./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:37:29,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:37:29,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:37:29,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:37:29,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:37:29,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:37:29,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:37:29,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:37:29,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:37:29,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:37:29,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:37:29,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:37:29,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:37:29,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:37:29,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:37:29,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:37:29,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:37:29,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:37:29,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:37:29,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:37:29,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:37:29,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:37:29,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:37:29,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:37:29,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:37:29,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:37:29,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:37:29,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:37:29,959 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:37:29,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:37:29,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:37:29,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:37:29,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:37:29,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:37:29,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:37:29,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:37:29,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:37:29,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:37:29,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:37:29,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:37:29,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:37:29,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:37:29,987 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:37:29,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:37:29,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:37:29,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:37:29,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:37:29,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:37:29,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:37:29,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:37:29,990 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:37:29,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:37:29,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:37:29,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:37:29,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:37:29,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:37:29,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:37:29,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:37:29,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:37:29,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:37:29,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:37:29,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:37:29,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:37:29,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:29,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:37:29,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:37:29,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:37:29,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:37:29,994 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2021-12-21 15:37:30,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:37:30,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:37:30,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:37:30,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:37:30,249 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:37:30,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-21 15:37:30,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd156902/de74d90c744a45b9aea8876a05c4ef95/FLAG71d3eed2b [2021-12-21 15:37:31,040 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:37:31,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-21 15:37:31,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd156902/de74d90c744a45b9aea8876a05c4ef95/FLAG71d3eed2b [2021-12-21 15:37:31,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd156902/de74d90c744a45b9aea8876a05c4ef95 [2021-12-21 15:37:31,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:37:31,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:37:31,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:31,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:37:31,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:37:31,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d64d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:31, skipping insertion in model container [2021-12-21 15:37:31,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:37:31" (1/1) ... [2021-12-21 15:37:31,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:37:31,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:37:31,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-21 15:37:31,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-21 15:37:32,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,516 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,517 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,518 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,526 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,527 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,528 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:32,798 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:32,799 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:32,800 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:32,801 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:32,805 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:32,808 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:32,809 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:32,810 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:32,812 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:32,813 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:32,923 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:33,014 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,015 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:33,136 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:37:33,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4498,4511] [2021-12-21 15:37:33,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i[4558,4571] [2021-12-21 15:37:33,205 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,208 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,209 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,210 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,215 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,217 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,217 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,218 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,251 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-21 15:37:33,252 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-21 15:37:33,252 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-21 15:37:33,253 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-21 15:37:33,254 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-21 15:37:33,254 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-21 15:37:33,262 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-21 15:37:33,262 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-21 15:37:33,264 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-21 15:37:33,264 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-21 15:37:33,293 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-21 15:37:33,366 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-21 15:37:33,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:37:33,610 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:37:33,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33 WrapperNode [2021-12-21 15:37:33,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:37:33,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:33,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:37:33,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:37:33,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,830 INFO L137 Inliner]: procedures = 691, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 813 [2021-12-21 15:37:33,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:37:33,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:37:33,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:37:33,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:37:33,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:37:33,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:37:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:37:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:37:33,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (1/1) ... [2021-12-21 15:37:33,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:37:33,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:33,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:37:33,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:37:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-21 15:37:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-21 15:37:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:37:33,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-21 15:37:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-21 15:37:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-21 15:37:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-21 15:37:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:37:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:37:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:37:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-21 15:37:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:37:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:37:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-21 15:37:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-21 15:37:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-21 15:37:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-21 15:37:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-21 15:37:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-21 15:37:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 15:37:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 15:37:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 15:37:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 15:37:33,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:37:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:37:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:37:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-21 15:37:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-21 15:37:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-21 15:37:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-21 15:37:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-21 15:37:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-21 15:37:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-21 15:37:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-21 15:37:34,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:37:34,245 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:37:34,246 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:37:35,248 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:37:35,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:37:35,259 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 15:37:35,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:35 BoogieIcfgContainer [2021-12-21 15:37:35,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:37:35,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:37:35,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:37:35,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:37:35,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:37:31" (1/3) ... [2021-12-21 15:37:35,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa53f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:35, skipping insertion in model container [2021-12-21 15:37:35,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:37:33" (2/3) ... [2021-12-21 15:37:35,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa53f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:37:35, skipping insertion in model container [2021-12-21 15:37:35,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:37:35" (3/3) ... [2021-12-21 15:37:35,269 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2021-12-21 15:37:35,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:37:35,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 15:37:35,325 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:37:35,340 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:37:35,343 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 15:37:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2021-12-21 15:37:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:35,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:35,367 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:35,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:35,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:35,372 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2021-12-21 15:37:35,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:35,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972322146] [2021-12-21 15:37:35,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:35,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:35,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:35,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972322146] [2021-12-21 15:37:35,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972322146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:35,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:35,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 15:37:35,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901374411] [2021-12-21 15:37:35,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:35,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:37:35,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:37:36,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:37:36,018 INFO L87 Difference]: Start difference. First operand has 136 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 89 states have internal predecessors, (107), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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) [2021-12-21 15:37:36,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:36,260 INFO L93 Difference]: Finished difference Result 263 states and 357 transitions. [2021-12-21 15:37:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:37:36,262 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 [2021-12-21 15:37:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:36,277 INFO L225 Difference]: With dead ends: 263 [2021-12-21 15:37:36,277 INFO L226 Difference]: Without dead ends: 132 [2021-12-21 15:37:36,285 INFO L932 BasicCegarLoop]: 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 [2021-12-21 15:37:36,291 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 72 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:36,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 177 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-21 15:37:36,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-12-21 15:37:36,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2021-12-21 15:37:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.1829268292682926) internal successors, (97), 84 states have internal predecessors, (97), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2021-12-21 15:37:36,343 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 52 [2021-12-21 15:37:36,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:36,344 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2021-12-21 15:37:36,344 INFO L471 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) [2021-12-21 15:37:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2021-12-21 15:37:36,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 15:37:36,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:36,346 INFO L514 BasicCegarLoop]: 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] [2021-12-21 15:37:36,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:37:36,346 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:36,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:36,347 INFO L85 PathProgramCache]: Analyzing trace with hash -333154486, now seen corresponding path program 1 times [2021-12-21 15:37:36,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:36,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330485469] [2021-12-21 15:37:36,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:36,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 15:37:36,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:36,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330485469] [2021-12-21 15:37:36,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330485469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:36,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:36,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 15:37:36,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054131385] [2021-12-21 15:37:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:36,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:36,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:37:36,640 INFO L87 Difference]: Start difference. First operand 130 states and 160 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) [2021-12-21 15:37:37,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:37,175 INFO L93 Difference]: Finished difference Result 244 states and 315 transitions. [2021-12-21 15:37:37,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:37:37,176 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 [2021-12-21 15:37:37,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:37,177 INFO L225 Difference]: With dead ends: 244 [2021-12-21 15:37:37,178 INFO L226 Difference]: Without dead ends: 139 [2021-12-21 15:37:37,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:37,179 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:37,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 536 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 15:37:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-21 15:37:37,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-12-21 15:37:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 90 states have internal predecessors, (106), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 169 transitions. [2021-12-21 15:37:37,192 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 169 transitions. Word has length 52 [2021-12-21 15:37:37,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:37,193 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 169 transitions. [2021-12-21 15:37:37,193 INFO L471 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) [2021-12-21 15:37:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2021-12-21 15:37:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-21 15:37:37,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:37,196 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:37,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:37:37,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:37,197 INFO L85 PathProgramCache]: Analyzing trace with hash 818368520, now seen corresponding path program 1 times [2021-12-21 15:37:37,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:37,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869997478] [2021-12-21 15:37:37,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:37,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-21 15:37:37,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:37,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869997478] [2021-12-21 15:37:37,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869997478] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:37,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113416372] [2021-12-21 15:37:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:37,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:37,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:37,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:37,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 15:37:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:38,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-21 15:37:38,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:38,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113416372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:38,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:38,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-21 15:37:38,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759363713] [2021-12-21 15:37:38,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:38,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:38,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:38,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-21 15:37:38,287 INFO L87 Difference]: Start difference. First operand 137 states and 169 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 15:37:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:38,372 INFO L93 Difference]: Finished difference Result 137 states and 169 transitions. [2021-12-21 15:37:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:38,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 85 [2021-12-21 15:37:38,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:38,377 INFO L225 Difference]: With dead ends: 137 [2021-12-21 15:37:38,381 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:38,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-21 15:37:38,383 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 24 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:38,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 903 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:38,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.197674418604651) internal successors, (103), 87 states have internal predecessors, (103), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 166 transitions. [2021-12-21 15:37:38,402 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 166 transitions. Word has length 85 [2021-12-21 15:37:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:38,404 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 166 transitions. [2021-12-21 15:37:38,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-21 15:37:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2021-12-21 15:37:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-21 15:37:38,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:38,411 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:38,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:38,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:38,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:38,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:38,637 INFO L85 PathProgramCache]: Analyzing trace with hash -611785972, now seen corresponding path program 1 times [2021-12-21 15:37:38,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:38,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666301240] [2021-12-21 15:37:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:38,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 15:37:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 15:37:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-21 15:37:39,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:39,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666301240] [2021-12-21 15:37:39,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666301240] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:39,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713518019] [2021-12-21 15:37:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:39,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:39,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:39,222 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:39,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 15:37:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:39,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 3038 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 15:37:39,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-21 15:37:39,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:39,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713518019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:39,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:39,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-21 15:37:39,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163178246] [2021-12-21 15:37:39,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:39,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 15:37:39,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:39,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 15:37:39,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:39,996 INFO L87 Difference]: Start difference. First operand 134 states and 166 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-21 15:37:40,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:40,017 INFO L93 Difference]: Finished difference Result 225 states and 282 transitions. [2021-12-21 