./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-18 01:19:52,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 01:19:52,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 01:19:52,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 01:19:52,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 01:19:52,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 01:19:52,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 01:19:52,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 01:19:52,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 01:19:52,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 01:19:52,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 01:19:52,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 01:19:52,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 01:19:52,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 01:19:52,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 01:19:52,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 01:19:52,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 01:19:52,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 01:19:52,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 01:19:52,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 01:19:52,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 01:19:52,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 01:19:52,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 01:19:52,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 01:19:52,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 01:19:52,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 01:19:52,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 01:19:52,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 01:19:52,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 01:19:52,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 01:19:52,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 01:19:52,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 01:19:52,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 01:19:52,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 01:19:52,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 01:19:52,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 01:19:52,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 01:19:52,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 01:19:52,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 01:19:52,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 01:19:52,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 01:19:52,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 01:19:52,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 01:19:52,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 01:19:52,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 01:19:52,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 01:19:52,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 01:19:52,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 01:19:52,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 01:19:52,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 01:19:52,884 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 01:19:52,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 01:19:52,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 01:19:52,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 01:19:52,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 01:19:52,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 01:19:52,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 01:19:52,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 01:19:52,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 01:19:52,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 01:19:52,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 01:19:52,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 01:19:52,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 01:19:52,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:19:52,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 01:19:52,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 01:19:52,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 01:19:52,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 01:19:52,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e7035c8f6176239a6155d5f2c0d89271e8311db2fdadeed7cf9912856a8711 [2021-12-18 01:19:53,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 01:19:53,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 01:19:53,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 01:19:53,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 01:19:53,124 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 01:19:53,125 INFO L432 ainManager$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 [2021-12-18 01:19:53,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f4fc2a5/46d616bdb0534172888fe8f4c958e056/FLAG75ca07adf [2021-12-18 01:19:53,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 01:19:53,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_clean_up_harness.i [2021-12-18 01:19:53,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f4fc2a5/46d616bdb0534172888fe8f4c958e056/FLAG75ca07adf [2021-12-18 01:19:54,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9f4fc2a5/46d616bdb0534172888fe8f4c958e056 [2021-12-18 01:19:54,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 01:19:54,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 01:19:54,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 01:19:54,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 01:19:54,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 01:19:54,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:19:54" (1/1) ... [2021-12-18 01:19:54,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579ea374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:54, skipping insertion in model container [2021-12-18 01:19:54,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:19:54" (1/1) ... [2021-12-18 01:19:54,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 01:19:54,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 01:19:54,470 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] [2021-12-18 01:19:54,476 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] [2021-12-18 01:19:55,081 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,082 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,089 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,110 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,112 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,113 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,115 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,326 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:19:55,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:19:55,327 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:19:55,328 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:19:55,329 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:19:55,330 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:19:55,330 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:19:55,331 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:19:55,331 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:19:55,332 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:19:55,430 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:19:55,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,512 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:19:55,605 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 01:19:55,616 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] [2021-12-18 01:19:55,616 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] [2021-12-18 01:19:55,639 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,640 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,641 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,645 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,646 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,647 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,670 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-18 01:19:55,671 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-18 01:19:55,671 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-18 01:19:55,672 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-18 01:19:55,672 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-18 01:19:55,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-18 01:19:55,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-18 01:19:55,673 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-18 01:19:55,674 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-18 01:19:55,674 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-18 01:19:55,690 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-18 01:19:55,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,791 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-18 01:19:55,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 01:19:56,048 INFO L208 MainTranslator]: Completed translation [2021-12-18 01:19:56,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56 WrapperNode [2021-12-18 01:19:56,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 01:19:56,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 01:19:56,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 01:19:56,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 01:19:56,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,264 INFO L137 Inliner]: procedures = 691, calls = 2872, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 813 [2021-12-18 01:19:56,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 01:19:56,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 01:19:56,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 01:19:56,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 01:19:56,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 01:19:56,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 01:19:56,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 01:19:56,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 01:19:56,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (1/1) ... [2021-12-18 01:19:56,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 01:19:56,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:19:56,413 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) [2021-12-18 01:19:56,432 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 [2021-12-18 01:19:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-18 01:19:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-18 01:19:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 01:19:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-18 01:19:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-18 01:19:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-18 01:19:56,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-18 01:19:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 01:19:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 01:19:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 01:19:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-18 01:19:56,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-18 01:19:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 01:19:56,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 01:19:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-18 01:19:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-18 01:19:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-12-18 01:19:56,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-12-18 01:19:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-18 01:19:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-18 01:19:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 01:19:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 01:19:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 01:19:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 01:19:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 01:19:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 01:19:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 01:19:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-18 01:19:56,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-18 01:19:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-18 01:19:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-18 01:19:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-18 01:19:56,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-18 01:19:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-18 01:19:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-18 01:19:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-18 01:19:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-18 01:19:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-18 01:19:56,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-18 01:19:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 01:19:56,722 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 01:19:56,724 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 01:19:57,372 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 01:19:57,382 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 01:19:57,383 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 01:19:57,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:19:57 BoogieIcfgContainer [2021-12-18 01:19:57,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 01:19:57,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 01:19:57,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 01:19:57,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 01:19:57,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:19:54" (1/3) ... [2021-12-18 01:19:57,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8f164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:19:57, skipping insertion in model container [2021-12-18 01:19:57,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:19:56" (2/3) ... [2021-12-18 01:19:57,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8f164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:19:57, skipping insertion in model container [2021-12-18 01:19:57,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:19:57" (3/3) ... [2021-12-18 01:19:57,391 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2021-12-18 01:19:57,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 01:19:57,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 01:19:57,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 01:19:57,453 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 [2021-12-18 01:19:57,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 01:19:57,472 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) [2021-12-18 01:19:57,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-18 01:19:57,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:19:57,479 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] [2021-12-18 01:19:57,480 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:19:57,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:19:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash 612691976, now seen corresponding path program 1 times [2021-12-18 01:19:57,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:19:57,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273646057] [2021-12-18 01:19:57,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:19:57,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:19:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:19:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:19:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:19:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:19:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:19:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:19:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 01:19:58,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:19:58,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273646057] [2021-12-18 01:19:58,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273646057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:19:58,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:19:58,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 01:19:58,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686488298] [2021-12-18 01:19:58,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:19:58,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 01:19:58,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:19:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 01:19:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 01:19:58,156 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) [2021-12-18 01:19:58,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:19:58,411 INFO L93 Difference]: Finished difference Result 263 states and 357 transitions. [2021-12-18 01:19:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 01:19:58,417 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 [2021-12-18 01:19:58,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:19:58,431 INFO L225 Difference]: With dead ends: 263 [2021-12-18 01:19:58,431 INFO L226 Difference]: Without dead ends: 132 [2021-12-18 01:19:58,438 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 [2021-12-18 01:19:58,441 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 [2021-12-18 01:19:58,442 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] [2021-12-18 01:19:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-12-18 01:19:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2021-12-18 01:19:58,502 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) [2021-12-18 01:19:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2021-12-18 01:19:58,510 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 52 [2021-12-18 01:19:58,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:19:58,511 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2021-12-18 01:19:58,511 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) [2021-12-18 01:19:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2021-12-18 01:19:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-18 01:19:58,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:19:58,515 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] [2021-12-18 01:19:58,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 01:19:58,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:19:58,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:19:58,517 INFO L85 PathProgramCache]: Analyzing trace with hash -333154486, now seen corresponding path program 1 times [2021-12-18 01:19:58,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:19:58,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873980980] [2021-12-18 01:19:58,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:19:58,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:19:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:19:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:19:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:19:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:19:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:19:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:19:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 01:19:58,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:19:58,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873980980] [2021-12-18 01:19:58,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873980980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:19:58,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:19:58,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 01:19:58,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351157691] [2021-12-18 01:19:58,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:19:58,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:19:58,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:19:58,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:19:58,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 01:19:58,861 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) [2021-12-18 01:19:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:19:59,336 INFO L93 Difference]: Finished difference Result 244 states and 315 transitions. [2021-12-18 01:19:59,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 01:19:59,336 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 [2021-12-18 01:19:59,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:19:59,338 INFO L225 Difference]: With dead ends: 244 [2021-12-18 01:19:59,338 INFO L226 Difference]: Without dead ends: 139 [2021-12-18 01:19:59,339 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 [2021-12-18 01:19:59,340 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 109 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2021-12-18 01:19:59,341 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] [2021-12-18 01:19:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-18 01:19:59,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-12-18 01:19:59,351 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) [2021-12-18 01:19:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 169 transitions. [2021-12-18 01:19:59,352 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 169 transitions. Word has length 52 [2021-12-18 01:19:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:19:59,354 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 169 transitions. [2021-12-18 01:19:59,354 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) [2021-12-18 01:19:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2021-12-18 01:19:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-18 01:19:59,356 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:19:59,356 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] [2021-12-18 01:19:59,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 01:19:59,357 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:19:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:19:59,357 INFO L85 PathProgramCache]: Analyzing trace with hash 818368520, now seen corresponding path program 1 times [2021-12-18 01:19:59,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:19:59,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481124839] [2021-12-18 01:19:59,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:19:59,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:19:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:19:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:19:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:19:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:19:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:19:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:19:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:19:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 01:19:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:19:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:19:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-18 01:19:59,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:19:59,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481124839] [2021-12-18 01:19:59,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481124839] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:19:59,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069830973] [2021-12-18 01:19:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:19:59,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:19:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:19:59,807 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) [2021-12-18 01:19:59,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 01:20:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:00,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 2563 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:20:00,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-18 01:20:00,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:00,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069830973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:00,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:00,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-18 01:20:00,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776349103] [2021-12-18 01:20:00,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:00,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:00,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:00,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:00,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-18 01:20:00,484 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) [2021-12-18 01:20:00,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:00,555 INFO L93 Difference]: Finished difference Result 137 states and 169 transitions. [2021-12-18 01:20:00,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:20:00,556 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 [2021-12-18 01:20:00,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:00,560 INFO L225 Difference]: With dead ends: 137 [2021-12-18 01:20:00,561 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:00,561 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 [2021-12-18 01:20:00,566 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 [2021-12-18 01:20:00,568 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] [2021-12-18 01:20:00,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:00,588 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) [2021-12-18 01:20:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 166 transitions. [2021-12-18 01:20:00,590 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 166 transitions. Word has length 85 [2021-12-18 01:20:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:00,592 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 166 transitions. [2021-12-18 01:20:00,592 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) [2021-12-18 01:20:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2021-12-18 01:20:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 01:20:00,605 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:00,605 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] [2021-12-18 01:20:00,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 01:20:00,822 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 [2021-12-18 01:20:00,823 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:00,823 INFO L85 PathProgramCache]: Analyzing trace with hash -611785972, now seen corresponding path program 1 times [2021-12-18 01:20:00,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:00,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695770898] [2021-12-18 01:20:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:00,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 01:20:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 01:20:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 01:20:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 01:20:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 01:20:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 01:20:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-18 01:20:01,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695770898] [2021-12-18 01:20:01,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695770898] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:01,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036310205] [2021-12-18 01:20:01,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:01,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:01,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:01,388 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) [2021-12-18 01:20:01,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 01:20:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:01,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 3038 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 01:20:01,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-18 01:20:02,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:02,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036310205] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:02,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:02,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-18 01:20:02,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328033997] [2021-12-18 01:20:02,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:02,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 01:20:02,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:02,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 01:20:02,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:20:02,246 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) [2021-12-18 01:20:02,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:02,269 INFO L93 Difference]: Finished difference Result 225 states and 282 transitions. [2021-12-18 01:20:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 01:20:02,270 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 [2021-12-18 01:20:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:02,271 INFO L225 Difference]: With dead ends: 225 [2021-12-18 01:20:02,272 INFO L226 Difference]: Without dead ends: 138 [2021-12-18 01:20:02,272 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 [2021-12-18 01:20:02,273 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 [2021-12-18 01:20:02,273 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] [2021-12-18 01:20:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-12-18 01:20:02,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-12-18 01:20:02,280 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) [2021-12-18 01:20:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2021-12-18 01:20:02,281 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 207 [2021-12-18 01:20:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:02,282 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2021-12-18 01:20:02,282 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) [2021-12-18 01:20:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2021-12-18 01:20:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 01:20:02,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:02,285 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] [2021-12-18 01:20:02,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:02,498 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 [2021-12-18 01:20:02,498 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:02,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash -540741488, now seen corresponding path program 1 times [2021-12-18 01:20:02,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:02,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894402428] [2021-12-18 01:20:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:02,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 01:20:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 01:20:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 01:20:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 01:20:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 01:20:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 01:20:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2021-12-18 01:20:03,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:03,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894402428] [2021-12-18 01:20:03,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894402428] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:03,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313129461] [2021-12-18 01:20:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:03,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:03,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:03,035 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) [2021-12-18 01:20:03,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 01:20:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:03,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 01:20:03,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-18 01:20:03,978 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:03,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313129461] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:03,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:03,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-12-18 01:20:03,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070309280] [2021-12-18 01:20:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:03,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:03,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:03,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:03,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-12-18 01:20:03,981 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) [2021-12-18 01:20:04,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:04,169 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2021-12-18 01:20:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:04,170 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 [2021-12-18 01:20:04,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:04,171 INFO L225 Difference]: With dead ends: 228 [2021-12-18 01:20:04,171 INFO L226 Difference]: Without dead ends: 139 [2021-12-18 01:20:04,172 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 [2021-12-18 01:20:04,172 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 [2021-12-18 01:20:04,173 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] [2021-12-18 01:20:04,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-12-18 01:20:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-12-18 01:20:04,179 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) [2021-12-18 01:20:04,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 171 transitions. [2021-12-18 01:20:04,180 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 171 transitions. Word has length 207 [2021-12-18 01:20:04,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:04,180 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 171 transitions. [2021-12-18 01:20:04,181 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) [2021-12-18 01:20:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 171 transitions. [2021-12-18 01:20:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-18 01:20:04,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:04,183 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] [2021-12-18 01:20:04,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:04,411 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 [2021-12-18 01:20:04,412 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:04,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1768774985, now seen corresponding path program 1 times [2021-12-18 01:20:04,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:04,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379434286] [2021-12-18 01:20:04,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:04,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 01:20:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 01:20:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 01:20:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 01:20:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 01:20:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 01:20:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-12-18 01:20:05,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379434286] [2021-12-18 01:20:05,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379434286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:05,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816224938] [2021-12-18 01:20:05,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:05,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:05,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:05,012 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) [2021-12-18 01:20:05,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 01:20:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:05,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 01:20:05,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-12-18 01:20:05,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:05,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816224938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:05,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:05,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2021-12-18 01:20:05,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336997190] [2021-12-18 01:20:05,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:05,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 01:20:05,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:05,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 01:20:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-12-18 01:20:05,970 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) [2021-12-18 01:20:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:06,139 INFO L93 Difference]: Finished difference Result 199 states and 244 transitions. [2021-12-18 01:20:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 01:20:06,139 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 [2021-12-18 01:20:06,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:06,142 INFO L225 Difference]: With dead ends: 199 [2021-12-18 01:20:06,142 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:06,143 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 [2021-12-18 01:20:06,144 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 [2021-12-18 01:20:06,145 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] [2021-12-18 01:20:06,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:06,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:06,151 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) [2021-12-18 01:20:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 165 transitions. [2021-12-18 01:20:06,153 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 165 transitions. Word has length 209 [2021-12-18 01:20:06,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:06,154 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 165 transitions. [2021-12-18 01:20:06,154 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) [2021-12-18 01:20:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2021-12-18 01:20:06,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-18 01:20:06,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:06,156 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] [2021-12-18 01:20:06,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:06,383 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 [2021-12-18 01:20:06,384 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1017099586, now seen corresponding path program 1 times [2021-12-18 01:20:06,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:06,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458434346] [2021-12-18 01:20:06,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:06,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 01:20:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 01:20:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 01:20:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 01:20:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 01:20:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 01:20:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-18 01:20:06,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:06,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458434346] [2021-12-18 01:20:06,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458434346] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:06,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89424864] [2021-12-18 01:20:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:06,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:06,924 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) [2021-12-18 01:20:06,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 01:20:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:07,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 3060 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:20:07,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-18 01:20:07,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:07,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89424864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:07,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:07,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-18 01:20:07,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219645159] [2021-12-18 01:20:07,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:07,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:20:07,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:07,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:20:07,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:20:07,724 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) [2021-12-18 01:20:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:07,772 INFO L93 Difference]: Finished difference Result 250 states and 309 transitions. [2021-12-18 01:20:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:20:07,773 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 [2021-12-18 01:20:07,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:07,774 INFO L225 Difference]: With dead ends: 250 [2021-12-18 01:20:07,774 INFO L226 Difference]: Without dead ends: 136 [2021-12-18 01:20:07,775 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 [2021-12-18 01:20:07,775 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 [2021-12-18 01:20:07,775 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] [2021-12-18 01:20:07,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-18 01:20:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-18 01:20:07,780 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) [2021-12-18 01:20:07,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 164 transitions. [2021-12-18 01:20:07,781 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 164 transitions. Word has length 211 [2021-12-18 01:20:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:07,781 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 164 transitions. [2021-12-18 01:20:07,782 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) [2021-12-18 01:20:07,782 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2021-12-18 01:20:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-18 01:20:07,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:07,784 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] [2021-12-18 01:20:07,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:08,007 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 [2021-12-18 01:20:08,007 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:08,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:08,008 INFO L85 PathProgramCache]: Analyzing trace with hash 330483892, now seen corresponding path program 1 times [2021-12-18 01:20:08,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:08,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229777908] [2021-12-18 01:20:08,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:08,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-18 01:20:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 01:20:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 01:20:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 01:20:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 01:20:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 01:20:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-18 01:20:08,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:08,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229777908] [2021-12-18 01:20:08,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229777908] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:08,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096892668] [2021-12-18 01:20:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:08,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:08,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:08,468 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) [2021-12-18 01:20:08,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 01:20:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:08,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 3064 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:08,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-18 01:20:09,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:09,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096892668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:09,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:09,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:09,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667222928] [2021-12-18 01:20:09,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:09,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:09,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:09,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:09,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:09,295 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) [2021-12-18 01:20:09,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:09,361 INFO L93 Difference]: Finished difference Result 250 states and 307 transitions. [2021-12-18 01:20:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:09,361 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 [2021-12-18 01:20:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:09,362 INFO L225 Difference]: With dead ends: 250 [2021-12-18 01:20:09,362 INFO L226 Difference]: Without dead ends: 136 [2021-12-18 01:20:09,363 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 [2021-12-18 01:20:09,363 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 [2021-12-18 01:20:09,364 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] [2021-12-18 01:20:09,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-18 01:20:09,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-18 01:20:09,369 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) [2021-12-18 01:20:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2021-12-18 01:20:09,370 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 213 [2021-12-18 01:20:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:09,370 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2021-12-18 01:20:09,370 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) [2021-12-18 01:20:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2021-12-18 01:20:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-18 01:20:09,372 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:09,373 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] [2021-12-18 01:20:09,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:09,587 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 [2021-12-18 01:20:09,588 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:09,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:09,588 INFO L85 PathProgramCache]: Analyzing trace with hash 475207938, now seen corresponding path program 1 times [2021-12-18 01:20:09,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:09,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261713266] [2021-12-18 01:20:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:09,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 01:20:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-18 01:20:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 01:20:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 01:20:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 01:20:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 01:20:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-18 01:20:10,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:10,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261713266] [2021-12-18 01:20:10,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261713266] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:10,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154564835] [2021-12-18 01:20:10,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:10,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:10,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:10,104 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) [2021-12-18 01:20:10,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 01:20:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:10,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:10,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-18 01:20:10,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:10,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154564835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:10,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:10,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:10,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932797686] [2021-12-18 01:20:10,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:10,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:10,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:10,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:10,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:10,938 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) [2021-12-18 01:20:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:11,009 INFO L93 Difference]: Finished difference Result 250 states and 305 transitions. [2021-12-18 01:20:11,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:11,010 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 [2021-12-18 01:20:11,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:11,012 INFO L225 Difference]: With dead ends: 250 [2021-12-18 01:20:11,012 INFO L226 Difference]: Without dead ends: 136 [2021-12-18 01:20:11,013 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 [2021-12-18 01:20:11,013 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 [2021-12-18 01:20:11,014 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] [2021-12-18 01:20:11,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-18 01:20:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-18 01:20:11,024 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) [2021-12-18 01:20:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 162 transitions. [2021-12-18 01:20:11,025 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 162 transitions. Word has length 215 [2021-12-18 01:20:11,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:11,025 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 162 transitions. [2021-12-18 01:20:11,025 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) [2021-12-18 01:20:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2021-12-18 01:20:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-18 01:20:11,027 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:11,027 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] [2021-12-18 01:20:11,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:11,228 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 [2021-12-18 01:20:11,228 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:11,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:11,229 INFO L85 PathProgramCache]: Analyzing trace with hash -980156036, now seen corresponding path program 1 times [2021-12-18 01:20:11,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:11,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420737386] [2021-12-18 01:20:11,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:11,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 01:20:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 01:20:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 01:20:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 01:20:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-18 01:20:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-18 01:20:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2021-12-18 01:20:11,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:11,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420737386] [2021-12-18 01:20:11,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420737386] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:11,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288431417] [2021-12-18 01:20:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:11,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:11,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:11,697 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) [2021-12-18 01:20:11,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 01:20:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:12,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:12,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-18 01:20:12,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:12,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288431417] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:12,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:12,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:12,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255488315] [2021-12-18 01:20:12,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:12,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:12,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:12,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:12,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:12,548 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) [2021-12-18 01:20:12,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:12,621 INFO L93 Difference]: Finished difference Result 250 states and 303 transitions. [2021-12-18 01:20:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:12,622 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 [2021-12-18 01:20:12,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:12,624 INFO L225 Difference]: With dead ends: 250 [2021-12-18 01:20:12,624 INFO L226 Difference]: Without dead ends: 136 [2021-12-18 01:20:12,624 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 [2021-12-18 01:20:12,625 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 13 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:12,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 840 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 01:20:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-12-18 01:20:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2021-12-18 01:20:12,631 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) [2021-12-18 01:20:12,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 161 transitions. [2021-12-18 01:20:12,632 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 161 transitions. Word has length 217 [2021-12-18 01:20:12,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:12,632 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 161 transitions. [2021-12-18 01:20:12,632 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) [2021-12-18 01:20:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 161 transitions. [2021-12-18 01:20:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-18 01:20:12,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:12,635 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] [2021-12-18 01:20:12,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:12,859 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 [2021-12-18 01:20:12,860 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:12,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:12,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1598131906, now seen corresponding path program 1 times [2021-12-18 01:20:12,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:12,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745935894] [2021-12-18 01:20:12,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:12,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 01:20:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 01:20:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 01:20:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 01:20:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 01:20:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 01:20:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 6 proven. 47 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-12-18 01:20:13,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745935894] [2021-12-18 01:20:13,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745935894] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:13,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691971097] [2021-12-18 01:20:13,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:13,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:13,360 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) [2021-12-18 01:20:13,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-18 01:20:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:13,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 3076 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-18 01:20:13,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-12-18 01:20:14,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:14,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691971097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:14,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:14,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2021-12-18 01:20:14,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006305574] [2021-12-18 01:20:14,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:14,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:20:14,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:14,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:20:14,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:20:14,227 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) [2021-12-18 01:20:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:14,273 INFO L93 Difference]: Finished difference Result 226 states and 280 transitions. [2021-12-18 01:20:14,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 01:20:14,274 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 [2021-12-18 01:20:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:14,275 INFO L225 Difference]: With dead ends: 226 [2021-12-18 01:20:14,275 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:14,275 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 [2021-12-18 01:20:14,276 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 6 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:14,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 734 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 01:20:14,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:14,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:14,281 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) [2021-12-18 01:20:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 160 transitions. [2021-12-18 01:20:14,282 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 160 transitions. Word has length 219 [2021-12-18 01:20:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:14,283 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 160 transitions. [2021-12-18 01:20:14,283 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) [2021-12-18 01:20:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2021-12-18 01:20:14,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 01:20:14,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:14,284 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] [2021-12-18 01:20:14,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:14,499 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 [2021-12-18 01:20:14,499 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:14,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1516765550, now seen corresponding path program 1 times [2021-12-18 01:20:14,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:14,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604908455] [2021-12-18 01:20:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:14,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 01:20:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 01:20:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 01:20:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 01:20:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 01:20:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 01:20:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 01:20:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-18 01:20:14,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:14,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604908455] [2021-12-18 01:20:14,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604908455] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:14,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742100731] [2021-12-18 01:20:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:14,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:14,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:14,943 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) [2021-12-18 01:20:14,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-18 01:20:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:15,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:15,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-12-18 01:20:15,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:15,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742100731] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:15,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:15,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:15,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212843767] [2021-12-18 01:20:15,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:15,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:15,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:15,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:15,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:15,773 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) [2021-12-18 01:20:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:15,836 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2021-12-18 01:20:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:15,837 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 [2021-12-18 01:20:15,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:15,838 INFO L225 Difference]: With dead ends: 226 [2021-12-18 01:20:15,838 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:15,839 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 [2021-12-18 01:20:15,839 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 [2021-12-18 01:20:15,840 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] [2021-12-18 01:20:15,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:15,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:15,844 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) [2021-12-18 01:20:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2021-12-18 01:20:15,845 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 223 [2021-12-18 01:20:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:15,846 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2021-12-18 01:20:15,846 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) [2021-12-18 01:20:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2021-12-18 01:20:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-18 01:20:15,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:15,848 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] [2021-12-18 01:20:15,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:16,055 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 [2021-12-18 01:20:16,056 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:16,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:16,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1438687790, now seen corresponding path program 1 times [2021-12-18 01:20:16,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:16,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276212312] [2021-12-18 01:20:16,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:16,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 01:20:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-18 01:20:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 01:20:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 01:20:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 01:20:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-18 01:20:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-18 01:20:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 01:20:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 01:20:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 01:20:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-18 01:20:16,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:16,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276212312] [2021-12-18 01:20:16,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276212312] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:16,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241771122] [2021-12-18 01:20:16,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:16,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:16,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:16,548 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) [2021-12-18 01:20:16,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-18 01:20:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:16,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 3092 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:16,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-12-18 01:20:17,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:17,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241771122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:17,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:17,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:17,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894280689] [2021-12-18 01:20:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:17,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:17,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:17,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:17,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:17,313 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) [2021-12-18 01:20:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:17,372 INFO L93 Difference]: Finished difference Result 226 states and 276 transitions. [2021-12-18 01:20:17,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:17,375 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 [2021-12-18 01:20:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:17,376 INFO L225 Difference]: With dead ends: 226 [2021-12-18 01:20:17,376 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:17,376 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 [2021-12-18 01:20:17,377 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 [2021-12-18 01:20:17,380 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] [2021-12-18 01:20:17,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:17,385 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) [2021-12-18 01:20:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2021-12-18 01:20:17,386 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 227 [2021-12-18 01:20:17,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:17,386 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2021-12-18 01:20:17,386 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) [2021-12-18 01:20:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2021-12-18 01:20:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-18 01:20:17,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:17,388 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] [2021-12-18 01:20:17,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:17,615 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 [2021-12-18 01:20:17,616 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:17,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1444317550, now seen corresponding path program 1 times [2021-12-18 01:20:17,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:17,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120061694] [2021-12-18 01:20:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:17,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 01:20:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 01:20:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 01:20:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 01:20:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 01:20:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 01:20:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 01:20:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-18 01:20:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,073 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2021-12-18 01:20:18,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:18,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120061694] [2021-12-18 01:20:18,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120061694] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:18,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930405514] [2021-12-18 01:20:18,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:18,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:18,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:18,080 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) [2021-12-18 01:20:18,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-18 01:20:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:18,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 3100 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 01:20:18,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-12-18 01:20:18,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:18,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930405514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:18,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:18,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2021-12-18 01:20:18,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281969876] [2021-12-18 01:20:18,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:18,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 01:20:18,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:18,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 01:20:18,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-18 01:20:18,884 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) [2021-12-18 01:20:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:18,944 INFO L93 Difference]: Finished difference Result 226 states and 274 transitions. [2021-12-18 01:20:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:18,949 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 [2021-12-18 01:20:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:18,950 INFO L225 Difference]: With dead ends: 226 [2021-12-18 01:20:18,950 INFO L226 Difference]: Without dead ends: 134 [2021-12-18 01:20:18,951 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 [2021-12-18 01:20:18,952 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 [2021-12-18 01:20:18,952 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] [2021-12-18 01:20:18,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-18 01:20:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-12-18 01:20:18,957 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) [2021-12-18 01:20:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2021-12-18 01:20:18,958 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 231 [2021-12-18 01:20:18,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:18,959 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2021-12-18 01:20:18,959 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) [2021-12-18 01:20:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2021-12-18 01:20:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-18 01:20:18,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:18,961 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] [2021-12-18 01:20:18,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-18 01:20:19,163 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 [2021-12-18 01:20:19,163 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:19,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:19,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1472716574, now seen corresponding path program 1 times [2021-12-18 01:20:19,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:19,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305752611] [2021-12-18 01:20:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:19,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:19,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:19,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305752611] [2021-12-18 01:20:19,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305752611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:19,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:20:19,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 01:20:19,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934527457] [2021-12-18 01:20:19,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:19,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 01:20:19,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:19,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 01:20:19,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 01:20:19,662 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) [2021-12-18 01:20:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:20,005 INFO L93 Difference]: Finished difference Result 177 states and 205 transitions. [2021-12-18 01:20:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 01:20:20,006 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 [2021-12-18 01:20:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:20,007 INFO L225 Difference]: With dead ends: 177 [2021-12-18 01:20:20,007 INFO L226 Difference]: Without dead ends: 137 [2021-12-18 01:20:20,008 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 [2021-12-18 01:20:20,008 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 129 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:20,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 307 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 01:20:20,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-12-18 01:20:20,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2021-12-18 01:20:20,013 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) [2021-12-18 01:20:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2021-12-18 01:20:20,014 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 235 [2021-12-18 01:20:20,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:20,014 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2021-12-18 01:20:20,014 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) [2021-12-18 01:20:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2021-12-18 01:20:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-18 01:20:20,016 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:20,016 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] [2021-12-18 01:20:20,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 01:20:20,017 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:20,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1475179209, now seen corresponding path program 1 times [2021-12-18 01:20:20,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:20,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727313991] [2021-12-18 01:20:20,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:20,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:20,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:20,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727313991] [2021-12-18 01:20:20,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727313991] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:20,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951077062] [2021-12-18 01:20:20,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:20,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:20,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:20,630 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) [2021-12-18 01:20:20,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-18 01:20:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:21,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-18 01:20:21,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:21,650 INFO L388 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 11 treesize of output 7 [2021-12-18 01:20:21,654 INFO L388 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 [2021-12-18 01:20:21,752 INFO L388 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 [2021-12-18 01:20:21,761 INFO L388 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 [2021-12-18 01:20:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-18 01:20:21,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:21,958 INFO L388 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 [2021-12-18 01:20:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:21,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:22,048 INFO L388 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 [2021-12-18 01:20:22,051 INFO L388 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 [2021-12-18 01:20:22,060 INFO L388 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 [2021-12-18 01:20:22,062 INFO L388 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 18 treesize of output 16 [2021-12-18 01:20:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:22,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951077062] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 01:20:22,532 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 01:20:22,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 9] total 23 [2021-12-18 01:20:22,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884641672] [2021-12-18 01:20:22,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:22,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-18 01:20:22,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:22,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-18 01:20:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2021-12-18 01:20:22,535 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 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) [2021-12-18 01:20:23,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:23,778 INFO L93 Difference]: Finished difference Result 191 states and 222 transitions. [2021-12-18 01:20:23,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-18 01:20:23,781 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 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 236 [2021-12-18 01:20:23,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:23,782 INFO L225 Difference]: With dead ends: 191 [2021-12-18 01:20:23,782 INFO L226 Difference]: Without dead ends: 151 [2021-12-18 01:20:23,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 523 SyntacticMatches, 7 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2021-12-18 01:20:23,784 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 182 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1657 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:23,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 873 Invalid, 1770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1657 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-18 01:20:23,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-12-18 01:20:23,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2021-12-18 01:20:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 91 states have (on average 1.0879120879120878) internal successors, (99), 92 states have internal predecessors, (99), 32 states have call successors, (32), 16 states have call predecessors, (32), 16 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-18 01:20:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2021-12-18 01:20:23,791 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 236 [2021-12-18 01:20:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:23,791 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2021-12-18 01:20:23,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.681818181818182) internal successors, (103), 19 states have internal predecessors, (103), 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) [2021-12-18 01:20:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2021-12-18 01:20:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-18 01:20:23,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:23,793 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, 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] [2021-12-18 01:20:23,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:23,993 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 [2021-12-18 01:20:23,994 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:23,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash 963785753, now seen corresponding path program 1 times [2021-12-18 01:20:23,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:23,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619720540] [2021-12-18 01:20:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:23,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 01:20:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:24,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:24,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619720540] [2021-12-18 01:20:24,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619720540] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:24,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226823160] [2021-12-18 01:20:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:24,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:24,494 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) [2021-12-18 01:20:24,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-18 01:20:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:24,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 3159 conjuncts, 69 conjunts are in the unsatisfiable core [2021-12-18 01:20:24,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:25,127 INFO L388 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 [2021-12-18 01:20:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:25,651 INFO L388 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 [2021-12-18 01:20:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 176 proven. 9 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-12-18 01:20:26,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:28,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226823160] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:28,154 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:20:28,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 24 [2021-12-18 01:20:28,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147862860] [2021-12-18 01:20:28,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:28,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 01:20:28,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:28,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 01:20:28,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1079, Unknown=1, NotChecked=0, Total=1190 [2021-12-18 01:20:28,156 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2021-12-18 01:20:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:28,939 INFO L93 Difference]: Finished difference Result 295 states and 341 transitions. [2021-12-18 01:20:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-18 01:20:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) Word has length 243 [2021-12-18 01:20:28,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:28,941 INFO L225 Difference]: With dead ends: 295 [2021-12-18 01:20:28,941 INFO L226 Difference]: Without dead ends: 194 [2021-12-18 01:20:28,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 440 SyntacticMatches, 14 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=184, Invalid=1885, Unknown=1, NotChecked=0, Total=2070 [2021-12-18 01:20:28,943 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 151 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 539 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:28,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 1062 Invalid, 1189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 555 Invalid, 0 Unknown, 539 Unchecked, 0.4s Time] [2021-12-18 01:20:28,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-18 01:20:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2021-12-18 01:20:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 125 states have (on average 1.088) internal successors, (136), 125 states have internal predecessors, (136), 38 states have call successors, (38), 23 states have call predecessors, (38), 22 states have return successors, (39), 37 states have call predecessors, (39), 37 states have call successors, (39) [2021-12-18 01:20:28,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2021-12-18 01:20:28,967 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 243 [2021-12-18 01:20:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:28,968 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2021-12-18 01:20:28,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.739130434782608) internal successors, (178), 19 states have internal predecessors, (178), 9 states have call successors, (52), 6 states have call predecessors, (52), 10 states have return successors, (52), 10 states have call predecessors, (52), 9 states have call successors, (52) [2021-12-18 01:20:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2021-12-18 01:20:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-18 01:20:28,969 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:28,970 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] [2021-12-18 01:20:28,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:29,195 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 [2021-12-18 01:20:29,196 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:29,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1496271088, now seen corresponding path program 1 times [2021-12-18 01:20:29,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:29,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342395275] [2021-12-18 01:20:29,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:29,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 01:20:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:29,723 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:29,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:29,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342395275] [2021-12-18 01:20:29,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342395275] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:29,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197803550] [2021-12-18 01:20:29,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:29,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:29,725 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) [2021-12-18 01:20:29,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-18 01:20:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:30,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 3183 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-18 01:20:30,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:30,469 INFO L388 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 [2021-12-18 01:20:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 165 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-18 01:20:31,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-12-18 01:20:31,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197803550] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 01:20:31,966 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 01:20:31,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 10] total 27 [2021-12-18 01:20:31,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965792741] [2021-12-18 01:20:31,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:31,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-18 01:20:31,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:31,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-18 01:20:31,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-12-18 01:20:31,968 INFO L87 Difference]: Start difference. First operand 186 states and 213 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) [2021-12-18 01:20:33,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:33,753 INFO L93 Difference]: Finished difference Result 370 states and 437 transitions. [2021-12-18 01:20:33,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-18 01:20:33,753 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 [2021-12-18 01:20:33,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:33,756 INFO L225 Difference]: With dead ends: 370 [2021-12-18 01:20:33,757 INFO L226 Difference]: Without dead ends: 295 [2021-12-18 01:20:33,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 542 SyntacticMatches, 3 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=243, Invalid=1827, Unknown=0, NotChecked=0, Total=2070 [2021-12-18 01:20:33,758 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 301 mSDsluCounter, 1402 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 3004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 660 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:33,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 1580 Invalid, 3004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 2177 Invalid, 0 Unknown, 660 Unchecked, 1.3s Time] [2021-12-18 01:20:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-12-18 01:20:33,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 245. [2021-12-18 01:20:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 169 states have (on average 1.0946745562130178) internal successors, (185), 170 states have internal predecessors, (185), 46 states have call successors, (46), 29 states have call predecessors, (46), 29 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2021-12-18 01:20:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 280 transitions. [2021-12-18 01:20:33,772 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 280 transitions. Word has length 244 [2021-12-18 01:20:33,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:33,773 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 280 transitions. [2021-12-18 01:20:33,773 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) [2021-12-18 01:20:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 280 transitions. [2021-12-18 01:20:33,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-18 01:20:33,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:33,775 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] [2021-12-18 01:20:33,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:33,983 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 [2021-12-18 01:20:33,983 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:33,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1003857093, now seen corresponding path program 1 times [2021-12-18 01:20:33,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:33,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612106455] [2021-12-18 01:20:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:33,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 01:20:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:34,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:34,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612106455] [2021-12-18 01:20:34,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612106455] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:34,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979146819] [2021-12-18 01:20:34,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:34,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:34,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:34,468 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) [2021-12-18 01:20:34,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-18 01:20:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:35,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 47 conjunts are in the unsatisfiable core [2021-12-18 01:20:35,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:35,164 INFO L388 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 [2021-12-18 01:20:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:35,695 INFO L388 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 [2021-12-18 01:20:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 175 proven. 5 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-18 01:20:36,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:37,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979146819] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:37,875 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:20:37,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 24 [2021-12-18 01:20:37,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303006999] [2021-12-18 01:20:37,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:37,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 01:20:37,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:37,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 01:20:37,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1015, Unknown=1, NotChecked=0, Total=1122 [2021-12-18 01:20:37,877 INFO L87 Difference]: Start difference. First operand 245 states and 280 transitions. Second operand has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) [2021-12-18 01:20:38,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:38,847 INFO L93 Difference]: Finished difference Result 428 states and 492 transitions. [2021-12-18 01:20:38,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-18 01:20:38,848 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) Word has length 245 [2021-12-18 01:20:38,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:38,850 INFO L225 Difference]: With dead ends: 428 [2021-12-18 01:20:38,850 INFO L226 Difference]: Without dead ends: 258 [2021-12-18 01:20:38,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 448 SyntacticMatches, 13 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=177, Invalid=1802, Unknown=1, NotChecked=0, Total=1980 [2021-12-18 01:20:38,852 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 157 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1059 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:38,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 1112 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 994 Invalid, 0 Unknown, 1059 Unchecked, 0.7s Time] [2021-12-18 01:20:38,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-12-18 01:20:38,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 255. [2021-12-18 01:20:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 177 states have (on average 1.0903954802259888) internal successors, (193), 177 states have internal predecessors, (193), 47 states have call successors, (47), 30 states have call predecessors, (47), 30 states have return successors, (50), 47 states have call predecessors, (50), 46 states have call successors, (50) [2021-12-18 01:20:38,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2021-12-18 01:20:38,867 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 245 [2021-12-18 01:20:38,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:38,867 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2021-12-18 01:20:38,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.695652173913044) internal successors, (177), 19 states have internal predecessors, (177), 8 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 9 states have call predecessors, (52), 8 states have call successors, (52) [2021-12-18 01:20:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2021-12-18 01:20:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-18 01:20:38,870 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:38,870 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, 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] [2021-12-18 01:20:38,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2021-12-18 01:20:39,095 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 [2021-12-18 01:20:39,096 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:39,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1920336082, now seen corresponding path program 1 times [2021-12-18 01:20:39,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:39,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52241953] [2021-12-18 01:20:39,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:39,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 01:20:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:39,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:39,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52241953] [2021-12-18 01:20:39,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52241953] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:39,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870764195] [2021-12-18 01:20:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:39,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:39,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:39,631 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) [2021-12-18 01:20:39,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-18 01:20:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:40,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-18 01:20:40,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:40,204 INFO L388 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 [2021-12-18 01:20:40,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:40,713 INFO L388 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 [2021-12-18 01:20:41,257 INFO L388 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 [2021-12-18 01:20:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-18 01:20:41,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:20:41,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870764195] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:41,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:20:41,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2021-12-18 01:20:41,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865213210] [2021-12-18 01:20:41,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:41,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 01:20:41,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 01:20:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2021-12-18 01:20:41,298 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2021-12-18 01:20:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:41,398 INFO L93 Difference]: Finished difference Result 353 states and 396 transitions. [2021-12-18 01:20:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 01:20:41,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) Word has length 246 [2021-12-18 01:20:41,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:41,400 INFO L225 Difference]: With dead ends: 353 [2021-12-18 01:20:41,401 INFO L226 Difference]: Without dead ends: 301 [2021-12-18 01:20:41,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 287 SyntacticMatches, 20 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2021-12-18 01:20:41,401 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 22 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:41,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 675 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 60 Unchecked, 0.1s Time] [2021-12-18 01:20:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-18 01:20:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 295. [2021-12-18 01:20:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 208 states have (on average 1.0913461538461537) internal successors, (227), 209 states have internal predecessors, (227), 50 states have call successors, (50), 34 states have call predecessors, (50), 36 states have return successors, (55), 51 states have call predecessors, (55), 49 states have call successors, (55) [2021-12-18 01:20:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 332 transitions. [2021-12-18 01:20:41,424 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 332 transitions. Word has length 246 [2021-12-18 01:20:41,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:41,426 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 332 transitions. [2021-12-18 01:20:41,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 states have internal predecessors, (75), 7 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2021-12-18 01:20:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 332 transitions. [2021-12-18 01:20:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-18 01:20:41,427 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:41,428 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] [2021-12-18 01:20:41,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:41,643 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 [2021-12-18 01:20:41,643 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:41,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:41,644 INFO L85 PathProgramCache]: Analyzing trace with hash -111002738, now seen corresponding path program 1 times [2021-12-18 01:20:41,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:41,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449399339] [2021-12-18 01:20:41,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:41,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:41,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 01:20:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:42,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:42,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449399339] [2021-12-18 01:20:42,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449399339] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:42,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226157720] [2021-12-18 01:20:42,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:42,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:42,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:42,156 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) [2021-12-18 01:20:42,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-18 01:20:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:42,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 3226 conjuncts, 61 conjunts are in the unsatisfiable core [2021-12-18 01:20:42,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:42,743 INFO L388 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 [2021-12-18 01:20:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:43,217 INFO L388 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 [2021-12-18 01:20:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-18 01:20:44,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:45,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226157720] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:45,518 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:20:45,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 26 [2021-12-18 01:20:45,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7907842] [2021-12-18 01:20:45,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:45,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-18 01:20:45,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:45,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-18 01:20:45,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1216, Unknown=1, NotChecked=0, Total=1332 [2021-12-18 01:20:45,521 INFO L87 Difference]: Start difference. First operand 295 states and 332 transitions. Second operand has 26 states, 24 states have (on average 6.75) internal successors, (162), 21 states have internal predecessors, (162), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:46,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:46,194 INFO L93 Difference]: Finished difference Result 385 states and 432 transitions. [2021-12-18 01:20:46,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-18 01:20:46,195 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.75) internal successors, (162), 21 states have internal predecessors, (162), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) Word has length 246 [2021-12-18 01:20:46,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:46,196 INFO L225 Difference]: With dead ends: 385 [2021-12-18 01:20:46,197 INFO L226 Difference]: Without dead ends: 302 [2021-12-18 01:20:46,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 443 SyntacticMatches, 18 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=185, Invalid=2166, Unknown=1, NotChecked=0, Total=2352 [2021-12-18 01:20:46,199 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 104 mSDsluCounter, 1276 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1413 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 619 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:46,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 1413 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 564 Invalid, 0 Unknown, 619 Unchecked, 0.4s Time] [2021-12-18 01:20:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-12-18 01:20:46,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 300. [2021-12-18 01:20:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 212 states have (on average 1.080188679245283) internal successors, (229), 213 states have internal predecessors, (229), 50 states have call successors, (50), 35 states have call predecessors, (50), 37 states have return successors, (55), 51 states have call predecessors, (55), 49 states have call successors, (55) [2021-12-18 01:20:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 334 transitions. [2021-12-18 01:20:46,239 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 334 transitions. Word has length 246 [2021-12-18 01:20:46,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:46,240 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 334 transitions. [2021-12-18 01:20:46,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.75) internal successors, (162), 21 states have internal predecessors, (162), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:46,240 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 334 transitions. [2021-12-18 01:20:46,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-18 01:20:46,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:46,243 INFO L514 BasicCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1] [2021-12-18 01:20:46,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:46,443 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 [2021-12-18 01:20:46,443 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:46,444 INFO L85 PathProgramCache]: Analyzing trace with hash -644899881, now seen corresponding path program 1 times [2021-12-18 01:20:46,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:46,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701514212] [2021-12-18 01:20:46,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:46,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-18 01:20:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:47,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701514212] [2021-12-18 01:20:47,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701514212] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:47,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032980025] [2021-12-18 01:20:47,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:47,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:47,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:47,040 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:20:47,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-18 01:20:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:47,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 3250 conjuncts, 82 conjunts are in the unsatisfiable core [2021-12-18 01:20:47,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:47,664 INFO L388 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 [2021-12-18 01:20:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:48,126 INFO L388 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 [2021-12-18 01:20:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2021-12-18 01:20:49,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:49,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2021-12-18 01:20:49,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-18 01:20:51,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032980025] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:51,030 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:20:51,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21] total 31 [2021-12-18 01:20:51,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105544342] [2021-12-18 01:20:51,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:51,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-18 01:20:51,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:51,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-18 01:20:51,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1911, Unknown=1, NotChecked=0, Total=2070 [2021-12-18 01:20:51,032 INFO L87 Difference]: Start difference. First operand 300 states and 334 transitions. Second operand has 31 states, 30 states have (on average 5.366666666666666) internal successors, (161), 26 states have internal predecessors, (161), 9 states have call successors, (49), 5 states have call predecessors, (49), 8 states have return successors, (50), 11 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:51,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:51,836 INFO L93 Difference]: Finished difference Result 384 states and 428 transitions. [2021-12-18 01:20:51,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-18 01:20:51,838 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 5.366666666666666) internal successors, (161), 26 states have internal predecessors, (161), 9 states have call successors, (49), 5 states have call predecessors, (49), 8 states have return successors, (50), 11 states have call predecessors, (50), 9 states have call successors, (50) Word has length 247 [2021-12-18 01:20:51,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:51,840 INFO L225 Difference]: With dead ends: 384 [2021-12-18 01:20:51,840 INFO L226 Difference]: Without dead ends: 306 [2021-12-18 01:20:51,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 437 SyntacticMatches, 18 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=241, Invalid=3298, Unknown=1, NotChecked=0, Total=3540 [2021-12-18 01:20:51,842 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 103 mSDsluCounter, 1552 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1689 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 845 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:51,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 1689 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 615 Invalid, 0 Unknown, 845 Unchecked, 0.4s Time] [2021-12-18 01:20:51,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-18 01:20:51,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2021-12-18 01:20:51,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 213 states have (on average 1.0704225352112675) internal successors, (228), 214 states have internal predecessors, (228), 50 states have call successors, (50), 35 states have call predecessors, (50), 37 states have return successors, (55), 51 states have call predecessors, (55), 49 states have call successors, (55) [2021-12-18 01:20:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 333 transitions. [2021-12-18 01:20:51,859 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 333 transitions. Word has length 247 [2021-12-18 01:20:51,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:51,860 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 333 transitions. [2021-12-18 01:20:51,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 5.366666666666666) internal successors, (161), 26 states have internal predecessors, (161), 9 states have call successors, (49), 5 states have call predecessors, (49), 8 states have return successors, (50), 11 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:51,860 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 333 transitions. [2021-12-18 01:20:51,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 01:20:51,862 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:51,862 INFO L514 BasicCegarLoop]: trace histogram [7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:20:51,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-12-18 01:20:52,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:52,079 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:52,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:52,079 INFO L85 PathProgramCache]: Analyzing trace with hash 619150382, now seen corresponding path program 1 times [2021-12-18 01:20:52,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:52,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193729089] [2021-12-18 01:20:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:52,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 01:20:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-18 01:20:52,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:52,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193729089] [2021-12-18 01:20:52,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193729089] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:52,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929484518] [2021-12-18 01:20:52,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:52,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:52,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:52,671 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:20:52,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-18 01:20:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:53,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 61 conjunts are in the unsatisfiable core [2021-12-18 01:20:53,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:53,310 INFO L388 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 [2021-12-18 01:20:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:20:53,819 INFO L388 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 [2021-12-18 01:20:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2021-12-18 01:20:54,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:20:56,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929484518] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:56,632 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:20:56,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-12-18 01:20:56,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726709682] [2021-12-18 01:20:56,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:20:56,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-18 01:20:56,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:56,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-18 01:20:56,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1359, Unknown=2, NotChecked=0, Total=1482 [2021-12-18 01:20:56,634 INFO L87 Difference]: Start difference. First operand 301 states and 333 transitions. Second operand has 28 states, 26 states have (on average 6.3076923076923075) internal successors, (164), 23 states have internal predecessors, (164), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:57,356 INFO L93 Difference]: Finished difference Result 374 states and 413 transitions. [2021-12-18 01:20:57,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-18 01:20:57,356 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 6.3076923076923075) internal successors, (164), 23 states have internal predecessors, (164), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) Word has length 248 [2021-12-18 01:20:57,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:57,358 INFO L225 Difference]: With dead ends: 374 [2021-12-18 01:20:57,358 INFO L226 Difference]: Without dead ends: 283 [2021-12-18 01:20:57,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 447 SyntacticMatches, 17 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=203, Invalid=2551, Unknown=2, NotChecked=0, Total=2756 [2021-12-18 01:20:57,360 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 98 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 700 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:57,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 1213 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 523 Invalid, 0 Unknown, 700 Unchecked, 0.4s Time] [2021-12-18 01:20:57,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-12-18 01:20:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2021-12-18 01:20:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.0618556701030928) internal successors, (206), 195 states have internal predecessors, (206), 49 states have call successors, (49), 35 states have call predecessors, (49), 35 states have return successors, (52), 48 states have call predecessors, (52), 48 states have call successors, (52) [2021-12-18 01:20:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 307 transitions. [2021-12-18 01:20:57,376 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 307 transitions. Word has length 248 [2021-12-18 01:20:57,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:57,377 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 307 transitions. [2021-12-18 01:20:57,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 6.3076923076923075) internal successors, (164), 23 states have internal predecessors, (164), 9 states have call successors, (50), 5 states have call predecessors, (50), 8 states have return successors, (50), 10 states have call predecessors, (50), 9 states have call successors, (50) [2021-12-18 01:20:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 307 transitions. [2021-12-18 01:20:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 01:20:57,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:57,379 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:20:57,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-12-18 01:20:57,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-18 01:20:57,595 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:57,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1701409253, now seen corresponding path program 1 times [2021-12-18 01:20:57,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:57,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773711438] [2021-12-18 01:20:57,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:57,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 01:20:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 01:20:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-12-18 01:20:58,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:58,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773711438] [2021-12-18 01:20:58,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773711438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:20:58,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 01:20:58,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 01:20:58,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358331376] [2021-12-18 01:20:58,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:20:58,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:20:58,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:20:58,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:20:58,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-18 01:20:58,031 INFO L87 Difference]: Start difference. First operand 279 states and 307 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-18 01:20:58,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:20:58,477 INFO L93 Difference]: Finished difference Result 337 states and 369 transitions. [2021-12-18 01:20:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 01:20:58,478 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 267 [2021-12-18 01:20:58,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:20:58,479 INFO L225 Difference]: With dead ends: 337 [2021-12-18 01:20:58,479 INFO L226 Difference]: Without dead ends: 279 [2021-12-18 01:20:58,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-12-18 01:20:58,480 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 124 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 01:20:58,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 413 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 01:20:58,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-12-18 01:20:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2021-12-18 01:20:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 194 states have (on average 1.056701030927835) internal successors, (205), 195 states have internal predecessors, (205), 49 states have call successors, (49), 35 states have call predecessors, (49), 35 states have return successors, (52), 48 states have call predecessors, (52), 48 states have call successors, (52) [2021-12-18 01:20:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 306 transitions. [2021-12-18 01:20:58,505 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 306 transitions. Word has length 267 [2021-12-18 01:20:58,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:20:58,507 INFO L470 AbstractCegarLoop]: Abstraction has 279 states and 306 transitions. [2021-12-18 01:20:58,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-18 01:20:58,507 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 306 transitions. [2021-12-18 01:20:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 01:20:58,509 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:20:58,509 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:20:58,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 01:20:58,510 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:20:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:20:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1724041507, now seen corresponding path program 1 times [2021-12-18 01:20:58,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:20:58,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531589844] [2021-12-18 01:20:58,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:58,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:20:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:20:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:20:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:20:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:20:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:20:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:20:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:20:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:20:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:20:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:20:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:20:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:20:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:20:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:20:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:20:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:20:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:20:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 01:20:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-18 01:20:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-18 01:20:59,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:20:59,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531589844] [2021-12-18 01:20:59,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531589844] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:20:59,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182830039] [2021-12-18 01:20:59,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:20:59,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:20:59,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:20:59,107 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:20:59,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-12-18 01:20:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:20:59,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 3336 conjuncts, 69 conjunts are in the unsatisfiable core [2021-12-18 01:20:59,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:20:59,770 INFO L388 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 [2021-12-18 01:21:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:21:00,322 INFO L388 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 [2021-12-18 01:21:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 107 proven. 9 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-12-18 01:21:01,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 01:21:02,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182830039] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:21:02,946 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 01:21:02,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-12-18 01:21:02,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301361737] [2021-12-18 01:21:02,946 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 01:21:02,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-18 01:21:02,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-18 01:21:02,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1754, Unknown=1, NotChecked=0, Total=1892 [2021-12-18 01:21:02,948 INFO L87 Difference]: Start difference. First operand 279 states and 306 transitions. Second operand has 32 states, 30 states have (on average 6.1) internal successors, (183), 26 states have internal predecessors, (183), 10 states have call successors, (56), 7 states have call predecessors, (56), 10 states have return successors, (56), 11 states have call predecessors, (56), 10 states have call successors, (56) [2021-12-18 01:21:04,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:04,007 INFO L93 Difference]: Finished difference Result 413 states and 458 transitions. [2021-12-18 01:21:04,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-18 01:21:04,008 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 6.1) internal successors, (183), 26 states have internal predecessors, (183), 10 states have call successors, (56), 7 states have call predecessors, (56), 10 states have return successors, (56), 11 states have call predecessors, (56), 10 states have call successors, (56) Word has length 267 [2021-12-18 01:21:04,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:04,010 INFO L225 Difference]: With dead ends: 413 [2021-12-18 01:21:04,010 INFO L226 Difference]: Without dead ends: 307 [2021-12-18 01:21:04,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 487 SyntacticMatches, 17 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=268, Invalid=3513, Unknown=1, NotChecked=0, Total=3782 [2021-12-18 01:21:04,012 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 180 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 723 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:04,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 1117 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 749 Invalid, 0 Unknown, 723 Unchecked, 0.5s Time] [2021-12-18 01:21:04,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2021-12-18 01:21:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 304. [2021-12-18 01:21:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 214 states have (on average 1.0654205607476634) internal successors, (228), 214 states have internal predecessors, (228), 51 states have call successors, (51), 39 states have call predecessors, (51), 38 states have return successors, (57), 50 states have call predecessors, (57), 50 states have call successors, (57) [2021-12-18 01:21:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 336 transitions. [2021-12-18 01:21:04,032 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 336 transitions. Word has length 267 [2021-12-18 01:21:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:04,032 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 336 transitions. [2021-12-18 01:21:04,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 6.1) internal successors, (183), 26 states have internal predecessors, (183), 10 states have call successors, (56), 7 states have call predecessors, (56), 10 states have return successors, (56), 11 states have call predecessors, (56), 10 states have call successors, (56) [2021-12-18 01:21:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 336 transitions. [2021-12-18 01:21:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 01:21:04,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:04,034 INFO L514 BasicCegarLoop]: trace histogram [9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:04,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2021-12-18 01:21:04,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-18 01:21:04,244 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:04,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:04,244 INFO L85 PathProgramCache]: Analyzing trace with hash 703711404, now seen corresponding path program 1 times [2021-12-18 01:21:04,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:04,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468122745] [2021-12-18 01:21:04,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:04,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:21:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:21:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:21:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:21:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:21:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:21:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:21:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:21:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:21:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:21:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 01:21:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 01:21:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-18 01:21:04,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:04,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468122745] [2021-12-18 01:21:04,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468122745] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:21:04,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141279313] [2021-12-18 01:21:04,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:04,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:04,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:04,948 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:21:04,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-12-18 01:21:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:05,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 56 conjunts are in the unsatisfiable core [2021-12-18 01:21:05,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:21:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-12-18 01:21:05,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:21:05,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141279313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:21:05,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:21:05,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 23 [2021-12-18 01:21:05,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730259180] [2021-12-18 01:21:05,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:21:05,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:21:05,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:05,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:21:05,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2021-12-18 01:21:05,903 INFO L87 Difference]: Start difference. First operand 304 states and 336 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-18 01:21:06,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:06,012 INFO L93 Difference]: Finished difference Result 544 states and 606 transitions. [2021-12-18 01:21:06,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 01:21:06,013 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 268 [2021-12-18 01:21:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:06,017 INFO L225 Difference]: With dead ends: 544 [2021-12-18 01:21:06,017 INFO L226 Difference]: Without dead ends: 345 [2021-12-18 01:21:06,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-12-18 01:21:06,021 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 25 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:06,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 1022 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 01:21:06,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-12-18 01:21:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 332. [2021-12-18 01:21:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 239 states have (on average 1.0627615062761506) internal successors, (254), 240 states have internal predecessors, (254), 51 states have call successors, (51), 39 states have call predecessors, (51), 41 states have return successors, (60), 52 states have call predecessors, (60), 50 states have call successors, (60) [2021-12-18 01:21:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 365 transitions. [2021-12-18 01:21:06,042 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 365 transitions. Word has length 268 [2021-12-18 01:21:06,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:06,042 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 365 transitions. [2021-12-18 01:21:06,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2021-12-18 01:21:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 365 transitions. [2021-12-18 01:21:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 01:21:06,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:06,045 INFO L514 BasicCegarLoop]: trace histogram [9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:06,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-12-18 01:21:06,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-18 01:21:06,258 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:06,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash 744386154, now seen corresponding path program 1 times [2021-12-18 01:21:06,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:06,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813942759] [2021-12-18 01:21:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:06,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:21:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:21:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:21:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:21:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:21:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:21:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:21:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:21:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:21:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:21:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 01:21:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 01:21:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-18 01:21:06,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:06,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813942759] [2021-12-18 01:21:06,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813942759] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:21:06,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241569274] [2021-12-18 01:21:06,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:06,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:06,935 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:21:06,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-12-18 01:21:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:07,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 3345 conjuncts, 57 conjunts are in the unsatisfiable core [2021-12-18 01:21:07,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:21:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2021-12-18 01:21:07,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:21:07,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241569274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:21:07,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:21:07,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 23 [2021-12-18 01:21:07,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393391896] [2021-12-18 01:21:07,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:21:07,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 01:21:07,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:07,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 01:21:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-12-18 01:21:07,908 INFO L87 Difference]: Start difference. First operand 332 states and 365 transitions. Second operand has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:21:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:08,068 INFO L93 Difference]: Finished difference Result 417 states and 458 transitions. [2021-12-18 01:21:08,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 01:21:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 268 [2021-12-18 01:21:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:08,071 INFO L225 Difference]: With dead ends: 417 [2021-12-18 01:21:08,071 INFO L226 Difference]: Without dead ends: 319 [2021-12-18 01:21:08,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-12-18 01:21:08,072 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 13 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:08,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 995 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 01:21:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-12-18 01:21:08,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 313. [2021-12-18 01:21:08,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 223 states have (on average 1.053811659192825) internal successors, (235), 226 states have internal predecessors, (235), 49 states have call successors, (49), 37 states have call predecessors, (49), 40 states have return successors, (55), 49 states have call predecessors, (55), 48 states have call successors, (55) [2021-12-18 01:21:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 339 transitions. [2021-12-18 01:21:08,093 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 339 transitions. Word has length 268 [2021-12-18 01:21:08,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:08,094 INFO L470 AbstractCegarLoop]: Abstraction has 313 states and 339 transitions. [2021-12-18 01:21:08,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2021-12-18 01:21:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 339 transitions. [2021-12-18 01:21:08,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-18 01:21:08,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 01:21:08,096 INFO L514 BasicCegarLoop]: trace histogram [9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:08,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-12-18 01:21:08,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:08,315 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 01:21:08,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 01:21:08,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1487879320, now seen corresponding path program 2 times [2021-12-18 01:21:08,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 01:21:08,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700617411] [2021-12-18 01:21:08,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 01:21:08,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 01:21:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 01:21:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 01:21:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 01:21:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 01:21:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 01:21:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 01:21:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 01:21:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 01:21:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 01:21:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 01:21:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 01:21:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 01:21:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 01:21:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-18 01:21:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 01:21:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 01:21:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 01:21:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 01:21:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 01:21:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 01:21:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-12-18 01:21:08,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 01:21:08,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700617411] [2021-12-18 01:21:08,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700617411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 01:21:08,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743880381] [2021-12-18 01:21:08,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 01:21:08,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 01:21:08,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 01:21:08,928 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 01:21:08,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-12-18 01:21:10,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 01:21:10,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 01:21:10,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 3350 conjuncts, 85 conjunts are in the unsatisfiable core [2021-12-18 01:21:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 01:21:10,309 INFO L388 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 [2021-12-18 01:21:10,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-18 01:21:10,827 INFO L388 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 [2021-12-18 01:21:11,654 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-18 01:21:11,658 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-12-18 01:21:11,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 1 [2021-12-18 01:21:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-12-18 01:21:11,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 01:21:11,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743880381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 01:21:11,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 01:21:11,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [16] total 32 [2021-12-18 01:21:11,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681322423] [2021-12-18 01:21:11,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 01:21:11,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 01:21:11,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 01:21:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 01:21:11,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2021-12-18 01:21:11,720 INFO L87 Difference]: Start difference. First operand 313 states and 339 transitions. Second operand has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 15 states have internal predecessors, (107), 9 states have call successors, (31), 3 states have call predecessors, (31), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) [2021-12-18 01:21:11,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 01:21:11,783 INFO L93 Difference]: Finished difference Result 323 states and 348 transitions. [2021-12-18 01:21:11,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 01:21:11,792 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 15 states have internal predecessors, (107), 9 states have call successors, (31), 3 states have call predecessors, (31), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) Word has length 268 [2021-12-18 01:21:11,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 01:21:11,792 INFO L225 Difference]: With dead ends: 323 [2021-12-18 01:21:11,793 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 01:21:11,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 309 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=904, Unknown=0, NotChecked=0, Total=992 [2021-12-18 01:21:11,794 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 18 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 220 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 01:21:11,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 625 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 220 Unchecked, 0.1s Time] [2021-12-18 01:21:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 01:21:11,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 01:21:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 01:21:11,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 01:21:11,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2021-12-18 01:21:11,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 01:21:11,797 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 01:21:11,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.294117647058823) internal successors, (107), 15 states have internal predecessors, (107), 9 states have call successors, (31), 3 states have call predecessors, (31), 8 states have return successors, (31), 12 states have call predecessors, (31), 9 states have call successors, (31) [2021-12-18 01:21:11,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 01:21:11,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 01:21:11,800 INFO L764 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-18 01:21:11,801 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-18 01:21:11,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-12-18 01:21:12,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-12-18 01:21:12,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-18 01:21:13,132 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-18 01:21:13,132 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-18 01:21:13,132 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-18 01:21:13,132 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-18 01:21:13,132 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= |#valid| |old(#valid)|) (= |#length| |old(#length)|))) [2021-12-18 01:21:13,132 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L854 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (= aws_atomic_load_ptr_explicit_~memory_order ~aws_memory_order~0~aws_memory_order_seq_cst) (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|) 8))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0))) (not (= |aws_atomic_load_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst))) [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point L7069-2(lines 7061 7074) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7061 7074) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point L7069(lines 7069 7073) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L861 garLoopResultBuilder]: At program point L7062(lines 7062 7064) the Hoare annotation is: true [2021-12-18 01:21:13,133 INFO L861 garLoopResultBuilder]: At program point aws_mem_releaseENTRY(lines 7061 7074) the Hoare annotation is: true [2021-12-18 01:21:13,133 INFO L858 garLoopResultBuilder]: For program point L7065-1(lines 7065 7067) no Hoare annotation was computed. [2021-12-18 01:21:13,133 INFO L861 garLoopResultBuilder]: At program point L7065(lines 7065 7067) the Hoare annotation is: true [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point L7062-1(lines 7062 7064) no Hoare annotation was computed. [2021-12-18 01:21:13,134 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2021-12-18 01:21:13,134 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2021-12-18 01:21:13,134 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2021-12-18 01:21:13,135 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2021-12-18 01:21:13,135 INFO L861 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2021-12-18 01:21:13,135 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-18 01:21:13,135 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-18 01:21:13,135 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-18 01:21:13,135 INFO L854 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|) 8))) (= aws_atomic_store_ptr_explicit_~memory_order |aws_atomic_store_ptr_explicit_#in~memory_order|) (not (<= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (not (<= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_store_ptr_explicit_#in~memory_order|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0)))) [2021-12-18 01:21:13,135 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2021-12-18 01:21:13,136 INFO L861 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-12-18 01:21:13,137 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2021-12-18 01:21:13,137 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L861 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-18 01:21:13,138 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2021-12-18 01:21:13,138 INFO L858 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L854 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|) 8))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0))) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~tail~1.base 0))) [2021-12-18 01:21:13,139 INFO L854 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|) 8))) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0)))) [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2021-12-18 01:21:13,139 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2021-12-18 01:21:13,140 INFO L854 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|) 8))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0))) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~tail~1.base 0))) [2021-12-18 01:21:13,140 INFO L858 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2021-12-18 01:21:13,140 INFO L858 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2021-12-18 01:21:13,140 INFO L854 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (not (< 0 |#StackHeapBarrier|)) (and (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_59| Int)) (= 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_59|) 8))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_81|) 8) 0)))) [2021-12-18 01:21:13,140 INFO L858 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2021-12-18 01:21:13,140 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2021-12-18 01:21:13,140 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-18 01:21:13,141 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-18 01:21:13,141 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-18 01:21:13,141 INFO L854 garLoopResultBuilder]: At program point L9218-1(line 9218) the Hoare annotation is: false [2021-12-18 01:21:13,141 INFO L858 garLoopResultBuilder]: For program point L9218-2(lines 9218 9220) no Hoare annotation was computed. [2021-12-18 01:21:13,141 INFO L854 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,141 INFO L854 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,141 INFO L854 garLoopResultBuilder]: At program point L9206-1(line 9206) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (+ |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 8)) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|)) [2021-12-18 01:21:13,142 INFO L858 garLoopResultBuilder]: For program point L9206-2(line 9206) no Hoare annotation was computed. [2021-12-18 01:21:13,142 INFO L858 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2021-12-18 01:21:13,142 INFO L854 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|)) [2021-12-18 01:21:13,142 INFO L854 garLoopResultBuilder]: At program point L9206(line 9206) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,142 INFO L858 garLoopResultBuilder]: For program point L8620(lines 8620 8622) no Hoare annotation was computed. [2021-12-18 01:21:13,142 INFO L858 garLoopResultBuilder]: For program point L8624(line 8624) no Hoare annotation was computed. [2021-12-18 01:21:13,142 INFO L858 garLoopResultBuilder]: For program point L8624-1(line 8624) no Hoare annotation was computed. [2021-12-18 01:21:13,143 INFO L854 garLoopResultBuilder]: At program point L8624-2(lines 8618 8625) the Hoare annotation is: false [2021-12-18 01:21:13,143 INFO L858 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2021-12-18 01:21:13,143 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,143 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,143 INFO L854 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|)) [2021-12-18 01:21:13,143 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,143 INFO L854 garLoopResultBuilder]: At program point L9215(lines 9215 9217) the Hoare annotation is: false [2021-12-18 01:21:13,143 INFO L858 garLoopResultBuilder]: For program point L9215-1(lines 9215 9217) no Hoare annotation was computed. [2021-12-18 01:21:13,144 INFO L858 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2021-12-18 01:21:13,144 INFO L854 garLoopResultBuilder]: At program point L8621(line 8621) the Hoare annotation is: false [2021-12-18 01:21:13,144 INFO L858 garLoopResultBuilder]: For program point L8621-1(line 8621) no Hoare annotation was computed. [2021-12-18 01:21:13,144 INFO L861 garLoopResultBuilder]: At program point L9228(line 9228) the Hoare annotation is: true [2021-12-18 01:21:13,144 INFO L858 garLoopResultBuilder]: For program point L9199(lines 9199 9227) no Hoare annotation was computed. [2021-12-18 01:21:13,144 INFO L854 garLoopResultBuilder]: At program point L9224(lines 9224 9226) the Hoare annotation is: false [2021-12-18 01:21:13,144 INFO L858 garLoopResultBuilder]: For program point L9224-1(lines 9224 9226) no Hoare annotation was computed. [2021-12-18 01:21:13,144 INFO L858 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2021-12-18 01:21:13,145 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-18 01:21:13,145 INFO L854 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,145 INFO L854 garLoopResultBuilder]: At program point L9212(lines 9212 9214) the Hoare annotation is: false [2021-12-18 01:21:13,145 INFO L858 garLoopResultBuilder]: For program point L9212-1(lines 9212 9214) no Hoare annotation was computed. [2021-12-18 01:21:13,145 INFO L858 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2021-12-18 01:21:13,145 INFO L854 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,145 INFO L858 garLoopResultBuilder]: For program point L8618(lines 8618 8625) no Hoare annotation was computed. [2021-12-18 01:21:13,146 INFO L854 garLoopResultBuilder]: At program point L9221(line 9221) the Hoare annotation is: false [2021-12-18 01:21:13,146 INFO L854 garLoopResultBuilder]: At program point L9221-1(line 9221) the Hoare annotation is: false [2021-12-18 01:21:13,146 INFO L858 garLoopResultBuilder]: For program point L9221-2(lines 9221 9223) no Hoare annotation was computed. [2021-12-18 01:21:13,146 INFO L858 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2021-12-18 01:21:13,146 INFO L854 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,146 INFO L858 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2021-12-18 01:21:13,146 INFO L854 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (< 0 |#StackHeapBarrier|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0))) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|))) [2021-12-18 01:21:13,146 INFO L858 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2021-12-18 01:21:13,146 INFO L854 garLoopResultBuilder]: At program point L8619(line 8619) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= 0 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base|) 8) 0) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (+ |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset| 8)))) (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset| 0)) [2021-12-18 01:21:13,147 INFO L854 garLoopResultBuilder]: At program point L8619-1(line 8619) the Hoare annotation is: (and (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (= 0 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset|) (= |ULTIMATE.start_aws_ring_buffer_clean_up_#t~ret1213#1| 0) (< 0 |#StackHeapBarrier|) (< 1 |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|) (not (= 0 (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base|) 8))) (= |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset| 0) (= |ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base|)) [2021-12-18 01:21:13,147 INFO L854 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point L8619-2(line 8619) no Hoare annotation was computed. [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-18 01:21:13,147 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-18 01:21:13,147 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-18 01:21:13,149 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 01:21:13,151 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 01:21:13,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:21:13 BoogieIcfgContainer [2021-12-18 01:21:13,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 01:21:13,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 01:21:13,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 01:21:13,158 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 01:21:13,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:19:57" (3/4) ... [2021-12-18 01:21:13,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2021-12-18 01:21:13,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2021-12-18 01:21:13,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2021-12-18 01:21:13,181 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 130 nodes and edges [2021-12-18 01:21:13,182 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2021-12-18 01:21:13,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-12-18 01:21:13,184 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-18 01:21:13,185 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-18 01:21:13,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-18 01:21:13,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-18 01:21:13,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-18 01:21:13,781 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-18 01:21:13,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 01:21:13,782 INFO L158 Benchmark]: Toolchain (without parser) took 79626.88ms. Allocated memory was 94.4MB in the beginning and 654.3MB in the end (delta: 559.9MB). Free memory was 53.2MB in the beginning and 507.1MB in the end (delta: -453.9MB). Peak memory consumption was 428.3MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,782 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 01:21:13,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1892.91ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 53.0MB in the beginning and 113.8MB in the end (delta: -60.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.26ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 102.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,783 INFO L158 Benchmark]: Boogie Preprocessor took 109.52ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 95.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,783 INFO L158 Benchmark]: RCFGBuilder took 1008.12ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 75.1MB in the end (delta: 19.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,783 INFO L158 Benchmark]: TraceAbstraction took 75771.67ms. Allocated memory was 167.8MB in the beginning and 654.3MB in the end (delta: 486.5MB). Free memory was 74.1MB in the beginning and 564.5MB in the end (delta: -490.4MB). Peak memory consumption was 360.9MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,783 INFO L158 Benchmark]: Witness Printer took 623.40ms. Allocated memory is still 654.3MB. Free memory was 564.5MB in the beginning and 507.1MB in the end (delta: 57.4MB). Peak memory consumption was 381.4MB. Max. memory is 16.1GB. [2021-12-18 01:21:13,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 94.4MB. Free memory was 51.3MB in the beginning and 51.3MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1892.91ms. Allocated memory was 94.4MB in the beginning and 167.8MB in the end (delta: 73.4MB). Free memory was 53.0MB in the beginning and 113.8MB in the end (delta: -60.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.26ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 102.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.52ms. Allocated memory is still 167.8MB. Free memory was 102.2MB in the beginning and 95.0MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.12ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 75.1MB in the end (delta: 19.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * TraceAbstraction took 75771.67ms. Allocated memory was 167.8MB in the beginning and 654.3MB in the end (delta: 486.5MB). Free memory was 74.1MB in the beginning and 564.5MB in the end (delta: -490.4MB). Peak memory consumption was 360.9MB. Max. memory is 16.1GB. * Witness Printer took 623.40ms. Allocated memory is still 654.3MB. Free memory was 564.5MB in the beginning and 507.1MB in the end (delta: 57.4MB). Peak memory consumption was 381.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 136 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 75.7s, OverallIterations: 28, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2365 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2250 mSDsluCounter, 23223 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 5425 IncrementalHoareTripleChecker+Unchecked, 19357 mSDsCounter, 1231 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10060 IncrementalHoareTripleChecker+Invalid, 16716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1231 mSolverCounterUnsat, 3866 mSDtfsCounter, 10060 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9202 GetRequests, 8391 SyntacticMatches, 143 SemanticMatches, 668 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4665 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=26, InterpolantAutomatonStates: 389, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 28 MinimizatonAttempts, 127 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 877 PreInvPairs, 902 NumberOfFragments, 629 HoareAnnotationTreeSize, 877 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 8088 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 10.7s SatisfiabilityAnalysisTime, 41.9s InterpolantComputationTime, 11586 NumberOfCodeBlocks, 11586 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 12012 ConstructedInterpolants, 1391 QuantifiedInterpolants, 32500 SizeOfPredicates, 236 NumberOfNonLiveVariables, 75307 ConjunctsInSsa, 803 ConjunctsInUnsatCore, 54 InterpolantComputations, 20 PerfectInterpolantSequences, 13341/14051 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9228]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-18 01:21:13,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE