11-02 20:40:21,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2022-11-02 20:40:21,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-02 20:40:21,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2022-11-02 20:40:21,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_empty_state [2022-11-02 20:40:21,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-02 20:40:21,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2022-11-02 20:40:21,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2022-11-02 20:40:21,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2022-11-02 20:40:21,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2022-11-02 20:40:21,126 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2022-11-02 20:40:21,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-02 20:40:21,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-02 20:40:21,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-02 20:40:21,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 20:40:21,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:40:21,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:40:21,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:40:21,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:40:21,761 INFO L158 Benchmark]: Toolchain (without parser) took 132293.68ms. Allocated memory was 140.5MB in the beginning and 935.3MB in the end (delta: 794.8MB). Free memory was 96.0MB in the beginning and 303.0MB in the end (delta: -207.0MB). Peak memory consumption was 587.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,761 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:40:21,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4842.88ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 95.7MB in the beginning and 74.8MB in the end (delta: 20.9MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 389.13ms. Allocated memory is still 176.2MB. Free memory was 74.8MB in the beginning and 113.6MB in the end (delta: -38.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,763 INFO L158 Benchmark]: Boogie Preprocessor took 147.78ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 104.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,764 INFO L158 Benchmark]: RCFGBuilder took 3342.98ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 104.2MB in the beginning and 175.5MB in the end (delta: -71.4MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,764 INFO L158 Benchmark]: TraceAbstraction took 122855.74ms. Allocated memory was 247.5MB in the beginning and 935.3MB in the end (delta: 687.9MB). Free memory was 174.5MB in the beginning and 439.3MB in the end (delta: -264.8MB). Peak memory consumption was 423.0MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,764 INFO L158 Benchmark]: Witness Printer took 695.18ms. Allocated memory is still 935.3MB. Free memory was 439.3MB in the beginning and 303.0MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2022-11-02 20:40:21,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 96.5MB. Free memory was 68.4MB in the beginning and 68.4MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4842.88ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 95.7MB in the beginning and 74.8MB in the end (delta: 20.9MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 389.13ms. Allocated memory is still 176.2MB. Free memory was 74.8MB in the beginning and 113.6MB in the end (delta: -38.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.78ms. Allocated memory is still 176.2MB. Free memory was 113.6MB in the beginning and 104.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3342.98ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 104.2MB in the beginning and 175.5MB in the end (delta: -71.4MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * TraceAbstraction took 122855.74ms. Allocated memory was 247.5MB in the beginning and 935.3MB in the end (delta: 687.9MB). Free memory was 174.5MB in the beginning and 439.3MB in the end (delta: -264.8MB). Peak memory consumption was 423.0MB. Max. memory is 16.1GB. * Witness Printer took 695.18ms. Allocated memory is still 935.3MB. Free memory was 439.3MB in the beginning and 303.0MB in the end (delta: 136.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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, 300 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 122.7s, OverallIterations: 19, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 30.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1800 SdHoareTripleChecker+Valid, 21.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1561 mSDsluCounter, 37930 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2780 IncrementalHoareTripleChecker+Unchecked, 31018 mSDsCounter, 861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17557 IncrementalHoareTripleChecker+Invalid, 21198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 861 mSolverCounterUnsat, 6912 mSDtfsCounter, 17557 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5483 GetRequests, 4970 SyntacticMatches, 79 SemanticMatches, 434 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4480 ImplicationChecksByTransitivity, 24.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=18, InterpolantAutomatonStates: 275, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 132 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 111 LocationsWithAnnotation, 2737 PreInvPairs, 2754 NumberOfFragments, 724 HoareAnnotationTreeSize, 2737 FomulaSimplifications, 13 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 111 FomulaSimplificationsInter, 1408 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.6s SsaConstructionTime, 12.3s SatisfiabilityAnalysisTime, 67.5s InterpolantComputationTime, 7134 NumberOfCodeBlocks, 7134 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 7350 ConstructedInterpolants, 612 QuantifiedInterpolants, 19427 SizeOfPredicates, 104 NumberOfNonLiveVariables, 43587 ConjunctsInSsa, 286 ConjunctsInUnsatCore, 34 InterpolantComputations, 15 PerfectInterpolantSequences, 11041/11488 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6050]: Loop Invariant [2022-11-02 20:40:21,797 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-02 20:40:21,798 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-02 20:40:21,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-02 20:40:21,799 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((!(#memory_$Pointer$[ring_buf][8] == 0) && ring_buf == 0) && !(ring_buf == 0)) && #memory_$Pointer$[ring_buf][8] == 0) && !(#memory_$Pointer$[ring_buf][32] == 0) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:40:21,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5837820-3339-4d64-bf09-4fd0ee05821b/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