./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt --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 6837ba4f09567000a99a2d3e618ad43e8cadfc25 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:17:04,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:17:04,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:17:04,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:17:04,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:17:04,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:17:04,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:17:04,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:17:04,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:17:04,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:17:04,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:17:04,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:17:04,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:17:04,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:17:04,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:17:04,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:17:04,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:17:04,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:17:04,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:17:04,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:17:04,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:17:04,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:17:04,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:17:04,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:17:04,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:17:04,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:17:04,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:17:04,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:17:04,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:17:04,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:17:04,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:17:04,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:17:04,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:17:04,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:17:04,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:17:04,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:17:04,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:17:04,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:17:04,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:17:04,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:17:04,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:17:04,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-13 01:17:04,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:17:04,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:17:04,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:17:04,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:17:04,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:17:04,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:17:04,496 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:17:04,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:17:04,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:17:04,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:17:04,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 01:17:04,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:17:04,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 01:17:04,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:17:04,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:17:04,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 01:17:04,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:17:04,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:17:04,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:17:04,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:17:04,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:17:04,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:17:04,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 01:17:04,502 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:17:04,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:17:04,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 01:17:04,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:17:04,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6837ba4f09567000a99a2d3e618ad43e8cadfc25 [2021-10-13 01:17:04,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:17:04,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:17:04,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:17:04,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:17:04,771 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:17:04,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2021-10-13 01:17:04,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/data/c402759be/7ebfcb025f8046eb8b53939f400d608c/FLAG1d049abec [2021-10-13 01:17:05,647 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:17:05,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2021-10-13 01:17:05,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/data/c402759be/7ebfcb025f8046eb8b53939f400d608c/FLAG1d049abec [2021-10-13 01:17:06,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/data/c402759be/7ebfcb025f8046eb8b53939f400d608c [2021-10-13 01:17:06,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:17:06,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:17:06,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:06,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:17:06,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:17:06,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:06" (1/1) ... [2021-10-13 01:17:06,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb60451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:06, skipping insertion in model container [2021-10-13 01:17:06,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:17:06" (1/1) ... [2021-10-13 01:17:06,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:17:06,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:17:06,588 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2021-10-13 01:17:06,595 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2021-10-13 01:17:06,613 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-13 01:17:06,618 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-13 01:17:07,460 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,461 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,461 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,462 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,463 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,476 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,477 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,479 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,480 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:07,869 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-13 01:17:07,870 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-13 01:17:07,871 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-13 01:17:07,872 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-13 01:17:07,874 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-13 01:17:07,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-13 01:17:07,875 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-13 01:17:07,876 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-13 01:17:07,877 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-13 01:17:07,880 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-13 01:17:08,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-13 01:17:08,273 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,274 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:08,404 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:17:08,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2021-10-13 01:17:08,422 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2021-10-13 01:17:08,424 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-13 01:17:08,430 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-13 01:17:08,465 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,466 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,466 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,467 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,468 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,477 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,479 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,480 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,481 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,525 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-13 01:17:08,526 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-13 01:17:08,526 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-13 01:17:08,527 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-13 01:17:08,528 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-13 01:17:08,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-13 01:17:08,529 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-13 01:17:08,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-13 01:17:08,530 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-13 01:17:08,531 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-13 01:17:08,569 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-13 01:17:08,638 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,639 WARN L1507 CHandler]: Possible shadowing of function index [2021-10-13 01:17:08,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:17:09,010 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:17:09,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09 WrapperNode [2021-10-13 01:17:09,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:17:09,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:09,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:17:09,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:17:09,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:17:09,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:17:09,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:17:09,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:17:09,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:17:09,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:17:09,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:17:09,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:17:09,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (1/1) ... [2021-10-13 01:17:09,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:17:09,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:17:09,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 01:17:09,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 01:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 01:17:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:17:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 01:17:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-13 01:17:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:17:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:17:20,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:17:20,915 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-13 01:17:20,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:20 BoogieIcfgContainer [2021-10-13 01:17:20,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:17:20,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 01:17:20,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 01:17:20,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 01:17:20,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:17:06" (1/3) ... [2021-10-13 01:17:20,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219599e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:20, skipping insertion in model container [2021-10-13 01:17:20,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:17:09" (2/3) ... [2021-10-13 01:17:20,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219599e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:17:20, skipping insertion in model container [2021-10-13 01:17:20,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:20" (3/3) ... [2021-10-13 01:17:20,925 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2021-10-13 01:17:20,931 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 01:17:20,931 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-13 01:17:20,978 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 01:17:20,984 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 01:17:20,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-13 01:17:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 73 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 01:17:21,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:21,006 INFO L512 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] [2021-10-13 01:17:21,007 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:21,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:21,012 INFO L82 PathProgramCache]: Analyzing trace with hash -34818233, now seen corresponding path program 1 times [2021-10-13 01:17:21,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:21,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995981649] [2021-10-13 01:17:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:21,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:21,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:21,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995981649] [2021-10-13 01:17:21,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995981649] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:21,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:21,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 01:17:21,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525095176] [2021-10-13 01:17:21,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 01:17:21,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:21,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 01:17:21,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:17:21,834 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 73 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:21,851 INFO L93 Difference]: Finished difference Result 141 states and 191 transitions. [2021-10-13 01:17:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 01:17:21,852 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 01:17:21,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:21,861 INFO L225 Difference]: With dead ends: 141 [2021-10-13 01:17:21,861 INFO L226 Difference]: Without dead ends: 69 [2021-10-13 01:17:21,868 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 01:17:21,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-13 01:17:21,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-13 01:17:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.323076923076923) internal successors, (86), 68 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2021-10-13 01:17:21,920 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 25 [2021-10-13 01:17:21,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:21,922 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2021-10-13 01:17:21,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:21,926 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2021-10-13 01:17:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 01:17:21,928 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:21,928 INFO L512 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] [2021-10-13 01:17:21,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 01:17:21,933 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:21,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1661813309, now seen corresponding path program 1 times [2021-10-13 01:17:21,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:21,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571687320] [2021-10-13 01:17:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:21,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:22,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:22,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571687320] [2021-10-13 01:17:22,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571687320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:22,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:22,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:22,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351839160] [2021-10-13 01:17:22,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:22,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:22,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:22,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:22,349 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:22,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:22,446 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2021-10-13 01:17:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:17:22,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 01:17:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:22,449 INFO L225 Difference]: With dead ends: 115 [2021-10-13 01:17:22,449 INFO L226 Difference]: Without dead ends: 69 [2021-10-13 01:17:22,450 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:22,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-13 01:17:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-13 01:17:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 68 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 84 transitions. [2021-10-13 01:17:22,467 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 84 transitions. Word has length 25 [2021-10-13 01:17:22,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:22,467 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 84 transitions. [2021-10-13 01:17:22,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2021-10-13 01:17:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 01:17:22,470 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:22,471 INFO L512 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] [2021-10-13 01:17:22,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 01:17:22,471 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:22,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:22,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1724098915, now seen corresponding path program 1 times [2021-10-13 01:17:22,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:22,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414283257] [2021-10-13 01:17:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:22,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:22,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:22,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414283257] [2021-10-13 01:17:22,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414283257] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:22,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:22,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:22,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812461681] [2021-10-13 01:17:22,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:22,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:22,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:22,827 INFO L87 Difference]: Start difference. First operand 69 states and 84 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:23,007 INFO L93 Difference]: Finished difference Result 168 states and 213 transitions. [2021-10-13 01:17:23,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:17:23,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 01:17:23,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:23,013 INFO L225 Difference]: With dead ends: 168 [2021-10-13 01:17:23,013 INFO L226 Difference]: Without dead ends: 113 [2021-10-13 01:17:23,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:23,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-13 01:17:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 73. [2021-10-13 01:17:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 72 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2021-10-13 01:17:23,029 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 37 [2021-10-13 01:17:23,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:23,029 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2021-10-13 01:17:23,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2021-10-13 01:17:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 01:17:23,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:23,033 INFO L512 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] [2021-10-13 01:17:23,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 01:17:23,034 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:23,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:23,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1864647525, now seen corresponding path program 1 times [2021-10-13 01:17:23,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:23,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385339756] [2021-10-13 01:17:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:23,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:23,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:23,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385339756] [2021-10-13 01:17:23,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385339756] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:23,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:23,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:23,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784971749] [2021-10-13 01:17:23,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:23,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:23,412 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:23,560 INFO L93 Difference]: Finished difference Result 142 states and 173 transitions. [2021-10-13 01:17:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:17:23,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 01:17:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:23,563 INFO L225 Difference]: With dead ends: 142 [2021-10-13 01:17:23,563 INFO L226 Difference]: Without dead ends: 93 [2021-10-13 01:17:23,564 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:23,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-13 01:17:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 77. [2021-10-13 01:17:23,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 76 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2021-10-13 01:17:23,578 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 37 [2021-10-13 01:17:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:23,579 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2021-10-13 01:17:23,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2021-10-13 01:17:23,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-13 01:17:23,582 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:23,582 INFO L512 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] [2021-10-13 01:17:23,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 01:17:23,583 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:23,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:23,584 INFO L82 PathProgramCache]: Analyzing trace with hash 811988131, now seen corresponding path program 1 times [2021-10-13 01:17:23,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:23,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901528206] [2021-10-13 01:17:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:23,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:27,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:27,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901528206] [2021-10-13 01:17:27,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901528206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:27,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:27,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 01:17:27,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455914406] [2021-10-13 01:17:27,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 01:17:27,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:27,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 01:17:27,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:17:27,090 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:32,063 INFO L93 Difference]: Finished difference Result 128 states and 151 transitions. [2021-10-13 01:17:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 01:17:32,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-13 01:17:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:32,065 INFO L225 Difference]: With dead ends: 128 [2021-10-13 01:17:32,065 INFO L226 Difference]: Without dead ends: 77 [2021-10-13 01:17:32,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 437.2ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-13 01:17:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-13 01:17:32,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2021-10-13 01:17:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 72 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 86 transitions. [2021-10-13 01:17:32,072 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 86 transitions. Word has length 37 [2021-10-13 01:17:32,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:32,072 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 86 transitions. [2021-10-13 01:17:32,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2021-10-13 01:17:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-13 01:17:32,074 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:32,074 INFO L512 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] [2021-10-13 01:17:32,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 01:17:32,074 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:32,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:32,075 INFO L82 PathProgramCache]: Analyzing trace with hash 70791141, now seen corresponding path program 1 times [2021-10-13 01:17:32,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:32,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641365283] [2021-10-13 01:17:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:32,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:32,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:32,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641365283] [2021-10-13 01:17:32,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641365283] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:32,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:32,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 01:17:32,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687355245] [2021-10-13 01:17:32,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 01:17:32,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:32,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:17:32,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:17:32,823 INFO L87 Difference]: Start difference. First operand 73 states and 86 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:33,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:33,186 INFO L93 Difference]: Finished difference Result 128 states and 148 transitions. [2021-10-13 01:17:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:17:33,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-10-13 01:17:33,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:33,187 INFO L225 Difference]: With dead ends: 128 [2021-10-13 01:17:33,188 INFO L226 Difference]: Without dead ends: 73 [2021-10-13 01:17:33,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 239.9ms TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-13 01:17:33,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-13 01:17:33,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-13 01:17:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 72 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2021-10-13 01:17:33,194 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 45 [2021-10-13 01:17:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2021-10-13 01:17:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2021-10-13 01:17:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 01:17:33,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:33,195 INFO L512 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] [2021-10-13 01:17:33,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 01:17:33,200 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:33,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:33,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1141387003, now seen corresponding path program 1 times [2021-10-13 01:17:33,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:33,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030380335] [2021-10-13 01:17:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:33,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:33,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:33,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030380335] [2021-10-13 01:17:33,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030380335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:33,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:33,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:17:33,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254066552] [2021-10-13 01:17:33,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:17:33,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:17:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:33,847 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:36,490 INFO L93 Difference]: Finished difference Result 176 states and 203 transitions. [2021-10-13 01:17:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:17:36,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-13 01:17:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:36,493 INFO L225 Difference]: With dead ends: 176 [2021-10-13 01:17:36,493 INFO L226 Difference]: Without dead ends: 122 [2021-10-13 01:17:36,494 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 127.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:17:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-13 01:17:36,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 79. [2021-10-13 01:17:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 75 states have (on average 1.2) internal successors, (90), 78 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2021-10-13 01:17:36,507 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 49 [2021-10-13 01:17:36,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:36,508 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2021-10-13 01:17:36,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-10-13 01:17:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 01:17:36,511 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:36,511 INFO L512 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] [2021-10-13 01:17:36,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 01:17:36,511 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:36,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:36,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1565232391, now seen corresponding path program 1 times [2021-10-13 01:17:36,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:36,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146941707] [2021-10-13 01:17:36,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:36,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:36,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:36,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146941707] [2021-10-13 01:17:36,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146941707] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:36,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:36,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 01:17:36,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765670772] [2021-10-13 01:17:36,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 01:17:36,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:36,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:17:36,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:17:36,806 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:36,931 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2021-10-13 01:17:36,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 01:17:36,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-13 01:17:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:36,933 INFO L225 Difference]: With dead ends: 138 [2021-10-13 01:17:36,933 INFO L226 Difference]: Without dead ends: 69 [2021-10-13 01:17:36,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-13 01:17:36,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-13 01:17:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 68 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2021-10-13 01:17:36,943 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 49 [2021-10-13 01:17:36,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:36,944 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2021-10-13 01:17:36,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2021-10-13 01:17:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-10-13 01:17:36,951 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:36,951 INFO L512 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] [2021-10-13 01:17:36,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 01:17:36,952 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:36,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:36,952 INFO L82 PathProgramCache]: Analyzing trace with hash -922532285, now seen corresponding path program 1 times [2021-10-13 01:17:36,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:36,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832844617] [2021-10-13 01:17:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:36,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:40,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:40,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832844617] [2021-10-13 01:17:40,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832844617] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:40,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:40,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:17:40,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527684796] [2021-10-13 01:17:40,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:17:40,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:40,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:17:40,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:17:40,538 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:43,058 INFO L93 Difference]: Finished difference Result 69 states and 74 transitions. [2021-10-13 01:17:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:17:43,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-10-13 01:17:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:43,069 INFO L225 Difference]: With dead ends: 69 [2021-10-13 01:17:43,069 INFO L226 Difference]: Without dead ends: 67 [2021-10-13 01:17:43,069 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 189.6ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:17:43,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-13 01:17:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-13 01:17:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.125) internal successors, (72), 66 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2021-10-13 01:17:43,074 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 49 [2021-10-13 01:17:43,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:43,074 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2021-10-13 01:17:43,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-10-13 01:17:43,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 01:17:43,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:43,075 INFO L512 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] [2021-10-13 01:17:43,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 01:17:43,076 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:43,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:43,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1790132923, now seen corresponding path program 1 times [2021-10-13 01:17:43,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:43,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583964927] [2021-10-13 01:17:43,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:43,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:45,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:45,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:45,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583964927] [2021-10-13 01:17:45,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583964927] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:45,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:45,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:17:45,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6952174] [2021-10-13 01:17:45,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:17:45,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:45,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:17:45,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:17:45,733 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:48,154 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2021-10-13 01:17:48,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:17:48,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-13 01:17:48,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:48,156 INFO L225 Difference]: With dead ends: 67 [2021-10-13 01:17:48,156 INFO L226 Difference]: Without dead ends: 65 [2021-10-13 01:17:48,156 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 204.0ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:17:48,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-13 01:17:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-13 01:17:48,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 63 states have (on average 1.1111111111111112) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2021-10-13 01:17:48,160 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 51 [2021-10-13 01:17:48,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:48,161 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2021-10-13 01:17:48,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:48,161 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2021-10-13 01:17:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-13 01:17:48,161 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:48,162 INFO L512 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] [2021-10-13 01:17:48,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 01:17:48,162 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:48,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1964276967, now seen corresponding path program 1 times [2021-10-13 01:17:48,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:48,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73872254] [2021-10-13 01:17:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:48,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:48,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:48,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73872254] [2021-10-13 01:17:48,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73872254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:48,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:48,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:17:48,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641665305] [2021-10-13 01:17:48,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 01:17:48,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:48,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 01:17:48,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 01:17:48,604 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:51,030 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2021-10-13 01:17:51,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:17:51,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-10-13 01:17:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:51,031 INFO L225 Difference]: With dead ends: 65 [2021-10-13 01:17:51,031 INFO L226 Difference]: Without dead ends: 63 [2021-10-13 01:17:51,031 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 118.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:17:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-13 01:17:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-10-13 01:17:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.096774193548387) internal successors, (68), 62 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2021-10-13 01:17:51,035 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 53 [2021-10-13 01:17:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:51,036 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2021-10-13 01:17:51,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2021-10-13 01:17:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 01:17:51,036 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 01:17:51,036 INFO L512 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] [2021-10-13 01:17:51,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 01:17:51,037 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-13 01:17:51,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:17:51,037 INFO L82 PathProgramCache]: Analyzing trace with hash -2115314391, now seen corresponding path program 1 times [2021-10-13 01:17:51,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:17:51,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116004528] [2021-10-13 01:17:51,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:17:51,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:17:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:17:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:17:54,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:17:54,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116004528] [2021-10-13 01:17:54,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116004528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:17:54,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:17:54,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:17:54,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698797305] [2021-10-13 01:17:54,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 01:17:54,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:17:54,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:17:54,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:17:54,570 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:17:57,030 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2021-10-13 01:17:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:17:57,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-13 01:17:57,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 01:17:57,031 INFO L225 Difference]: With dead ends: 63 [2021-10-13 01:17:57,031 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 01:17:57,031 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 161.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 01:17:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 01:17:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 01:17:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 01:17:57,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-10-13 01:17:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 01:17:57,032 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:17:57,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:17:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:17:57,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 01:17:57,035 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:17:57,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:17:57,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:17:57,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 01:17:57,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 01:17:57,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 01:17:57,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 01:17:57,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,579 INFO L857 garLoopResultBuilder]: For program point L7063(lines 7063 7067) no Hoare annotation was computed. [2021-10-13 01:17:57,579 INFO L857 garLoopResultBuilder]: For program point L7055(lines 7055 7068) no Hoare annotation was computed. [2021-10-13 01:17:57,579 INFO L857 garLoopResultBuilder]: For program point L6609(lines 6609 6614) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L6610(lines 6610 6612) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L6610-2(lines 6610 6612) no Hoare annotation was computed. [2021-10-13 01:17:57,580 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L7205-2(lines 7205 7207) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L7205(line 7205) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L7205-4(lines 7205 7207) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-13 01:17:57,581 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L7181-3(line 7181) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L7181-1(line 7181) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L7181(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,582 INFO L857 garLoopResultBuilder]: For program point L7181-7(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,583 INFO L857 garLoopResultBuilder]: For program point L7181-6(lines 7181 7182) no Hoare annotation was computed. [2021-10-13 01:17:57,583 INFO L857 garLoopResultBuilder]: For program point L7181-4(lines 7181 7182) no Hoare annotation was computed. [2021-10-13 01:17:57,583 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (= ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED (+ ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 4))) [2021-10-13 01:17:57,583 INFO L857 garLoopResultBuilder]: For program point L7181-11(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,583 INFO L853 garLoopResultBuilder]: At program point L6884(lines 6883 6885) the Hoare annotation is: (and (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (= ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED (+ ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 4))) [2021-10-13 01:17:57,583 INFO L857 garLoopResultBuilder]: For program point L7181-9(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-14(line 7181) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-13(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L853 garLoopResultBuilder]: At program point L7181-12(lines 7179 7185) the Hoare annotation is: (and (= ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 0) (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base) (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 4)) 0)) (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (= ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED (+ ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED) 0))) [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-19(lines 7181 7182) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-17(lines 7181 7182) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-16(line 7181) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-22(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,584 INFO L857 garLoopResultBuilder]: For program point L7181-20(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L853 garLoopResultBuilder]: At program point L7181-25(lines 7179 7185) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 0)) (.cse1 (not (= (select (select |#memory_$Pointer$.base| ULTIMATE.start_aws_byte_buf_is_valid_~buf.base) (+ ULTIMATE.start_aws_byte_buf_is_valid_~buf.offset 4)) 0))) (.cse2 (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0))) (.cse3 (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0))) (.cse4 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset| 0)) (.cse5 (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base)) (.cse6 (= ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED (+ ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 4))) (.cse7 (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED) 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_aws_byte_buf_clean_up_~buf.offset 0) .cse5 (= ULTIMATE.start_aws_byte_buf_clean_up_~buf.base |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base|) .cse6 .cse7) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_aws_byte_buf_is_valid_#res| 0) .cse3 (<= 0 |ULTIMATE.start_aws_byte_buf_is_valid_#res|) .cse4 .cse5 .cse6 .cse7))) [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L7181-24(lines 7181 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L222-2(lines 222 224) no Hoare annotation was computed. [2021-10-13 01:17:57,585 INFO L857 garLoopResultBuilder]: For program point L222-3(lines 222 224) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184-2(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184-6(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184-4(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184-3(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,586 INFO L857 garLoopResultBuilder]: For program point L7184-9(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-8(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-13(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-12(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-11(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-17(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,587 INFO L857 garLoopResultBuilder]: For program point L7184-15(line 7184) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-6(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-7(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-9(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,588 INFO L857 garLoopResultBuilder]: For program point L223-10(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,601 INFO L860 garLoopResultBuilder]: At program point L8779(line 8779) the Hoare annotation is: true [2021-10-13 01:17:57,601 INFO L853 garLoopResultBuilder]: At program point L6880(lines 6876 6881) the Hoare annotation is: (and (not (= |ULTIMATE.start_bounded_malloc_#res.base| 0)) (not (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| 0)) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3.base| ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.base) (= ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED (+ ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf.offset 4))) [2021-10-13 01:17:57,601 INFO L857 garLoopResultBuilder]: For program point L8763(lines 8763 8778) no Hoare annotation was computed. [2021-10-13 01:17:57,601 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-13 01:17:57,602 INFO L857 garLoopResultBuilder]: For program point L7203(lines 7203 7216) no Hoare annotation was computed. [2021-10-13 01:17:57,606 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 01:17:57,616 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,623 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,631 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,632 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,637 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,638 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,639 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,641 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,642 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,643 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,644 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,646 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,648 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,650 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,660 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,661 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,662 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,662 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:57,662 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:57,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:17:57 BoogieIcfgContainer [2021-10-13 01:17:57,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 01:17:57,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:17:57,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:17:57,664 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:17:57,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:17:20" (3/4) ... [2021-10-13 01:17:57,675 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 01:17:57,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2021-10-13 01:17:57,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-10-13 01:17:57,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-10-13 01:17:57,714 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 01:17:57,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 01:17:57,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 01:17:57,718 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 01:17:57,719 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 01:17:57,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && !(buf == 0)) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4 [2021-10-13 01:17:57,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && !(buf == 0)) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0) [2021-10-13 01:17:57,751 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && !(buf == 0)) && buf == 0) && buf == 0) && buf == buf) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) || (((((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && \result <= 0) && !(buf == 0)) && 0 <= \result) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) [2021-10-13 01:17:58,650 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:17:58,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:17:58,652 INFO L168 Benchmark]: Toolchain (without parser) took 52467.50 ms. Allocated memory was 98.6 MB in the beginning and 553.6 MB in the end (delta: 455.1 MB). Free memory was 55.8 MB in the beginning and 390.0 MB in the end (delta: -334.2 MB). Peak memory consumption was 368.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,653 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 70.1 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:17:58,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2825.60 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 47.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 248.24 ms. Allocated memory is still 125.8 MB. Free memory was 47.4 MB in the beginning and 71.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,654 INFO L168 Benchmark]: Boogie Preprocessor took 124.17 ms. Allocated memory is still 125.8 MB. Free memory was 71.4 MB in the beginning and 64.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,655 INFO L168 Benchmark]: RCFGBuilder took 11531.73 ms. Allocated memory was 125.8 MB in the beginning and 318.8 MB in the end (delta: 192.9 MB). Free memory was 64.5 MB in the beginning and 92.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 187.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,655 INFO L168 Benchmark]: TraceAbstraction took 36744.26 ms. Allocated memory was 318.8 MB in the beginning and 553.6 MB in the end (delta: 234.9 MB). Free memory was 91.0 MB in the beginning and 223.4 MB in the end (delta: -132.4 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,655 INFO L168 Benchmark]: Witness Printer took 987.47 ms. Allocated memory is still 553.6 MB. Free memory was 223.4 MB in the beginning and 390.0 MB in the end (delta: -166.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:58,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 98.6 MB. Free memory was 70.1 MB in the beginning and 70.1 MB in the end (delta: 26.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2825.60 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 55.6 MB in the beginning and 47.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 60.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 248.24 ms. Allocated memory is still 125.8 MB. Free memory was 47.4 MB in the beginning and 71.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.17 ms. Allocated memory is still 125.8 MB. Free memory was 71.4 MB in the beginning and 64.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11531.73 ms. Allocated memory was 125.8 MB in the beginning and 318.8 MB in the end (delta: 192.9 MB). Free memory was 64.5 MB in the beginning and 92.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 187.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36744.26 ms. Allocated memory was 318.8 MB in the beginning and 553.6 MB in the end (delta: 234.9 MB). Free memory was 91.0 MB in the beginning and 223.4 MB in the end (delta: -132.4 MB). Peak memory consumption was 101.5 MB. Max. memory is 16.1 GB. * Witness Printer took 987.47 ms. Allocated memory is still 553.6 MB. Free memory was 223.4 MB in the beginning and 390.0 MB in the end (delta: -166.6 MB). Peak memory consumption was 81.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED - 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: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 36629.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 32.6ms, AutomataDifference: 18451.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 532.1ms, InitialAbstractionConstructionTime: 10.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 863 SDtfs, 787 SDslu, 1551 SDs, 0 SdLazy, 510 SolverSat, 47 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 16144.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1670.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 126.2ms AutomataMinimizationTime, 12 MinimizatonAttempts, 103 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 189 HoareAnnotationTreeSize, 6 FomulaSimplifications, 178 FormulaSimplificationTreeSizeReduction, 32.4ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 491.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 303.7ms SsaConstructionTime, 13184.9ms SatisfiabilityAnalysisTime, 3580.1ms InterpolantComputationTime, 512 NumberOfCodeBlocks, 512 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 500 ConstructedInterpolants, 0 QuantifiedInterpolants, 1786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 6876]: Loop Invariant [2021-10-13 01:17:58,669 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,670 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED Derived loop invariant: (((!(\result == 0) && !(buf == 0)) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4 - InvariantResult [Line: 7179]: Loop Invariant [2021-10-13 01:17:58,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,671 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,672 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,673 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,674 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED Derived loop invariant: (((((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && !(buf == 0)) && buf == 0) && buf == 0) && buf == buf) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) || (((((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && \result <= 0) && !(buf == 0)) && 0 <= \result) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0)) - InvariantResult [Line: 8779]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6883]: Loop Invariant [2021-10-13 01:17:58,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,676 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED Derived loop invariant: ((!(buf == 0) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4 - InvariantResult [Line: 261]: Loop Invariant [2021-10-13 01:17:58,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,677 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED Derived loop invariant: ((!(buf == 0) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4 - InvariantResult [Line: 7179]: Loop Invariant [2021-10-13 01:17:58,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED [2021-10-13 01:17:58,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-13 01:17:58,679 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED Derived loop invariant: ((((((buf == 0 && !(#memory_$Pointer$[buf][buf + 4] == 0)) && !(\result == 0)) && !(buf == 0)) && buf == 0) && buf == buf) && ~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED == buf + 4) && !(#memory_$Pointer$[buf][~aws_common_error~0~AWS_ERROR_OVERFLOW_DETECTED] == 0) RESULT: Ultimate proved your program to be correct! [2021-10-13 01:17:58,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418b66da-431b-46d3-ae35-13b0563e1846/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...