./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD --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 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:02:58,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:02:58,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:02:58,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:02:58,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:02:58,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:02:58,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:02:58,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:02:58,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:02:58,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:02:58,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:02:58,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:02:58,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:02:58,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:02:58,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:02:58,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:02:58,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:02:58,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:02:58,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:02:58,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:02:58,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:02:58,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:02:58,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:02:58,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:02:58,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:02:58,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:02:58,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:02:58,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:02:58,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:02:58,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:02:58,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:02:58,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:02:58,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:02:58,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:02:58,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:02:58,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:02:58,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:02:58,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:02:58,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:02:58,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:02:58,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:02:58,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 23:02:58,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:02:58,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:02:58,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:02:58,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:02:58,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:02:58,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:02:58,672 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:02:58,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:02:58,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:02:58,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:02:58,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:02:58,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:02:58,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:02:58,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:02:58,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:02:58,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:02:58,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:02:58,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:02:58,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:02:58,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:02:58,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:02:58,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:02:58,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:02:58,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:02:58,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:02:58,678 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:02:58,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:02:58,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:02:58,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:02:58,679 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_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2359aa88e8e7d743df9393581b2f3fdb25ac15a45b4f8f680bad72fb64c83223 [2021-10-28 23:02:58,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:02:59,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:02:59,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:02:59,028 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:02:59,029 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:02:59,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-10-28 23:02:59,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/data/b30256893/aed8022e603d4ebc92144dc6fccdcbe3/FLAGd9ca10c8a [2021-10-28 23:03:00,121 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:03:00,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i [2021-10-28 23:03:00,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/data/b30256893/aed8022e603d4ebc92144dc6fccdcbe3/FLAGd9ca10c8a [2021-10-28 23:03:00,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/data/b30256893/aed8022e603d4ebc92144dc6fccdcbe3 [2021-10-28 23:03:00,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:03:00,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:03:00,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:03:00,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:03:00,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:03:00,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:03:00" (1/1) ... [2021-10-28 23:03:00,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335df34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:00, skipping insertion in model container [2021-10-28 23:03:00,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:03:00" (1/1) ... [2021-10-28 23:03:00,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:03:00,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:03:01,080 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_fe91c377-536e-4c33-9a90-7c6ddad84aed/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-10-28 23:03:01,089 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_fe91c377-536e-4c33-9a90-7c6ddad84aed/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-10-28 23:03:01,121 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:03:01,128 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:03:02,293 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,298 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,299 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,300 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,301 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,314 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,315 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,316 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,317 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,318 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,319 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,320 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,320 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:02,827 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:03:02,828 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:03:02,843 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:03:02,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:03:02,846 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:03:02,846 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:03:02,847 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:03:02,848 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:03:02,849 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:03:02,855 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:03:03,075 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:03:03,418 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,418 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,441 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,442 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,448 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,449 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,464 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,465 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,466 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,466 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,467 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,467 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,468 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:03:03,544 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:03:03,573 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_fe91c377-536e-4c33-9a90-7c6ddad84aed/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4489,4502] [2021-10-28 23:03:03,574 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_fe91c377-536e-4c33-9a90-7c6ddad84aed/sv-benchmarks/c/aws-c-common/aws_hash_string_harness.i[4549,4562] [2021-10-28 23:03:03,575 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-10-28 23:03:03,584 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-10-28 23:03:03,632 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,633 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,635 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,636 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,636 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,644 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,644 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,645 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,645 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,646 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,647 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,647 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,647 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-10-28 23:03:03,686 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-10-28 23:03:03,689 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-10-28 23:03:03,690 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-10-28 23:03:03,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-10-28 23:03:03,691 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-10-28 23:03:03,692 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-10-28 23:03:03,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-10-28 23:03:03,693 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-10-28 23:03:03,694 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-10-28 23:03:03,727 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-10-28 23:03:03,857 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,857 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,871 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,871 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,874 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,875 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,884 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,884 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,885 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,886 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,886 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,887 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,925 WARN L1513 CHandler]: Possible shadowing of function index [2021-10-28 23:03:03,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:03:04,268 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:03:04,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04 WrapperNode [2021-10-28 23:03:04,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:03:04,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:03:04,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:03:04,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:03:04,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:03:04,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:03:04,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:03:04,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:03:04,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:03:04,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:03:04,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:03:04,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:03:04,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (1/1) ... [2021-10-28 23:03:04,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:03:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:03:04,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:03:04,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:03:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:03:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:03:04,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:03:04,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-28 23:03:04,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:03:14,829 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume !true; [2021-10-28 23:03:14,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:03:14,836 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2021-10-28 23:03:14,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:14 BoogieIcfgContainer [2021-10-28 23:03:14,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:03:14,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:03:14,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:03:14,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:03:14,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:03:00" (1/3) ... [2021-10-28 23:03:14,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d33a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:03:14, skipping insertion in model container [2021-10-28 23:03:14,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:03:04" (2/3) ... [2021-10-28 23:03:14,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d33a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:03:14, skipping insertion in model container [2021-10-28 23:03:14,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:14" (3/3) ... [2021-10-28 23:03:14,847 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_string_harness.i [2021-10-28 23:03:14,853 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:03:14,853 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:03:14,910 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:03:14,916 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:03:14,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:03:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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) [2021-10-28 23:03:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 23:03:14,962 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:03:14,963 INFO L513 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] [2021-10-28 23:03:14,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:03:14,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash -2017125498, now seen corresponding path program 1 times [2021-10-28 23:03:14,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:03:14,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312423536] [2021-10-28 23:03:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:14,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:03:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:15,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:03:15,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312423536] [2021-10-28 23:03:15,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312423536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:03:15,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:03:15,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:03:15,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526743483] [2021-10-28 23:03:15,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:03:15,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:03:15,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:03:15,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:03:15,748 INFO L87 Difference]: Start difference. First operand has 115 states, 113 states have (on average 1.5575221238938053) internal successors, (176), 114 states have internal predecessors, (176), 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 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-10-28 23:03:15,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:03:15,774 INFO L93 Difference]: Finished difference Result 225 states and 346 transitions. [2021-10-28 23:03:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:03:15,776 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-10-28 23:03:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:03:15,784 INFO L225 Difference]: With dead ends: 225 [2021-10-28 23:03:15,784 INFO L226 Difference]: Without dead ends: 108 [2021-10-28 23:03:15,787 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:03:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-10-28 23:03:15,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-10-28 23:03:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.4953271028037383) internal successors, (160), 107 states have internal predecessors, (160), 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) [2021-10-28 23:03:15,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 160 transitions. [2021-10-28 23:03:15,826 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 160 transitions. Word has length 44 [2021-10-28 23:03:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:03:15,827 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 160 transitions. [2021-10-28 23:03:15,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-10-28 23:03:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2021-10-28 23:03:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-28 23:03:15,829 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:03:15,829 INFO L513 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] [2021-10-28 23:03:15,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:03:15,830 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:03:15,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:03:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1074584392, now seen corresponding path program 1 times [2021-10-28 23:03:15,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:03:15,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658310834] [2021-10-28 23:03:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:03:15,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:03:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:03:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:03:17,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:03:17,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658310834] [2021-10-28 23:03:17,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658310834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:03:17,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:03:17,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:03:17,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123799238] [2021-10-28 23:03:17,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:03:17,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:03:17,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:03:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:03:17,129 INFO L87 Difference]: Start difference. First operand 108 states and 160 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-28 23:03:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:03:17,353 INFO L93 Difference]: Finished difference Result 108 states and 160 transitions. [2021-10-28 23:03:17,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:03:17,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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 44 [2021-10-28 23:03:17,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:03:17,354 INFO L225 Difference]: With dead ends: 108 [2021-10-28 23:03:17,354 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:03:17,356 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:03:17,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:03:17,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:03:17,357 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) [2021-10-28 23:03:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:03:17,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-10-28 23:03:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:03:17,357 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:03:17,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-10-28 23:03:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:03:17,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:03:17,361 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:03:17,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:03:17,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:03:17,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:03:17,447 INFO L857 garLoopResultBuilder]: For program point L8921(line 8921) no Hoare annotation was computed. [2021-10-28 23:03:17,447 INFO L857 garLoopResultBuilder]: For program point L8921-2(line 8921) no Hoare annotation was computed. [2021-10-28 23:03:17,447 INFO L857 garLoopResultBuilder]: For program point L8971(line 8971) no Hoare annotation was computed. [2021-10-28 23:03:17,447 INFO L857 garLoopResultBuilder]: For program point L8872(line 8872) no Hoare annotation was computed. [2021-10-28 23:03:17,447 INFO L857 garLoopResultBuilder]: For program point L8922(line 8922) no Hoare annotation was computed. [2021-10-28 23:03:17,448 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:03:17,448 INFO L857 garLoopResultBuilder]: For program point L8856-3(lines 8856 8864) no Hoare annotation was computed. [2021-10-28 23:03:17,448 INFO L853 garLoopResultBuilder]: At program point L8856-2(lines 8856 8864) the Hoare annotation is: false [2021-10-28 23:03:17,448 INFO L857 garLoopResultBuilder]: For program point L8873(line 8873) no Hoare annotation was computed. [2021-10-28 23:03:17,448 INFO L853 garLoopResultBuilder]: At program point L8956(lines 8956 8972) the Hoare annotation is: false [2021-10-28 23:03:17,449 INFO L853 garLoopResultBuilder]: At program point L8890-2(lines 8890 8898) the Hoare annotation is: false [2021-10-28 23:03:17,449 INFO L857 garLoopResultBuilder]: For program point L8890-3(lines 8890 8898) no Hoare annotation was computed. [2021-10-28 23:03:17,449 INFO L857 garLoopResultBuilder]: For program point L8874(line 8874) no Hoare annotation was computed. [2021-10-28 23:03:17,449 INFO L857 garLoopResultBuilder]: For program point L8924(line 8924) no Hoare annotation was computed. [2021-10-28 23:03:17,449 INFO L857 garLoopResultBuilder]: For program point L8924-2(line 8924) no Hoare annotation was computed. [2021-10-28 23:03:17,449 INFO L853 garLoopResultBuilder]: At program point L6876(lines 6867 6877) the Hoare annotation is: false [2021-10-28 23:03:17,450 INFO L857 garLoopResultBuilder]: For program point L8908(line 8908) no Hoare annotation was computed. [2021-10-28 23:03:17,450 INFO L857 garLoopResultBuilder]: For program point L8875(line 8875) no Hoare annotation was computed. [2021-10-28 23:03:17,450 INFO L857 garLoopResultBuilder]: For program point L8908-2(line 8908) no Hoare annotation was computed. [2021-10-28 23:03:17,450 INFO L857 garLoopResultBuilder]: For program point L10246(lines 10246 10249) no Hoare annotation was computed. [2021-10-28 23:03:17,450 INFO L857 garLoopResultBuilder]: For program point L8925(line 8925) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L8958-2(line 8958) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L8958(line 8958) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L8909(line 8909) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L8876(line 8876) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L8959-2(line 8959) no Hoare annotation was computed. [2021-10-28 23:03:17,451 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-10-28 23:03:17,452 INFO L857 garLoopResultBuilder]: For program point L8959(line 8959) no Hoare annotation was computed. [2021-10-28 23:03:17,452 INFO L857 garLoopResultBuilder]: For program point L8877(line 8877) no Hoare annotation was computed. [2021-10-28 23:03:17,452 INFO L853 garLoopResultBuilder]: At program point L9951-2(line 9951) the Hoare annotation is: false [2021-10-28 23:03:17,452 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:03:17,452 INFO L857 garLoopResultBuilder]: For program point L9951-3(line 9951) no Hoare annotation was computed. [2021-10-28 23:03:17,452 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L8960(line 8960) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L8927(line 8927) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L8960-2(line 8960) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L8878(line 8878) no Hoare annotation was computed. [2021-10-28 23:03:17,453 INFO L857 garLoopResultBuilder]: For program point L8961(line 8961) no Hoare annotation was computed. [2021-10-28 23:03:17,454 INFO L857 garLoopResultBuilder]: For program point L8961-2(line 8961) no Hoare annotation was computed. [2021-10-28 23:03:17,454 INFO L853 garLoopResultBuilder]: At program point L6864(lines 6861 6865) the Hoare annotation is: false [2021-10-28 23:03:17,454 INFO L860 garLoopResultBuilder]: At program point L10250(line 10250) the Hoare annotation is: true [2021-10-28 23:03:17,454 INFO L857 garLoopResultBuilder]: For program point L8879(line 8879) no Hoare annotation was computed. [2021-10-28 23:03:17,454 INFO L857 garLoopResultBuilder]: For program point L8962(line 8962) no Hoare annotation was computed. [2021-10-28 23:03:17,454 INFO L853 garLoopResultBuilder]: At program point L6947(lines 6943 6948) the Hoare annotation is: false [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8929(line 8929) no Hoare annotation was computed. [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8962-2(line 8962) no Hoare annotation was computed. [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8913(line 8913) no Hoare annotation was computed. [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8880(line 8880) no Hoare annotation was computed. [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8913-2(line 8913) no Hoare annotation was computed. [2021-10-28 23:03:17,455 INFO L857 garLoopResultBuilder]: For program point L8963(line 8963) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L8963-2(line 8963) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L8914(line 8914) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:03:17,456 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L8881(line 8881) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L8964(line 8964) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L8964-2(line 8964) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L6305-2(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L6305-3(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,457 INFO L857 garLoopResultBuilder]: For program point L6305(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L853 garLoopResultBuilder]: At program point L6305-6(lines 6301 6306) the Hoare annotation is: false [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L6305-7(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L6305-5(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L6305-10(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L6305-9(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L8882(line 8882) no Hoare annotation was computed. [2021-10-28 23:03:17,458 INFO L857 garLoopResultBuilder]: For program point L6305-14(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L6305-12(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L853 garLoopResultBuilder]: At program point L6305-13(lines 6301 6306) the Hoare annotation is: false [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L6305-19(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-10-28 23:03:17,459 INFO L857 garLoopResultBuilder]: For program point L6305-16(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,460 INFO L857 garLoopResultBuilder]: For program point L6305-17(line 6305) no Hoare annotation was computed. [2021-10-28 23:03:17,460 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-10-28 23:03:17,460 INFO L853 garLoopResultBuilder]: At program point L6305-20(lines 6301 6306) the Hoare annotation is: false [2021-10-28 23:03:17,460 INFO L857 garLoopResultBuilder]: For program point L8965(line 8965) no Hoare annotation was computed. [2021-10-28 23:03:17,460 INFO L857 garLoopResultBuilder]: For program point L8965-2(line 8965) no Hoare annotation was computed. [2021-10-28 23:03:17,460 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-10-28 23:03:17,461 INFO L853 garLoopResultBuilder]: At program point L6951(lines 6950 6952) the Hoare annotation is: false [2021-10-28 23:03:17,461 INFO L857 garLoopResultBuilder]: For program point L8966-2(line 8966) no Hoare annotation was computed. [2021-10-28 23:03:17,461 INFO L857 garLoopResultBuilder]: For program point L8966(line 8966) no Hoare annotation was computed. [2021-10-28 23:03:17,461 INFO L857 garLoopResultBuilder]: For program point L8917(line 8917) no Hoare annotation was computed. [2021-10-28 23:03:17,461 INFO L857 garLoopResultBuilder]: For program point L8917-2(line 8917) no Hoare annotation was computed. [2021-10-28 23:03:17,461 INFO L857 garLoopResultBuilder]: For program point L8967-2(line 8967) no Hoare annotation was computed. [2021-10-28 23:03:17,462 INFO L853 garLoopResultBuilder]: At program point L8868(lines 8868 8883) the Hoare annotation is: false [2021-10-28 23:03:17,462 INFO L857 garLoopResultBuilder]: For program point L8967(line 8967) no Hoare annotation was computed. [2021-10-28 23:03:17,462 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:03:17,462 INFO L857 garLoopResultBuilder]: For program point L8852(line 8852) no Hoare annotation was computed. [2021-10-28 23:03:17,462 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-10-28 23:03:17,462 INFO L857 garLoopResultBuilder]: For program point L8852-2(lines 8852 8973) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L8918(line 8918) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L8968(line 8968) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L853 garLoopResultBuilder]: At program point L8902(lines 8902 8930) the Hoare annotation is: false [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L8968-2(line 8968) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L6871(lines 6871 6872) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L8886-2(lines 8886 8973) no Hoare annotation was computed. [2021-10-28 23:03:17,463 INFO L857 garLoopResultBuilder]: For program point L8886-4(lines 8852 8973) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L857 garLoopResultBuilder]: For program point L6871-2(lines 6871 6872) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L857 garLoopResultBuilder]: For program point L8886(line 8886) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L857 garLoopResultBuilder]: For program point L8936-3(lines 8936 8953) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L857 garLoopResultBuilder]: For program point L8969(line 8969) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L857 garLoopResultBuilder]: For program point L8870(line 8870) no Hoare annotation was computed. [2021-10-28 23:03:17,464 INFO L853 garLoopResultBuilder]: At program point L8936-2(lines 8936 8953) the Hoare annotation is: false [2021-10-28 23:03:17,465 INFO L853 garLoopResultBuilder]: At program point L6294(lines 6291 6295) the Hoare annotation is: false [2021-10-28 23:03:17,465 INFO L860 garLoopResultBuilder]: At program point L9944(lines 9944 9952) the Hoare annotation is: true [2021-10-28 23:03:17,465 INFO L853 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: (= 32 ULTIMATE.start_ensure_string_is_allocated_bounded_length_~max_size) [2021-10-28 23:03:17,465 INFO L857 garLoopResultBuilder]: For program point L8904(line 8904) no Hoare annotation was computed. [2021-10-28 23:03:17,465 INFO L857 garLoopResultBuilder]: For program point L8871(line 8871) no Hoare annotation was computed. [2021-10-28 23:03:17,465 INFO L853 garLoopResultBuilder]: At program point L8838(lines 8838 8977) the Hoare annotation is: false [2021-10-28 23:03:17,469 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:03:17,470 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:03:17,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:03:17 BoogieIcfgContainer [2021-10-28 23:03:17,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:03:17,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:03:17,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:03:17,482 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:03:17,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:03:14" (3/4) ... [2021-10-28 23:03:17,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:03:17,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 124 nodes and edges [2021-10-28 23:03:17,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-10-28 23:03:17,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-10-28 23:03:17,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-28 23:03:17,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-28 23:03:17,518 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-28 23:03:17,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:03:17,522 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:03:18,358 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:03:18,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:03:18,361 INFO L168 Benchmark]: Toolchain (without parser) took 17827.95 ms. Allocated memory was 104.9 MB in the beginning and 287.3 MB in the end (delta: 182.5 MB). Free memory was 75.3 MB in the beginning and 34.2 MB in the end (delta: 41.1 MB). Peak memory consumption was 234.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,361 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:03:18,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3736.22 ms. Allocated memory was 104.9 MB in the beginning and 148.9 MB in the end (delta: 44.0 MB). Free memory was 75.0 MB in the beginning and 53.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 269.38 ms. Allocated memory was 148.9 MB in the beginning and 199.2 MB in the end (delta: 50.3 MB). Free memory was 53.4 MB in the beginning and 134.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,363 INFO L168 Benchmark]: Boogie Preprocessor took 161.90 ms. Allocated memory is still 199.2 MB. Free memory was 134.4 MB in the beginning and 126.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,363 INFO L168 Benchmark]: RCFGBuilder took 10135.87 ms. Allocated memory was 199.2 MB in the beginning and 239.1 MB in the end (delta: 39.8 MB). Free memory was 126.0 MB in the beginning and 112.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 140.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,364 INFO L168 Benchmark]: TraceAbstraction took 2640.59 ms. Allocated memory was 239.1 MB in the beginning and 287.3 MB in the end (delta: 48.2 MB). Free memory was 112.8 MB in the beginning and 145.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,364 INFO L168 Benchmark]: Witness Printer took 877.19 ms. Allocated memory is still 287.3 MB. Free memory was 145.8 MB in the beginning and 34.2 MB in the end (delta: 111.6 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:03:18,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 79.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3736.22 ms. Allocated memory was 104.9 MB in the beginning and 148.9 MB in the end (delta: 44.0 MB). Free memory was 75.0 MB in the beginning and 53.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 108.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 269.38 ms. Allocated memory was 148.9 MB in the beginning and 199.2 MB in the end (delta: 50.3 MB). Free memory was 53.4 MB in the beginning and 134.4 MB in the end (delta: -81.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 161.90 ms. Allocated memory is still 199.2 MB. Free memory was 134.4 MB in the beginning and 126.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10135.87 ms. Allocated memory was 199.2 MB in the beginning and 239.1 MB in the end (delta: 39.8 MB). Free memory was 126.0 MB in the beginning and 112.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 140.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2640.59 ms. Allocated memory was 239.1 MB in the beginning and 287.3 MB in the end (delta: 48.2 MB). Free memory was 112.8 MB in the beginning and 145.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Witness Printer took 877.19 ms. Allocated memory is still 287.3 MB. Free memory was 145.8 MB in the beginning and 34.2 MB in the end (delta: 111.6 MB). Peak memory consumption was 123.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 3 SDslu, 3 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 22 NumberOfFragments, 22 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold - InvariantResult [Line: 6943]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 32 == max_size - InvariantResult [Line: 6861]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8956]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9951]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8868]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 8890]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:03:18,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe91c377-536e-4c33-9a90-7c6ddad84aed/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...