./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/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_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:22,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:22,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:22,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:22,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:22,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:22,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:22,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:22,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:22,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:22,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:22,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:22,631 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:22,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:22,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:22,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:22,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:22,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:22,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:22,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:22,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:22,636 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:22,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:22,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:22,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:22,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:22,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:22,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:22,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:22,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:22,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:22,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:22,641 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:22,641 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:22,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:22,642 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:22,642 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_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab77e35ee9737971bef4cfaab645b79b32b241c77e037d17af53d4cd9996d59 [2023-11-12 02:15:22,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:22,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:22,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:22,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:22,959 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:22,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2023-11-12 02:15:26,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:26,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:26,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2023-11-12 02:15:26,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/data/07d417c12/b5ce379b964d49a7b9238e8977bba58f/FLAGcf768d239 [2023-11-12 02:15:26,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/data/07d417c12/b5ce379b964d49a7b9238e8977bba58f [2023-11-12 02:15:26,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:26,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:26,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:26,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:26,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:26,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:26" (1/1) ... [2023-11-12 02:15:26,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e992d5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:26, skipping insertion in model container [2023-11-12 02:15:26,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:26" (1/1) ... [2023-11-12 02:15:26,835 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:27,083 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_22c74857-f79c-491f-a96c-a2925c65de56/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-12 02:15:27,092 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_22c74857-f79c-491f-a96c-a2925c65de56/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-12 02:15:28,175 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,176 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,182 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,183 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,184 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,219 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,219 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,221 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,222 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,224 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,224 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,225 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,226 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,567 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:15:28,568 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:15:28,569 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:15:28,571 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:15:28,572 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:15:28,573 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:15:28,574 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:15:28,575 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:15:28,576 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:15:28,577 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:15:28,735 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,748 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:28,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:28,870 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_22c74857-f79c-491f-a96c-a2925c65de56/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4494,4507] [2023-11-12 02:15:28,871 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_22c74857-f79c-491f-a96c-a2925c65de56/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i[4554,4567] [2023-11-12 02:15:28,968 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,969 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,969 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:28,970 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,000 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,017 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,018 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,019 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,020 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,021 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,022 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,022 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,023 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,071 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 02:15:29,072 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 02:15:29,073 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 02:15:29,074 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 02:15:29,075 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 02:15:29,076 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 02:15:29,077 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 02:15:29,078 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 02:15:29,078 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 02:15:29,079 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 02:15:29,111 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,118 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 02:15:29,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2023-11-12 02:15:29,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:29,405 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,406 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,407 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,407 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,407 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,407 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,407 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,408 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,408 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,408 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,408 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:29,416 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:29,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29 WrapperNode [2023-11-12 02:15:29,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:29,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:29,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:29,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:29,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,560 INFO L138 Inliner]: procedures = 690, calls = 1691, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 669 [2023-11-12 02:15:29,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:29,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:29,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:29,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:29,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:29,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:29,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:29,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:29,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (1/1) ... [2023-11-12 02:15:29,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:29,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:29,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:29,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:15:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2023-11-12 02:15:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2023-11-12 02:15:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2023-11-12 02:15:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2023-11-12 02:15:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 02:15:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 02:15:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-12 02:15:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-12 02:15:29,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 02:15:29,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 02:15:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2023-11-12 02:15:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2023-11-12 02:15:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 02:15:29,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 02:15:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2023-11-12 02:15:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2023-11-12 02:15:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2023-11-12 02:15:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2023-11-12 02:15:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2023-11-12 02:15:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2023-11-12 02:15:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2023-11-12 02:15:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2023-11-12 02:15:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:15:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:15:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2023-11-12 02:15:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2023-11-12 02:15:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:29,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 02:15:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 02:15:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2023-11-12 02:15:29,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2023-11-12 02:15:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2023-11-12 02:15:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2023-11-12 02:15:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:30,198 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:30,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:31,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:31,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:31,455 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:15:31,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31 BoogieIcfgContainer [2023-11-12 02:15:31,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:31,460 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:31,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:31,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:31,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:26" (1/3) ... [2023-11-12 02:15:31,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42424438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:31, skipping insertion in model container [2023-11-12 02:15:31,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:29" (2/3) ... [2023-11-12 02:15:31,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42424438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:31, skipping insertion in model container [2023-11-12 02:15:31,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31" (3/3) ... [2023-11-12 02:15:31,467 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2023-11-12 02:15:31,487 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:31,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:31,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:31,549 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@578beddc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:31,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:31,555 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) [2023-11-12 02:15:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:15:31,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:31,575 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] [2023-11-12 02:15:31,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:31,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:31,583 INFO L85 PathProgramCache]: Analyzing trace with hash 565976823, now seen corresponding path program 1 times [2023-11-12 02:15:31,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:31,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998417203] [2023-11-12 02:15:31,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:15:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:15:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:15:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:15:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:15:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:15:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:15:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:15:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:15:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:15:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:15:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:15:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:15:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:15:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:15:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:15:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:15:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-12 02:15:32,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:32,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998417203] [2023-11-12 02:15:32,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998417203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:32,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:32,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:15:32,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717213397] [2023-11-12 02:15:32,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:32,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:15:32,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:32,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:15:32,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:15:32,871 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) [2023-11-12 02:15:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:33,779 INFO L93 Difference]: Finished difference Result 378 states and 547 transitions. [2023-11-12 02:15:33,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:15:33,782 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 [2023-11-12 02:15:33,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:33,794 INFO L225 Difference]: With dead ends: 378 [2023-11-12 02:15:33,795 INFO L226 Difference]: Without dead ends: 194 [2023-11-12 02:15:33,801 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 [2023-11-12 02:15:33,805 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 [2023-11-12 02:15:33,807 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] [2023-11-12 02:15:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-12 02:15:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 173. [2023-11-12 02:15:33,871 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) [2023-11-12 02:15:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 226 transitions. [2023-11-12 02:15:33,876 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 226 transitions. Word has length 124 [2023-11-12 02:15:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 226 transitions. [2023-11-12 02:15:33,877 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) [2023-11-12 02:15:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 226 transitions. [2023-11-12 02:15:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:15:33,881 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:33,881 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] [2023-11-12 02:15:33,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:15:33,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:33,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:33,883 INFO L85 PathProgramCache]: Analyzing trace with hash 717213231, now seen corresponding path program 1 times [2023-11-12 02:15:33,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:33,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760238066] [2023-11-12 02:15:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:33,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:15:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:15:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:15:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:15:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:15:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:15:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:15:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:15:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:15:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:15:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:15:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:15:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:15:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:15:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:15:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:15:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:15:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-12 02:15:35,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:35,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760238066] [2023-11-12 02:15:35,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760238066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:35,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:35,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 02:15:35,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708895873] [2023-11-12 02:15:35,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:35,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:15:35,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:35,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:15:35,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:35,262 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) [2023-11-12 02:15:36,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:36,404 INFO L93 Difference]: Finished difference Result 365 states and 503 transitions. [2023-11-12 02:15:36,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:15:36,405 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 [2023-11-12 02:15:36,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:36,410 INFO L225 Difference]: With dead ends: 365 [2023-11-12 02:15:36,410 INFO L226 Difference]: Without dead ends: 252 [2023-11-12 02:15:36,411 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 [2023-11-12 02:15:36,412 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 140 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:36,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 988 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-12 02:15:36,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-12 02:15:36,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 186. [2023-11-12 02:15:36,446 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) [2023-11-12 02:15:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 243 transitions. [2023-11-12 02:15:36,449 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 243 transitions. Word has length 124 [2023-11-12 02:15:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:36,449 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 243 transitions. [2023-11-12 02:15:36,450 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) [2023-11-12 02:15:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2023-11-12 02:15:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:15:36,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:36,453 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] [2023-11-12 02:15:36,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:15:36,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:36,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1593232237, now seen corresponding path program 1 times [2023-11-12 02:15:36,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:36,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692701279] [2023-11-12 02:15:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:15:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:15:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:15:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:15:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:15:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:15:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:15:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:15:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:15:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:15:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:15:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:15:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:15:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:15:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:15:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:15:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:37,935 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-12 02:15:37,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692701279] [2023-11-12 02:15:37,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692701279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:37,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:37,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-12 02:15:37,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915365823] [2023-11-12 02:15:37,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:37,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:15:37,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:37,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:15:37,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:15:37,943 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) [2023-11-12 02:15:39,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:39,500 INFO L93 Difference]: Finished difference Result 359 states and 492 transitions. [2023-11-12 02:15:39,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:15:39,501 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 [2023-11-12 02:15:39,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:39,505 INFO L225 Difference]: With dead ends: 359 [2023-11-12 02:15:39,505 INFO L226 Difference]: Without dead ends: 252 [2023-11-12 02:15:39,506 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 [2023-11-12 02:15:39,508 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 100 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1149 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:39,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1149 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 02:15:39,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-12 02:15:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2023-11-12 02:15:39,541 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) [2023-11-12 02:15:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 252 transitions. [2023-11-12 02:15:39,544 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 252 transitions. Word has length 124 [2023-11-12 02:15:39,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:39,545 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 252 transitions. [2023-11-12 02:15:39,546 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) [2023-11-12 02:15:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2023-11-12 02:15:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-12 02:15:39,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:39,550 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] [2023-11-12 02:15:39,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:15:39,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:39,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1198865451, now seen corresponding path program 1 times [2023-11-12 02:15:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:39,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218763789] [2023-11-12 02:15:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:15:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:15:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-12 02:15:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-12 02:15:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:15:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:15:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:15:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:15:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-12 02:15:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-12 02:15:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-12 02:15:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-12 02:15:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-12 02:15:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-12 02:15:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-12 02:15:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-12 02:15:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:15:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-12 02:15:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-12 02:15:40,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218763789] [2023-11-12 02:15:40,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218763789] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:15:40,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229043795] [2023-11-12 02:15:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:40,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:40,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:40,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:40,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:15:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:41,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:15:41,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-12 02:15:41,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:41,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229043795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:41,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:15:41,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2023-11-12 02:15:41,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337732514] [2023-11-12 02:15:41,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:41,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:15:41,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:41,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:15:41,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:15:41,333 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) [2023-11-12 02:15:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:41,513 INFO L93 Difference]: Finished difference Result 357 states and 477 transitions. [2023-11-12 02:15:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:41,514 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 [2023-11-12 02:15:41,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:41,517 INFO L225 Difference]: With dead ends: 357 [2023-11-12 02:15:41,517 INFO L226 Difference]: Without dead ends: 194 [2023-11-12 02:15:41,518 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 [2023-11-12 02:15:41,519 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 [2023-11-12 02:15:41,520 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] [2023-11-12 02:15:41,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-12 02:15:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2023-11-12 02:15:41,541 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) [2023-11-12 02:15:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2023-11-12 02:15:41,543 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 124 [2023-11-12 02:15:41,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:41,544 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2023-11-12 02:15:41,544 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) [2023-11-12 02:15:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2023-11-12 02:15:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-12 02:15:41,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:41,547 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] [2023-11-12 02:15:41,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:41,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:41,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:41,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1419762735, now seen corresponding path program 1 times [2023-11-12 02:15:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:41,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078207563] [2023-11-12 02:15:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:41,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:41,870 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:15:41,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1147307784] [2023-11-12 02:15:41,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:41,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:41,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:15:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:15:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:42,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 2355 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:15:42,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:15:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-11-12 02:15:42,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:15:42,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:42,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078207563] [2023-11-12 02:15:42,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:15:42,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147307784] [2023-11-12 02:15:42,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147307784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:42,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:42,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:15:42,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058228242] [2023-11-12 02:15:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:42,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:15:42,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:42,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:15:42,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:15:42,708 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) [2023-11-12 02:15:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:42,827 INFO L93 Difference]: Finished difference Result 235 states and 304 transitions. [2023-11-12 02:15:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:42,828 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 [2023-11-12 02:15:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:42,830 INFO L225 Difference]: With dead ends: 235 [2023-11-12 02:15:42,830 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:15:42,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:15:42,833 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:42,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 242 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:15:42,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:15:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:15:42,836 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) [2023-11-12 02:15:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:15:42,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 139 [2023-11-12 02:15:42,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:42,837 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:15:42,838 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) [2023-11-12 02:15:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:15:42,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:15:42,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:15:42,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:15:43,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:15:43,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:15:43,601 INFO L899 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 2778 2783) no Hoare annotation was computed. [2023-11-12 02:15:43,601 INFO L899 garLoopResultBuilder]: For program point L2779-1(lines 2779 2781) no Hoare annotation was computed. [2023-11-12 02:15:43,602 INFO L895 garLoopResultBuilder]: At program point L2779(lines 2779 2781) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-12 02:15:43,602 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)) [2023-11-12 02:15:43,602 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 2778 2783) no Hoare annotation was computed. [2023-11-12 02:15:43,602 INFO L899 garLoopResultBuilder]: For program point L7011-4(lines 7010 7022) no Hoare annotation was computed. [2023-11-12 02:15:43,602 INFO L899 garLoopResultBuilder]: For program point L7011-2(lines 7011 7021) no Hoare annotation was computed. [2023-11-12 02:15:43,603 INFO L902 garLoopResultBuilder]: At program point L7018(line 7018) the Hoare annotation is: true [2023-11-12 02:15:43,603 INFO L899 garLoopResultBuilder]: For program point L7020-1(line 7020) no Hoare annotation was computed. [2023-11-12 02:15:43,603 INFO L902 garLoopResultBuilder]: At program point L7020(line 7020) the Hoare annotation is: true [2023-11-12 02:15:43,603 INFO L899 garLoopResultBuilder]: For program point ensure_array_list_has_allocated_data_memberEXIT(lines 7010 7022) no Hoare annotation was computed. [2023-11-12 02:15:43,603 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$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-12 02:15:43,603 INFO L899 garLoopResultBuilder]: For program point L7018-3(lines 7018 7020) no Hoare annotation was computed. [2023-11-12 02:15:43,603 INFO L899 garLoopResultBuilder]: For program point L7018-1(lines 7018 7020) no Hoare annotation was computed. [2023-11-12 02:15:43,604 INFO L899 garLoopResultBuilder]: For program point L7012-1(lines 7012 7014) no Hoare annotation was computed. [2023-11-12 02:15:43,604 INFO L895 garLoopResultBuilder]: At program point L7012(lines 7012 7014) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-12 02:15:43,604 INFO L899 garLoopResultBuilder]: For program point L7015-1(line 7015) no Hoare annotation was computed. [2023-11-12 02:15:43,604 INFO L895 garLoopResultBuilder]: At program point L7015(line 7015) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-12 02:15:43,604 INFO L899 garLoopResultBuilder]: For program point L7017-1(line 7017) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L895 garLoopResultBuilder]: At program point L7017(line 7017) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) (<= |#StackHeapBarrier| 0)) [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point L7011(line 7011) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedEXIT(lines 6996 7008) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6996 7008) the Hoare annotation is: true [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_boundedFINAL(lines 6996 7008) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point L3279(lines 3279 3280) no Hoare annotation was computed. [2023-11-12 02:15:43,605 INFO L899 garLoopResultBuilder]: For program point L3281-2(line 3281) no Hoare annotation was computed. [2023-11-12 02:15:43,606 INFO L899 garLoopResultBuilder]: For program point L3279-3(lines 3279 3281) no Hoare annotation was computed. [2023-11-12 02:15:43,606 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validEXIT(lines 3259 3286) no Hoare annotation was computed. [2023-11-12 02:15:43,606 INFO L899 garLoopResultBuilder]: For program point L3279-2(lines 3279 3280) no Hoare annotation was computed. [2023-11-12 02:15:43,606 INFO L899 garLoopResultBuilder]: For program point L3279-5(lines 3279 3281) no Hoare annotation was computed. [2023-11-12 02:15:43,606 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)) [2023-11-12 02:15:43,606 INFO L899 garLoopResultBuilder]: For program point L3263(lines 3263 3267) no Hoare annotation was computed. [2023-11-12 02:15:43,606 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)) [2023-11-12 02:15:43,607 INFO L899 garLoopResultBuilder]: For program point L3272-1(line 3272) no Hoare annotation was computed. [2023-11-12 02:15:43,607 INFO L899 garLoopResultBuilder]: For program point aws_array_list_is_validFINAL(lines 3259 3286) no Hoare annotation was computed. [2023-11-12 02:15:43,607 INFO L899 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2023-11-12 02:15:43,607 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 02:15:43,607 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 02:15:43,607 INFO L899 garLoopResultBuilder]: For program point assert_byte_from_buffer_matchesEXIT(lines 7174 7178) no Hoare annotation was computed. [2023-11-12 02:15:43,607 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7174 7178) the Hoare annotation is: true [2023-11-12 02:15:43,608 INFO L899 garLoopResultBuilder]: For program point L7175(lines 7175 7177) no Hoare annotation was computed. [2023-11-12 02:15:43,608 INFO L899 garLoopResultBuilder]: For program point L7176-1(line 7176) no Hoare annotation was computed. [2023-11-12 02:15:43,608 INFO L902 garLoopResultBuilder]: At program point L7176(line 7176) the Hoare annotation is: true [2023-11-12 02:15:43,608 INFO L899 garLoopResultBuilder]: For program point L7175-2(lines 7174 7178) no Hoare annotation was computed. [2023-11-12 02:15:43,608 INFO L895 garLoopResultBuilder]: At program point L2496(line 2496) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |old(#memory_real)| |#memory_real|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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)) [2023-11-12 02:15:43,608 INFO L899 garLoopResultBuilder]: For program point L2497-1(line 2497) no Hoare annotation was computed. [2023-11-12 02:15:43,608 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedEXIT(lines 2584 2592) no Hoare annotation was computed. [2023-11-12 02:15:43,608 INFO L902 garLoopResultBuilder]: At program point L2497(line 2497) the Hoare annotation is: true [2023-11-12 02:15:43,609 INFO L899 garLoopResultBuilder]: For program point L2496-1(lines 2496 2497) no Hoare annotation was computed. [2023-11-12 02:15:43,609 INFO L899 garLoopResultBuilder]: For program point aws_mul_size_checkedFINAL(lines 2584 2592) no Hoare annotation was computed. [2023-11-12 02:15:43,609 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)) [2023-11-12 02:15:43,609 INFO L899 garLoopResultBuilder]: For program point aws_mul_u64_checked_returnLabel#1(lines 2495 2500) no Hoare annotation was computed. [2023-11-12 02:15:43,609 INFO L902 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: true [2023-11-12 02:15:43,609 INFO L902 garLoopResultBuilder]: At program point L7381-3(lines 7381 7382) the Hoare annotation is: true [2023-11-12 02:15:43,609 INFO L899 garLoopResultBuilder]: For program point memcpy_implFINAL(lines 7373 7385) no Hoare annotation was computed. [2023-11-12 02:15:43,610 INFO L899 garLoopResultBuilder]: For program point L7379(line 7379) no Hoare annotation was computed. [2023-11-12 02:15:43,610 INFO L899 garLoopResultBuilder]: For program point L7381-2(lines 7381 7382) no Hoare annotation was computed. [2023-11-12 02:15:43,610 INFO L902 garLoopResultBuilder]: At program point L7374(line 7374) the Hoare annotation is: true [2023-11-12 02:15:43,610 INFO L899 garLoopResultBuilder]: For program point memcpy_implEXIT(lines 7373 7385) no Hoare annotation was computed. [2023-11-12 02:15:43,610 INFO L899 garLoopResultBuilder]: For program point L7381-4(lines 7381 7382) no Hoare annotation was computed. [2023-11-12 02:15:43,610 INFO L902 garLoopResultBuilder]: At program point L7374-1(line 7374) the Hoare annotation is: true [2023-11-12 02:15:43,610 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7373 7385) the Hoare annotation is: true [2023-11-12 02:15:43,611 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthEXIT(lines 3487 3498) no Hoare annotation was computed. [2023-11-12 02:15:43,611 INFO L899 garLoopResultBuilder]: For program point aws_array_list_lengthFINAL(lines 3487 3498) no Hoare annotation was computed. [2023-11-12 02:15:43,611 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3487 3498) the Hoare annotation is: true [2023-11-12 02:15:43,611 INFO L902 garLoopResultBuilder]: At program point L3496(line 3496) the Hoare annotation is: true [2023-11-12 02:15:43,611 INFO L902 garLoopResultBuilder]: At program point L3494(line 3494) the Hoare annotation is: true [2023-11-12 02:15:43,611 INFO L899 garLoopResultBuilder]: For program point L3496-2(line 3496) no Hoare annotation was computed. [2023-11-12 02:15:43,611 INFO L902 garLoopResultBuilder]: At program point L3496-1(line 3496) the Hoare annotation is: true [2023-11-12 02:15:43,611 INFO L899 garLoopResultBuilder]: For program point L3494-2(line 3494) no Hoare annotation was computed. [2023-11-12 02:15:43,611 INFO L899 garLoopResultBuilder]: For program point L3493(line 3493) no Hoare annotation was computed. [2023-11-12 02:15:43,612 INFO L902 garLoopResultBuilder]: At program point L3494-1(line 3494) the Hoare annotation is: true [2023-11-12 02:15:43,612 INFO L899 garLoopResultBuilder]: For program point L3493-3(line 3493) no Hoare annotation was computed. [2023-11-12 02:15:43,612 INFO L902 garLoopResultBuilder]: At program point L3493-2(line 3493) the Hoare annotation is: true [2023-11-12 02:15:43,614 INFO L902 garLoopResultBuilder]: At program point L2798(line 2798) the Hoare annotation is: true [2023-11-12 02:15:43,614 INFO L902 garLoopResultBuilder]: At program point L2796(line 2796) the Hoare annotation is: true [2023-11-12 02:15:43,615 INFO L899 garLoopResultBuilder]: For program point L2798-1(line 2798) no Hoare annotation was computed. [2023-11-12 02:15:43,615 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2798) no Hoare annotation was computed. [2023-11-12 02:15:43,615 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2795 2799) the Hoare annotation is: true [2023-11-12 02:15:43,615 INFO L899 garLoopResultBuilder]: For program point L2796-3(lines 2796 2798) no Hoare annotation was computed. [2023-11-12 02:15:43,615 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocFINAL(lines 2795 2799) no Hoare annotation was computed. [2023-11-12 02:15:43,615 INFO L899 garLoopResultBuilder]: For program point can_fail_mallocEXIT(lines 2795 2799) no Hoare annotation was computed. [2023-11-12 02:15:43,616 INFO L899 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:15:43,616 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 02:15:43,616 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-11-12 02:15:43,616 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 02:15:43,617 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)) [2023-11-12 02:15:43,617 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorFINAL(lines 1988 1999) no Hoare annotation was computed. [2023-11-12 02:15:43,617 INFO L899 garLoopResultBuilder]: For program point L7363(lines 7363 7365) no Hoare annotation was computed. [2023-11-12 02:15:43,617 INFO L899 garLoopResultBuilder]: For program point aws_raise_errorEXIT(lines 1988 1999) no Hoare annotation was computed. [2023-11-12 02:15:43,617 INFO L899 garLoopResultBuilder]: For program point my_memcpyFINAL(lines 7387 7389) no Hoare annotation was computed. [2023-11-12 02:15:43,617 INFO L899 garLoopResultBuilder]: For program point L7388-1(line 7388) no Hoare annotation was computed. [2023-11-12 02:15:43,618 INFO L902 garLoopResultBuilder]: At program point L7388(line 7388) the Hoare annotation is: true [2023-11-12 02:15:43,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7387 7389) the Hoare annotation is: true [2023-11-12 02:15:43,618 INFO L899 garLoopResultBuilder]: For program point my_memcpyEXIT(lines 7387 7389) no Hoare annotation was computed. [2023-11-12 02:15:43,618 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 2785 2787) no Hoare annotation was computed. [2023-11-12 02:15:43,618 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 2785 2787) the Hoare annotation is: true [2023-11-12 02:15:43,619 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 2785 2787) no Hoare annotation was computed. [2023-11-12 02:15:43,619 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multEXIT(lines 253 256) no Hoare annotation was computed. [2023-11-12 02:15:43,619 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)) [2023-11-12 02:15:43,619 INFO L899 garLoopResultBuilder]: For program point __CPROVER_overflow_multFINAL(lines 253 256) no Hoare annotation was computed. [2023-11-12 02:15:43,620 INFO L899 garLoopResultBuilder]: For program point L3330-2(line 3330) no Hoare annotation was computed. [2023-11-12 02:15:43,620 INFO L895 garLoopResultBuilder]: At program point L3330-1(line 3330) the Hoare annotation is: false [2023-11-12 02:15:43,620 INFO L899 garLoopResultBuilder]: For program point L7996-1(line 7996) no Hoare annotation was computed. [2023-11-12 02:15:43,620 INFO L895 garLoopResultBuilder]: At program point L7996(line 7996) the Hoare annotation is: false [2023-11-12 02:15:43,620 INFO L899 garLoopResultBuilder]: For program point L7980-1(line 7980) no Hoare annotation was computed. [2023-11-12 02:15:43,621 INFO L895 garLoopResultBuilder]: At program point L7980(line 7980) the Hoare annotation is: false [2023-11-12 02:15:43,621 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(line 8004) no Hoare annotation was computed. [2023-11-12 02:15:43,621 INFO L899 garLoopResultBuilder]: For program point L3331(line 3331) no Hoare annotation was computed. [2023-11-12 02:15:43,621 INFO L899 garLoopResultBuilder]: For program point L3331-3(line 3331) no Hoare annotation was computed. [2023-11-12 02:15:43,621 INFO L895 garLoopResultBuilder]: At program point L3331-2(line 3331) the Hoare annotation is: false [2023-11-12 02:15:43,622 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:15:43,622 INFO L899 garLoopResultBuilder]: For program point L7196-1(line 7196) no Hoare annotation was computed. [2023-11-12 02:15:43,622 INFO L899 garLoopResultBuilder]: For program point L7997-1(line 7997) no Hoare annotation was computed. [2023-11-12 02:15:43,622 INFO L895 garLoopResultBuilder]: At program point L7196(line 7196) the Hoare annotation is: false [2023-11-12 02:15:43,622 INFO L895 garLoopResultBuilder]: At program point L7997(line 7997) the Hoare annotation is: false [2023-11-12 02:15:43,623 INFO L899 garLoopResultBuilder]: For program point L7989-2(line 7989) no Hoare annotation was computed. [2023-11-12 02:15:43,623 INFO L895 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: false [2023-11-12 02:15:43,623 INFO L899 garLoopResultBuilder]: For program point L7188(lines 7188 7205) no Hoare annotation was computed. [2023-11-12 02:15:43,623 INFO L895 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: false [2023-11-12 02:15:43,623 INFO L899 garLoopResultBuilder]: For program point L7981-1(line 7981) no Hoare annotation was computed. [2023-11-12 02:15:43,624 INFO L899 garLoopResultBuilder]: For program point L7180(lines 7180 7186) no Hoare annotation was computed. [2023-11-12 02:15:43,624 INFO L895 garLoopResultBuilder]: At program point L7981(line 7981) the Hoare annotation is: false [2023-11-12 02:15:43,624 INFO L899 garLoopResultBuilder]: For program point nondet_size_t_returnLabel#1(line 263) no Hoare annotation was computed. [2023-11-12 02:15:43,624 INFO L899 garLoopResultBuilder]: For program point L7990(line 7990) no Hoare annotation was computed. [2023-11-12 02:15:43,624 INFO L899 garLoopResultBuilder]: For program point L7990-3(line 7990) no Hoare annotation was computed. [2023-11-12 02:15:43,624 INFO L895 garLoopResultBuilder]: At program point L7990-2(line 7990) the Hoare annotation is: false [2023-11-12 02:15:43,625 INFO L895 garLoopResultBuilder]: At program point L3341-1(line 3341) the Hoare annotation is: false [2023-11-12 02:15:43,625 INFO L895 garLoopResultBuilder]: At program point L3341(line 3341) the Hoare annotation is: false [2023-11-12 02:15:43,625 INFO L899 garLoopResultBuilder]: For program point L7181(lines 7181 7185) no Hoare annotation was computed. [2023-11-12 02:15:43,625 INFO L899 garLoopResultBuilder]: For program point L3341-2(line 3341) no Hoare annotation was computed. [2023-11-12 02:15:43,625 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:15:43,626 INFO L899 garLoopResultBuilder]: For program point aws_array_list_front_returnLabel#1(lines 3328 3343) no Hoare annotation was computed. [2023-11-12 02:15:43,626 INFO L895 garLoopResultBuilder]: At program point L7198(line 7198) the Hoare annotation is: false [2023-11-12 02:15:43,626 INFO L899 garLoopResultBuilder]: For program point L7198-1(line 7198) no Hoare annotation was computed. [2023-11-12 02:15:43,626 INFO L895 garLoopResultBuilder]: At program point L3342(line 3342) the Hoare annotation is: false [2023-11-12 02:15:43,626 INFO L899 garLoopResultBuilder]: For program point L3342-1(line 3342) no Hoare annotation was computed. [2023-11-12 02:15:43,627 INFO L895 garLoopResultBuilder]: At program point L3334(line 3334) the Hoare annotation is: false [2023-11-12 02:15:43,627 INFO L899 garLoopResultBuilder]: For program point L3334-1(lines 3334 3339) no Hoare annotation was computed. [2023-11-12 02:15:43,627 INFO L899 garLoopResultBuilder]: For program point L7199-1(line 7199) no Hoare annotation was computed. [2023-11-12 02:15:43,627 INFO L895 garLoopResultBuilder]: At program point L7199(line 7199) the Hoare annotation is: false [2023-11-12 02:15:43,627 INFO L899 garLoopResultBuilder]: For program point L7183-1(line 7183) no Hoare annotation was computed. [2023-11-12 02:15:43,628 INFO L895 garLoopResultBuilder]: At program point L7183(line 7183) the Hoare annotation is: false [2023-11-12 02:15:43,628 INFO L899 garLoopResultBuilder]: For program point L7976-2(line 7976) no Hoare annotation was computed. [2023-11-12 02:15:43,628 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|)) [2023-11-12 02:15:43,628 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|)) [2023-11-12 02:15:43,628 INFO L899 garLoopResultBuilder]: For program point L3335-1(line 3335) no Hoare annotation was computed. [2023-11-12 02:15:43,629 INFO L895 garLoopResultBuilder]: At program point L3335(line 3335) the Hoare annotation is: false [2023-11-12 02:15:43,629 INFO L899 garLoopResultBuilder]: For program point L7200-1(line 7200) no Hoare annotation was computed. [2023-11-12 02:15:43,629 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:15:43,629 INFO L899 garLoopResultBuilder]: For program point L8001-1(line 8001) no Hoare annotation was computed. [2023-11-12 02:15:43,629 INFO L895 garLoopResultBuilder]: At program point L7200(line 7200) the Hoare annotation is: false [2023-11-12 02:15:43,630 INFO L895 garLoopResultBuilder]: At program point L8001(line 8001) the Hoare annotation is: false [2023-11-12 02:15:43,630 INFO L895 garLoopResultBuilder]: At program point L7993-2(lines 7993 7998) the Hoare annotation is: false [2023-11-12 02:15:43,630 INFO L899 garLoopResultBuilder]: For program point L7993(lines 7993 7998) no Hoare annotation was computed. [2023-11-12 02:15:43,630 INFO L895 garLoopResultBuilder]: At program point L3336(line 3336) the Hoare annotation is: false [2023-11-12 02:15:43,630 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|)) [2023-11-12 02:15:43,631 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|)) [2023-11-12 02:15:43,631 INFO L899 garLoopResultBuilder]: For program point L3336-1(line 3336) no Hoare annotation was computed. [2023-11-12 02:15:43,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:15:43,631 INFO L899 garLoopResultBuilder]: For program point L7201-1(line 7201) no Hoare annotation was computed. [2023-11-12 02:15:43,631 INFO L895 garLoopResultBuilder]: At program point L7201(line 7201) the Hoare annotation is: false [2023-11-12 02:15:43,632 INFO L899 garLoopResultBuilder]: For program point L7193(lines 7193 7197) no Hoare annotation was computed. [2023-11-12 02:15:43,632 INFO L895 garLoopResultBuilder]: At program point L7978(line 7978) the Hoare annotation is: (= |ULTIMATE.start_aws_array_list_front_harness_#t~ret802#1| 0) [2023-11-12 02:15:43,632 INFO L895 garLoopResultBuilder]: At program point L3337-1(line 3337) the Hoare annotation is: false [2023-11-12 02:15:43,632 INFO L895 garLoopResultBuilder]: At program point L3337(line 3337) the Hoare annotation is: false [2023-11-12 02:15:43,632 INFO L899 garLoopResultBuilder]: For program point L7978-1(line 7978) no Hoare annotation was computed. [2023-11-12 02:15:43,632 INFO L899 garLoopResultBuilder]: For program point L3337-2(line 3337) no Hoare annotation was computed. [2023-11-12 02:15:43,633 INFO L899 garLoopResultBuilder]: For program point L7202(lines 7202 7204) no Hoare annotation was computed. [2023-11-12 02:15:43,633 INFO L899 garLoopResultBuilder]: For program point L7995-1(line 7995) no Hoare annotation was computed. [2023-11-12 02:15:43,633 INFO L895 garLoopResultBuilder]: At program point L7995(line 7995) the Hoare annotation is: false [2023-11-12 02:15:43,633 INFO L899 garLoopResultBuilder]: For program point L7203-1(line 7203) no Hoare annotation was computed. [2023-11-12 02:15:43,633 INFO L895 garLoopResultBuilder]: At program point L7203(line 7203) the Hoare annotation is: false [2023-11-12 02:15:43,634 INFO L899 garLoopResultBuilder]: For program point L7971(lines 7971 8003) no Hoare annotation was computed. [2023-11-12 02:15:43,634 INFO L895 garLoopResultBuilder]: At program point L3330(line 3330) the Hoare annotation is: false [2023-11-12 02:15:43,634 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 02:15:43,634 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 02:15:43,635 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:15:43,635 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 02:15:43,635 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 02:15:43,635 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 02:15:43,639 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-12 02:15:43,641 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:15:43,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:15:43 BoogieIcfgContainer [2023-11-12 02:15:43,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:15:43,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:15:43,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:15:43,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:15:43,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:31" (3/4) ... [2023-11-12 02:15:43,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:15:43,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2023-11-12 02:15:43,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 02:15:43,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2023-11-12 02:15:43,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2023-11-12 02:15:43,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2023-11-12 02:15:43,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 02:15:43,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2023-11-12 02:15:43,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2023-11-12 02:15:43,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2023-11-12 02:15:43,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2023-11-12 02:15:43,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 02:15:43,700 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2023-11-12 02:15:43,703 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2023-11-12 02:15:43,705 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 02:15:43,708 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-12 02:15:43,710 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:15:43,712 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:15:43,714 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:15:43,716 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:15:44,680 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:15:44,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:15:44,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:15:44,683 INFO L158 Benchmark]: Toolchain (without parser) took 18032.56ms. Allocated memory was 167.8MB in the beginning and 369.1MB in the end (delta: 201.3MB). Free memory was 124.8MB in the beginning and 202.6MB in the end (delta: -77.8MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,684 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:15:44,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2764.41ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 142.4MB in the end (delta: -17.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.81ms. Allocated memory is still 201.3MB. Free memory was 142.4MB in the beginning and 134.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,685 INFO L158 Benchmark]: Boogie Preprocessor took 160.06ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 126.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,686 INFO L158 Benchmark]: RCFGBuilder took 1722.81ms. Allocated memory is still 201.3MB. Free memory was 126.6MB in the beginning and 87.1MB in the end (delta: 39.5MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,686 INFO L158 Benchmark]: TraceAbstraction took 12193.85ms. Allocated memory was 201.3MB in the beginning and 306.2MB in the end (delta: 104.9MB). Free memory was 87.1MB in the beginning and 86.9MB in the end (delta: 185.6kB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,687 INFO L158 Benchmark]: Witness Printer took 1026.53ms. Allocated memory was 306.2MB in the beginning and 369.1MB in the end (delta: 62.9MB). Free memory was 86.9MB in the beginning and 202.6MB in the end (delta: -115.7MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-12 02:15:44,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2764.41ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 142.4MB in the end (delta: -17.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.81ms. Allocated memory is still 201.3MB. Free memory was 142.4MB in the beginning and 134.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.06ms. Allocated memory is still 201.3MB. Free memory was 134.0MB in the beginning and 126.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1722.81ms. Allocated memory is still 201.3MB. Free memory was 126.6MB in the beginning and 87.1MB in the end (delta: 39.5MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12193.85ms. Allocated memory was 201.3MB in the beginning and 306.2MB in the end (delta: 104.9MB). Free memory was 87.1MB in the beginning and 86.9MB in the end (delta: 185.6kB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. * Witness Printer took 1026.53ms. Allocated memory was 306.2MB in the beginning and 369.1MB in the end (delta: 62.9MB). Free memory was 86.9MB in the beginning and 202.6MB in the end (delta: -115.7MB). Peak memory consumption was 46.8MB. 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: 12.1s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 519 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 446 mSDsluCounter, 3670 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2881 mSDsCounter, 405 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2189 IncrementalHoareTripleChecker+Invalid, 2594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 405 mSolverCounterUnsat, 789 mSDtfsCounter, 2189 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 147 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 395 PreInvPairs, 401 NumberOfFragments, 306 HoareAnnotationTreeSize, 395 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 71 FomulaSimplificationsInter, 79 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.6s 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: 7381]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-12 02:15:44,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c74857-f79c-491f-a96c-a2925c65de56/bin/uautomizer-verify-uTZkv6EMXl/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