15:37:40,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:37:40,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 207 [2021-12-21 15:37:40,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:40,020 INFO L225 Difference]: With dead ends: 225 [2021-12-21 15:37:40,020 INFO L226 Difference]: Without dead ends: 138 [2021-12-21 15:37:40,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 15:37:40,021 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 3 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:40,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 452 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:40,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-12-21 15:37:40,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-12-21 15:37:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 89 states have internal predecessors, (105), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:40,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2021-12-21 15:37:40,032 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 207 [2021-12-21 15:37:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:40,032 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2021-12-21 15:37:40,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-21 15:37:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2021-12-21 15:37:40,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-21 15:37:40,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:40,035 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:40,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:40,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-21 15:37:40,252 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:40,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash -540741488, now seen corresponding path program 1 times [2021-12-21 15:37:40,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:40,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611914102] [2021-12-21 15:37:40,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:40,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 15:37:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 15:37:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 15:37:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-12-21 15:37:40,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:40,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611914102] [2021-12-21 15:37:40,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611914102] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:40,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409440235] [2021-12-21 15:37:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:40,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:40,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:40,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:40,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 15:37:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:41,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 15:37:41,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-21 15:37:41,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:41,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409440235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:41,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:41,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-12-21 15:37:41,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904951803] [2021-12-21 15:37:41,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:41,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:41,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:41,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:41,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-12-21 15:37:41,715 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-21 15:37:41,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:41,895 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2021-12-21 15:37:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:41,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 207 [2021-12-21 15:37:41,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:41,898 INFO L225 Difference]: With dead ends: 228 [2021-12-21 15:37:41,898 INFO L226 Difference]: Without dead ends: 139 [2021-12-21 15:37:41,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:41,899 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 167 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:41,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 551 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-21 15:37:41,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-21 15:37:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 92 states have internal predecessors, (107), 32 states have call successors, (32), 15 states have call predecessors, (32), 16 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2021-12-21 15:37:41,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2021-12-21 15:37:41,924 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 207 [2021-12-21 15:37:41,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:41,927 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2021-12-21 15:37:41,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-12-21 15:37:41,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2021-12-21 15:37:41,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-21 15:37:41,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:41,935 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:41,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:42,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:42,151 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:42,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:42,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1768774985, now seen corresponding path program 1 times [2021-12-21 15:37:42,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:42,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487519747] [2021-12-21 15:37:42,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:42,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 15:37:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-21 15:37:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-21 15:37:42,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:42,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487519747] [2021-12-21 15:37:42,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487519747] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:42,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312080751] [2021-12-21 15:37:42,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:42,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:42,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:42,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:42,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 15:37:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:43,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 15:37:43,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-12-21 15:37:43,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:43,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312080751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:43,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:43,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2021-12-21 15:37:43,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180389645] [2021-12-21 15:37:43,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:43,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:37:43,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:43,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:37:43,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-12-21 15:37:43,716 INFO L87 Difference]: Start difference. First operand 139 states and 171 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-21 15:37:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:43,919 INFO L93 Difference]: Finished difference Result 199 states and 244 transitions. [2021-12-21 15:37:43,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:37:43,920 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 209 [2021-12-21 15:37:43,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:43,922 INFO L225 Difference]: With dead ends: 199 [2021-12-21 15:37:43,922 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:43,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2021-12-21 15:37:43,923 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 178 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:43,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 541 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:43,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:43,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.186046511627907) internal successors, (102), 87 states have internal predecessors, (102), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2021-12-21 15:37:43,932 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 209 [2021-12-21 15:37:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:43,932 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2021-12-21 15:37:43,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-21 15:37:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2021-12-21 15:37:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-21 15:37:43,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:43,935 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:43,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:44,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:44,155 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1017099586, now seen corresponding path program 1 times [2021-12-21 15:37:44,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474944123] [2021-12-21 15:37:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:44,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 15:37:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 15:37:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 15:37:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-21 15:37:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-21 15:37:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-21 15:37:44,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:44,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474944123] [2021-12-21 15:37:44,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474944123] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:44,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077648735] [2021-12-21 15:37:44,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:44,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:44,643 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:44,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 15:37:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:45,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-21 15:37:45,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:45,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077648735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:45,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:45,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-21 15:37:45,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689451637] [2021-12-21 15:37:45,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:45,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:45,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:45,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:45,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:37:45,451 INFO L87 Difference]: Start difference. First operand 134 states and 165 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:45,503 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2021-12-21 15:37:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 15:37:45,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 211 [2021-12-21 15:37:45,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:45,505 INFO L225 Difference]: With dead ends: 250 [2021-12-21 15:37:45,505 INFO L226 Difference]: Without dead ends: 136 [2021-12-21 15:37:45,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:45,506 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 6 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:45,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 726 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:45,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-21 15:37:45,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-21 15:37:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 164 transitions. [2021-12-21 15:37:45,513 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 164 transitions. Word has length 211 [2021-12-21 15:37:45,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:45,513 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 164 transitions. [2021-12-21 15:37:45,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2021-12-21 15:37:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-21 15:37:45,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:45,516 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:45,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:45,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:45,735 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:45,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:45,736 INFO L85 PathProgramCache]: Analyzing trace with hash 330483892, now seen corresponding path program 1 times [2021-12-21 15:37:45,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:45,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006173228] [2021-12-21 15:37:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:45,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:37:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 15:37:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 15:37:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-21 15:37:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 15:37:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-21 15:37:46,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:46,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006173228] [2021-12-21 15:37:46,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006173228] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:46,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324301340] [2021-12-21 15:37:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:46,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:46,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:46,211 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:46,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 15:37:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:46,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:46,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-21 15:37:47,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:47,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324301340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:47,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:47,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:47,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701682263] [2021-12-21 15:37:47,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:47,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:47,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:47,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:47,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:47,034 INFO L87 Difference]: Start difference. First operand 134 states and 164 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:47,098 INFO L93 Difference]: Finished difference Result 250 states and 307 transitions. [2021-12-21 15:37:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:47,099 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 213 [2021-12-21 15:37:47,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:47,100 INFO L225 Difference]: With dead ends: 250 [2021-12-21 15:37:47,100 INFO L226 Difference]: Without dead ends: 136 [2021-12-21 15:37:47,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:47,101 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 16 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:47,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 706 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-21 15:37:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-21 15:37:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 87 states have internal predecessors, (100), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2021-12-21 15:37:47,109 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 213 [2021-12-21 15:37:47,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:47,110 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2021-12-21 15:37:47,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2021-12-21 15:37:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-21 15:37:47,112 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:47,112 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:47,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:47,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:47,344 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:47,344 INFO L85 PathProgramCache]: Analyzing trace with hash 475207938, now seen corresponding path program 1 times [2021-12-21 15:37:47,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:47,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569970135] [2021-12-21 15:37:47,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:47,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 15:37:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 15:37:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 15:37:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 15:37:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-21 15:37:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-21 15:37:47,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:47,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569970135] [2021-12-21 15:37:47,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569970135] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:47,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038842889] [2021-12-21 15:37:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:47,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:47,867 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:47,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-21 15:37:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:48,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:48,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-21 15:37:48,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:48,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038842889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:48,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:48,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:48,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438382298] [2021-12-21 15:37:48,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:48,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:48,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:48,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:48,709 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:48,768 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2021-12-21 15:37:48,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:48,771 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 215 [2021-12-21 15:37:48,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:48,772 INFO L225 Difference]: With dead ends: 250 [2021-12-21 15:37:48,772 INFO L226 Difference]: Without dead ends: 136 [2021-12-21 15:37:48,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:48,773 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 16 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:48,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 703 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:48,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-21 15:37:48,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-21 15:37:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1511627906976745) internal successors, (99), 87 states have internal predecessors, (99), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-12-21 15:37:48,781 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 215 [2021-12-21 15:37:48,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:48,782 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-12-21 15:37:48,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:48,782 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-12-21 15:37:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-21 15:37:48,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:48,790 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:48,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:49,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:49,004 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:49,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:49,004 INFO L85 PathProgramCache]: Analyzing trace with hash -980156036, now seen corresponding path program 1 times [2021-12-21 15:37:49,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:49,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204533845] [2021-12-21 15:37:49,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:49,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 15:37:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 15:37:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 15:37:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 15:37:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-21 15:37:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-21 15:37:49,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:49,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204533845] [2021-12-21 15:37:49,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204533845] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:49,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965440361] [2021-12-21 15:37:49,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:49,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:49,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:49,499 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:49,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-21 15:37:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:49,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:49,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-21 15:37:50,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:50,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965440361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:50,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:50,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:50,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692641848] [2021-12-21 15:37:50,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:50,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:50,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:50,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:50,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:50,303 INFO L87 Difference]: Start difference. First operand 134 states and 162 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, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:50,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:50,408 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2021-12-21 15:37:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:50,408 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, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2021-12-21 15:37:50,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:50,410 INFO L225 Difference]: With dead ends: 250 [2021-12-21 15:37:50,410 INFO L226 Difference]: Without dead ends: 136 [2021-12-21 15:37:50,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:50,411 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 13 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 840 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 [2021-12-21 15:37:50,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 840 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:50,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-21 15:37:50,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-21 15:37:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1395348837209303) internal successors, (98), 87 states have internal predecessors, (98), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2021-12-21 15:37:50,418 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 217 [2021-12-21 15:37:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:50,419 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2021-12-21 15:37:50,419 INFO L471 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, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 15:37:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2021-12-21 15:37:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-21 15:37:50,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:50,421 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:50,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:50,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-21 15:37:50,644 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1598131906, now seen corresponding path program 1 times [2021-12-21 15:37:50,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:50,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860792939] [2021-12-21 15:37:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:50,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 15:37:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-21 15:37:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 15:37:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-21 15:37:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-21 15:37:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-12-21 15:37:51,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:51,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860792939] [2021-12-21 15:37:51,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860792939] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:51,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825341690] [2021-12-21 15:37:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:51,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:51,088 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:51,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-21 15:37:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:51,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 15:37:51,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-21 15:37:52,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:52,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825341690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:52,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:52,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-21 15:37:52,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775182890] [2021-12-21 15:37:52,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:52,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:52,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:52,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:52,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:37:52,362 INFO L87 Difference]: Start difference. First operand 134 states and 161 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:52,462 INFO L93 Difference]: Finished difference Result 226 states and 280 transitions. [2021-12-21 15:37:52,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 15:37:52,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 219 [2021-12-21 15:37:52,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:52,464 INFO L225 Difference]: With dead ends: 226 [2021-12-21 15:37:52,464 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:52,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-21 15:37:52,466 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 6 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:52,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 734 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:37:52,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.127906976744186) internal successors, (97), 87 states have internal predecessors, (97), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:52,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2021-12-21 15:37:52,475 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 219 [2021-12-21 15:37:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:52,477 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2021-12-21 15:37:52,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2021-12-21 15:37:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-21 15:37:52,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:52,479 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:52,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:52,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:52,695 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:52,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1516765550, now seen corresponding path program 1 times [2021-12-21 15:37:52,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:52,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172510677] [2021-12-21 15:37:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:52,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 15:37:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-21 15:37:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 15:37:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-21 15:37:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-21 15:37:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-21 15:37:53,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:53,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172510677] [2021-12-21 15:37:53,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172510677] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:53,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019454794] [2021-12-21 15:37:53,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:53,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:53,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:53,168 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:53,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-21 15:37:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:53,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:53,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:53,982 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-21 15:37:53,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:53,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019454794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:53,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:53,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:53,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782943176] [2021-12-21 15:37:53,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:53,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:53,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:53,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:53,984 INFO L87 Difference]: Start difference. First operand 134 states and 160 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:54,053 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2021-12-21 15:37:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:54,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 223 [2021-12-21 15:37:54,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:54,057 INFO L225 Difference]: With dead ends: 226 [2021-12-21 15:37:54,057 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:54,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:54,060 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 13 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:54,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 709 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:54,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:54,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1162790697674418) internal successors, (96), 87 states have internal predecessors, (96), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2021-12-21 15:37:54,068 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 223 [2021-12-21 15:37:54,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:54,068 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2021-12-21 15:37:54,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-12-21 15:37:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-21 15:37:54,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:54,070 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:54,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:54,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-21 15:37:54,283 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:54,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:54,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1438687790, now seen corresponding path program 1 times [2021-12-21 15:37:54,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:54,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377516699] [2021-12-21 15:37:54,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:54,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 15:37:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 15:37:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-21 15:37:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 15:37:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:37:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-21 15:37:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 15:37:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-21 15:37:54,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377516699] [2021-12-21 15:37:54,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377516699] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867914218] [2021-12-21 15:37:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:54,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:54,718 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:54,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-21 15:37:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:55,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 3092 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:55,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-12-21 15:37:55,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:55,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867914218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:55,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:55,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:55,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40550707] [2021-12-21 15:37:55,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:55,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:55,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:55,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:55,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:55,575 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:55,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:55,643 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2021-12-21 15:37:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:55,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 227 [2021-12-21 15:37:55,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:55,644 INFO L225 Difference]: With dead ends: 226 [2021-12-21 15:37:55,645 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:55,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:55,646 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 11 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:55,646 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 706 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:55,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:55,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:55,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.1046511627906976) internal successors, (95), 87 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:55,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2021-12-21 15:37:55,652 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 227 [2021-12-21 15:37:55,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:55,653 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2021-12-21 15:37:55,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2021-12-21 15:37:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-21 15:37:55,654 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:55,654 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:55,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:55,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-21 15:37:55,879 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1444317550, now seen corresponding path program 1 times [2021-12-21 15:37:55,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:55,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532516586] [2021-12-21 15:37:55,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:55,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 15:37:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 15:37:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:37:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 15:37:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 15:37:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-21 15:37:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-21 15:37:56,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:56,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532516586] [2021-12-21 15:37:56,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532516586] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:56,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903517035] [2021-12-21 15:37:56,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:56,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:56,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:56,305 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:56,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-21 15:37:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:56,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-21 15:37:56,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-12-21 15:37:57,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:37:57,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903517035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:57,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:37:57,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-21 15:37:57,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031050872] [2021-12-21 15:37:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:57,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 15:37:57,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 15:37:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-21 15:37:57,152 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:57,221 INFO L93 Difference]: Finished difference Result 226 states and 274 transitions. [2021-12-21 15:37:57,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:57,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 231 [2021-12-21 15:37:57,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:57,223 INFO L225 Difference]: With dead ends: 226 [2021-12-21 15:37:57,223 INFO L226 Difference]: Without dead ends: 134 [2021-12-21 15:37:57,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:37:57,225 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 9 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:57,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 843 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:37:57,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-21 15:37:57,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-21 15:37:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 86 states have (on average 1.0930232558139534) internal successors, (94), 87 states have internal predecessors, (94), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2021-12-21 15:37:57,231 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 231 [2021-12-21 15:37:57,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:57,231 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2021-12-21 15:37:57,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.666666666666666) internal successors, (88), 7 states have internal predecessors, (88), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-21 15:37:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2021-12-21 15:37:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-21 15:37:57,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:57,233 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:57,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-12-21 15:37:57,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-21 15:37:57,459 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1472716574, now seen corresponding path program 1 times [2021-12-21 15:37:57,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:57,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748152404] [2021-12-21 15:37:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:57,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:37:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:37:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:37:57,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:57,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748152404] [2021-12-21 15:37:57,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748152404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:37:57,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:37:57,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:37:57,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808424472] [2021-12-21 15:37:57,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:37:57,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:37:57,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:37:57,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:37:57,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:37:57,941 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-21 15:37:58,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:37:58,348 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2021-12-21 15:37:58,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:37:58,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 235 [2021-12-21 15:37:58,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:37:58,350 INFO L225 Difference]: With dead ends: 177 [2021-12-21 15:37:58,350 INFO L226 Difference]: Without dead ends: 137 [2021-12-21 15:37:58,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 15:37:58,351 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 129 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:37:58,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 307 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-21 15:37:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-12-21 15:37:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-12-21 15:37:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 88 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:37:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2021-12-21 15:37:58,360 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 235 [2021-12-21 15:37:58,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:37:58,361 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2021-12-21 15:37:58,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-21 15:37:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2021-12-21 15:37:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-21 15:37:58,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:37:58,364 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:37:58,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 15:37:58,364 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:37:58,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:37:58,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1475179209, now seen corresponding path program 1 times [2021-12-21 15:37:58,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:37:58,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547803902] [2021-12-21 15:37:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:58,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:37:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:37:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:37:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:37:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:37:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:37:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:37:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:37:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:37:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:37:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:37:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:37:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:37:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:37:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:37:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:37:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:37:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:37:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:37:58,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:37:58,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547803902] [2021-12-21 15:37:58,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547803902] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:37:58,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156046563] [2021-12-21 15:37:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:37:58,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:37:58,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:37:58,837 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:37:58,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-21 15:37:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:37:59,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-21 15:37:59,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:37:59,894 INFO L387 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 15 treesize of output 11 [2021-12-21 15:37:59,898 INFO L387 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 [2021-12-21 15:38:00,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 15:38:00,073 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-21 15:38:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 15:38:00,079 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 15:38:00,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-12-21 15:38:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-21 15:38:00,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:00,272 INFO L387 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 25 treesize of output 21 [2021-12-21 15:38:00,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:00,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:00,354 INFO L387 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 14 treesize of output 12 [2021-12-21 15:38:00,360 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2021-12-21 15:38:00,368 INFO L387 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 12 treesize of output 10 [2021-12-21 15:38:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:00,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156046563] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 15:38:00,899 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 15:38:00,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12, 9] total 22 [2021-12-21 15:38:00,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714703153] [2021-12-21 15:38:00,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:00,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-21 15:38:00,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-21 15:38:00,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-12-21 15:38:00,901 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-21 15:38:01,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:01,845 INFO L93 Difference]: Finished difference Result 188 states and 220 transitions. [2021-12-21 15:38:01,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-21 15:38:01,846 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) Word has length 236 [2021-12-21 15:38:01,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:01,847 INFO L225 Difference]: With dead ends: 188 [2021-12-21 15:38:01,847 INFO L226 Difference]: Without dead ends: 148 [2021-12-21 15:38:01,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 523 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2021-12-21 15:38:01,849 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 175 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 239 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:01,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 944 Invalid, 1565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1214 Invalid, 0 Unknown, 239 Unchecked, 0.8s Time] [2021-12-21 15:38:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-12-21 15:38:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 136. [2021-12-21 15:38:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 88 states have (on average 1.0909090909090908) internal successors, (96), 89 states have internal predecessors, (96), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-21 15:38:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2021-12-21 15:38:01,859 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 236 [2021-12-21 15:38:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:01,861 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2021-12-21 15:38:01,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.190476190476191) internal successors, (109), 18 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 4 states have return successors, (38), 7 states have call predecessors, (38), 4 states have call successors, (38) [2021-12-21 15:38:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2021-12-21 15:38:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-21 15:38:01,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:01,862 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:01,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:02,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-21 15:38:02,079 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:02,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:02,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1551520894, now seen corresponding path program 2 times [2021-12-21 15:38:02,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:02,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216680195] [2021-12-21 15:38:02,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:02,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:02,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:02,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216680195] [2021-12-21 15:38:02,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216680195] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:02,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958950248] [2021-12-21 15:38:02,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 15:38:02,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:02,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:02,548 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:02,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-21 15:38:03,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 15:38:03,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 15:38:03,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-21 15:38:03,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:03,779 INFO L387 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 [2021-12-21 15:38:04,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:04,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-21 15:38:05,124 INFO L387 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 16 treesize of output 8 [2021-12-21 15:38:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-21 15:38:05,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:05,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958950248] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:05,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:05,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2021-12-21 15:38:05,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85079768] [2021-12-21 15:38:05,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:05,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-21 15:38:05,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:05,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-21 15:38:05,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:38:05,160 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2021-12-21 15:38:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:05,240 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2021-12-21 15:38:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 15:38:05,241 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 237 [2021-12-21 15:38:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:05,243 INFO L225 Difference]: With dead ends: 233 [2021-12-21 15:38:05,244 INFO L226 Difference]: Without dead ends: 188 [2021-12-21 15:38:05,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 276 SyntacticMatches, 19 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-12-21 15:38:05,246 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 21 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:05,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 720 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 60 Unchecked, 0.0s Time] [2021-12-21 15:38:05,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-12-21 15:38:05,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-12-21 15:38:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 125 states have (on average 1.096) internal successors, (137), 125 states have internal predecessors, (137), 41 states have call successors, (41), 21 states have call predecessors, (41), 21 states have return successors, (42), 41 states have call predecessors, (42), 40 states have call successors, (42) [2021-12-21 15:38:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2021-12-21 15:38:05,261 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 237 [2021-12-21 15:38:05,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:05,262 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2021-12-21 15:38:05,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 9 states have internal predecessors, (72), 7 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2021-12-21 15:38:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2021-12-21 15:38:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-21 15:38:05,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:05,265 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:05,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:05,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:05,492 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:05,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:05,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2060993984, now seen corresponding path program 1 times [2021-12-21 15:38:05,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:05,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930988202] [2021-12-21 15:38:05,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:05,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:06,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:06,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930988202] [2021-12-21 15:38:06,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930988202] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:06,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444642141] [2021-12-21 15:38:06,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:06,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:06,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:06,076 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:06,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-21 15:38:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:06,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 3151 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-21 15:38:06,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:07,025 INFO L387 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 14 treesize of output 10 [2021-12-21 15:38:07,031 INFO L387 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 16 treesize of output 12 [2021-12-21 15:38:07,069 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-21 15:38:07,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-12-21 15:38:07,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:07,082 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-12-21 15:38:07,167 INFO L387 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 15 treesize of output 7 [2021-12-21 15:38:07,170 INFO L387 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 15 treesize of output 7 [2021-12-21 15:38:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-21 15:38:07,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:07,352 INFO L387 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 73 treesize of output 69 [2021-12-21 15:38:07,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:07,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:07,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 15:38:07,496 INFO L387 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 20 treesize of output 18 [2021-12-21 15:38:07,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 132 [2021-12-21 15:38:07,544 INFO L387 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 18 treesize of output 16 [2021-12-21 15:38:07,546 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2021-12-21 15:38:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:08,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444642141] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 15:38:08,119 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 15:38:08,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 10] total 26 [2021-12-21 15:38:08,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818326682] [2021-12-21 15:38:08,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:08,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-21 15:38:08,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:08,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-21 15:38:08,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=586, Unknown=0, NotChecked=0, Total=650 [2021-12-21 15:38:08,121 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 15:38:09,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:09,520 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2021-12-21 15:38:09,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-21 15:38:09,520 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) Word has length 237 [2021-12-21 15:38:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:09,522 INFO L225 Difference]: With dead ends: 244 [2021-12-21 15:38:09,522 INFO L226 Difference]: Without dead ends: 204 [2021-12-21 15:38:09,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 527 SyntacticMatches, 3 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=160, Invalid=1322, Unknown=0, NotChecked=0, Total=1482 [2021-12-21 15:38:09,523 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 197 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1036 SdHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:09,523 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 1036 Invalid, 2124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1852 Invalid, 0 Unknown, 129 Unchecked, 1.1s Time] [2021-12-21 15:38:09,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-12-21 15:38:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 193. [2021-12-21 15:38:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 129 states have (on average 1.0930232558139534) internal successors, (141), 129 states have internal predecessors, (141), 41 states have call successors, (41), 22 states have call predecessors, (41), 22 states have return successors, (42), 41 states have call predecessors, (42), 40 states have call successors, (42) [2021-12-21 15:38:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 224 transitions. [2021-12-21 15:38:09,534 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 224 transitions. Word has length 237 [2021-12-21 15:38:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:09,535 INFO L470 AbstractCegarLoop]: Abstraction has 193 states and 224 transitions. [2021-12-21 15:38:09,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.28) internal successors, (107), 22 states have internal predecessors, (107), 5 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (36), 6 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-21 15:38:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 224 transitions. [2021-12-21 15:38:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-21 15:38:09,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:09,537 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:09,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-21 15:38:09,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-21 15:38:09,751 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:09,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:09,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1500841232, now seen corresponding path program 1 times [2021-12-21 15:38:09,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:09,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027665926] [2021-12-21 15:38:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:09,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 15:38:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:10,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:10,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027665926] [2021-12-21 15:38:10,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027665926] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:10,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551766189] [2021-12-21 15:38:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:10,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:10,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:10,348 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:10,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-21 15:38:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:10,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3183 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-21 15:38:10,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:11,064 INFO L387 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 [2021-12-21 15:38:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 165 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-21 15:38:11,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-12-21 15:38:12,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551766189] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 15:38:12,529 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 15:38:12,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 10] total 27 [2021-12-21 15:38:12,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828837897] [2021-12-21 15:38:12,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:12,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-21 15:38:12,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:12,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-21 15:38:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-12-21 15:38:12,533 INFO L87 Difference]: Start difference. First operand 193 states and 224 transitions. Second operand has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2021-12-21 15:38:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:14,068 INFO L93 Difference]: Finished difference Result 442 states and 531 transitions. [2021-12-21 15:38:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-21 15:38:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) Word has length 244 [2021-12-21 15:38:14,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:14,071 INFO L225 Difference]: With dead ends: 442 [2021-12-21 15:38:14,071 INFO L226 Difference]: Without dead ends: 367 [2021-12-21 15:38:14,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 539 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=214, Invalid=1766, Unknown=0, NotChecked=0, Total=1980 [2021-12-21 15:38:14,073 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 251 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 738 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:14,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 1259 Invalid, 2312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1425 Invalid, 0 Unknown, 738 Unchecked, 1.0s Time] [2021-12-21 15:38:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-12-21 15:38:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 307. [2021-12-21 15:38:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 213 states have (on average 1.0985915492957747) internal successors, (234), 215 states have internal predecessors, (234), 57 states have call successors, (57), 34 states have call predecessors, (57), 36 states have return successors, (70), 57 states have call predecessors, (70), 56 states have call successors, (70) [2021-12-21 15:38:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2021-12-21 15:38:14,100 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 244 [2021-12-21 15:38:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:14,101 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2021-12-21 15:38:14,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 6.96) internal successors, (174), 23 states have internal predecessors, (174), 13 states have call successors, (61), 5 states have call predecessors, (61), 7 states have return successors, (60), 10 states have call predecessors, (60), 13 states have call successors, (60) [2021-12-21 15:38:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2021-12-21 15:38:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-21 15:38:14,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:14,103 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:14,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:14,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:14,318 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:14,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:14,319 INFO L85 PathProgramCache]: Analyzing trace with hash 367580537, now seen corresponding path program 1 times [2021-12-21 15:38:14,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:14,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533873873] [2021-12-21 15:38:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:14,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:38:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:14,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:14,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533873873] [2021-12-21 15:38:14,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533873873] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:14,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302561602] [2021-12-21 15:38:14,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:14,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:14,781 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:14,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-21 15:38:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:15,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 3197 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-21 15:38:15,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:15,644 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-21 15:38:15,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 15:38:15,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302561602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:38:15,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 15:38:15,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2021-12-21 15:38:15,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065242476] [2021-12-21 15:38:15,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:38:15,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 15:38:15,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:15,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 15:38:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-21 15:38:15,646 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-21 15:38:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:15,735 INFO L93 Difference]: Finished difference Result 475 states and 554 transitions. [2021-12-21 15:38:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:38:15,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 245 [2021-12-21 15:38:15,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:15,737 INFO L225 Difference]: With dead ends: 475 [2021-12-21 15:38:15,737 INFO L226 Difference]: Without dead ends: 310 [2021-12-21 15:38:15,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-12-21 15:38:15,739 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 2 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:15,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 983 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 15:38:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-21 15:38:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 298. [2021-12-21 15:38:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 206 states have (on average 1.0922330097087378) internal successors, (225), 208 states have internal predecessors, (225), 55 states have call successors, (55), 34 states have call predecessors, (55), 36 states have return successors, (62), 55 states have call predecessors, (62), 54 states have call successors, (62) [2021-12-21 15:38:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 342 transitions. [2021-12-21 15:38:15,755 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 342 transitions. Word has length 245 [2021-12-21 15:38:15,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:15,756 INFO L470 AbstractCegarLoop]: Abstraction has 298 states and 342 transitions. [2021-12-21 15:38:15,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-21 15:38:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 342 transitions. [2021-12-21 15:38:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-21 15:38:15,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:15,758 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:15,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:15,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:15,983 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:15,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1201861317, now seen corresponding path program 1 times [2021-12-21 15:38:15,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:15,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153759162] [2021-12-21 15:38:15,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:15,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-21 15:38:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-21 15:38:16,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:38:16,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153759162] [2021-12-21 15:38:16,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153759162] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:16,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623768876] [2021-12-21 15:38:16,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:16,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:38:16,560 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-21 15:38:16,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-21 15:38:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:17,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 65 conjunts are in the unsatisfiable core [2021-12-21 15:38:17,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 15:38:17,143 INFO L387 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 [2021-12-21 15:38:17,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 15:38:17,694 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-12-21 15:38:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-12-21 15:38:18,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 15:38:20,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623768876] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 15:38:20,006 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-21 15:38:20,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 18] total 26 [2021-12-21 15:38:20,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453385640] [2021-12-21 15:38:20,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-21 15:38:20,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-21 15:38:20,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:38:20,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-21 15:38:20,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1213, Unknown=1, NotChecked=0, Total=1332 [2021-12-21 15:38:20,008 INFO L87 Difference]: Start difference. First operand 298 states and 342 transitions. Second operand has 26 states, 24 states have (on average 6.666666666666667) internal successors, (160), 21 states have internal predecessors, (160), 10 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 11 states have call predecessors, (50), 10 states have call successors, (50) [2021-12-21 15:38:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:38:20,802 INFO L93 Difference]: Finished difference Result 424 states and 484 transitions. [2021-12-21 15:38:20,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-21 15:38:20,802 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.666666666666667) internal successors, (160), 21 states have internal predecessors, (160), 10 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 11 states have call predecessors, (50), 10 states have call successors, (50) Word has length 245 [2021-12-21 15:38:20,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:38:20,804 INFO L225 Difference]: With dead ends: 424 [2021-12-21 15:38:20,804 INFO L226 Difference]: Without dead ends: 345 [2021-12-21 15:38:20,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 444 SyntacticMatches, 17 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=197, Invalid=2154, Unknown=1, NotChecked=0, Total=2352 [2021-12-21 15:38:20,806 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 117 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 918 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-21 15:38:20,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 1156 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 585 Invalid, 0 Unknown, 918 Unchecked, 0.4s Time] [2021-12-21 15:38:20,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-12-21 15:38:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 334. [2021-12-21 15:38:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 234 states have (on average 1.0811965811965811) internal successors, (253), 237 states have internal predecessors, (253), 57 states have call successors, (57), 39 states have call predecessors, (57), 42 states have return successors, (63), 57 states have call predecessors, (63), 56 states have call successors, (63) [2021-12-21 15:38:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 373 transitions. [2021-12-21 15:38:20,826 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 373 transitions. Word has length 245 [2021-12-21 15:38:20,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:38:20,827 INFO L470 AbstractCegarLoop]: Abstraction has 334 states and 373 transitions. [2021-12-21 15:38:20,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.666666666666667) internal successors, (160), 21 states have internal predecessors, (160), 10 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 11 states have call predecessors, (50), 10 states have call successors, (50) [2021-12-21 15:38:20,827 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 373 transitions. [2021-12-21 15:38:20,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-21 15:38:20,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:38:20,829 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:38:20,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-12-21 15:38:21,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 15:38:21,038 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:38:21,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:38:21,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1587113358, now seen corresponding path program 1 times [2021-12-21 15:38:21,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:38:21,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380988059] [2021-12-21 15:38:21,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:38:21,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:38:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 15:38:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-21 15:38:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 15:38:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 15:38:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-21 15:38:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-21 15:38:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:38:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 15:38:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 15:38:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 15:38:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 15:38:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:38:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 15:38:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-21 15:38:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:38:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-21 15:38:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:38:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-21 15:38:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat