./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.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_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2c8100e1f648cee1922c84a2421989bafb670d4445ddc160c17e3cd878eaa49 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:53,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:54,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:13:54,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:54,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:13:54,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:54,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:13:54,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:13:54,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:54,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:13:54,088 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:13:54,089 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:13:54,089 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:13:54,091 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:13:54,091 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:13:54,091 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:13:54,092 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:13:54,092 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:13:54,093 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:13:54,093 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:13:54,095 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:13:54,095 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:13:54,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:54,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:54,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:54,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:54,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:54,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:54,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:54,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:54,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:54,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:54,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:13:54,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:13:54,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:13:54,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:54,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:54,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:54,115 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:13:54,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:54,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:13:54,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:54,116 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:13:54,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:13:54,117 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2c8100e1f648cee1922c84a2421989bafb670d4445ddc160c17e3cd878eaa49 [2023-11-24 23:13:54,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:54,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:54,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:54,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:54,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:54,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2023-11-24 23:13:57,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:58,131 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:58,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i [2023-11-24 23:13:58,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/data/8d7545cf8/ca7de44ce37f422186fb02093ada5267/FLAG49d525198 [2023-11-24 23:13:58,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/data/8d7545cf8/ca7de44ce37f422186fb02093ada5267 [2023-11-24 23:13:58,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:58,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:58,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:58,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:58,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:58,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:58" (1/1) ... [2023-11-24 23:13:58,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764cab62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:58, skipping insertion in model container [2023-11-24 23:13:58,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:58" (1/1) ... [2023-11-24 23:13:58,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:58,727 WARN L240 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_a8404a13-c731-4d8a-8db0-640d63e0e009/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2023-11-24 23:13:58,737 WARN L240 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_a8404a13-c731-4d8a-8db0-640d63e0e009/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2023-11-24 23:13:59,758 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,759 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,760 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,761 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,762 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,797 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,798 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,801 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:13:59,801 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:00,314 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:14:00,317 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:14:00,319 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:14:00,324 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:14:00,333 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:14:00,334 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:14:00,335 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:14:00,337 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:14:00,342 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:14:00,346 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:14:00,779 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:00,780 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:00,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:00,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:01,010 WARN L240 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_a8404a13-c731-4d8a-8db0-640d63e0e009/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4495,4508] [2023-11-24 23:14:01,011 WARN L240 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_a8404a13-c731-4d8a-8db0-640d63e0e009/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness.i[4555,4568] [2023-11-24 23:14:01,070 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,071 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,072 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,073 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,074 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,088 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,089 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,090 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,091 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,153 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-24 23:14:01,154 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-24 23:14:01,155 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-24 23:14:01,156 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-24 23:14:01,157 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-24 23:14:01,158 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-24 23:14:01,158 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-24 23:14:01,159 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-24 23:14:01,159 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-24 23:14:01,160 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-24 23:14:01,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2023-11-24 23:14:01,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,357 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-24 23:14:01,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2023-11-24 23:14:01,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:01,723 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,724 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,724 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,724 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,725 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,725 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,725 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,725 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,725 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,726 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,727 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,727 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,727 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,728 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,728 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,728 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,728 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,729 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:14:01,737 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:01,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01 WrapperNode [2023-11-24 23:14:01,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:01,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:01,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:01,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:01,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:01,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:01,967 INFO L138 Inliner]: procedures = 690, calls = 2505, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 751 [2023-11-24 23:14:01,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:01,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:01,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:01,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:01,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:01,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:01,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:01,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:02,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:02,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:02,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:02,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (1/1) ... [2023-11-24 23:14:02,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:02,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:02,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2023-11-24 23:14:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2023-11-24 23:14:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-24 23:14:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-24 23:14:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:14:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-24 23:14:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-24 23:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:14:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-24 23:14:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-24 23:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-24 23:14:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-24 23:14:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:14:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:14:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:14:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-24 23:14:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-24 23:14:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:02,633 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:02,636 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:03,976 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:04,359 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:04,359 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:14:04,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:04 BoogieIcfgContainer [2023-11-24 23:14:04,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:04,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:04,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:04,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:04,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:13:58" (1/3) ... [2023-11-24 23:14:04,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c6ef7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:04, skipping insertion in model container [2023-11-24 23:14:04,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:01" (2/3) ... [2023-11-24 23:14:04,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c6ef7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:04, skipping insertion in model container [2023-11-24 23:14:04,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:04" (3/3) ... [2023-11-24 23:14:04,374 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness.i [2023-11-24 23:14:04,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:04,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:04,469 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:04,480 INFO L357 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44a683e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:04,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-24 23:14:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:14:04,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:04,497 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:04,497 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:04,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:04,503 INFO L85 PathProgramCache]: Analyzing trace with hash -554797680, now seen corresponding path program 1 times [2023-11-24 23:14:04,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:04,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899898798] [2023-11-24 23:14:04,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:14:09,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:09,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899898798] [2023-11-24 23:14:09,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899898798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:09,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:09,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-24 23:14:09,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69020191] [2023-11-24 23:14:09,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:09,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 23:14:09,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:09,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 23:14:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:14:09,164 INFO L87 Difference]: Start difference. First operand has 55 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-24 23:14:10,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:10,717 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2023-11-24 23:14:10,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 23:14:10,720 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 38 [2023-11-24 23:14:10,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:10,731 INFO L225 Difference]: With dead ends: 73 [2023-11-24 23:14:10,731 INFO L226 Difference]: Without dead ends: 57 [2023-11-24 23:14:10,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:14:10,747 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 18 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:10,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 274 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-24 23:14:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-24 23:14:10,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-24 23:14:10,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:14:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2023-11-24 23:14:10,807 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 38 [2023-11-24 23:14:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2023-11-24 23:14:10,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-24 23:14:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2023-11-24 23:14:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:14:10,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:10,813 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:10,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:10,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:10,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash 857195767, now seen corresponding path program 1 times [2023-11-24 23:14:10,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:10,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991969354] [2023-11-24 23:14:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:14:15,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:15,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991969354] [2023-11-24 23:14:15,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991969354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:15,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:15,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:14:15,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329650984] [2023-11-24 23:14:15,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:15,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-24 23:14:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-24 23:14:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:14:15,556 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand has 10 states, 7 states have (on average 3.142857142857143) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-24 23:14:16,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:16,706 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2023-11-24 23:14:16,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 23:14:16,707 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 3.142857142857143) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 44 [2023-11-24 23:14:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:16,709 INFO L225 Difference]: With dead ends: 63 [2023-11-24 23:14:16,709 INFO L226 Difference]: Without dead ends: 61 [2023-11-24 23:14:16,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:14:16,711 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 18 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:16,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 323 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-24 23:14:16,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-24 23:14:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-24 23:14:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 34 states have (on average 1.088235294117647) internal successors, (37), 35 states have internal predecessors, (37), 16 states have call successors, (16), 10 states have call predecessors, (16), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:14:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2023-11-24 23:14:16,740 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 44 [2023-11-24 23:14:16,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:16,740 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions. [2023-11-24 23:14:16,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 3.142857142857143) internal successors, (22), 9 states have internal predecessors, (22), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2023-11-24 23:14:16,741 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2023-11-24 23:14:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 23:14:16,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:16,746 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:16,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:14:16,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:16,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:16,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1559393308, now seen corresponding path program 1 times [2023-11-24 23:14:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:16,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843831719] [2023-11-24 23:14:16,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:14:18,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:18,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843831719] [2023-11-24 23:14:18,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843831719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:18,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:18,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:14:18,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435790422] [2023-11-24 23:14:18,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:18,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:14:18,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:18,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:14:18,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:14:18,569 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-24 23:14:19,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:19,550 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2023-11-24 23:14:19,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:14:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 50 [2023-11-24 23:14:19,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:19,552 INFO L225 Difference]: With dead ends: 67 [2023-11-24 23:14:19,552 INFO L226 Difference]: Without dead ends: 63 [2023-11-24 23:14:19,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:14:19,554 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:19,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 286 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-24 23:14:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-24 23:14:19,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-24 23:14:19,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 36 states have internal predecessors, (38), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-24 23:14:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2023-11-24 23:14:19,579 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 50 [2023-11-24 23:14:19,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:19,581 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2023-11-24 23:14:19,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 7 states have internal predecessors, (23), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-24 23:14:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-24 23:14:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:14:19,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:19,588 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:19,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:14:19,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:19,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:19,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1184578687, now seen corresponding path program 1 times [2023-11-24 23:14:19,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:19,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753333383] [2023-11-24 23:14:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:19,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:14:23,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:14:23,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753333383] [2023-11-24 23:14:23,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753333383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:23,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:23,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-24 23:14:23,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516442164] [2023-11-24 23:14:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:23,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 23:14:23,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:14:23,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 23:14:23,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:14:23,241 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-24 23:14:24,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:24,371 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2023-11-24 23:14:24,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 23:14:24,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 56 [2023-11-24 23:14:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:24,373 INFO L225 Difference]: With dead ends: 63 [2023-11-24 23:14:24,373 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:14:24,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:14:24,375 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 8 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:24,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 272 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-24 23:14:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:14:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:14:24,376 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) [2023-11-24 23:14:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:14:24,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2023-11-24 23:14:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:24,377 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:14:24,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 5 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-24 23:14:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:14:24,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:14:24,380 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:24,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:14:24,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-24 23:14:24,508 INFO L899 garLoopResultBuilder]: For program point L6877-1(lines 6877 6879) no Hoare annotation was computed. [2023-11-24 23:14:24,508 INFO L902 garLoopResultBuilder]: At program point L6877(lines 6877 6879) the Hoare annotation is: true [2023-11-24 23:14:24,508 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6876 6881) the Hoare annotation is: true [2023-11-24 23:14:24,509 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6876 6881) no Hoare annotation was computed. [2023-11-24 23:14:24,509 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7179 7185) the Hoare annotation is: true [2023-11-24 23:14:24,509 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7179 7185) no Hoare annotation was computed. [2023-11-24 23:14:24,509 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-24 23:14:24,509 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-24 23:14:24,510 INFO L899 garLoopResultBuilder]: For program point L7056-1(lines 7056 7058) no Hoare annotation was computed. [2023-11-24 23:14:24,510 INFO L902 garLoopResultBuilder]: At program point L7056(lines 7056 7058) the Hoare annotation is: true [2023-11-24 23:14:24,510 INFO L899 garLoopResultBuilder]: For program point aws_mem_releaseEXIT(lines 7055 7068) no Hoare annotation was computed. [2023-11-24 23:14:24,510 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7055 7068) the Hoare annotation is: true [2023-11-24 23:14:24,510 INFO L899 garLoopResultBuilder]: For program point L7059-1(lines 7059 7061) no Hoare annotation was computed. [2023-11-24 23:14:24,511 INFO L902 garLoopResultBuilder]: At program point L7059(lines 7059 7061) the Hoare annotation is: true [2023-11-24 23:14:24,511 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-24 23:14:24,511 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-24 23:14:24,511 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6883 6885) the Hoare annotation is: true [2023-11-24 23:14:24,511 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6883 6885) no Hoare annotation was computed. [2023-11-24 23:14:24,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-24 23:14:24,512 INFO L899 garLoopResultBuilder]: For program point L8770-1(lines 8770 8772) no Hoare annotation was computed. [2023-11-24 23:14:24,512 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2023-11-24 23:14:24,512 INFO L895 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,512 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-24 23:14:24,513 INFO L895 garLoopResultBuilder]: At program point L8773(lines 8773 8775) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and (= (select .cse0 0) 0) (= (select .cse1 8) 0) (= (select .cse0 16) 0) (= (select .cse2 24) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1158#1.base| 0) (= (select .cse2 8) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1158#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse1 24) 0))) [2023-11-24 23:14:24,513 INFO L899 garLoopResultBuilder]: For program point L8773-1(lines 8773 8775) no Hoare annotation was computed. [2023-11-24 23:14:24,513 INFO L895 garLoopResultBuilder]: At program point L8777(line 8777) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and (= (select .cse0 0) 0) (= (select .cse1 8) 0) (= (select .cse0 16) 0) (= (select .cse2 24) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1160#1| 0) (= (select .cse2 8) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse1 24) 0))) [2023-11-24 23:14:24,513 INFO L899 garLoopResultBuilder]: For program point L8777-1(line 8777) no Hoare annotation was computed. [2023-11-24 23:14:24,514 INFO L899 garLoopResultBuilder]: For program point L8767-2(line 8767) no Hoare annotation was computed. [2023-11-24 23:14:24,514 INFO L895 garLoopResultBuilder]: At program point L8769(line 8769) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,514 INFO L899 garLoopResultBuilder]: For program point L8769-1(line 8769) no Hoare annotation was computed. [2023-11-24 23:14:24,514 INFO L895 garLoopResultBuilder]: At program point L8767(line 8767) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,514 INFO L895 garLoopResultBuilder]: At program point L8767-1(line 8767) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,515 INFO L895 garLoopResultBuilder]: At program point L6610(line 6610) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,515 INFO L899 garLoopResultBuilder]: For program point L6612-1(line 6612) no Hoare annotation was computed. [2023-11-24 23:14:24,515 INFO L895 garLoopResultBuilder]: At program point L6612(line 6612) the Hoare annotation is: (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) [2023-11-24 23:14:24,515 INFO L899 garLoopResultBuilder]: For program point L6610-3(lines 6610 6612) no Hoare annotation was computed. [2023-11-24 23:14:24,515 INFO L899 garLoopResultBuilder]: For program point L6610-1(lines 6610 6612) no Hoare annotation was computed. [2023-11-24 23:14:24,516 INFO L895 garLoopResultBuilder]: At program point L8770(lines 8770 8772) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and (= (select .cse0 0) 0) (= (select .cse1 8) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1157#1.base| 0) (= (select .cse0 16) 0) (= (select .cse2 24) 0) (= (select .cse2 8) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1157#1.offset| 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse1 24) 0))) [2023-11-24 23:14:24,516 INFO L895 garLoopResultBuilder]: At program point L8776(line 8776) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse2 (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|)) (.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.base|))) (and (= (select .cse0 0) 0) (= (select .cse1 8) 0) (= (select .cse0 16) 0) (= (select .cse2 24) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_#t~mem1159#1| 0) (= (select .cse2 8) 0) (= |ULTIMATE.start_aws_byte_buf_clean_up_harness_~#buf~3#1.offset| 0) (= (select .cse1 24) 0))) [2023-11-24 23:14:24,516 INFO L899 garLoopResultBuilder]: For program point L8776-1(line 8776) no Hoare annotation was computed. [2023-11-24 23:14:24,516 INFO L899 garLoopResultBuilder]: For program point L7205-4(lines 7205 7207) no Hoare annotation was computed. [2023-11-24 23:14:24,516 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7203 7216) the Hoare annotation is: true [2023-11-24 23:14:24,517 INFO L895 garLoopResultBuilder]: At program point L7206(line 7206) the Hoare annotation is: (and (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2023-11-24 23:14:24,517 INFO L899 garLoopResultBuilder]: For program point L7204-2(line 7204) no Hoare annotation was computed. [2023-11-24 23:14:24,517 INFO L895 garLoopResultBuilder]: At program point L7204-1(line 7204) the Hoare annotation is: (and (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2023-11-24 23:14:24,517 INFO L899 garLoopResultBuilder]: For program point L7205-2(lines 7205 7207) no Hoare annotation was computed. [2023-11-24 23:14:24,517 INFO L895 garLoopResultBuilder]: At program point L7204(line 7204) the Hoare annotation is: (and (= |aws_byte_buf_clean_up_#in~buf.offset| aws_byte_buf_clean_up_~buf.offset) (= |aws_byte_buf_clean_up_#in~buf.base| aws_byte_buf_clean_up_~buf.base)) [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point aws_byte_buf_clean_upEXIT(lines 7203 7216) no Hoare annotation was computed. [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point L7206-1(line 7206) no Hoare annotation was computed. [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-24 23:14:24,518 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-24 23:14:24,519 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-24 23:14:24,519 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-24 23:14:24,522 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-24 23:14:24,524 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:24,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:24 BoogieIcfgContainer [2023-11-24 23:14:24,529 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:24,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:24,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:24,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:24,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:04" (3/4) ... [2023-11-24 23:14:24,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:14:24,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-24 23:14:24,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2023-11-24 23:14:24,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-24 23:14:24,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2023-11-24 23:14:24,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:14:24,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_clean_up [2023-11-24 23:14:24,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:14:24,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-24 23:14:24,561 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2023-11-24 23:14:24,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2023-11-24 23:14:24,565 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-24 23:14:24,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-24 23:14:24,569 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:14:24,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:14:24,572 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 23:14:24,574 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:14:25,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:14:25,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:14:25,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:25,519 INFO L158 Benchmark]: Toolchain (without parser) took 27305.28ms. Allocated memory was 119.5MB in the beginning and 587.2MB in the end (delta: 467.7MB). Free memory was 66.5MB in the beginning and 203.7MB in the end (delta: -137.2MB). Peak memory consumption was 329.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,519 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:25,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3524.06ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 66.5MB in the beginning and 102.7MB in the end (delta: -36.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.04ms. Allocated memory is still 174.1MB. Free memory was 102.7MB in the beginning and 91.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,520 INFO L158 Benchmark]: Boogie Preprocessor took 160.39ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 84.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,521 INFO L158 Benchmark]: RCFGBuilder took 2231.64ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 84.9MB in the beginning and 104.8MB in the end (delta: -19.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,521 INFO L158 Benchmark]: TraceAbstraction took 20165.05ms. Allocated memory was 237.0MB in the beginning and 587.2MB in the end (delta: 350.2MB). Free memory was 103.7MB in the beginning and 335.8MB in the end (delta: -232.1MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,522 INFO L158 Benchmark]: Witness Printer took 988.44ms. Allocated memory is still 587.2MB. Free memory was 335.8MB in the beginning and 203.7MB in the end (delta: 132.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2023-11-24 23:14:25,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3524.06ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 66.5MB in the beginning and 102.7MB in the end (delta: -36.2MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 227.04ms. Allocated memory is still 174.1MB. Free memory was 102.7MB in the beginning and 91.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.39ms. Allocated memory is still 174.1MB. Free memory was 91.2MB in the beginning and 84.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2231.64ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 84.9MB in the beginning and 104.8MB in the end (delta: -19.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 20165.05ms. Allocated memory was 237.0MB in the beginning and 587.2MB in the end (delta: 350.2MB). Free memory was 103.7MB in the beginning and 335.8MB in the end (delta: -232.1MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. * Witness Printer took 988.44ms. Allocated memory is still 587.2MB. Free memory was 335.8MB in the beginning and 203.7MB in the end (delta: 132.1MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8073]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] - GenericResultAtLocation [Line: 8559]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] * 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]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 1155 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 975 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 588 IncrementalHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 180 mSDtfsCounter, 588 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=3, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 35 PreInvPairs, 38 NumberOfFragments, 252 HoareAnnotationTreeSize, 35 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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 RESULT: Ultimate proved your program to be correct! [2023-11-24 23:14:25,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8404a13-c731-4d8a-8db0-640d63e0e009/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE