./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh --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 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:23:03,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:23:03,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 14:23:03,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:23:03,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:23:03,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:23:03,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:23:03,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:23:03,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:23:03,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:23:03,238 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:23:03,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:23:03,239 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:23:03,240 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:23:03,240 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:23:03,241 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:23:03,241 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:23:03,242 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:23:03,242 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:23:03,243 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:23:03,243 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:23:03,245 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:23:03,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:23:03,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:23:03,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:23:03,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:23:03,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:23:03,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:23:03,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:23:03,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:23:03,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:23:03,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:23:03,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:23:03,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:23:03,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:23:03,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:23:03,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:23:03,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:23:03,252 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:23:03,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:23:03,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:23:03,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:23:03,253 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:23:03,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:23:03,253 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2023-12-02 14:23:03,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:23:03,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:23:03,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:23:03,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:23:03,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:23:03,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:06,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:23:06,701 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:23:06,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:06,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/0c1bc1031/afade36817bb421eb6e23b325e214ac1/FLAG391a283a1 [2023-12-02 14:23:06,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/0c1bc1031/afade36817bb421eb6e23b325e214ac1 [2023-12-02 14:23:06,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:23:06,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:23:06,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:23:06,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:23:06,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:23:06,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:06" (1/1) ... [2023-12-02 14:23:06,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25266cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:06, skipping insertion in model container [2023-12-02 14:23:06,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:06" (1/1) ... [2023-12-02 14:23:06,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:23:07,110 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2023-12-02 14:23:07,119 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2023-12-02 14:23:08,116 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,117 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,117 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,118 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,119 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,131 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,132 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,559 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 14:23:08,560 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 14:23:08,562 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 14:23:08,563 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 14:23:08,565 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 14:23:08,565 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 14:23:08,566 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 14:23:08,567 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 14:23:08,568 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 14:23:08,568 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 14:23:08,813 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,814 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:23:08,938 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:23:08,953 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2023-12-02 14:23:08,953 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2023-12-02 14:23:08,992 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,993 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,993 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,994 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:08,994 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,001 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,002 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,042 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 14:23:09,043 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 14:23:09,044 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 14:23:09,044 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 14:23:09,045 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 14:23:09,046 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 14:23:09,046 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 14:23:09,047 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 14:23:09,047 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 14:23:09,048 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 14:23:09,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2023-12-02 14:23:09,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,134 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:09,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2023-12-02 14:23:09,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,428 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,429 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,430 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,430 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,430 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:09,437 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:23:09,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09 WrapperNode [2023-12-02 14:23:09,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:23:09,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:23:09,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:23:09,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:23:09,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,595 INFO L138 Inliner]: procedures = 690, calls = 2677, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 903 [2023-12-02 14:23:09,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:23:09,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:23:09,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:23:09,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:23:09,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:23:09,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:23:09,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:23:09,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:23:09,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (1/1) ... [2023-12-02 14:23:09,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:23:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:23:09,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:23:09,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:23:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 14:23:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 14:23:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 14:23:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:23:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 14:23:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 14:23:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:23:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 14:23:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-12-02 14:23:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 14:23:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:23:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:23:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 14:23:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 14:23:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:23:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-12-02 14:23:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-12-02 14:23:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:23:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 14:23:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 14:23:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 14:23:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 14:23:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-12-02 14:23:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-12-02 14:23:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:23:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-12-02 14:23:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-12-02 14:23:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:23:10,022 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:23:10,023 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:23:11,039 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:23:11,313 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:23:11,313 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:23:11,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:11 BoogieIcfgContainer [2023-12-02 14:23:11,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:23:11,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:23:11,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:23:11,322 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:23:11,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:23:06" (1/3) ... [2023-12-02 14:23:11,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69c2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:11, skipping insertion in model container [2023-12-02 14:23:11,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:09" (2/3) ... [2023-12-02 14:23:11,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69c2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:11, skipping insertion in model container [2023-12-02 14:23:11,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:11" (3/3) ... [2023-12-02 14:23:11,325 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:11,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:23:11,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:23:11,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:23:11,409 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;@386bd9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:23:11,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:23:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 61 states have (on average 1.180327868852459) internal successors, (72), 62 states have internal predecessors, (72), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 14:23:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 14:23:11,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:23:11,428 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:23:11,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:23:11,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:23:11,434 INFO L85 PathProgramCache]: Analyzing trace with hash -735289170, now seen corresponding path program 1 times [2023-12-02 14:23:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:23:11,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296682054] [2023-12-02 14:23:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:23:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:23:13,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:23:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:23:15,275 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:23:15,277 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:23:15,278 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:23:15,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:23:15,284 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:23:15,288 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:23:15,349 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,352 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,354 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1219 could not be translated [2023-12-02 14:23:15,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,355 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1219 could not be translated [2023-12-02 14:23:15,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,356 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,358 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated [2023-12-02 14:23:15,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,360 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite480 [2023-12-02 14:23:15,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated [2023-12-02 14:23:15,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated [2023-12-02 14:23:15,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret483 [2023-12-02 14:23:15,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated [2023-12-02 14:23:15,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,368 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,369 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1220 could not be translated [2023-12-02 14:23:15,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,370 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,371 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1220 could not be translated [2023-12-02 14:23:15,372 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret1221 could not be translated [2023-12-02 14:23:15,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem1232 [2023-12-02 14:23:15,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1233 could not be translated [2023-12-02 14:23:15,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,378 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem1232 [2023-12-02 14:23:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1233 could not be translated [2023-12-02 14:23:15,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1239 could not be translated [2023-12-02 14:23:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem1238 [2023-12-02 14:23:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem1238 [2023-12-02 14:23:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem1239 could not be translated [2023-12-02 14:23:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret715 could not be translated [2023-12-02 14:23:15,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,388 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret715 could not be translated [2023-12-02 14:23:15,389 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret716 could not be translated [2023-12-02 14:23:15,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,392 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret716 could not be translated [2023-12-02 14:23:15,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem717 [2023-12-02 14:23:15,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem719 [2023-12-02 14:23:15,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem720 could not be translated [2023-12-02 14:23:15,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem718 could not be translated [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,397 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem718 could not be translated [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret721 could not be translated [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem719 [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem720 could not be translated [2023-12-02 14:23:15,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem717 [2023-12-02 14:23:15,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret722 could not be translated [2023-12-02 14:23:15,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list [2023-12-02 14:23:15,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count [2023-12-02 14:23:15,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list [2023-12-02 14:23:15,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~s_list~0!count [2023-12-02 14:23:15,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:23:15 BoogieIcfgContainer [2023-12-02 14:23:15,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:23:15,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:23:15,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:23:15,420 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:23:15,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:11" (3/4) ... [2023-12-02 14:23:15,423 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:23:15,424 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:23:15,426 INFO L158 Benchmark]: Toolchain (without parser) took 8679.76ms. Allocated memory was 142.6MB in the beginning and 375.4MB in the end (delta: 232.8MB). Free memory was 91.0MB in the beginning and 271.7MB in the end (delta: -180.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,426 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 113.1MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:23:15,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2691.67ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 91.0MB in the beginning and 94.3MB in the end (delta: -3.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.96ms. Allocated memory is still 201.3MB. Free memory was 94.3MB in the beginning and 81.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,428 INFO L158 Benchmark]: Boogie Preprocessor took 112.37ms. Allocated memory is still 201.3MB. Free memory was 81.7MB in the beginning and 138.7MB in the end (delta: -57.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,429 INFO L158 Benchmark]: RCFGBuilder took 1605.88ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 138.7MB in the beginning and 152.1MB in the end (delta: -13.4MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,429 INFO L158 Benchmark]: TraceAbstraction took 4101.14ms. Allocated memory was 247.5MB in the beginning and 375.4MB in the end (delta: 127.9MB). Free memory was 152.1MB in the beginning and 272.7MB in the end (delta: -120.6MB). Peak memory consumption was 194.1MB. Max. memory is 16.1GB. [2023-12-02 14:23:15,430 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 375.4MB. Free memory is still 271.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:23:15,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 113.1MB in the end (delta: 85.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2691.67ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 91.0MB in the beginning and 94.3MB in the end (delta: -3.2MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.96ms. Allocated memory is still 201.3MB. Free memory was 94.3MB in the beginning and 81.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.37ms. Allocated memory is still 201.3MB. Free memory was 81.7MB in the beginning and 138.7MB in the end (delta: -57.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1605.88ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 138.7MB in the beginning and 152.1MB in the end (delta: -13.4MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4101.14ms. Allocated memory was 247.5MB in the beginning and 375.4MB in the end (delta: 127.9MB). Free memory was 152.1MB in the beginning and 272.7MB in the end (delta: -120.6MB). Peak memory consumption was 194.1MB. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 375.4MB. Free memory is still 271.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8245]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] - GenericResultAtLocation [Line: 8731]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1219 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1219 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite480 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret478 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret483 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem482 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1220 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1220 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret1221 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem1232 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1233 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem1232 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1233 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1239 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem1238 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem1238 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem1239 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret715 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret715 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret716 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret716 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem717 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem719 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem720 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem718 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem718 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret721 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem719 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem720 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem717 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret722 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0.error_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0!count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_common_log_subject_list~0.subject_list - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~s_list~0!count - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 223]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 8748. Possible FailurePath: [L6854-L6859] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7279] static __thread int tl_last_error = 0; [L7624-L7636] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; [L8747-L8895] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L8898-L8901] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L8903-L8912] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L8914-L8917] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L8919-L8923] static _Bool s_common_library_initialized = 0 ; [L8974] CALL aws_byte_buf_eq_harness() [L8937] struct aws_byte_buf lhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8937] struct aws_byte_buf lhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8937] struct aws_byte_buf lhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8938] struct aws_byte_buf rhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8938] struct aws_byte_buf rhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8938] struct aws_byte_buf rhs = {__VERIFIER_nondet_ulong(), 0, __VERIFIER_nondet_ulong(), 0}; [L8941] CALL, EXPR aws_byte_buf_is_bounded(&lhs, 10) VAL [\old(max_size)=10, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6588] EXPR buf->capacity [L6588] return (buf->capacity <= max_size); [L8941] RET, EXPR aws_byte_buf_is_bounded(&lhs, 10) VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8941] CALL assume_abort_if_not(aws_byte_buf_is_bounded(&lhs, 10)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8941] RET assume_abort_if_not(aws_byte_buf_is_bounded(&lhs, 10)) VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8942] CALL ensure_byte_buf_has_allocated_buffer_member(&lhs) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6598] CALL, EXPR nondet_bool() VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L6598] RET, EXPR nondet_bool() VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6598-L6600] EXPR (nondet_bool()) ? ((void *)0) : can_fail_allocator() VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6598-L6600] buf->allocator = (nondet_bool()) ? ((void *)0) : can_fail_allocator() [L6601] EXPR buf->capacity VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6601] CALL, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [\old(size)=10, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6871-L6873] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L6871-L6873] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=10, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=10, tl_last_error=0] [L6874] return malloc(size); [L6601] RET, EXPR bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) VAL [buf={258:0}, buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L6601] buf->buffer = bounded_malloc(sizeof(*(buf->buffer)) * buf->capacity) [L8942] RET ensure_byte_buf_has_allocated_buffer_member(&lhs) VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8943] CALL, EXPR aws_byte_buf_is_valid(&lhs) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L8943] RET, EXPR aws_byte_buf_is_valid(&lhs) VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8943] CALL assume_abort_if_not(aws_byte_buf_is_valid(&lhs)) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L8943] RET assume_abort_if_not(aws_byte_buf_is_valid(&lhs)) VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8944] CALL nondet_bool() VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L261] return __VERIFIER_nondet_bool(); [L8944] RET nondet_bool() VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8944] COND TRUE nondet_bool() [L8945] rhs = lhs VAL [errors={196:0}, lhs={258:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8953] struct aws_byte_buf old_lhs = lhs; [L8954] struct store_byte_from_buffer old_byte_from_lhs; [L8955] EXPR lhs.buffer [L8955] EXPR lhs.len VAL [errors={196:0}, lhs={258:0}, old_byte_from_lhs={261:0}, old_lhs={262:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8955] CALL save_byte_from_array(lhs.buffer, lhs.len, &old_byte_from_lhs) VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7123] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={-2:0}, array={-2:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=0, storage={261:0}, storage={261:0}, tl_last_error=0] [L8955] RET save_byte_from_array(lhs.buffer, lhs.len, &old_byte_from_lhs) VAL [errors={196:0}, lhs={258:0}, old_byte_from_lhs={261:0}, old_lhs={262:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8956] struct aws_byte_buf old_rhs = rhs; [L8957] struct store_byte_from_buffer old_byte_from_rhs; [L8958] EXPR rhs.buffer [L8958] EXPR rhs.len VAL [errors={196:0}, lhs={258:0}, old_byte_from_lhs={261:0}, old_byte_from_rhs={263:0}, old_lhs={262:0}, old_rhs={257:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8958] CALL save_byte_from_array(rhs.buffer, rhs.len, &old_byte_from_rhs) VAL [errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7123] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={-2:0}, array={-2:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, size=0, storage={263:0}, storage={263:0}, tl_last_error=0] [L8958] RET save_byte_from_array(rhs.buffer, rhs.len, &old_byte_from_rhs) VAL [errors={196:0}, lhs={258:0}, old_byte_from_lhs={261:0}, old_byte_from_rhs={263:0}, old_lhs={262:0}, old_rhs={257:0}, rhs={259:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L8961] CALL aws_byte_buf_eq(&lhs, &rhs) [L7409] CALL, EXPR aws_byte_buf_is_valid(a) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L7409] RET, EXPR aws_byte_buf_is_valid(a) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7409] CALL assume_abort_if_not((aws_byte_buf_is_valid(a))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7409] RET assume_abort_if_not((aws_byte_buf_is_valid(a))) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7410] CALL, EXPR aws_byte_buf_is_valid(b) VAL [buf={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L7410] RET, EXPR aws_byte_buf_is_valid(b) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7410] CALL assume_abort_if_not((aws_byte_buf_is_valid(b))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7410] RET assume_abort_if_not((aws_byte_buf_is_valid(b))) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7413] EXPR a->buffer [L7413] EXPR a->len [L7413] EXPR b->buffer [L7413] EXPR b->len VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7413] CALL, EXPR aws_array_eq(a->buffer, a->len, b->buffer, b->len) VAL [\old(len_a)=0, \old(len_b)=0, array_a={-2:0}, array_b={-2:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7678] CALL assume_abort_if_not(((len_a == 0) || ((((len_a)) == 0) || ((array_a))))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7678] RET assume_abort_if_not(((len_a == 0) || ((((len_a)) == 0) || ((array_a))))) VAL [\old(len_a)=0, \old(len_b)=0, array_a={-2:0}, array_a={-2:0}, array_b={-2:0}, array_b={-2:0}, errors={196:0}, len_a=0, len_b=0, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7680] CALL assume_abort_if_not(((len_b == 0) || ((((len_b)) == 0) || ((array_b))))) VAL [\old(cond)=1, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7680] RET assume_abort_if_not(((len_b == 0) || ((((len_b)) == 0) || ((array_b))))) VAL [\old(len_a)=0, \old(len_b)=0, array_a={-2:0}, array_a={-2:0}, array_b={-2:0}, array_b={-2:0}, errors={196:0}, len_a=0, len_b=0, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7683] COND FALSE !(len_a != len_b) [L7689] COND TRUE len_a == 0 [L7690-L7692] return 1 ; [L7413] RET, EXPR aws_array_eq(a->buffer, a->len, b->buffer, b->len) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7412-L7413] _Bool rval = aws_array_eq(a->buffer, a->len, b->buffer, b->len); [L7414] CALL, EXPR aws_byte_buf_is_valid(a) VAL [buf={258:0}, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353] EXPR buf->capacity [L7353] EXPR buf->capacity == 0 && buf->len == 0 [L7353-L7354] EXPR buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->len [L7356] EXPR buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7356] EXPR buf->len [L7356] EXPR (((buf->len)) == 0) || ((buf->buffer)) [L7356] EXPR buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))) [L7353-L7356] EXPR (buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer)))) [L7353-L7356] EXPR buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))) [L7353-L7356] return buf && ((buf->capacity == 0 && buf->len == 0 && buf->buffer == ((void *)0) ) || (buf->capacity > 0 && buf->len <= buf->capacity && ((((buf->len)) == 0) || ((buf->buffer))))); [L7414] RET, EXPR aws_byte_buf_is_valid(a) VAL [a={258:0}, a={258:0}, b={259:0}, b={259:0}, errors={196:0}, rval=1, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L7414] CALL __VERIFIER_assert(!((aws_byte_buf_is_valid(a)))) VAL [\old(cond)=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, cond=0, errors={196:0}, s_can_fail_allocator_static={194:0}, s_common_library_initialized=0, s_common_log_subject_infos={197:0}, s_tolower_table={195:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 1, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 14:23:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh --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 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:23:17,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:23:17,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-12-02 14:23:17,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:23:17,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:23:17,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:23:17,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:23:17,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:23:17,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:23:17,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:23:17,488 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:23:17,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:23:17,489 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:23:17,490 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:23:17,490 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:23:17,491 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:23:17,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:23:17,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:23:17,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:23:17,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:23:17,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:23:17,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:23:17,496 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:23:17,497 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:23:17,497 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:23:17,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:23:17,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:23:17,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:23:17,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:23:17,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:23:17,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:23:17,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:23:17,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:23:17,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:23:17,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:23:17,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:23:17,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:23:17,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:23:17,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:23:17,502 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:23:17,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:23:17,503 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2023-12-02 14:23:17,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:23:17,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:23:17,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:23:17,810 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:23:17,810 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:23:17,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:20,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:23:21,048 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:23:21,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:21,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/5a20f7038/f581064237d74276bf9cb50b9c3a8084/FLAGa0a20355c [2023-12-02 14:23:21,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/data/5a20f7038/f581064237d74276bf9cb50b9c3a8084 [2023-12-02 14:23:21,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:23:21,101 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:23:21,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:23:21,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:23:21,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:23:21,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:21" (1/1) ... [2023-12-02 14:23:21,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4f9983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:21, skipping insertion in model container [2023-12-02 14:23:21,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:23:21" (1/1) ... [2023-12-02 14:23:21,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:23:21,500 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2023-12-02 14:23:21,509 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2023-12-02 14:23:22,318 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,319 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,319 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,338 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,339 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,341 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,342 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,705 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 14:23:22,706 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 14:23:22,707 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 14:23:22,708 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 14:23:22,710 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 14:23:22,710 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 14:23:22,711 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 14:23:22,712 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 14:23:22,713 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 14:23:22,713 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 14:23:22,968 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:22,969 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:23:23,095 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 14:23:23,150 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:23:23,154 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2023-12-02 14:23:23,155 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2023-12-02 14:23:23,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,185 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,185 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,186 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,194 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,225 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 14:23:23,225 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 14:23:23,226 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 14:23:23,226 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 14:23:23,227 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 14:23:23,227 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 14:23:23,228 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 14:23:23,228 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 14:23:23,229 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 14:23:23,229 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 14:23:23,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:23:23,365 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:23:23,378 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2023-12-02 14:23:23,378 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_ca9c1921-24c1-412a-85db-d84ebd991c0f/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2023-12-02 14:23:23,407 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,407 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,408 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,414 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,414 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,415 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,442 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 14:23:23,443 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 14:23:23,443 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 14:23:23,444 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 14:23:23,445 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 14:23:23,445 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 14:23:23,445 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 14:23:23,446 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 14:23:23,446 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 14:23:23,446 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 14:23:23,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2023-12-02 14:23:23,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,511 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 14:23:23,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2023-12-02 14:23:23,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:23:23,738 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,738 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,739 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,740 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,741 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,741 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,741 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 14:23:23,756 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:23:23,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23 WrapperNode [2023-12-02 14:23:23,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:23:23,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:23:23,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:23:23,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:23:23,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,922 INFO L138 Inliner]: procedures = 710, calls = 2677, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 904 [2023-12-02 14:23:23,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:23:23,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:23:23,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:23:23,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:23:23,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:23,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:24,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:24,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:23:24,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:23:24,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:23:24,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:23:24,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (1/1) ... [2023-12-02 14:23:24,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:23:24,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:23:24,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:23:24,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:23:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-12-02 14:23:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-12-02 14:23:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 14:23:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 14:23:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 14:23:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:23:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:23:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2023-12-02 14:23:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2023-12-02 14:23:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:23:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 14:23:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2023-12-02 14:23:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:23:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:23:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 14:23:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 14:23:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 14:23:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-12-02 14:23:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-12-02 14:23:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-12-02 14:23:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:23:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-12-02 14:23:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 14:23:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 14:23:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 14:23:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-12-02 14:23:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-12-02 14:23:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2023-12-02 14:23:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2023-12-02 14:23:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2023-12-02 14:23:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2023-12-02 14:23:24,332 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:23:24,335 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:23:28,185 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:23:28,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:23:28,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 14:23:28,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:28 BoogieIcfgContainer [2023-12-02 14:23:28,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:23:28,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:23:28,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:23:28,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:23:28,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:23:21" (1/3) ... [2023-12-02 14:23:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e08652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:28, skipping insertion in model container [2023-12-02 14:23:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:23:23" (2/3) ... [2023-12-02 14:23:28,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e08652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:23:28, skipping insertion in model container [2023-12-02 14:23:28,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:23:28" (3/3) ... [2023-12-02 14:23:28,456 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2023-12-02 14:23:28,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:23:28,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:23:28,525 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:23:28,532 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;@54fa3d43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:23:28,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:23:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 79 states have (on average 1.2658227848101267) internal successors, (100), 80 states have internal predecessors, (100), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-02 14:23:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 14:23:28,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:23:28,554 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:23:28,555 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:23:28,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:23:28,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1730828617, now seen corresponding path program 1 times [2023-12-02 14:23:28,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:23:28,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1499447986] [2023-12-02 14:23:28,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:28,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:23:28,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:23:28,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:23:28,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 14:23:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:23:29,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:23:29,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:23:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-12-02 14:23:29,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:23:29,810 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:23:29,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1499447986] [2023-12-02 14:23:29,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1499447986] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:23:29,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:23:29,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:23:29,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512032312] [2023-12-02 14:23:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:23:29,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:23:29,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:23:29,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:23:29,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:23:29,851 INFO L87 Difference]: Start difference. First operand has 140 states, 79 states have (on average 1.2658227848101267) internal successors, (100), 80 states have internal predecessors, (100), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:23:32,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:23:32,189 INFO L93 Difference]: Finished difference Result 277 states and 411 transitions. [2023-12-02 14:23:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:23:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 103 [2023-12-02 14:23:32,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:23:32,200 INFO L225 Difference]: With dead ends: 277 [2023-12-02 14:23:32,200 INFO L226 Difference]: Without dead ends: 138 [2023-12-02 14:23:32,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:23:32,208 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:23:32,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 14:23:32,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-02 14:23:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-12-02 14:23:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 79 states have internal predecessors, (97), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-02 14:23:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 188 transitions. [2023-12-02 14:23:32,254 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 188 transitions. Word has length 103 [2023-12-02 14:23:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:23:32,256 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 188 transitions. [2023-12-02 14:23:32,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:23:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 188 transitions. [2023-12-02 14:23:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 14:23:32,260 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:23:32,260 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:23:32,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:23:32,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:23:32,465 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:23:32,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:23:32,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1806970165, now seen corresponding path program 1 times [2023-12-02 14:23:32,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:23:32,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287478253] [2023-12-02 14:23:32,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:32,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:23:32,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:23:32,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:23:32,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 14:23:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:23:33,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:23:33,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:23:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 14:23:33,701 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:23:33,702 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:23:33,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287478253] [2023-12-02 14:23:33,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287478253] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:23:33,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:23:33,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:23:33,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493252633] [2023-12-02 14:23:33,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:23:33,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:23:33,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:23:33,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:23:33,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:23:33,706 INFO L87 Difference]: Start difference. First operand 138 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:23:35,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:37,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:39,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:42,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:44,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:45,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:46,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:23:46,071 INFO L93 Difference]: Finished difference Result 272 states and 375 transitions. [2023-12-02 14:23:46,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:23:46,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 103 [2023-12-02 14:23:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:23:46,075 INFO L225 Difference]: With dead ends: 272 [2023-12-02 14:23:46,075 INFO L226 Difference]: Without dead ends: 140 [2023-12-02 14:23:46,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:23:46,077 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 44 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:23:46,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 436 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 5 Unknown, 0 Unchecked, 12.3s Time] [2023-12-02 14:23:46,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-02 14:23:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-12-02 14:23:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 79 states have (on average 1.240506329113924) internal successors, (98), 81 states have internal predecessors, (98), 46 states have call successors, (46), 13 states have call predecessors, (46), 14 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:23:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 195 transitions. [2023-12-02 14:23:46,094 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 195 transitions. Word has length 103 [2023-12-02 14:23:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:23:46,095 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 195 transitions. [2023-12-02 14:23:46,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:23:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 195 transitions. [2023-12-02 14:23:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 14:23:46,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:23:46,097 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:23:46,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 14:23:46,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:23:46,298 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:23:46,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:23:46,298 INFO L85 PathProgramCache]: Analyzing trace with hash 574141450, now seen corresponding path program 1 times [2023-12-02 14:23:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:23:46,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33687018] [2023-12-02 14:23:46,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:23:46,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:23:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:23:46,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:23:46,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 14:23:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:23:47,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 14:23:47,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:23:47,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 14:23:48,447 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 14:23:48,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:23:48,447 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:23:48,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33687018] [2023-12-02 14:23:48,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33687018] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:23:48,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:23:48,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-02 14:23:48,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871855081] [2023-12-02 14:23:48,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:23:48,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 14:23:48,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:23:48,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 14:23:48,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-12-02 14:23:48,451 INFO L87 Difference]: Start difference. First operand 140 states and 195 transitions. Second operand has 13 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 14:23:50,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:52,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:54,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:23:56,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:23:58,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:00,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:02,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:04,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:06,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:08,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:11,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:13,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:15,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:18,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:20,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:22,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:24,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:26,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:28,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:30,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:32,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:34,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:36,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:38,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:41,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:43,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:45,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:47,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:48,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:24:48,896 INFO L93 Difference]: Finished difference Result 299 states and 409 transitions. [2023-12-02 14:24:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 14:24:48,896 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19) Word has length 109 [2023-12-02 14:24:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:24:48,898 INFO L225 Difference]: With dead ends: 299 [2023-12-02 14:24:48,899 INFO L226 Difference]: Without dead ends: 160 [2023-12-02 14:24:48,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-12-02 14:24:48,900 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 87 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 19 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:24:48,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1373 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 445 Invalid, 28 Unknown, 0 Unchecked, 60.0s Time] [2023-12-02 14:24:48,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-12-02 14:24:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2023-12-02 14:24:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 97 states have (on average 1.2474226804123711) internal successors, (121), 99 states have internal predecessors, (121), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:24:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 218 transitions. [2023-12-02 14:24:48,925 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 218 transitions. Word has length 109 [2023-12-02 14:24:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:24:48,925 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 218 transitions. [2023-12-02 14:24:48,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 5 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (19), 6 states have call predecessors, (19), 5 states have call successors, (19) [2023-12-02 14:24:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 218 transitions. [2023-12-02 14:24:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 14:24:48,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:24:48,928 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:24:48,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 14:24:49,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:24:49,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:24:49,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:24:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash -599254846, now seen corresponding path program 1 times [2023-12-02 14:24:49,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:24:49,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202601306] [2023-12-02 14:24:49,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:24:49,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:24:49,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:24:49,132 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:24:49,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 14:24:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:24:50,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 1717 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 14:24:50,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:24:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 14:24:50,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:24:50,579 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:24:50,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202601306] [2023-12-02 14:24:50,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202601306] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:24:50,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:24:50,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:24:50,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846301419] [2023-12-02 14:24:50,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:24:50,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 14:24:50,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:24:50,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 14:24:50,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:24:50,581 INFO L87 Difference]: Start difference. First operand 160 states and 218 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:24:52,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:54,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:24:56,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:24:58,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:01,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:03,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:05,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:06,906 INFO L93 Difference]: Finished difference Result 334 states and 466 transitions. [2023-12-02 14:25:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:25:06,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2023-12-02 14:25:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:06,912 INFO L225 Difference]: With dead ends: 334 [2023-12-02 14:25:06,912 INFO L226 Difference]: Without dead ends: 188 [2023-12-02 14:25:06,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:25:06,914 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 41 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:06,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 643 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 7 Unknown, 0 Unchecked, 16.2s Time] [2023-12-02 14:25:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-02 14:25:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 170. [2023-12-02 14:25:06,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 109 states have internal predecessors, (134), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:25:06,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 231 transitions. [2023-12-02 14:25:06,937 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 231 transitions. Word has length 113 [2023-12-02 14:25:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:06,937 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 231 transitions. [2023-12-02 14:25:06,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:25:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 231 transitions. [2023-12-02 14:25:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 14:25:06,939 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:06,939 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:25:06,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 14:25:07,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:25:07,140 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:25:07,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:07,141 INFO L85 PathProgramCache]: Analyzing trace with hash -572189244, now seen corresponding path program 1 times [2023-12-02 14:25:07,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:25:07,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824327360] [2023-12-02 14:25:07,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:07,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:25:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:25:07,144 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:25:07,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 14:25:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:08,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 1714 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 14:25:08,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:25:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 14:25:09,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:25:09,847 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:25:09,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824327360] [2023-12-02 14:25:09,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824327360] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:25:09,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:25:09,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-02 14:25:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157990837] [2023-12-02 14:25:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:25:09,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-02 14:25:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:25:09,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-02 14:25:09,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-12-02 14:25:09,850 INFO L87 Difference]: Start difference. First operand 170 states and 231 transitions. Second operand has 12 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:25:11,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:13,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:15,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:17,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:20,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:22,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:24,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:26,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:28,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:30,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:32,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:35,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:38,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:40,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:42,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:44,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:46,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:48,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:25:50,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:25:54,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:25:54,958 INFO L93 Difference]: Finished difference Result 335 states and 471 transitions. [2023-12-02 14:25:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 14:25:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 113 [2023-12-02 14:25:54,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:25:54,963 INFO L225 Difference]: With dead ends: 335 [2023-12-02 14:25:54,963 INFO L226 Difference]: Without dead ends: 174 [2023-12-02 14:25:54,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:25:54,965 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 40 mSDsluCounter, 1483 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 2 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:25:54,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1658 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 618 Invalid, 18 Unknown, 0 Unchecked, 44.0s Time] [2023-12-02 14:25:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-02 14:25:54,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 167. [2023-12-02 14:25:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.2403846153846154) internal successors, (129), 106 states have internal predecessors, (129), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:25:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 226 transitions. [2023-12-02 14:25:54,985 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 226 transitions. Word has length 113 [2023-12-02 14:25:54,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:25:54,985 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 226 transitions. [2023-12-02 14:25:54,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:25:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 226 transitions. [2023-12-02 14:25:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 14:25:54,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:25:54,987 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:25:55,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-02 14:25:55,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:25:55,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:25:55,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:25:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash 967503104, now seen corresponding path program 1 times [2023-12-02 14:25:55,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:25:55,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840982239] [2023-12-02 14:25:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:25:55,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:25:55,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:25:55,191 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:25:55,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 14:25:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:25:56,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:25:56,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:25:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 14:25:56,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:25:56,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:25:56,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840982239] [2023-12-02 14:25:56,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840982239] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:25:56,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:25:56,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 14:25:56,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394073255] [2023-12-02 14:25:56,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:25:56,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:25:56,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:25:56,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:25:56,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:25:56,225 INFO L87 Difference]: Start difference. First operand 167 states and 226 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:25:58,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:02,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:02,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:02,619 INFO L93 Difference]: Finished difference Result 334 states and 456 transitions. [2023-12-02 14:26:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:26:02,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 113 [2023-12-02 14:26:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:02,621 INFO L225 Difference]: With dead ends: 334 [2023-12-02 14:26:02,621 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 14:26:02,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 14:26:02,623 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 36 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:02,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 522 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time] [2023-12-02 14:26:02,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 14:26:02,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 167. [2023-12-02 14:26:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.2211538461538463) internal successors, (127), 106 states have internal predecessors, (127), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:26:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 224 transitions. [2023-12-02 14:26:02,638 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 224 transitions. Word has length 113 [2023-12-02 14:26:02,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:02,638 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 224 transitions. [2023-12-02 14:26:02,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:26:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 224 transitions. [2023-12-02 14:26:02,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 14:26:02,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:02,640 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 14:26:02,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:02,841 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:26:02,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:02,841 INFO L85 PathProgramCache]: Analyzing trace with hash -174999362, now seen corresponding path program 1 times [2023-12-02 14:26:02,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:26:02,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037014674] [2023-12-02 14:26:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:02,843 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:26:02,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:26:02,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-12-02 14:26:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:03,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:26:03,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:26:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 14:26:03,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:26:03,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:26:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037014674] [2023-12-02 14:26:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037014674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:26:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:26:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-02 14:26:03,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132675696] [2023-12-02 14:26:03,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:26:03,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 14:26:03,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:26:03,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 14:26:03,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-02 14:26:03,977 INFO L87 Difference]: Start difference. First operand 167 states and 224 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:26:06,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:08,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:10,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:12,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:14,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:16,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:18,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:20,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:20,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:20,906 INFO L93 Difference]: Finished difference Result 320 states and 434 transitions. [2023-12-02 14:26:20,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 14:26:20,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 113 [2023-12-02 14:26:20,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:20,909 INFO L225 Difference]: With dead ends: 320 [2023-12-02 14:26:20,909 INFO L226 Difference]: Without dead ends: 171 [2023-12-02 14:26:20,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 14:26:20,911 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 13 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:20,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1276 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 8 Unknown, 0 Unchecked, 16.8s Time] [2023-12-02 14:26:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-02 14:26:20,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2023-12-02 14:26:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 106 states have internal predecessors, (126), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (51), 45 states have call predecessors, (51), 45 states have call successors, (51) [2023-12-02 14:26:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 223 transitions. [2023-12-02 14:26:20,926 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 223 transitions. Word has length 113 [2023-12-02 14:26:20,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:20,926 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 223 transitions. [2023-12-02 14:26:20,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 14:26:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 223 transitions. [2023-12-02 14:26:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 14:26:20,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:20,929 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:20,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-12-02 14:26:21,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:21,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:26:21,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1855536423, now seen corresponding path program 1 times [2023-12-02 14:26:21,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:26:21,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075875966] [2023-12-02 14:26:21,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:21,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:21,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:26:21,133 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:26:21,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 14:26:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:22,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:26:22,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:26:22,437 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 14:26:22,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:26:22,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:26:22,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075875966] [2023-12-02 14:26:22,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075875966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:26:22,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:26:22,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 14:26:22,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201220979] [2023-12-02 14:26:22,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:26:22,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:26:22,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:26:22,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:26:22,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:26:22,440 INFO L87 Difference]: Start difference. First operand 167 states and 223 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 14:26:24,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:26,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:28,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:30,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:32,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:34,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:36,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:38,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:38,499 INFO L93 Difference]: Finished difference Result 266 states and 360 transitions. [2023-12-02 14:26:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:26:38,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 115 [2023-12-02 14:26:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:38,502 INFO L225 Difference]: With dead ends: 266 [2023-12-02 14:26:38,503 INFO L226 Difference]: Without dead ends: 167 [2023-12-02 14:26:38,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:26:38,504 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 44 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 23 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:38,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 732 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 109 Invalid, 7 Unknown, 0 Unchecked, 16.0s Time] [2023-12-02 14:26:38,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-12-02 14:26:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2023-12-02 14:26:38,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 106 states have internal predecessors, (126), 46 states have call successors, (46), 15 states have call predecessors, (46), 16 states have return successors, (49), 45 states have call predecessors, (49), 45 states have call successors, (49) [2023-12-02 14:26:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2023-12-02 14:26:38,517 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 115 [2023-12-02 14:26:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:38,518 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2023-12-02 14:26:38,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 14:26:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2023-12-02 14:26:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 14:26:38,520 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:38,520 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:38,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-12-02 14:26:38,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:38,720 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:26:38,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:38,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1958652989, now seen corresponding path program 1 times [2023-12-02 14:26:38,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:26:38,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036739428] [2023-12-02 14:26:38,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:38,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:38,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:26:38,724 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:26:38,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-12-02 14:26:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:39,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:26:39,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:26:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 14:26:40,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:26:40,100 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:26:40,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036739428] [2023-12-02 14:26:40,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036739428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:26:40,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:26:40,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 14:26:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827674784] [2023-12-02 14:26:40,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:26:40,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:26:40,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:26:40,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:26:40,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:26:40,102 INFO L87 Difference]: Start difference. First operand 167 states and 221 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 14:26:42,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:44,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:46,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:48,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:50,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:52,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:54,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:26:54,451 INFO L93 Difference]: Finished difference Result 280 states and 376 transitions. [2023-12-02 14:26:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:26:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 127 [2023-12-02 14:26:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:26:54,453 INFO L225 Difference]: With dead ends: 280 [2023-12-02 14:26:54,454 INFO L226 Difference]: Without dead ends: 165 [2023-12-02 14:26:54,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:26:54,455 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 43 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 19 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:26:54,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 606 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 69 Invalid, 6 Unknown, 0 Unchecked, 14.3s Time] [2023-12-02 14:26:54,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-02 14:26:54,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2023-12-02 14:26:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 103 states have (on average 1.203883495145631) internal successors, (124), 104 states have internal predecessors, (124), 46 states have call successors, (46), 15 states have call predecessors, (46), 15 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-02 14:26:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2023-12-02 14:26:54,467 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 127 [2023-12-02 14:26:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:26:54,467 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2023-12-02 14:26:54,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2023-12-02 14:26:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2023-12-02 14:26:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 14:26:54,469 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:26:54,469 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:26:54,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-12-02 14:26:54,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:54,670 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:26:54,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:26:54,671 INFO L85 PathProgramCache]: Analyzing trace with hash 56581902, now seen corresponding path program 1 times [2023-12-02 14:26:54,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:26:54,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653813801] [2023-12-02 14:26:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:26:54,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:26:54,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:26:54,673 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:26:54,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-02 14:26:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:26:55,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 14:26:56,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:27:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 14:27:00,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:27:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-12-02 14:27:20,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:27:20,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653813801] [2023-12-02 14:27:20,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653813801] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:27:20,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1366645608] [2023-12-02 14:27:20,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:27:20,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:27:20,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:27:20,321 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:27:20,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 14:27:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:27:23,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 14:27:23,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:27:23,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 1 [2023-12-02 14:27:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 83 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 14:27:25,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:27:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-12-02 14:27:36,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1366645608] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:27:36,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789265590] [2023-12-02 14:27:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:27:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:27:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:27:36,484 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:27:36,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 14:27:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:27:38,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 14:27:38,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:27:39,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 14:27:42,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:27:42,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 62 [2023-12-02 14:27:43,203 INFO L224 Elim1Store]: Index analysis took 198 ms [2023-12-02 14:27:43,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 46 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 1 [2023-12-02 14:27:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 14:27:49,774 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:27:49,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789265590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:27:49,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 14:27:49,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [19, 14, 19, 14] total 44 [2023-12-02 14:27:49,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488145156] [2023-12-02 14:27:49,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:27:49,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-02 14:27:49,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:27:49,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-02 14:27:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1732, Unknown=5, NotChecked=0, Total=1892 [2023-12-02 14:27:49,777 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 17 states, 14 states have (on average 5.214285714285714) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (20), 4 states have call predecessors, (20), 7 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2023-12-02 14:27:51,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:53,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:55,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:57,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:59,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:01,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:03,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:05,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:07,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:09,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:11,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:13,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:15,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:18,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:21,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:24,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:26,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:30,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:32,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:33,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:35,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:37,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:39,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:41,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:43,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:44,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:46,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:48,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:50,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:55,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:28:57,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:29:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:29:11,934 INFO L93 Difference]: Finished difference Result 426 states and 591 transitions. [2023-12-02 14:29:11,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 14:29:11,935 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.214285714285714) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (20), 4 states have call predecessors, (20), 7 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) Word has length 133 [2023-12-02 14:29:11,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:29:11,937 INFO L225 Difference]: With dead ends: 426 [2023-12-02 14:29:11,938 INFO L226 Difference]: Without dead ends: 315 [2023-12-02 14:29:11,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 596 SyntacticMatches, 23 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 44.3s TimeCoverageRelationStatistics Valid=274, Invalid=3143, Unknown=5, NotChecked=0, Total=3422 [2023-12-02 14:29:11,940 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 259 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 211 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:29:11,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 919 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2736 Invalid, 51 Unknown, 0 Unchecked, 77.6s Time] [2023-12-02 14:29:11,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-12-02 14:29:11,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2023-12-02 14:29:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 188 states have (on average 1.2180851063829787) internal successors, (229), 192 states have internal predecessors, (229), 92 states have call successors, (92), 23 states have call predecessors, (92), 25 states have return successors, (100), 90 states have call predecessors, (100), 90 states have call successors, (100) [2023-12-02 14:29:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 421 transitions. [2023-12-02 14:29:11,968 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 421 transitions. Word has length 133 [2023-12-02 14:29:11,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:29:11,968 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 421 transitions. [2023-12-02 14:29:11,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.214285714285714) internal successors, (73), 16 states have internal predecessors, (73), 8 states have call successors, (20), 4 states have call predecessors, (20), 7 states have return successors, (19), 8 states have call predecessors, (19), 8 states have call successors, (19) [2023-12-02 14:29:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 421 transitions. [2023-12-02 14:29:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 14:29:11,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:29:11,971 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:29:11,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-12-02 14:29:12,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 14:29:12,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 14:29:12,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:29:12,572 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:29:12,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:29:12,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1594661531, now seen corresponding path program 1 times [2023-12-02 14:29:12,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:29:12,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777703300] [2023-12-02 14:29:12,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:29:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 14:29:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:29:12,575 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 14:29:12,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-12-02 14:29:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:29:13,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 14:29:13,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:29:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 91 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 14:29:17,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:29:19,404 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:29:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777703300] [2023-12-02 14:29:19,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777703300] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:29:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [45158980] [2023-12-02 14:29:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:29:19,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:29:19,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:29:19,405 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:29:19,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9c1921-24c1-412a-85db-d84ebd991c0f/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 14:29:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:29:22,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 1804 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 14:29:22,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:29:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 91 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 14:29:24,284 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:30:03,123 WARN L293 SmtUtils]: Spent 21.37s on a formula simplification. DAG size of input: 683 DAG size of output: 429 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 14:30:03,123 INFO L349 Elim1Store]: treesize reduction 978, result has 60.1 percent of original size [2023-12-02 14:30:03,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 192 treesize of output 1524