./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 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 /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_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 c5d3114fd531ea16f9baf9b51d08af0a49a03c4a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:17:20,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:17:20,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:17:20,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:17:20,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:17:20,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:17:20,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:17:20,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:17:20,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:17:20,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:17:20,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:17:20,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:17:20,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:17:20,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:17:20,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:17:20,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:17:20,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:17:20,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:17:20,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:17:20,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:17:20,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:17:20,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:17:20,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:17:20,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:17:20,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:17:20,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:17:20,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:17:20,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:17:20,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:17:20,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:17:20,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:17:20,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:17:20,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:17:20,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:17:20,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:17:20,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:17:20,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:17:20,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:17:20,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:17:20,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:17:20,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:17:20,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:17:20,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:17:20,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:17:20,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:17:20,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:17:20,630 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:17:20,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:17:20,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:17:20,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:17:20,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:17:20,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:17:20,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:17:20,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:17:20,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:17:20,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:17:20,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:17:20,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:17:20,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:17:20,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:17:20,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:17:20,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:17:20,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:17:20,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:17:20,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:17:20,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:17:20,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:17:20,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5d3114fd531ea16f9baf9b51d08af0a49a03c4a [2020-12-04 18:17:21,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:17:21,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:17:21,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:17:21,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:17:21,133 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:17:21,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2020-12-04 18:17:21,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cd371e7/4e4f08d3c0854b60af2912b11ab5bd68/FLAG3bd904c11 [2020-12-04 18:17:22,459 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:17:22,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i [2020-12-04 18:17:22,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cd371e7/4e4f08d3c0854b60af2912b11ab5bd68/FLAG3bd904c11 [2020-12-04 18:17:22,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81cd371e7/4e4f08d3c0854b60af2912b11ab5bd68 [2020-12-04 18:17:22,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:17:22,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:17:22,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:17:22,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:17:22,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:17:22,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:17:22" (1/1) ... [2020-12-04 18:17:22,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ce9242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:22, skipping insertion in model container [2020-12-04 18:17:22,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:17:22" (1/1) ... [2020-12-04 18:17:22,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:17:22,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:17:23,248 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2020-12-04 18:17:23,257 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2020-12-04 18:17:23,288 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:17:23,314 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:17:24,857 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,858 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,858 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,861 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,864 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,882 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,883 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,886 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:24,887 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:25,423 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:17:25,425 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:17:25,427 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:17:25,428 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:17:25,430 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:17:25,431 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:17:25,432 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:17:25,433 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:17:25,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:17:25,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:17:25,629 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:17:25,796 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:25,797 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:25,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:17:25,950 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:17:25,969 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4503,4516] [2020-12-04 18:17:25,970 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_from_empty_array_harness.i[4563,4576] [2020-12-04 18:17:25,972 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:17:25,973 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:17:26,046 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,049 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,049 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,050 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,052 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,067 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,068 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,070 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,070 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,106 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:17:26,107 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:17:26,108 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:17:26,109 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:17:26,110 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:17:26,111 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:17:26,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:17:26,112 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:17:26,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:17:26,113 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:17:26,137 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:17:26,258 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,258 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:26,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:17:27,711 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:17:27,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27 WrapperNode [2020-12-04 18:17:27,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:17:27,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:17:27,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:17:27,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:17:27,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:27,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:17:28,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:17:28,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:17:28,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:17:28,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... [2020-12-04 18:17:28,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:17:28,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:17:28,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:17:28,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:17:28,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:17:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:17:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:17:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:17:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:17:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:17:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:17:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:17:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:17:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:17:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:17:28,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:17:38,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:17:38,673 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-04 18:17:38,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:17:38 BoogieIcfgContainer [2020-12-04 18:17:38,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:17:38,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:17:38,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:17:38,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:17:38,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:17:22" (1/3) ... [2020-12-04 18:17:38,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d758d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:17:38, skipping insertion in model container [2020-12-04 18:17:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:27" (2/3) ... [2020-12-04 18:17:38,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d758d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:17:38, skipping insertion in model container [2020-12-04 18:17:38,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:17:38" (3/3) ... [2020-12-04 18:17:38,691 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_from_empty_array_harness.i [2020-12-04 18:17:38,710 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:17:38,717 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-04 18:17:38,733 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-04 18:17:38,779 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:17:38,780 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:17:38,780 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:17:38,780 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:17:38,780 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:17:38,780 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:17:38,781 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:17:38,781 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:17:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-12-04 18:17:38,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-04 18:17:38,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:38,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:38,816 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:38,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:38,823 INFO L82 PathProgramCache]: Analyzing trace with hash 810375617, now seen corresponding path program 1 times [2020-12-04 18:17:38,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:38,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830794759] [2020-12-04 18:17:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:39,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830794759] [2020-12-04 18:17:39,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:39,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:17:39,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280960897] [2020-12-04 18:17:39,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:17:39,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:17:39,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:17:39,704 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-12-04 18:17:39,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:39,732 INFO L93 Difference]: Finished difference Result 153 states and 204 transitions. [2020-12-04 18:17:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:17:39,738 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-04 18:17:39,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:39,752 INFO L225 Difference]: With dead ends: 153 [2020-12-04 18:17:39,753 INFO L226 Difference]: Without dead ends: 71 [2020-12-04 18:17:39,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:17:39,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-04 18:17:39,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-04 18:17:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-04 18:17:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 85 transitions. [2020-12-04 18:17:39,841 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 85 transitions. Word has length 14 [2020-12-04 18:17:39,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:39,842 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 85 transitions. [2020-12-04 18:17:39,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:17:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 85 transitions. [2020-12-04 18:17:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-04 18:17:39,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:39,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:39,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:17:39,854 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:39,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:39,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1068541055, now seen corresponding path program 1 times [2020-12-04 18:17:39,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:39,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594157445] [2020-12-04 18:17:39,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:40,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594157445] [2020-12-04 18:17:40,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:40,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:17:40,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463890534] [2020-12-04 18:17:40,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:17:40,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:40,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:17:40,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:17:40,273 INFO L87 Difference]: Start difference. First operand 71 states and 85 transitions. Second operand 4 states. [2020-12-04 18:17:40,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:40,367 INFO L93 Difference]: Finished difference Result 120 states and 140 transitions. [2020-12-04 18:17:40,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:17:40,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-04 18:17:40,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:40,370 INFO L225 Difference]: With dead ends: 120 [2020-12-04 18:17:40,371 INFO L226 Difference]: Without dead ends: 71 [2020-12-04 18:17:40,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:17:40,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-04 18:17:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-04 18:17:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-04 18:17:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 84 transitions. [2020-12-04 18:17:40,383 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 84 transitions. Word has length 14 [2020-12-04 18:17:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:40,384 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 84 transitions. [2020-12-04 18:17:40,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:17:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2020-12-04 18:17:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-04 18:17:40,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:40,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:40,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:17:40,386 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:40,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:40,387 INFO L82 PathProgramCache]: Analyzing trace with hash -715146382, now seen corresponding path program 1 times [2020-12-04 18:17:40,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:40,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722628196] [2020-12-04 18:17:40,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:40,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722628196] [2020-12-04 18:17:40,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:40,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:17:40,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918303862] [2020-12-04 18:17:40,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:17:40,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:40,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:17:40,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:17:40,744 INFO L87 Difference]: Start difference. First operand 71 states and 84 transitions. Second operand 4 states. [2020-12-04 18:17:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:40,936 INFO L93 Difference]: Finished difference Result 173 states and 214 transitions. [2020-12-04 18:17:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:17:40,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-04 18:17:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:40,939 INFO L225 Difference]: With dead ends: 173 [2020-12-04 18:17:40,939 INFO L226 Difference]: Without dead ends: 115 [2020-12-04 18:17:40,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:17:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-04 18:17:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 75. [2020-12-04 18:17:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-04 18:17:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 88 transitions. [2020-12-04 18:17:40,954 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 88 transitions. Word has length 20 [2020-12-04 18:17:40,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:40,957 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 88 transitions. [2020-12-04 18:17:40,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:17:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2020-12-04 18:17:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-04 18:17:40,959 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:40,959 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:40,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:17:40,959 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:40,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1524493008, now seen corresponding path program 1 times [2020-12-04 18:17:40,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:40,965 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860914291] [2020-12-04 18:17:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:41,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860914291] [2020-12-04 18:17:41,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:41,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:17:41,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98675147] [2020-12-04 18:17:41,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:17:41,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:41,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:17:41,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:17:41,367 INFO L87 Difference]: Start difference. First operand 75 states and 88 transitions. Second operand 4 states. [2020-12-04 18:17:41,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:41,568 INFO L93 Difference]: Finished difference Result 147 states and 174 transitions. [2020-12-04 18:17:41,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:17:41,569 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-04 18:17:41,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:41,570 INFO L225 Difference]: With dead ends: 147 [2020-12-04 18:17:41,571 INFO L226 Difference]: Without dead ends: 95 [2020-12-04 18:17:41,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:17:41,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-04 18:17:41,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 79. [2020-12-04 18:17:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-04 18:17:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2020-12-04 18:17:41,582 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 20 [2020-12-04 18:17:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:41,582 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2020-12-04 18:17:41,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:17:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2020-12-04 18:17:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-04 18:17:41,584 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:41,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:41,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 18:17:41,585 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:41,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:41,586 INFO L82 PathProgramCache]: Analyzing trace with hash -322119372, now seen corresponding path program 1 times [2020-12-04 18:17:41,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:41,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260026368] [2020-12-04 18:17:41,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:42,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260026368] [2020-12-04 18:17:42,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:42,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:17:42,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944809621] [2020-12-04 18:17:42,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:17:42,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:42,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:17:42,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:17:42,523 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 6 states. [2020-12-04 18:17:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:42,938 INFO L93 Difference]: Finished difference Result 139 states and 158 transitions. [2020-12-04 18:17:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:17:42,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-12-04 18:17:42,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:42,944 INFO L225 Difference]: With dead ends: 139 [2020-12-04 18:17:42,945 INFO L226 Difference]: Without dead ends: 135 [2020-12-04 18:17:42,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:17:42,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-12-04 18:17:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 87. [2020-12-04 18:17:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-04 18:17:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2020-12-04 18:17:42,972 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 20 [2020-12-04 18:17:42,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:42,972 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2020-12-04 18:17:42,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:17:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2020-12-04 18:17:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 18:17:42,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:42,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:42,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 18:17:42,975 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:42,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2144800216, now seen corresponding path program 1 times [2020-12-04 18:17:42,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:42,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972359158] [2020-12-04 18:17:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:43,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972359158] [2020-12-04 18:17:43,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:43,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:17:43,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717680206] [2020-12-04 18:17:43,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:17:43,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:43,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:17:43,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:17:43,702 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 5 states. [2020-12-04 18:17:46,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:46,109 INFO L93 Difference]: Finished difference Result 153 states and 174 transitions. [2020-12-04 18:17:46,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:17:46,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-04 18:17:46,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:46,111 INFO L225 Difference]: With dead ends: 153 [2020-12-04 18:17:46,111 INFO L226 Difference]: Without dead ends: 94 [2020-12-04 18:17:46,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:17:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-12-04 18:17:46,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 89. [2020-12-04 18:17:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-04 18:17:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2020-12-04 18:17:46,119 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 24 [2020-12-04 18:17:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:46,120 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2020-12-04 18:17:46,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:17:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2020-12-04 18:17:46,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 18:17:46,121 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:46,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:46,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 18:17:46,121 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:46,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:46,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1464741846, now seen corresponding path program 1 times [2020-12-04 18:17:46,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:46,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693927281] [2020-12-04 18:17:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:46,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693927281] [2020-12-04 18:17:46,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:46,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:17:46,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085564289] [2020-12-04 18:17:46,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:17:46,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:46,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:17:46,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:17:46,689 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 5 states. [2020-12-04 18:17:49,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:49,128 INFO L93 Difference]: Finished difference Result 206 states and 231 transitions. [2020-12-04 18:17:49,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:17:49,129 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-04 18:17:49,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:49,131 INFO L225 Difference]: With dead ends: 206 [2020-12-04 18:17:49,131 INFO L226 Difference]: Without dead ends: 143 [2020-12-04 18:17:49,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:17:49,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-12-04 18:17:49,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 95. [2020-12-04 18:17:49,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-12-04 18:17:49,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-12-04 18:17:49,153 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 24 [2020-12-04 18:17:49,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:49,154 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-12-04 18:17:49,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:17:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-12-04 18:17:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 18:17:49,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:49,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:49,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-04 18:17:49,155 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:49,156 INFO L82 PathProgramCache]: Analyzing trace with hash -711790034, now seen corresponding path program 1 times [2020-12-04 18:17:49,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:49,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850941149] [2020-12-04 18:17:49,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:52,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850941149] [2020-12-04 18:17:52,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:52,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:17:52,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415007312] [2020-12-04 18:17:52,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:17:52,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:52,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:17:52,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:17:52,381 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2020-12-04 18:17:54,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:17:54,925 INFO L93 Difference]: Finished difference Result 195 states and 221 transitions. [2020-12-04 18:17:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:17:54,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-04 18:17:54,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:17:54,928 INFO L225 Difference]: With dead ends: 195 [2020-12-04 18:17:54,928 INFO L226 Difference]: Without dead ends: 116 [2020-12-04 18:17:54,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:17:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-04 18:17:54,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2020-12-04 18:17:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-04 18:17:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2020-12-04 18:17:54,942 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 24 [2020-12-04 18:17:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:17:54,944 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2020-12-04 18:17:54,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:17:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2020-12-04 18:17:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 18:17:54,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:17:54,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:17:54,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-04 18:17:54,951 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:17:54,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:17:54,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1994829360, now seen corresponding path program 1 times [2020-12-04 18:17:54,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:17:54,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183182716] [2020-12-04 18:17:54,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:17:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:17:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:17:58,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183182716] [2020-12-04 18:17:58,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:58,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:17:58,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344133486] [2020-12-04 18:17:58,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:17:58,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:17:58,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:17:58,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:17:58,316 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 7 states. [2020-12-04 18:18:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:00,936 INFO L93 Difference]: Finished difference Result 185 states and 208 transitions. [2020-12-04 18:18:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:18:00,937 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2020-12-04 18:18:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:00,938 INFO L225 Difference]: With dead ends: 185 [2020-12-04 18:18:00,939 INFO L226 Difference]: Without dead ends: 116 [2020-12-04 18:18:00,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:18:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-12-04 18:18:00,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2020-12-04 18:18:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-04 18:18:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-12-04 18:18:00,945 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 24 [2020-12-04 18:18:00,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:00,946 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-12-04 18:18:00,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:18:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-12-04 18:18:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-04 18:18:00,947 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:00,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:00,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-04 18:18:00,948 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:00,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:00,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2041972498, now seen corresponding path program 1 times [2020-12-04 18:18:00,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:00,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577944492] [2020-12-04 18:18:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:01,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577944492] [2020-12-04 18:18:01,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:01,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:18:01,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380026438] [2020-12-04 18:18:01,357 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:18:01,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:01,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:18:01,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:18:01,359 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 5 states. [2020-12-04 18:18:03,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:03,694 INFO L93 Difference]: Finished difference Result 164 states and 183 transitions. [2020-12-04 18:18:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:18:03,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-04 18:18:03,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:03,697 INFO L225 Difference]: With dead ends: 164 [2020-12-04 18:18:03,698 INFO L226 Difference]: Without dead ends: 93 [2020-12-04 18:18:03,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:18:03,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-04 18:18:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-12-04 18:18:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-04 18:18:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-12-04 18:18:03,705 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 24 [2020-12-04 18:18:03,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:03,706 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-12-04 18:18:03,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:18:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-12-04 18:18:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-04 18:18:03,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:03,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:03,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-04 18:18:03,714 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:03,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1548380899, now seen corresponding path program 1 times [2020-12-04 18:18:03,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:03,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575018569] [2020-12-04 18:18:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:04,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575018569] [2020-12-04 18:18:04,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:04,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:18:04,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731790832] [2020-12-04 18:18:04,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:18:04,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:04,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:18:04,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:18:04,316 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 8 states. [2020-12-04 18:18:05,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:05,092 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2020-12-04 18:18:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-04 18:18:05,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-12-04 18:18:05,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:05,095 INFO L225 Difference]: With dead ends: 165 [2020-12-04 18:18:05,095 INFO L226 Difference]: Without dead ends: 161 [2020-12-04 18:18:05,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-12-04 18:18:05,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-12-04 18:18:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 97. [2020-12-04 18:18:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-12-04 18:18:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2020-12-04 18:18:05,101 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 26 [2020-12-04 18:18:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:05,102 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2020-12-04 18:18:05,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:18:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2020-12-04 18:18:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-04 18:18:05,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:05,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:05,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-04 18:18:05,104 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:05,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:05,104 INFO L82 PathProgramCache]: Analyzing trace with hash 739034273, now seen corresponding path program 1 times [2020-12-04 18:18:05,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:05,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711433508] [2020-12-04 18:18:05,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:05,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711433508] [2020-12-04 18:18:05,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:05,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:18:05,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643044924] [2020-12-04 18:18:05,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:18:05,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:05,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:18:05,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:18:05,513 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand 4 states. [2020-12-04 18:18:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:07,786 INFO L93 Difference]: Finished difference Result 158 states and 173 transitions. [2020-12-04 18:18:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:18:07,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-12-04 18:18:07,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:07,790 INFO L225 Difference]: With dead ends: 158 [2020-12-04 18:18:07,790 INFO L226 Difference]: Without dead ends: 93 [2020-12-04 18:18:07,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:18:07,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-04 18:18:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2020-12-04 18:18:07,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-04 18:18:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2020-12-04 18:18:07,795 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 26 [2020-12-04 18:18:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:07,798 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2020-12-04 18:18:07,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:18:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2020-12-04 18:18:07,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-04 18:18:07,801 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:07,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:07,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-04 18:18:07,803 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:07,803 INFO L82 PathProgramCache]: Analyzing trace with hash -365390039, now seen corresponding path program 1 times [2020-12-04 18:18:07,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:07,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704462323] [2020-12-04 18:18:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:08,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704462323] [2020-12-04 18:18:08,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:08,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:18:08,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572352390] [2020-12-04 18:18:08,202 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:18:08,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:08,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:18:08,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:18:08,204 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 4 states. [2020-12-04 18:18:08,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:08,283 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2020-12-04 18:18:08,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:18:08,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-12-04 18:18:08,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:08,285 INFO L225 Difference]: With dead ends: 118 [2020-12-04 18:18:08,285 INFO L226 Difference]: Without dead ends: 89 [2020-12-04 18:18:08,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:18:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-12-04 18:18:08,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-12-04 18:18:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-12-04 18:18:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2020-12-04 18:18:08,291 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 26 [2020-12-04 18:18:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:08,292 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2020-12-04 18:18:08,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:18:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2020-12-04 18:18:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-04 18:18:08,293 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:08,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:08,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-04 18:18:08,293 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:08,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:08,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1400671456, now seen corresponding path program 1 times [2020-12-04 18:18:08,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:08,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935591693] [2020-12-04 18:18:08,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:08,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935591693] [2020-12-04 18:18:08,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:08,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:18:08,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234995858] [2020-12-04 18:18:08,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:18:08,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:08,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:18:08,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:18:08,917 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand 7 states. [2020-12-04 18:18:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:15,447 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2020-12-04 18:18:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:18:15,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-12-04 18:18:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:15,449 INFO L225 Difference]: With dead ends: 89 [2020-12-04 18:18:15,449 INFO L226 Difference]: Without dead ends: 87 [2020-12-04 18:18:15,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:18:15,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-12-04 18:18:15,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-12-04 18:18:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-04 18:18:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2020-12-04 18:18:15,453 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 34 [2020-12-04 18:18:15,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:15,454 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2020-12-04 18:18:15,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:18:15,454 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2020-12-04 18:18:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:18:15,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:15,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:15,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-04 18:18:15,455 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:15,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:15,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1720376510, now seen corresponding path program 1 times [2020-12-04 18:18:15,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:15,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101988623] [2020-12-04 18:18:15,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:19,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101988623] [2020-12-04 18:18:19,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:19,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:18:19,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338944467] [2020-12-04 18:18:19,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:18:19,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:19,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:18:19,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:18:19,627 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand 7 states. [2020-12-04 18:18:24,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:24,303 INFO L93 Difference]: Finished difference Result 87 states and 94 transitions. [2020-12-04 18:18:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:18:24,304 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-12-04 18:18:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:24,305 INFO L225 Difference]: With dead ends: 87 [2020-12-04 18:18:24,305 INFO L226 Difference]: Without dead ends: 85 [2020-12-04 18:18:24,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:18:24,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-04 18:18:24,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-04 18:18:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-04 18:18:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 92 transitions. [2020-12-04 18:18:24,310 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 92 transitions. Word has length 36 [2020-12-04 18:18:24,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:24,310 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 92 transitions. [2020-12-04 18:18:24,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:18:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2020-12-04 18:18:24,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:18:24,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:24,311 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:24,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-04 18:18:24,311 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:24,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1549467370, now seen corresponding path program 1 times [2020-12-04 18:18:24,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:24,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726125805] [2020-12-04 18:18:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:25,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726125805] [2020-12-04 18:18:25,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:25,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:18:25,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155170500] [2020-12-04 18:18:25,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:18:25,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:25,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:18:25,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:18:25,126 INFO L87 Difference]: Start difference. First operand 85 states and 92 transitions. Second operand 8 states. [2020-12-04 18:18:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:27,756 INFO L93 Difference]: Finished difference Result 125 states and 133 transitions. [2020-12-04 18:18:27,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:18:27,758 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-12-04 18:18:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:27,758 INFO L225 Difference]: With dead ends: 125 [2020-12-04 18:18:27,758 INFO L226 Difference]: Without dead ends: 98 [2020-12-04 18:18:27,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-12-04 18:18:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-12-04 18:18:27,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2020-12-04 18:18:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-04 18:18:27,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2020-12-04 18:18:27,764 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 36 [2020-12-04 18:18:27,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:27,764 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2020-12-04 18:18:27,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:18:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2020-12-04 18:18:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:18:27,765 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:27,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:27,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-04 18:18:27,766 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:27,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:27,767 INFO L82 PathProgramCache]: Analyzing trace with hash -869409000, now seen corresponding path program 1 times [2020-12-04 18:18:27,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:27,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857584869] [2020-12-04 18:18:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:31,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857584869] [2020-12-04 18:18:31,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:31,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:18:31,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107042920] [2020-12-04 18:18:31,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:18:31,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:31,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:18:31,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:18:31,304 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand 9 states. [2020-12-04 18:18:34,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:34,323 INFO L93 Difference]: Finished difference Result 198 states and 212 transitions. [2020-12-04 18:18:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:18:34,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-12-04 18:18:34,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:34,326 INFO L225 Difference]: With dead ends: 198 [2020-12-04 18:18:34,326 INFO L226 Difference]: Without dead ends: 158 [2020-12-04 18:18:34,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-12-04 18:18:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-12-04 18:18:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 109. [2020-12-04 18:18:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-12-04 18:18:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2020-12-04 18:18:34,334 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 36 [2020-12-04 18:18:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:34,334 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2020-12-04 18:18:34,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:18:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2020-12-04 18:18:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-04 18:18:34,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:34,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:34,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-04 18:18:34,335 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:34,336 INFO L82 PathProgramCache]: Analyzing trace with hash -611243562, now seen corresponding path program 1 times [2020-12-04 18:18:34,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:34,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624483955] [2020-12-04 18:18:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:34,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624483955] [2020-12-04 18:18:34,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:34,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:18:34,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66161307] [2020-12-04 18:18:34,949 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:18:34,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:34,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:18:34,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:18:34,950 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand 8 states. [2020-12-04 18:18:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:37,563 INFO L93 Difference]: Finished difference Result 162 states and 174 transitions. [2020-12-04 18:18:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:18:37,564 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-12-04 18:18:37,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:37,566 INFO L225 Difference]: With dead ends: 162 [2020-12-04 18:18:37,566 INFO L226 Difference]: Without dead ends: 120 [2020-12-04 18:18:37,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:18:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-12-04 18:18:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 107. [2020-12-04 18:18:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-12-04 18:18:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 114 transitions. [2020-12-04 18:18:37,582 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 114 transitions. Word has length 36 [2020-12-04 18:18:37,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:37,582 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 114 transitions. [2020-12-04 18:18:37,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:18:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 114 transitions. [2020-12-04 18:18:37,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 18:18:37,585 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:37,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:37,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-04 18:18:37,586 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:37,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:37,586 INFO L82 PathProgramCache]: Analyzing trace with hash 280712196, now seen corresponding path program 1 times [2020-12-04 18:18:37,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:37,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472795261] [2020-12-04 18:18:37,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:38,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472795261] [2020-12-04 18:18:38,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:38,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:18:38,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694939619] [2020-12-04 18:18:38,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:18:38,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:38,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:18:38,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:18:38,116 INFO L87 Difference]: Start difference. First operand 107 states and 114 transitions. Second operand 6 states. [2020-12-04 18:18:42,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:42,524 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2020-12-04 18:18:42,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:18:42,525 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-12-04 18:18:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:42,527 INFO L225 Difference]: With dead ends: 107 [2020-12-04 18:18:42,527 INFO L226 Difference]: Without dead ends: 105 [2020-12-04 18:18:42,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:18:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-12-04 18:18:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-12-04 18:18:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-04 18:18:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2020-12-04 18:18:42,542 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 38 [2020-12-04 18:18:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:42,543 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2020-12-04 18:18:42,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:18:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2020-12-04 18:18:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-04 18:18:42,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:42,543 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:42,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-04 18:18:42,544 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:42,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:42,544 INFO L82 PathProgramCache]: Analyzing trace with hash -408934709, now seen corresponding path program 1 times [2020-12-04 18:18:42,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:42,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997621146] [2020-12-04 18:18:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:43,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997621146] [2020-12-04 18:18:43,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:43,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:18:43,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236637066] [2020-12-04 18:18:43,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:18:43,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:43,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:18:43,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:18:43,153 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 7 states. [2020-12-04 18:18:45,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:45,625 INFO L93 Difference]: Finished difference Result 134 states and 140 transitions. [2020-12-04 18:18:45,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:18:45,627 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 38 [2020-12-04 18:18:45,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:45,628 INFO L225 Difference]: With dead ends: 134 [2020-12-04 18:18:45,628 INFO L226 Difference]: Without dead ends: 108 [2020-12-04 18:18:45,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:18:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-12-04 18:18:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2020-12-04 18:18:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-04 18:18:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2020-12-04 18:18:45,634 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 38 [2020-12-04 18:18:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:45,634 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2020-12-04 18:18:45,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:18:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2020-12-04 18:18:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-04 18:18:45,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:45,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:45,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-04 18:18:45,635 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:45,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:45,636 INFO L82 PathProgramCache]: Analyzing trace with hash 399724621, now seen corresponding path program 1 times [2020-12-04 18:18:45,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:45,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396666822] [2020-12-04 18:18:45,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:46,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396666822] [2020-12-04 18:18:46,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:46,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:18:46,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538312274] [2020-12-04 18:18:46,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:18:46,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:46,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:18:46,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:18:46,092 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 7 states. [2020-12-04 18:18:50,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:50,688 INFO L93 Difference]: Finished difference Result 136 states and 141 transitions. [2020-12-04 18:18:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:18:50,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-12-04 18:18:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:50,691 INFO L225 Difference]: With dead ends: 136 [2020-12-04 18:18:50,691 INFO L226 Difference]: Without dead ends: 75 [2020-12-04 18:18:50,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:18:50,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-04 18:18:50,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-04 18:18:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-04 18:18:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2020-12-04 18:18:50,697 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 41 [2020-12-04 18:18:50,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:50,698 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2020-12-04 18:18:50,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:18:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2020-12-04 18:18:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-04 18:18:50,698 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:50,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:50,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-04 18:18:50,699 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:50,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:50,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1444386363, now seen corresponding path program 1 times [2020-12-04 18:18:50,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:50,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382215183] [2020-12-04 18:18:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:18:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:18:54,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382215183] [2020-12-04 18:18:54,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:18:54,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:18:54,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887746268] [2020-12-04 18:18:54,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:18:54,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:18:54,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:18:54,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:18:54,787 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 8 states. [2020-12-04 18:18:57,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:18:57,326 INFO L93 Difference]: Finished difference Result 102 states and 104 transitions. [2020-12-04 18:18:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:18:57,328 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-12-04 18:18:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:18:57,329 INFO L225 Difference]: With dead ends: 102 [2020-12-04 18:18:57,329 INFO L226 Difference]: Without dead ends: 61 [2020-12-04 18:18:57,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-04 18:18:57,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-12-04 18:18:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-12-04 18:18:57,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-12-04 18:18:57,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 60 transitions. [2020-12-04 18:18:57,334 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 60 transitions. Word has length 42 [2020-12-04 18:18:57,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:18:57,334 INFO L481 AbstractCegarLoop]: Abstraction has 61 states and 60 transitions. [2020-12-04 18:18:57,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:18:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 60 transitions. [2020-12-04 18:18:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-04 18:18:57,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:18:57,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:18:57,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-04 18:18:57,335 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:18:57,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:18:57,336 INFO L82 PathProgramCache]: Analyzing trace with hash 832606961, now seen corresponding path program 1 times [2020-12-04 18:18:57,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:18:57,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284252697] [2020-12-04 18:18:57,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:18:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:19:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:19:00,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284252697] [2020-12-04 18:19:00,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:19:00,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:19:00,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162664575] [2020-12-04 18:19:00,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:19:00,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:19:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:19:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:19:00,499 INFO L87 Difference]: Start difference. First operand 61 states and 60 transitions. Second operand 9 states. [2020-12-04 18:19:05,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:19:05,589 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2020-12-04 18:19:05,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:19:05,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 53 [2020-12-04 18:19:05,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:19:05,594 INFO L225 Difference]: With dead ends: 61 [2020-12-04 18:19:05,594 INFO L226 Difference]: Without dead ends: 59 [2020-12-04 18:19:05,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-12-04 18:19:05,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-12-04 18:19:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-04 18:19:05,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-04 18:19:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 58 transitions. [2020-12-04 18:19:05,600 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 58 transitions. Word has length 53 [2020-12-04 18:19:05,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:19:05,601 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 58 transitions. [2020-12-04 18:19:05,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:19:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2020-12-04 18:19:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-04 18:19:05,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:19:05,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:19:05,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-04 18:19:05,602 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:19:05,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:19:05,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2072414125, now seen corresponding path program 1 times [2020-12-04 18:19:05,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:19:05,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307679467] [2020-12-04 18:19:05,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:19:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:19:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:19:10,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307679467] [2020-12-04 18:19:10,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:19:10,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:19:10,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529822673] [2020-12-04 18:19:10,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:19:10,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:19:10,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:19:10,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:19:10,922 INFO L87 Difference]: Start difference. First operand 59 states and 58 transitions. Second operand 10 states. [2020-12-04 18:19:16,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:19:16,054 INFO L93 Difference]: Finished difference Result 59 states and 58 transitions. [2020-12-04 18:19:16,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:19:16,057 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-12-04 18:19:16,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:19:16,057 INFO L225 Difference]: With dead ends: 59 [2020-12-04 18:19:16,057 INFO L226 Difference]: Without dead ends: 0 [2020-12-04 18:19:16,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2020-12-04 18:19:16,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-04 18:19:16,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-04 18:19:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-04 18:19:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-04 18:19:16,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-12-04 18:19:16,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:19:16,059 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-04 18:19:16,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:19:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-04 18:19:16,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 18:19:16,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-04 18:19:16,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-04 18:19:16,669 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2020-12-04 18:19:17,346 WARN L197 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-04 18:19:17,817 WARN L197 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2020-12-04 18:19:18,605 WARN L197 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2020-12-04 18:19:18,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 18:19:18,612 INFO L262 CegarLoopResult]: For program point L8972(lines 8972 8974) no Hoare annotation was computed. [2020-12-04 18:19:18,612 INFO L262 CegarLoopResult]: For program point L8972-2(lines 8972 8974) no Hoare annotation was computed. [2020-12-04 18:19:18,613 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,613 INFO L258 CegarLoopResult]: At program point L8231(lines 8218 8232) the Hoare annotation is: (let ((.cse10 (select |#memory_int| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base))) (let ((.cse0 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.offset| 0)) (.cse1 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.base| 0)) (.cse5 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity|)) (.cse6 (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base| 0))) (.cse7 (= (select .cse10 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset) 0)) (.cse8 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 0)) (.cse2 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.offset| 0)) (.cse4 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.len| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base| 0) .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) .cse5 .cse6 .cse7 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.offset 0) .cse8 (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (+ (* 4294967296 (div (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (- 1)) 4294967296)) 4294967295)) .cse2 .cse3 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base|) .cse4 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.base) (let ((.cse9 (select .cse10 (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 12)))) (<= .cse9 (+ (* 4294967296 (div (+ .cse9 (- 1)) 4294967296)) 4294967295))))))) [2020-12-04 18:19:18,613 INFO L262 CegarLoopResult]: For program point L222(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,613 INFO L262 CegarLoopResult]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L8959(lines 8959 8975) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L222-4(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L222-5(lines 7101 7111) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L222-6(lines 222 224) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L265 CegarLoopResult]: At program point L8976(line 8976) the Hoare annotation is: true [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 18:19:18,614 INFO L262 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-3(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-4(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-6(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-7(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-9(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-10(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-12(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-13(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-15(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-16(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-18(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point L223-19(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,615 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-3(line 7377) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-1(line 7377) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-7(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-6(lines 7377 7378) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-4(lines 7377 7378) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-11(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-9(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-14(line 7377) no Hoare annotation was computed. [2020-12-04 18:19:18,616 INFO L262 CegarLoopResult]: For program point L7377-13(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,617 INFO L258 CegarLoopResult]: At program point L7377-12(lines 7375 7381) the Hoare annotation is: (let ((.cse18 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.offset| 16)) (.cse16 (select |#memory_int| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base)) (.cse17 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.base|)) (.cse19 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.base|)) (.cse20 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.offset| 4))) (let ((.cse9 (select .cse19 .cse20)) (.cse0 (= ULTIMATE.start_aws_byte_buf_is_valid_~buf.base |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.base|)) (.cse1 (= (select .cse17 .cse20) 0)) (.cse3 (<= 1 |ULTIMATE.start_aws_byte_buf_is_valid_#res|)) (.cse2 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 (select (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.base|) (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.offset| 12)))) (.cse4 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.offset| ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset)) (.cse5 (<= |ULTIMATE.start_aws_byte_buf_is_valid_#res| 1)) (.cse6 (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.base| 0))) (.cse7 (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base| 0))) (.cse8 (= (select .cse16 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset) 0)) (.cse10 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 0)) (.cse12 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1)) (.cse11 (= (select .cse19 .cse18) 0)) (.cse13 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_~#buf~2.offset| 0)) (.cse14 (= (select .cse17 .cse18) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) .cse5 .cse6 .cse7 .cse8 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base .cse9) .cse10 .cse11 .cse12 .cse13 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) .cse14 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.base) (let ((.cse15 (select .cse16 (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 12)))) (<= .cse15 (+ (* 4294967296 (div (+ .cse15 (- 1)) 4294967296)) 4294967295)))) (and (= .cse9 0) .cse0 .cse1 .cse3 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse10 .cse12 .cse11 .cse13 .cse14)))) [2020-12-04 18:19:18,617 INFO L262 CegarLoopResult]: For program point L7377-19(lines 7377 7378) no Hoare annotation was computed. [2020-12-04 18:19:18,617 INFO L262 CegarLoopResult]: For program point L7377-17(lines 7377 7378) no Hoare annotation was computed. [2020-12-04 18:19:18,617 INFO L262 CegarLoopResult]: For program point L7377-16(line 7377) no Hoare annotation was computed. [2020-12-04 18:19:18,617 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,618 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 18:19:18,618 INFO L262 CegarLoopResult]: For program point L7377-22(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,618 INFO L262 CegarLoopResult]: For program point L7377-20(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,619 INFO L258 CegarLoopResult]: At program point L7377-25(lines 7375 7381) the Hoare annotation is: (let ((.cse18 (select |#memory_int| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base)) (.cse19 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|)) (.cse22 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 16)) (.cse21 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|)) (.cse20 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 4)) (.cse23 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|))) (let ((.cse0 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.offset| 0)) (.cse1 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 (select .cse23 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 12)))) (.cse2 (= (select .cse21 .cse20) 0)) (.cse3 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.base| 0)) (.cse8 (<= 1 |ULTIMATE.start_aws_byte_buf_is_valid_#res|)) (.cse9 (= (select .cse19 .cse22) 0)) (.cse10 (<= |ULTIMATE.start_aws_byte_buf_is_valid_#res| 1)) (.cse11 (= (select .cse23 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset|) 0)) (.cse12 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity|)) (.cse4 (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base| 0))) (.cse5 (= (select .cse18 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset) 0)) (.cse13 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 0)) (.cse14 (= (select .cse21 .cse22) 0)) (.cse6 (select .cse19 .cse20)) (.cse15 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1)) (.cse7 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.offset| 0)) (.cse16 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.len| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) .cse4 .cse5 (= ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base .cse6) (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (+ (* 4294967296 (div (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (- 1)) 4294967296)) 4294967295)) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base|) .cse16 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.base) (let ((.cse17 (select .cse18 (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 12)))) (<= .cse17 (+ (* 4294967296 (div (+ .cse17 (- 1)) 4294967296)) 4294967295)))) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse10 (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base| 0) .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 (= .cse6 0) .cse15 .cse7 .cse16)))) [2020-12-04 18:19:18,619 INFO L262 CegarLoopResult]: For program point L7377-24(lines 7377 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,619 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 18:19:18,620 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 18:19:18,621 INFO L262 CegarLoopResult]: For program point L8222(lines 8222 8223) no Hoare annotation was computed. [2020-12-04 18:19:18,621 INFO L262 CegarLoopResult]: For program point L7099(lines 7099 7112) no Hoare annotation was computed. [2020-12-04 18:19:18,621 INFO L262 CegarLoopResult]: For program point L8222-2(lines 8222 8223) no Hoare annotation was computed. [2020-12-04 18:19:18,621 INFO L262 CegarLoopResult]: For program point L7380-2(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,622 INFO L262 CegarLoopResult]: For program point L7380(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,622 INFO L262 CegarLoopResult]: For program point L7380-6(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,622 INFO L262 CegarLoopResult]: For program point L7380-4(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,622 INFO L262 CegarLoopResult]: For program point L7380-3(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,622 INFO L262 CegarLoopResult]: For program point L7380-9(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-8(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-13(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-12(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-11(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-17(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,623 INFO L262 CegarLoopResult]: For program point L7380-15(line 7380) no Hoare annotation was computed. [2020-12-04 18:19:18,624 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,624 INFO L258 CegarLoopResult]: At program point L6886(lines 6882 6887) the Hoare annotation is: (and (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) [2020-12-04 18:19:18,625 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 18:19:18,625 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2020-12-04 18:19:18,627 INFO L258 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 4)) (.cse4 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|)) (.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|)) (.cse1 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base|)) (.cse5 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 16)) (.cse3 (select |#memory_int| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base))) (and (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.offset| 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 (select .cse0 (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 12))) (= (select .cse1 .cse2) 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.base| 0) (= |ULTIMATE.start_bounded_malloc_#res.offset| 0) (= ULTIMATE.start_assert_bytes_match_~b.offset 0) (<= 1 ULTIMATE.start___VERIFIER_assert_~cond) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.base| 0)) (= (select .cse3 ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset) 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.offset 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base (select .cse4 .cse2)) (<= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (+ (* 4294967296 (div (+ |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity| (- 1)) 4294967296)) 4294967295)) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.allocator.offset| 0) (= (select .cse4 .cse5) 0) (= (select .cse0 |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset|) 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1 |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.capacity|) (= ULTIMATE.start_assert_bytes_match_~a.offset 0) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~#buf~3.offset| 0) (= (select .cse1 .cse5) 0) (= ULTIMATE.start_aws_byte_buf_from_empty_array_~capacity ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~capacity~1) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base|) (= ULTIMATE.start_assert_bytes_match_~a.base ULTIMATE.start_assert_bytes_match_~b.base) (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.len| 0) (<= (div ULTIMATE.start___VERIFIER_assert_~cond 256) 0) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.offset 0) (not (= |ULTIMATE.start_aws_byte_buf_from_empty_array_#res.buffer.base| 0)) (= ULTIMATE.start_aws_byte_buf_from_empty_array_harness_~array~0.base ULTIMATE.start_aws_byte_buf_from_empty_array_~bytes.base) (let ((.cse6 (select .cse3 (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 12)))) (<= .cse6 (+ (* 4294967296 (div (+ .cse6 (- 1)) 4294967296)) 4294967295))))) [2020-12-04 18:19:18,650 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,652 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,653 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,655 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,670 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,670 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,670 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,671 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,672 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,672 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,677 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,678 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,685 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,685 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,685 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,685 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,686 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,686 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,686 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,686 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,688 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,689 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,691 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,691 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,692 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,693 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,693 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,694 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,694 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,695 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,695 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,697 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,697 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,698 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,699 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,699 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,700 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,700 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:18,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:18,701 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:18,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:19:18 BoogieIcfgContainer [2020-12-04 18:19:18,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:19:18,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:19:18,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:19:18,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:19:18,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:17:38" (3/4) ... [2020-12-04 18:19:18,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 18:19:18,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2020-12-04 18:19:18,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2020-12-04 18:19:18,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-04 18:19:18,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-04 18:19:18,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-04 18:19:18,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-04 18:19:18,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-04 18:19:18,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 18:19:18,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 && !(\result == 0) [2020-12-04 18:19:18,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((buf == buf && #memory_$Pointer$[buf][buf + 4] == 0) && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && 1 <= \result) && buf == buf) && \result == 0) && \result <= 1) && !(buf == 0)) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && buf == 0) && !(\result == 0)) && #memory_$Pointer$[buf][buf + 16] == 0) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) || ((((((((((((((#memory_$Pointer$[buf][buf + 4] == 0 && buf == buf) && #memory_$Pointer$[buf][buf + 4] == 0) && 1 <= \result) && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && buf == buf) && \result <= 1) && !(buf == 0)) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) && capacity == capacity) && #memory_$Pointer$[buf][buf + 16] == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) [2020-12-04 18:19:18,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && aws_byte_buf_from_empty_array_#res.allocator == 0) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && aws_byte_buf_from_empty_array_#res.buffer == 0) && unknown-#res!len-unknown == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) || ((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && buf == 0) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && array == aws_byte_buf_from_empty_array_#res.buffer) && unknown-#res!len-unknown == 0) && !(\result == 0)) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) [2020-12-04 18:19:18,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && aws_byte_buf_from_empty_array_#res.allocator == 0) && 1 <= \result) && #memory_$Pointer$[buf][buf + 16] == 0) && \result <= 1) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && array == aws_byte_buf_from_empty_array_#res.buffer) && unknown-#res!len-unknown == 0) && !(\result == 0)) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) || (((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && 1 <= \result) && #memory_$Pointer$[buf][buf + 16] == 0) && \result <= 1) && aws_byte_buf_from_empty_array_#res.buffer == 0) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && #memory_$Pointer$[buf][buf + 4] == 0) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && unknown-#res!len-unknown == 0) [2020-12-04 18:19:18,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && b == 0) && 1 <= cond) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && aws_byte_buf_from_empty_array_#res.allocator == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && a == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && array == aws_byte_buf_from_empty_array_#res.buffer) && a == b) && unknown-#res!len-unknown == 0) && cond / 256 <= 0) && !(\result == 0)) && array == 0) && !(aws_byte_buf_from_empty_array_#res.buffer == 0)) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295 [2020-12-04 18:19:19,718 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 18:19:19,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:19:19,723 INFO L168 Benchmark]: Toolchain (without parser) took 116944.67 ms. Allocated memory was 58.7 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 36.2 MB in the beginning and 539.4 MB in the end (delta: -503.2 MB). Peak memory consumption was 711.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,725 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory was 26.0 MB in the beginning and 25.9 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:19:19,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4931.77 ms. Allocated memory was 58.7 MB in the beginning and 142.6 MB in the end (delta: 83.9 MB). Free memory was 36.0 MB in the beginning and 52.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 286.97 ms. Allocated memory is still 142.6 MB. Free memory was 52.2 MB in the beginning and 91.9 MB in the end (delta: -39.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,726 INFO L168 Benchmark]: Boogie Preprocessor took 120.47 ms. Allocated memory is still 142.6 MB. Free memory was 91.9 MB in the beginning and 84.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,727 INFO L168 Benchmark]: RCFGBuilder took 10553.24 ms. Allocated memory was 142.6 MB in the beginning and 692.1 MB in the end (delta: 549.5 MB). Free memory was 84.6 MB in the beginning and 420.6 MB in the end (delta: -336.0 MB). Peak memory consumption was 319.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,727 INFO L168 Benchmark]: TraceAbstraction took 100025.88 ms. Allocated memory was 692.1 MB in the beginning and 1.1 GB in the end (delta: 398.5 MB). Free memory was 420.6 MB in the beginning and 717.3 MB in the end (delta: -296.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,727 INFO L168 Benchmark]: Witness Printer took 1013.37 ms. Allocated memory is still 1.1 GB. Free memory was 717.3 MB in the beginning and 539.4 MB in the end (delta: 177.9 MB). Peak memory consumption was 358.3 MB. Max. memory is 16.1 GB. [2020-12-04 18:19:19,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory was 26.0 MB in the beginning and 25.9 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4931.77 ms. Allocated memory was 58.7 MB in the beginning and 142.6 MB in the end (delta: 83.9 MB). Free memory was 36.0 MB in the beginning and 52.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 76.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 286.97 ms. Allocated memory is still 142.6 MB. Free memory was 52.2 MB in the beginning and 91.9 MB in the end (delta: -39.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.47 ms. Allocated memory is still 142.6 MB. Free memory was 91.9 MB in the beginning and 84.6 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10553.24 ms. Allocated memory was 142.6 MB in the beginning and 692.1 MB in the end (delta: 549.5 MB). Free memory was 84.6 MB in the beginning and 420.6 MB in the end (delta: -336.0 MB). Peak memory consumption was 319.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 100025.88 ms. Allocated memory was 692.1 MB in the beginning and 1.1 GB in the end (delta: 398.5 MB). Free memory was 420.6 MB in the beginning and 717.3 MB in the end (delta: -296.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 16.1 GB. * Witness Printer took 1013.37 ms. Allocated memory is still 1.1 GB. Free memory was 717.3 MB in the beginning and 539.4 MB in the end (delta: 177.9 MB). Peak memory consumption was 358.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 223]: 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 - PositiveResult [Line: 223]: 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 - PositiveResult [Line: 223]: 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 8976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant [2020-12-04 18:19:19,737 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,738 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,738 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,738 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,739 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,739 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,739 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,741 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,742 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,742 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,743 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,743 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled Derived loop invariant: (((((((((((((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && b == 0) && 1 <= cond) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && aws_byte_buf_from_empty_array_#res.allocator == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && a == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && array == aws_byte_buf_from_empty_array_#res.buffer) && a == b) && unknown-#res!len-unknown == 0) && cond / 256 <= 0) && !(\result == 0)) && array == 0) && !(aws_byte_buf_from_empty_array_#res.buffer == 0)) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295 - InvariantResult [Line: 6882]: Loop Invariant Derived loop invariant: \result == 0 && !(\result == 0) - InvariantResult [Line: 7375]: Loop Invariant [2020-12-04 18:19:19,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,755 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,755 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((buf == buf && #memory_$Pointer$[buf][buf + 4] == 0) && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && 1 <= \result) && buf == buf) && \result == 0) && \result <= 1) && !(buf == 0)) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && buf == 0) && !(\result == 0)) && #memory_$Pointer$[buf][buf + 16] == 0) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) || ((((((((((((((#memory_$Pointer$[buf][buf + 4] == 0 && buf == buf) && #memory_$Pointer$[buf][buf + 4] == 0) && 1 <= \result) && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && buf == buf) && \result <= 1) && !(buf == 0)) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) && capacity == capacity) && #memory_$Pointer$[buf][buf + 16] == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) - InvariantResult [Line: 8218]: Loop Invariant [2020-12-04 18:19:19,760 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,760 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,763 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,763 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,764 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,765 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,766 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled Derived loop invariant: (((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && aws_byte_buf_from_empty_array_#res.allocator == 0) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && aws_byte_buf_from_empty_array_#res.buffer == 0) && unknown-#res!len-unknown == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) || ((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && buf == 0) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && array == aws_byte_buf_from_empty_array_#res.buffer) && unknown-#res!len-unknown == 0) && !(\result == 0)) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) - InvariantResult [Line: 7375]: Loop Invariant [2020-12-04 18:19:19,767 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,768 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,771 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,772 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,772 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,772 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,773 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,773 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,779 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,780 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-12-04 18:19:19,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-12-04 18:19:19,782 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList aws_byte_buf_from_empty_array_#res : { len : int, buffer : $Pointer$, capacity : int, allocator : $Pointer$ } not handled Derived loop invariant: ((((((((((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && \result == 0) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && bytes == 0) && array == #memory_$Pointer$[buf][buf + 4]) && unknown-#res!capacity-unknown <= 4294967296 * ((unknown-#res!capacity-unknown + -1) / 4294967296) + 4294967295) && aws_byte_buf_from_empty_array_#res.allocator == 0) && 1 <= \result) && #memory_$Pointer$[buf][buf + 16] == 0) && \result <= 1) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && capacity == capacity) && array == aws_byte_buf_from_empty_array_#res.buffer) && unknown-#res!len-unknown == 0) && !(\result == 0)) && array == 0) && array == bytes) && unknown-#memory_int-unknown[buf][buf + 12] <= 4294967296 * ((unknown-#memory_int-unknown[buf][buf + 12] + -1) / 4294967296) + 4294967295) || (((((((((((((((((aws_byte_buf_from_empty_array_#res.buffer == 0 && capacity == unknown-#memory_int-unknown[buf][buf + 12]) && #memory_$Pointer$[buf][buf + 4] == 0) && aws_byte_buf_from_empty_array_#res.allocator == 0) && 1 <= \result) && #memory_$Pointer$[buf][buf + 16] == 0) && \result <= 1) && aws_byte_buf_from_empty_array_#res.buffer == 0) && unknown-#memory_int-unknown[buf][buf] == 0) && capacity == unknown-#res!capacity-unknown) && !(buf == 0)) && unknown-#memory_int-unknown[buf][buf] == 0) && buf == 0) && #memory_$Pointer$[buf][buf + 16] == 0) && #memory_$Pointer$[buf][buf + 4] == 0) && capacity == capacity) && aws_byte_buf_from_empty_array_#res.allocator == 0) && unknown-#res!len-unknown == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 97.2s, OverallIterations: 24, TraceHistogramMax: 1, AutomataDifference: 60.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1768 SDtfs, 2303 SDslu, 4349 SDs, 0 SdLazy, 1717 SolverSat, 139 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 54.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 50 SyntacticMatches, 5 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 338 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 15 NumberOfFragments, 734 HoareAnnotationTreeSize, 6 FomulaSimplifications, 2307 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 27.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 734 NumberOfCodeBlocks, 734 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 220077 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...