./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.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_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/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_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/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_43a59a57-0251-476d-8edf-0e0a89ca85bc/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 ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:30:28,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:30:29,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 12:30:29,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:30:29,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:30:29,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:30:29,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:30:29,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:30:29,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:30:29,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:30:29,060 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:30:29,061 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:30:29,061 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:30:29,062 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:30:29,062 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:30:29,063 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:30:29,063 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:30:29,064 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:30:29,064 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:30:29,065 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:30:29,065 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:30:29,066 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:30:29,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:30:29,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:30:29,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:30:29,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:30:29,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:30:29,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:30:29,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:30:29,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:30:29,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:30:29,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:30:29,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:30:29,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:30:29,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:29,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:30:29,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:30:29,072 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:30:29,072 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:30:29,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:30:29,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:30:29,073 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:30:29,073 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:30:29,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:30:29,073 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_43a59a57-0251-476d-8edf-0e0a89ca85bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbf3b1479afd9aaa2ec45fcd2782998a39316f97238379433376f7ba5094eb5 [2023-12-02 12:30:29,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:30:29,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:30:29,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:30:29,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:30:29,309 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:30:29,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2023-12-02 12:30:32,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:30:32,488 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:30:32,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i [2023-12-02 12:30:32,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/data/192543253/fdd48b9bc418433ea4162f5f1025d591/FLAGb758aa97e [2023-12-02 12:30:32,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/data/192543253/fdd48b9bc418433ea4162f5f1025d591 [2023-12-02 12:30:32,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:30:32,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:30:32,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:32,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:30:32,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:30:32,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:32" (1/1) ... [2023-12-02 12:30:32,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1fee88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:32, skipping insertion in model container [2023-12-02 12:30:32,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:32" (1/1) ... [2023-12-02 12:30:32,647 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:30:32,886 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_43a59a57-0251-476d-8edf-0e0a89ca85bc/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2023-12-02 12:30:32,893 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_43a59a57-0251-476d-8edf-0e0a89ca85bc/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2023-12-02 12:30:33,537 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,538 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,539 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,540 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,541 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,554 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,555 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,557 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,558 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,560 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,561 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,562 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,563 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:33,884 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:30:33,885 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:30:33,886 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:30:33,887 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:30:33,889 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:30:33,890 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:30:33,891 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:30:33,891 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:30:33,892 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:30:33,893 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:30:34,003 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,011 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:34,105 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:30:34,121 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_43a59a57-0251-476d-8edf-0e0a89ca85bc/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4501,4514] [2023-12-02 12:30:34,121 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_43a59a57-0251-476d-8edf-0e0a89ca85bc/sv-benchmarks/c/aws-c-common/aws_array_list_init_dynamic_harness.i[4561,4574] [2023-12-02 12:30:34,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,179 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,180 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,181 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,188 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,189 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,190 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,190 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,192 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,193 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,234 WARN L638 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-12-02 12:30:34,235 WARN L638 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-12-02 12:30:34,236 WARN L638 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-12-02 12:30:34,237 WARN L638 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-12-02 12:30:34,238 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-12-02 12:30:34,239 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-12-02 12:30:34,239 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-12-02 12:30:34,240 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-12-02 12:30:34,240 WARN L638 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-12-02 12:30:34,241 WARN L638 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-12-02 12:30:34,262 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,268 WARN L1590 CHandler]: Possible shadowing of function index [2023-12-02 12:30:34,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2023-12-02 12:30:34,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,540 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,541 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,542 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 12:30:34,549 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:30:34,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34 WrapperNode [2023-12-02 12:30:34,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:34,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:34,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:30:34,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:30:34,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,678 INFO L138 Inliner]: procedures = 689, calls = 1562, calls flagged for inlining = 47, calls inlined = 6, statements flattened = 596 [2023-12-02 12:30:34,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:34,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:30:34,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:30:34,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:30:34,690 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:30:34,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:30:34,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:30:34,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:30:34,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (1/1) ... [2023-12-02 12:30:34,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:34,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:30:34,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:30:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2023-12-02 12:30:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2023-12-02 12:30:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 12:30:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-12-02 12:30:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-12-02 12:30:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-12-02 12:30:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-12-02 12:30:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2023-12-02 12:30:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2023-12-02 12:30:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 12:30:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-12-02 12:30:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 12:30:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:30:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:30:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-12-02 12:30:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-12-02 12:30:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-12-02 12:30:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-12-02 12:30:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-12-02 12:30:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-12-02 12:30:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 12:30:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 12:30:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:30:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:30:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2023-12-02 12:30:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-12-02 12:30:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-12-02 12:30:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-12-02 12:30:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 12:30:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:30:35,091 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:30:35,093 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:30:35,779 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:35,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:35,967 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 12:30:35,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:35 BoogieIcfgContainer [2023-12-02 12:30:35,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:35,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:35,972 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:35,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:35,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:32" (1/3) ... [2023-12-02 12:30:35,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1928374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:35, skipping insertion in model container [2023-12-02 12:30:35,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:34" (2/3) ... [2023-12-02 12:30:35,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1928374c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:35, skipping insertion in model container [2023-12-02 12:30:35,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:35" (3/3) ... [2023-12-02 12:30:35,978 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_dynamic_harness.i [2023-12-02 12:30:35,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:35,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:36,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:36,056 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;@6d6d2ecb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:36,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-02 12:30:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 12:30:36,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:36,072 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:36,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:36,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:36,078 INFO L85 PathProgramCache]: Analyzing trace with hash -767777379, now seen corresponding path program 1 times [2023-12-02 12:30:36,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:36,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623433600] [2023-12-02 12:30:36,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:36,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:36,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:36,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623433600] [2023-12-02 12:30:36,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-02 12:30:36,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961749650] [2023-12-02 12:30:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:36,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:36,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:36,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:30:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:30:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:37,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 1957 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:30:37,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 12:30:37,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:37,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961749650] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:37,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:37,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:30:37,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683305455] [2023-12-02 12:30:37,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:37,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:30:37,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:37,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:30:37,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:30:37,108 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 12:30:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:37,232 INFO L93 Difference]: Finished difference Result 213 states and 282 transitions. [2023-12-02 12:30:37,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:30:37,234 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 39 [2023-12-02 12:30:37,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:37,242 INFO L225 Difference]: With dead ends: 213 [2023-12-02 12:30:37,242 INFO L226 Difference]: Without dead ends: 107 [2023-12-02 12:30:37,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 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 12:30:37,249 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:37,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:30:37,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-02 12:30:37,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-02 12:30:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 58 states have (on average 1.206896551724138) internal successors, (70), 60 states have internal predecessors, (70), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:30:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 136 transitions. [2023-12-02 12:30:37,297 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 136 transitions. Word has length 39 [2023-12-02 12:30:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:37,298 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 136 transitions. [2023-12-02 12:30:37,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 12:30:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2023-12-02 12:30:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 12:30:37,301 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:37,301 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:30:37,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:30:37,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:37,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:37,503 INFO L85 PathProgramCache]: Analyzing trace with hash -755927444, now seen corresponding path program 1 times [2023-12-02 12:30:37,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:37,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277697443] [2023-12-02 12:30:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:37,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:37,614 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:30:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [290390133] [2023-12-02 12:30:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:37,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:37,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:37,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:30:37,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 12:30:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:38,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:30:38,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 12:30:38,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:38,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:38,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277697443] [2023-12-02 12:30:38,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:30:38,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290390133] [2023-12-02 12:30:38,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290390133] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:38,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:38,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:30:38,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469882187] [2023-12-02 12:30:38,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:38,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:30:38,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 12:30:38,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:30:38,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:30:38,177 INFO L87 Difference]: Start difference. First operand 107 states and 136 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 12:30:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:38,433 INFO L93 Difference]: Finished difference Result 203 states and 255 transitions. [2023-12-02 12:30:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:30:38,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 44 [2023-12-02 12:30:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:38,436 INFO L225 Difference]: With dead ends: 203 [2023-12-02 12:30:38,436 INFO L226 Difference]: Without dead ends: 108 [2023-12-02 12:30:38,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 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 12:30:38,439 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 1 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:38,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 355 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 12:30:38,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-02 12:30:38,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-12-02 12:30:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 61 states have internal predecessors, (71), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:30:38,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 137 transitions. [2023-12-02 12:30:38,458 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 137 transitions. Word has length 44 [2023-12-02 12:30:38,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:38,458 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 137 transitions. [2023-12-02 12:30:38,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-12-02 12:30:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 137 transitions. [2023-12-02 12:30:38,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 12:30:38,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:38,461 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:30:38,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 12:30:38,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:38,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:38,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1414479926, now seen corresponding path program 1 times [2023-12-02 12:30:38,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:38,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422353514] [2023-12-02 12:30:38,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:38,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:38,761 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:30:38,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1500086922] [2023-12-02 12:30:38,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:38,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:38,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:38,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:30:38,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43a59a57-0251-476d-8edf-0e0a89ca85bc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 12:30:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:39,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:30:39,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 12:30:39,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:30:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 12:30:39,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 12:30:39,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422353514] [2023-12-02 12:30:39,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 12:30:39,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500086922] [2023-12-02 12:30:39,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500086922] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:30:39,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1053739944] [2023-12-02 12:30:39,390 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2023-12-02 12:30:39,390 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 12:30:39,393 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 12:30:39,397 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 12:30:39,397 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 12:35:32,885 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2143 for LOIs [2023-12-02 12:35:42,258 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 188 for LOIs [2023-12-02 12:35:42,410 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 41 for LOIs [2023-12-02 12:35:42,415 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 77 for LOIs [2023-12-02 12:35:42,680 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 60 for LOIs [2023-12-02 12:35:42,695 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 107 for LOIs [2023-12-02 12:35:43,137 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 12:37:35,128 WARN L293 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 2147 DAG size of output: 2145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:39:54,302 WARN L293 SmtUtils]: Spent 2.29m on a formula simplification. DAG size of input: 2143 DAG size of output: 2141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:41:28,240 WARN L293 SmtUtils]: Spent 1.53m on a formula simplification. DAG size of input: 2147 DAG size of output: 2145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:42:15,955 WARN L293 SmtUtils]: Spent 45.62s on a formula simplification. DAG size of input: 2150 DAG size of output: 2149 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:44:12,217 WARN L293 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 2150 DAG size of output: 2149 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)