./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:17:55,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:17:55,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:17:55,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:17:55,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:17:55,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:17:55,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:17:55,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:17:55,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:17:55,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:17:55,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:17:55,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:17:55,936 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:17:55,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:17:55,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:17:55,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:17:55,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:17:55,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:17:55,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:17:55,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:17:55,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:17:55,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:17:55,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:17:55,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:17:55,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:17:55,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:17:55,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:17:55,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:17:55,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:17:55,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:17:55,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:17:55,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:17:55,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:17:55,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:17:55,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:17:55,948 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:17:55,948 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2023-11-06 22:17:56,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:17:56,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:17:56,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:17:56,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:17:56,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:17:56,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2023-11-06 22:17:59,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:17:59,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:17:59,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2023-11-06 22:18:00,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/data/355d743d4/b982863992b9416eb7903f11607a1d91/FLAG86d88875b [2023-11-06 22:18:00,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/data/355d743d4/b982863992b9416eb7903f11607a1d91 [2023-11-06 22:18:00,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:18:00,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:18:00,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:00,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:18:00,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:18:00,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:00" (1/1) ... [2023-11-06 22:18:00,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535c5e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:00, skipping insertion in model container [2023-11-06 22:18:00,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:00" (1/1) ... [2023-11-06 22:18:00,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:18:00,478 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-06 22:18:00,487 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-06 22:18:01,606 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,607 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,608 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,619 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,621 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,648 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,649 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,652 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,652 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,654 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,658 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,673 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:01,674 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,110 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:18:02,112 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:18:02,113 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:18:02,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:18:02,117 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:18:02,118 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:18:02,119 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:18:02,120 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:18:02,121 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:18:02,122 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:18:02,376 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,394 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:02,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:18:02,527 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-06 22:18:02,527 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_8d6bc152-193d-430a-b382-5f8e7171d2a6/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-06 22:18:02,583 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,584 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,584 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,585 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,586 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,594 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,594 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,596 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,596 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,598 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,599 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,599 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,600 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,639 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-06 22:18:02,640 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-06 22:18:02,641 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-06 22:18:02,642 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-06 22:18:02,643 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-06 22:18:02,643 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-06 22:18:02,644 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-06 22:18:02,645 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-06 22:18:02,645 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-06 22:18:02,646 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-06 22:18:02,734 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,739 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-06 22:18:02,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2023-11-06 22:18:02,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:03,055 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,056 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,056 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,057 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,057 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,058 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,058 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,058 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,058 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,059 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,059 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,060 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,060 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,060 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,062 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,062 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:18:03,070 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:18:03,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03 WrapperNode [2023-11-06 22:18:03,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:03,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:03,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:18:03,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:18:03,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,237 INFO L138 Inliner]: procedures = 690, calls = 1691, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 669 [2023-11-06 22:18:03,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:03,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:18:03,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:18:03,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:18:03,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:18:03,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:18:03,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:18:03,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:18:03,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (1/1) ... [2023-11-06 22:18:03,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:03,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:03,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:18:03,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:18:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:18:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:18:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-06 22:18:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-06 22:18:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-06 22:18:03,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-06 22:18:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-06 22:18:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-06 22:18:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:18:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-06 22:18:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-06 22:18:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-06 22:18:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-06 22:18:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:18:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:18:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:18:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-06 22:18:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-06 22:18:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:18:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:18:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-06 22:18:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-06 22:18:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-06 22:18:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-06 22:18:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-06 22:18:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-06 22:18:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-06 22:18:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-06 22:18:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-06 22:18:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-06 22:18:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:18:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:18:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-06 22:18:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-06 22:18:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:18:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:18:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:18:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-06 22:18:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-06 22:18:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-06 22:18:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-06 22:18:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:18:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-06 22:18:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-06 22:18:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:18:03,804 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:18:03,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:18:05,128 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:18:05,140 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:18:05,141 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:18:05,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:05 BoogieIcfgContainer [2023-11-06 22:18:05,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:18:05,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:18:05,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:18:05,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:18:05,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:18:00" (1/3) ... [2023-11-06 22:18:05,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbe54ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:05, skipping insertion in model container [2023-11-06 22:18:05,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:03" (2/3) ... [2023-11-06 22:18:05,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbe54ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:05, skipping insertion in model container [2023-11-06 22:18:05,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:05" (3/3) ... [2023-11-06 22:18:05,156 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2023-11-06 22:18:05,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:18:05,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:18:05,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:18:05,238 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ba2452d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:18:05,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:18:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:18:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:18:05,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:05,264 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:05,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:05,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:05,270 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2023-11-06 22:18:05,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:05,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87348186] [2023-11-06 22:18:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:18:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:18:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:18:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:18:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:18:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:18:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:18:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:18:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:18:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:18:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:18:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:18:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:18:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:18:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:18:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:18:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:18:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:18:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:18:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:18:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:18:06,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87348186] [2023-11-06 22:18:06,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87348186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:06,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:06,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:18:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498135807] [2023-11-06 22:18:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:06,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:18:06,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:06,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:18:06,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:06,543 INFO L87 Difference]: Start difference. First operand has 182 states, 110 states have (on average 1.209090909090909) internal successors, (133), 111 states have internal predecessors, (133), 54 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:18:07,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:07,418 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2023-11-06 22:18:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:18:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2023-11-06 22:18:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:07,432 INFO L225 Difference]: With dead ends: 378 [2023-11-06 22:18:07,433 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:18:07,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:18:07,442 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 114 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:07,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 279 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:18:07,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:18:07,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2023-11-06 22:18:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 104 states have internal predecessors, (120), 54 states have call successors, (54), 16 states have call predecessors, (54), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-06 22:18:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2023-11-06 22:18:07,511 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2023-11-06 22:18:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:07,512 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2023-11-06 22:18:07,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:18:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2023-11-06 22:18:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:18:07,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:07,517 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:18:07,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:07,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2023-11-06 22:18:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026385778] [2023-11-06 22:18:07,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:18:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:18:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:18:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:18:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:18:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:18:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:18:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:18:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:18:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:18:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:18:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:18:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:18:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:18:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:18:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:18:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:18:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:18:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:18:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:18:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:18:08,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:08,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026385778] [2023-11-06 22:18:08,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026385778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:08,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:08,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:18:08,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307407415] [2023-11-06 22:18:08,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:08,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:18:08,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:18:08,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:18:08,939 INFO L87 Difference]: Start difference. First operand 173 states and 226 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:18:10,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:10,146 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2023-11-06 22:18:10,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:18:10,147 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2023-11-06 22:18:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:10,152 INFO L225 Difference]: With dead ends: 365 [2023-11-06 22:18:10,152 INFO L226 Difference]: Without dead ends: 252 [2023-11-06 22:18:10,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:18:10,154 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 140 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:10,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 942 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 22:18:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-06 22:18:10,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2023-11-06 22:18:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 112 states have (on average 1.1607142857142858) internal successors, (130), 113 states have internal predecessors, (130), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (56), 56 states have call predecessors, (56), 55 states have call successors, (56) [2023-11-06 22:18:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2023-11-06 22:18:10,211 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2023-11-06 22:18:10,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:10,213 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2023-11-06 22:18:10,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 6 states have internal predecessors, (43), 3 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:18:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2023-11-06 22:18:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:18:10,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:10,222 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:10,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:18:10,223 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:10,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2023-11-06 22:18:10,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:10,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018447543] [2023-11-06 22:18:10,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:10,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:18:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:18:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:18:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:18:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:18:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:18:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:18:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:18:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:18:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:18:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:18:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:18:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:18:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:18:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:18:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:18:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:18:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:18:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:18:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:18:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:18:11,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:11,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018447543] [2023-11-06 22:18:11,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018447543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:11,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:11,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:18:11,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075693426] [2023-11-06 22:18:11,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:11,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:18:11,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:18:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:18:11,435 INFO L87 Difference]: Start difference. First operand 186 states and 243 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-06 22:18:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:12,831 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2023-11-06 22:18:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:18:12,832 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 124 [2023-11-06 22:18:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:12,841 INFO L225 Difference]: With dead ends: 359 [2023-11-06 22:18:12,842 INFO L226 Difference]: Without dead ends: 252 [2023-11-06 22:18:12,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:18:12,848 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 100 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:12,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1071 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:18:12,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-06 22:18:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2023-11-06 22:18:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2023-11-06 22:18:12,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2023-11-06 22:18:12,899 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2023-11-06 22:18:12,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:12,902 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2023-11-06 22:18:12,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 7 states have internal predecessors, (43), 4 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-06 22:18:12,903 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2023-11-06 22:18:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-06 22:18:12,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:12,907 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:12,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:18:12,910 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:12,911 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:12,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2023-11-06 22:18:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:12,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169496924] [2023-11-06 22:18:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:18:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:18:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:18:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:18:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 22:18:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:18:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:18:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:18:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:18:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:18:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:18:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:18:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:18:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:18:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:18:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:18:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:18:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:18:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:18:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:18:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-06 22:18:13,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169496924] [2023-11-06 22:18:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169496924] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:18:13,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713668006] [2023-11-06 22:18:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:13,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:13,874 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:13,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:18:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:14,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:18:14,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-06 22:18:14,523 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:14,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713668006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:14,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:18:14,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2023-11-06 22:18:14,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79319523] [2023-11-06 22:18:14,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:14,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:18:14,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:14,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:18:14,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:18:14,537 INFO L87 Difference]: Start difference. First operand 192 states and 252 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:18:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:14,687 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2023-11-06 22:18:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:18:14,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 124 [2023-11-06 22:18:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:14,690 INFO L225 Difference]: With dead ends: 357 [2023-11-06 22:18:14,690 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:18:14,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:18:14,694 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 2 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:14,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1012 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:18:14,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:18:14,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2023-11-06 22:18:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 118 states have internal predecessors, (134), 60 states have call successors, (60), 16 states have call predecessors, (60), 17 states have return successors, (68), 59 states have call predecessors, (68), 58 states have call successors, (68) [2023-11-06 22:18:14,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2023-11-06 22:18:14,724 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2023-11-06 22:18:14,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:14,724 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2023-11-06 22:18:14,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-06 22:18:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2023-11-06 22:18:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:18:14,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:14,727 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:14,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:14,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:14,938 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:14,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:14,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2023-11-06 22:18:14,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:14,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94445191] [2023-11-06 22:18:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:14,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:15,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:15,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478685195] [2023-11-06 22:18:15,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:15,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:15,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:15,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:18:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:15,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:18:15,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-06 22:18:15,692 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:15,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:15,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94445191] [2023-11-06 22:18:15,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:15,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478685195] [2023-11-06 22:18:15,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478685195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:15,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:18:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160154017] [2023-11-06 22:18:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:15,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:18:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:15,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:18:15,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:18:15,696 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-06 22:18:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:15,777 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2023-11-06 22:18:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:18:15,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 139 [2023-11-06 22:18:15,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:15,780 INFO L225 Difference]: With dead ends: 235 [2023-11-06 22:18:15,780 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:18:15,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:18:15,782 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:15,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:18:15,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:18:15,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:18:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:18:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:18:15,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2023-11-06 22:18:15,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:15,784 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:18:15,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-06 22:18:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:18:15,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:18:15,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:18:15,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:15,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:15,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:18:16,403 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2023-11-06 22:18:16,403 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2023-11-06 22:18:16,403 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,403 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2778 2783) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 7010 7022) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2023-11-06 22:18:16,404 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2023-11-06 22:18:16,405 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2023-11-06 22:18:16,405 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,405 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2023-11-06 22:18:16,405 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,405 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2023-11-06 22:18:16,406 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,406 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2023-11-06 22:18:16,406 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2023-11-06 22:18:16,406 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6996 7008) the Hoare annotation is: true [2023-11-06 22:18:16,406 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2023-11-06 22:18:16,406 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2023-11-06 22:18:16,406 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2023-11-06 22:18:16,407 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3259 3286) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,408 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2023-11-06 22:18:16,408 INFO L895 garLoopResultBuilder]: At program point L3272(line 3272) the Hoare annotation is: (or (and (<= |aws_array_list_is_valid_#in~list.base| aws_array_list_is_valid_~list.base) (<= |aws_array_list_is_valid_#in~list.base| 0)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,408 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2023-11-06 22:18:16,408 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2023-11-06 22:18:16,408 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-06 22:18:16,408 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-06 22:18:16,408 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-06 22:18:16,409 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2023-11-06 22:18:16,409 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7174 7178) the Hoare annotation is: true [2023-11-06 22:18:16,409 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2023-11-06 22:18:16,409 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2023-11-06 22:18:16,409 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2023-11-06 22:18:16,409 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2023-11-06 22:18:16,410 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,410 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2023-11-06 22:18:16,410 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2023-11-06 22:18:16,410 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2023-11-06 22:18:16,410 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2023-11-06 22:18:16,410 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2023-11-06 22:18:16,411 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 2584 2592) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,411 INFO L902 garLoopResultBuilder]: At program point aws_mul_u64_checked_returnLabel#1(lines 2495 2500) the Hoare annotation is: true [2023-11-06 22:18:16,411 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2023-11-06 22:18:16,411 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2023-11-06 22:18:16,411 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2023-11-06 22:18:16,411 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2023-11-06 22:18:16,412 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2023-11-06 22:18:16,412 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2023-11-06 22:18:16,412 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2023-11-06 22:18:16,412 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2023-11-06 22:18:16,412 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2023-11-06 22:18:16,412 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7373 7385) the Hoare annotation is: true [2023-11-06 22:18:16,412 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2023-11-06 22:18:16,413 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2023-11-06 22:18:16,413 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3487 3498) the Hoare annotation is: true [2023-11-06 22:18:16,413 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2023-11-06 22:18:16,413 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2023-11-06 22:18:16,413 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2023-11-06 22:18:16,413 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2023-11-06 22:18:16,414 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2023-11-06 22:18:16,414 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2023-11-06 22:18:16,414 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2023-11-06 22:18:16,414 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2023-11-06 22:18:16,414 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2023-11-06 22:18:16,414 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2023-11-06 22:18:16,414 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2023-11-06 22:18:16,415 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2023-11-06 22:18:16,415 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2023-11-06 22:18:16,415 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2795 2799) the Hoare annotation is: true [2023-11-06 22:18:16,415 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2023-11-06 22:18:16,415 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2023-11-06 22:18:16,415 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2023-11-06 22:18:16,416 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:18:16,416 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-06 22:18:16,416 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-06 22:18:16,416 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-06 22:18:16,416 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1988 1999) the Hoare annotation is: (or (= ~tl_last_error~0 |old(~tl_last_error~0)|) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,416 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2023-11-06 22:18:16,416 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2023-11-06 22:18:16,417 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-06 22:18:16,417 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2023-11-06 22:18:16,417 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2023-11-06 22:18:16,417 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2023-11-06 22:18:16,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7387 7389) the Hoare annotation is: true [2023-11-06 22:18:16,417 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2023-11-06 22:18:16,418 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2023-11-06 22:18:16,418 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2785 2787) the Hoare annotation is: true [2023-11-06 22:18:16,418 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2023-11-06 22:18:16,418 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-06 22:18:16,418 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 253 256) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-06 22:18:16,418 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2023-11-06 22:18:16,419 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2023-11-06 22:18:16,419 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2023-11-06 22:18:16,419 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2023-11-06 22:18:16,419 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2023-11-06 22:18:16,419 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2023-11-06 22:18:16,419 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2023-11-06 22:18:16,419 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(line 8004) the Hoare annotation is: true [2023-11-06 22:18:16,420 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2023-11-06 22:18:16,420 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2023-11-06 22:18:16,420 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2023-11-06 22:18:16,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:18:16,420 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2023-11-06 22:18:16,420 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2023-11-06 22:18:16,420 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2023-11-06 22:18:16,421 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2023-11-06 22:18:16,421 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2023-11-06 22:18:16,421 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2023-11-06 22:18:16,421 INFO L902 garLoopResultBuilder]: At program point L7188(lines 7188 7205) the Hoare annotation is: true [2023-11-06 22:18:16,421 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2023-11-06 22:18:16,421 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2023-11-06 22:18:16,422 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2023-11-06 22:18:16,422 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2023-11-06 22:18:16,422 INFO L895 garLoopResultBuilder]: At program point nondet_size_t_returnLabel#1(line 263) the Hoare annotation is: false [2023-11-06 22:18:16,422 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2023-11-06 22:18:16,422 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2023-11-06 22:18:16,422 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2023-11-06 22:18:16,422 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2023-11-06 22:18:16,423 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2023-11-06 22:18:16,423 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2023-11-06 22:18:16,423 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2023-11-06 22:18:16,423 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:18:16,423 INFO L895 garLoopResultBuilder]: At program point aws_array_list_front_returnLabel#1(lines 3328 3343) the Hoare annotation is: false [2023-11-06 22:18:16,423 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2023-11-06 22:18:16,423 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2023-11-06 22:18:16,424 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2023-11-06 22:18:16,424 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2023-11-06 22:18:16,424 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2023-11-06 22:18:16,424 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2023-11-06 22:18:16,424 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2023-11-06 22:18:16,424 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2023-11-06 22:18:16,425 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2023-11-06 22:18:16,425 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2023-11-06 22:18:16,425 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2023-11-06 22:18:16,425 INFO L895 garLoopResultBuilder]: At program point L7976-1(line 7976) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) [2023-11-06 22:18:16,425 INFO L895 garLoopResultBuilder]: At program point L7976(line 7976) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) [2023-11-06 22:18:16,425 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2023-11-06 22:18:16,426 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2023-11-06 22:18:16,426 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2023-11-06 22:18:16,426 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:18:16,426 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2023-11-06 22:18:16,426 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2023-11-06 22:18:16,426 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2023-11-06 22:18:16,426 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2023-11-06 22:18:16,427 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2023-11-06 22:18:16,427 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2023-11-06 22:18:16,427 INFO L895 garLoopResultBuilder]: At program point L7977-1(line 7977) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) [2023-11-06 22:18:16,427 INFO L895 garLoopResultBuilder]: At program point L7977(line 7977) the Hoare annotation is: (and (<= 1 |#StackHeapBarrier|) (<= 2 |ULTIMATE.start_aws_array_list_front_harness_~#list~0#1.base|)) [2023-11-06 22:18:16,427 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2023-11-06 22:18:16,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:18:16,428 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2023-11-06 22:18:16,428 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2023-11-06 22:18:16,428 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2023-11-06 22:18:16,428 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret802#1| 0) [2023-11-06 22:18:16,428 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2023-11-06 22:18:16,428 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2023-11-06 22:18:16,428 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2023-11-06 22:18:16,429 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2023-11-06 22:18:16,429 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2023-11-06 22:18:16,429 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2023-11-06 22:18:16,429 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2023-11-06 22:18:16,429 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2023-11-06 22:18:16,429 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2023-11-06 22:18:16,430 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2023-11-06 22:18:16,430 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2023-11-06 22:18:16,430 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-06 22:18:16,430 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-06 22:18:16,430 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:18:16,430 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-06 22:18:16,430 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-06 22:18:16,431 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-06 22:18:16,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:18:16,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:18:16,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:18:16 BoogieIcfgContainer [2023-11-06 22:18:16,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:18:16,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:18:16,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:18:16,452 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:18:16,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:05" (3/4) ... [2023-11-06 22:18:16,458 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:18:16,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:18:16,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-06 22:18:16,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2023-11-06 22:18:16,470 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2023-11-06 22:18:16,484 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-06 22:18:16,502 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2023-11-06 22:18:16,516 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2023-11-06 22:18:16,517 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-06 22:18:16,519 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:18:16,520 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:18:16,522 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:18:16,531 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 22:18:16,532 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:18:17,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:18:17,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:18:17,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:18:17,107 INFO L158 Benchmark]: Toolchain (without parser) took 17054.48ms. Allocated memory was 178.3MB in the beginning and 343.9MB in the end (delta: 165.7MB). Free memory was 138.8MB in the beginning and 76.4MB in the end (delta: 62.4MB). Peak memory consumption was 227.6MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,107 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 125.8MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:18:17,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3013.31ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 94.6MB in the end (delta: 43.7MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.07ms. Allocated memory is still 178.3MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,109 INFO L158 Benchmark]: Boogie Preprocessor took 98.19ms. Allocated memory is still 178.3MB. Free memory was 85.5MB in the beginning and 78.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,109 INFO L158 Benchmark]: RCFGBuilder took 1806.89ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 78.6MB in the beginning and 152.9MB in the end (delta: -74.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,109 INFO L158 Benchmark]: TraceAbstraction took 11304.01ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 152.9MB in the beginning and 201.2MB in the end (delta: -48.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,110 INFO L158 Benchmark]: Witness Printer took 654.61ms. Allocated memory is still 343.9MB. Free memory was 201.2MB in the beginning and 76.4MB in the end (delta: 124.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-06 22:18:17,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 125.8MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3013.31ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 94.6MB in the end (delta: 43.7MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.07ms. Allocated memory is still 178.3MB. Free memory was 93.9MB in the beginning and 85.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.19ms. Allocated memory is still 178.3MB. Free memory was 85.5MB in the beginning and 78.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1806.89ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 78.6MB in the beginning and 152.9MB in the end (delta: -74.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11304.01ms. Allocated memory was 237.0MB in the beginning and 343.9MB in the end (delta: 107.0MB). Free memory was 152.9MB in the beginning and 201.2MB in the end (delta: -48.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 654.61ms. Allocated memory is still 343.9MB. Free memory was 201.2MB in the beginning and 76.4MB in the end (delta: 124.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 182 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 446 mSDsluCounter, 3546 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2774 mSDsCounter, 415 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2180 IncrementalHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 415 mSolverCounterUnsat, 772 mSDtfsCounter, 2180 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 76 LocationsWithAnnotation, 405 PreInvPairs, 413 NumberOfFragments, 311 HoareAnnotationTreeSize, 405 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 76 FomulaSimplificationsInter, 85 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1477 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4563 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1291/1320 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:18:17,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d6bc152-193d-430a-b382-5f8e7171d2a6/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE