./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.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_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e2fe4853cb1b3e71bc40ffc508ef15031942a963e69ef7c7092b9454f87d180b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:55:49,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:55:49,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:55:49,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:55:49,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:55:49,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:55:49,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:55:49,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:55:49,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:55:49,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:55:49,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:55:49,868 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:55:49,869 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:55:49,870 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:55:49,871 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:55:49,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:55:49,872 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:55:49,872 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:55:49,873 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:55:49,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:55:49,874 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:55:49,875 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:55:49,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:55:49,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:55:49,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:55:49,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:55:49,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:55:49,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:55:49,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:55:49,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:55:49,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:55:49,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:55:49,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:55:49,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:49,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:55:49,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:55:49,883 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:55:49,883 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:55:49,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:55:49,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:55:49,884 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:55:49,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:55:49,885 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2fe4853cb1b3e71bc40ffc508ef15031942a963e69ef7c7092b9454f87d180b [2023-11-12 00:55:50,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:55:50,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:55:50,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:55:50,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:55:50,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:55:50,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i [2023-11-12 00:55:53,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:55:53,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:55:53,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i [2023-11-12 00:55:53,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/data/a4c3ee6a6/b40a89e303da4184ac53b51c2d01e424/FLAG7860ca3fa [2023-11-12 00:55:53,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/data/a4c3ee6a6/b40a89e303da4184ac53b51c2d01e424 [2023-11-12 00:55:53,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:55:53,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:55:53,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:53,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:55:53,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:55:53,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:53" (1/1) ... [2023-11-12 00:55:53,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4437899e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:53, skipping insertion in model container [2023-11-12 00:55:53,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:55:53" (1/1) ... [2023-11-12 00:55:54,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:54,440 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_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4487,4500] [2023-11-12 00:55:54,449 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_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4547,4560] [2023-11-12 00:55:55,492 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,493 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,494 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,495 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,497 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,514 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,515 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,518 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:55,519 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,088 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:55:56,089 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:55:56,095 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:55:56,096 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:55:56,100 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:55:56,103 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:55:56,104 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:55:56,106 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:55:56,108 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:55:56,111 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:55:56,493 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,494 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:56,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:56,637 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_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4487,4500] [2023-11-12 00:55:56,638 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_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/sv-benchmarks/c/aws-c-common/aws_string_eq_harness_negated.i[4547,4560] [2023-11-12 00:55:56,675 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,676 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,677 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,677 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,678 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,688 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,689 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,690 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,691 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,725 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-12 00:55:56,726 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-12 00:55:56,727 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-12 00:55:56,728 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-12 00:55:56,729 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-12 00:55:56,730 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-12 00:55:56,730 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-12 00:55:56,731 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-12 00:55:56,731 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-12 00:55:56,732 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-12 00:55:56,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] [2023-11-12 00:55:56,945 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,947 WARN L1577 CHandler]: Possible shadowing of function index [2023-11-12 00:55:56,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:57,248 WARN L672 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,248 WARN L672 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,248 WARN L672 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,249 WARN L672 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,249 WARN L672 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,249 WARN L672 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,249 WARN L672 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,251 WARN L672 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,251 WARN L672 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,251 WARN L672 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,251 WARN L672 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,252 WARN L672 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,253 WARN L672 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,253 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,253 WARN L672 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,253 WARN L672 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,254 WARN L672 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:57,262 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:57,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57 WrapperNode [2023-11-12 00:55:57,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:57,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:57,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:57,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:57,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,435 INFO L138 Inliner]: procedures = 680, calls = 2275, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 384 [2023-11-12 00:55:57,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:57,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:57,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:57,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:57,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:57,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:57,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:57,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:57,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (1/1) ... [2023-11-12 00:55:57,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:57,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:57,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-12 00:55:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-12 00:55:57,598 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:55:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:55:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:55:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-12 00:55:57,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-12 00:55:57,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:55:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 00:55:57,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 00:55:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:55:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:57,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:55:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:57,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-12 00:55:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-12 00:55:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:55:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:55:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2023-11-12 00:55:57,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2023-11-12 00:55:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:55:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-12 00:55:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-12 00:55:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-12 00:55:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-12 00:55:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:55:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:55:57,919 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:57,922 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:58,349 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:58,535 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:58,536 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:55:58,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:58 BoogieIcfgContainer [2023-11-12 00:55:58,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:58,543 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:58,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:58,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:58,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:55:53" (1/3) ... [2023-11-12 00:55:58,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736952e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:58, skipping insertion in model container [2023-11-12 00:55:58,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:57" (2/3) ... [2023-11-12 00:55:58,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736952e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:58, skipping insertion in model container [2023-11-12 00:55:58,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:58" (3/3) ... [2023-11-12 00:55:58,552 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_harness_negated.i [2023-11-12 00:55:58,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:58,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:55:58,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:58,640 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e6724cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:58,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:55:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 48 states have internal predecessors, (58), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:55:58,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:55:58,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:58,656 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:55:58,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:58,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:58,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2105512625, now seen corresponding path program 1 times [2023-11-12 00:55:58,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:58,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431233710] [2023-11-12 00:55:58,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:58,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:55:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:55:59,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:55:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431233710] [2023-11-12 00:55:59,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431233710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:59,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:59,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:55:59,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585455386] [2023-11-12 00:55:59,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:59,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:55:59,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:55:59,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:55:59,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:55:59,555 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 48 states have internal predecessors, (58), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 00:55:59,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:55:59,756 INFO L93 Difference]: Finished difference Result 138 states and 188 transitions. [2023-11-12 00:55:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:55:59,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-11-12 00:55:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:55:59,771 INFO L225 Difference]: With dead ends: 138 [2023-11-12 00:55:59,772 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 00:55:59,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:55:59,786 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 11 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:55:59,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 281 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:55:59,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 00:55:59,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 00:55:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 46 states have internal predecessors, (53), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:55:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 104 transitions. [2023-11-12 00:55:59,870 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 104 transitions. Word has length 28 [2023-11-12 00:55:59,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:55:59,873 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 104 transitions. [2023-11-12 00:55:59,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-12 00:55:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 104 transitions. [2023-11-12 00:55:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-12 00:55:59,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:59,882 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:55:59,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:55:59,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:55:59,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:59,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1528375809, now seen corresponding path program 1 times [2023-11-12 00:55:59,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:59,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106048587] [2023-11-12 00:55:59,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:56:00,729 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:00,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106048587] [2023-11-12 00:56:00,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106048587] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:00,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:00,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-12 00:56:00,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081436228] [2023-11-12 00:56:00,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:00,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 00:56:00,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:00,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 00:56:00,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-11-12 00:56:00,734 INFO L87 Difference]: Start difference. First operand 81 states and 104 transitions. Second operand has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-12 00:56:00,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:00,960 INFO L93 Difference]: Finished difference Result 127 states and 163 transitions. [2023-11-12 00:56:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 00:56:00,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) Word has length 53 [2023-11-12 00:56:00,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:00,963 INFO L225 Difference]: With dead ends: 127 [2023-11-12 00:56:00,963 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 00:56:00,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-12 00:56:00,966 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 29 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:00,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 725 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:56:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 00:56:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-12 00:56:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 46 states have internal predecessors, (52), 26 states have call successors, (26), 9 states have call predecessors, (26), 9 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 00:56:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2023-11-12 00:56:00,981 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 53 [2023-11-12 00:56:00,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:00,982 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2023-11-12 00:56:00,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-12 00:56:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2023-11-12 00:56:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 00:56:00,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:00,985 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:56:00,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:56:00,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:00,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:00,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1568254445, now seen corresponding path program 1 times [2023-11-12 00:56:00,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:00,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941517191] [2023-11-12 00:56:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:00,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:02,047 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-12 00:56:02,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:02,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941517191] [2023-11-12 00:56:02,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941517191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:02,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:56:02,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-12 00:56:02,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618574470] [2023-11-12 00:56:02,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:02,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 00:56:02,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:02,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 00:56:02,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-12 00:56:02,050 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand has 13 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-12 00:56:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:02,430 INFO L93 Difference]: Finished difference Result 138 states and 178 transitions. [2023-11-12 00:56:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 00:56:02,431 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) Word has length 57 [2023-11-12 00:56:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:02,433 INFO L225 Difference]: With dead ends: 138 [2023-11-12 00:56:02,433 INFO L226 Difference]: Without dead ends: 97 [2023-11-12 00:56:02,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:56:02,436 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 51 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:02,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 900 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 00:56:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-12 00:56:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2023-11-12 00:56:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 50 states have (on average 1.14) internal successors, (57), 51 states have internal predecessors, (57), 28 states have call successors, (28), 9 states have call predecessors, (28), 9 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-12 00:56:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2023-11-12 00:56:02,466 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 57 [2023-11-12 00:56:02,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:02,467 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2023-11-12 00:56:02,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 5 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2023-11-12 00:56:02,468 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-12 00:56:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-12 00:56:02,474 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:56:02,474 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:56:02,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:56:02,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:56:02,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:56:02,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1411641213, now seen corresponding path program 1 times [2023-11-12 00:56:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:56:02,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659036042] [2023-11-12 00:56:02,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:02,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:56:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-12 00:56:04,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:56:04,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659036042] [2023-11-12 00:56:04,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659036042] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 00:56:04,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174771679] [2023-11-12 00:56:04,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:56:04,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:56:04,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:56:04,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:56:04,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:56:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:56:04,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-12 00:56:04,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:56:05,281 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 47 [2023-11-12 00:56:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:56:05,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 00:56:05,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 78 [2023-11-12 00:56:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-12 00:56:05,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:56:05,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174771679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:56:05,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 00:56:05,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 18 [2023-11-12 00:56:05,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419271091] [2023-11-12 00:56:05,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:56:05,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-12 00:56:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:56:05,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-12 00:56:05,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-11-12 00:56:05,641 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand has 12 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12) [2023-11-12 00:56:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:56:06,175 INFO L93 Difference]: Finished difference Result 113 states and 138 transitions. [2023-11-12 00:56:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 00:56:06,176 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12) Word has length 61 [2023-11-12 00:56:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:56:06,177 INFO L225 Difference]: With dead ends: 113 [2023-11-12 00:56:06,177 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:56:06,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-11-12 00:56:06,179 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:56:06,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 118 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:56:06,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:56:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:56:06,181 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 00:56:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:56:06,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2023-11-12 00:56:06,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:56:06,181 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:56:06,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 4.571428571428571) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (13), 2 states have call predecessors, (13), 5 states have return successors, (12), 7 states have call predecessors, (12), 6 states have call successors, (12) [2023-11-12 00:56:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:56:06,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:56:06,184 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:56:06,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:56:06,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:56:06,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:56:06,526 INFO L899 garLoopResultBuilder]: For program point ensure_string_is_allocated_bounded_lengthEXIT(lines 6789 6793) no Hoare annotation was computed. [2023-11-12 00:56:06,526 INFO L899 garLoopResultBuilder]: For program point L6799-1(lines 6799 6800) no Hoare annotation was computed. [2023-11-12 00:56:06,527 INFO L895 garLoopResultBuilder]: At program point L6799(line 6799) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (<= 0 (+ (div (+ (- 18410715276689353099) (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) 18446744073709551616) (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:56:06,527 INFO L899 garLoopResultBuilder]: For program point L6799-5(lines 6799 6800) no Hoare annotation was computed. [2023-11-12 00:56:06,527 INFO L899 garLoopResultBuilder]: For program point L6796-1(line 6796) no Hoare annotation was computed. [2023-11-12 00:56:06,527 INFO L895 garLoopResultBuilder]: At program point L6796(line 6796) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:56:06,527 INFO L899 garLoopResultBuilder]: For program point L6799-3(line 6799) no Hoare annotation was computed. [2023-11-12 00:56:06,527 INFO L895 garLoopResultBuilder]: At program point L6799-2(line 6799) the Hoare annotation is: (let ((.cse0 (mod |ensure_string_is_allocated_bounded_length_#in~max_size#1| 18446744073709551616))) (and (<= 0 (+ (div (+ (- 18410715276689353099) (* (- 1) |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|)) 18446744073709551616) (div (+ 18446744073708317066 |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1|) 18446744073709551616))) (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) (not (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.base| 0)) (= |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~str~0#1.offset| 0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_~len~1#1| 18446744073709551616) 1) .cse0) (<= (+ (mod |ensure_string_is_allocated_bounded_length_ensure_string_is_allocated_~len#1| 18446744073709551616) 1) .cse0))) [2023-11-12 00:56:06,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6789 6793) the Hoare annotation is: true [2023-11-12 00:56:06,528 INFO L895 garLoopResultBuilder]: At program point L6790(line 6790) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-11-12 00:56:06,528 INFO L899 garLoopResultBuilder]: For program point L6791-1(line 6791) no Hoare annotation was computed. [2023-11-12 00:56:06,528 INFO L895 garLoopResultBuilder]: At program point L6791(line 6791) the Hoare annotation is: (= |ensure_string_is_allocated_bounded_length_#in~max_size#1| |ensure_string_is_allocated_bounded_length_~max_size#1|) [2023-11-12 00:56:06,528 INFO L899 garLoopResultBuilder]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2023-11-12 00:56:06,528 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6871 6876) the Hoare annotation is: true [2023-11-12 00:56:06,528 INFO L899 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6871 6876) no Hoare annotation was computed. [2023-11-12 00:56:06,528 INFO L899 garLoopResultBuilder]: For program point L6872-1(lines 6872 6874) no Hoare annotation was computed. [2023-11-12 00:56:06,528 INFO L895 garLoopResultBuilder]: At program point L6872(lines 6872 6874) the Hoare annotation is: (= |bounded_malloc_#in~size| bounded_malloc_~size) [2023-11-12 00:56:06,528 INFO L899 garLoopResultBuilder]: For program point aws_array_eqEXIT(lines 7987 8007) no Hoare annotation was computed. [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7987 8007) the Hoare annotation is: true [2023-11-12 00:56:06,529 INFO L899 garLoopResultBuilder]: For program point L7991(lines 7988 8007) no Hoare annotation was computed. [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point L7989-1(line 7989) the Hoare annotation is: true [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point L7989(line 7989) the Hoare annotation is: true [2023-11-12 00:56:06,529 INFO L899 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 261) the Hoare annotation is: true [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 210 212) the Hoare annotation is: true [2023-11-12 00:56:06,529 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2023-11-12 00:56:06,529 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6878 6880) the Hoare annotation is: true [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6878 6880) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6241 6246) the Hoare annotation is: true [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point aws_string_is_validEXIT(lines 6241 6246) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 266) the Hoare annotation is: true [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point L7389(lines 7389 7397) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point L8884(lines 8884 8889) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L899 garLoopResultBuilder]: For program point L7096-1(lines 7096 7098) no Hoare annotation was computed. [2023-11-12 00:56:06,530 INFO L895 garLoopResultBuilder]: At program point L7096(lines 7096 7098) the Hoare annotation is: false [2023-11-12 00:56:06,530 INFO L895 garLoopResultBuilder]: At program point L8888(line 8888) the Hoare annotation is: false [2023-11-12 00:56:06,531 INFO L895 garLoopResultBuilder]: At program point L8888-1(line 8888) the Hoare annotation is: false [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L8888-2(line 8888) no Hoare annotation was computed. [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L8880-3(line 8880) no Hoare annotation was computed. [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L8880-5(lines 8880 8881) no Hoare annotation was computed. [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L7088(lines 7088 7101) no Hoare annotation was computed. [2023-11-12 00:56:06,531 INFO L902 garLoopResultBuilder]: At program point L8880(line 8880) the Hoare annotation is: true [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L8880-1(lines 8880 8881) no Hoare annotation was computed. [2023-11-12 00:56:06,531 INFO L902 garLoopResultBuilder]: At program point L8880-2(line 8880) the Hoare annotation is: true [2023-11-12 00:56:06,531 INFO L895 garLoopResultBuilder]: At program point L7398(line 7398) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,531 INFO L899 garLoopResultBuilder]: For program point L7398-1(line 7398) no Hoare annotation was computed. [2023-11-12 00:56:06,532 INFO L899 garLoopResultBuilder]: For program point L7382(line 7382) no Hoare annotation was computed. [2023-11-12 00:56:06,532 INFO L895 garLoopResultBuilder]: At program point L8885(line 8885) the Hoare annotation is: false [2023-11-12 00:56:06,535 INFO L899 garLoopResultBuilder]: For program point L8885-1(line 8885) no Hoare annotation was computed. [2023-11-12 00:56:06,535 INFO L895 garLoopResultBuilder]: At program point L7382-4(line 7382) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,536 INFO L899 garLoopResultBuilder]: For program point L7382-3(line 7382) no Hoare annotation was computed. [2023-11-12 00:56:06,536 INFO L895 garLoopResultBuilder]: At program point L7382-2(line 7382) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,536 INFO L899 garLoopResultBuilder]: For program point L7089-1(lines 7088 7101) no Hoare annotation was computed. [2023-11-12 00:56:06,536 INFO L899 garLoopResultBuilder]: For program point L7382-5(line 7382) no Hoare annotation was computed. [2023-11-12 00:56:06,536 INFO L895 garLoopResultBuilder]: At program point L7089(line 7089) the Hoare annotation is: false [2023-11-12 00:56:06,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:56:06,537 INFO L899 garLoopResultBuilder]: For program point L7383(line 7383) no Hoare annotation was computed. [2023-11-12 00:56:06,537 INFO L899 garLoopResultBuilder]: For program point L7383-5(line 7383) no Hoare annotation was computed. [2023-11-12 00:56:06,537 INFO L895 garLoopResultBuilder]: At program point L7383-4(line 7383) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,537 INFO L899 garLoopResultBuilder]: For program point L7383-3(line 7383) no Hoare annotation was computed. [2023-11-12 00:56:06,537 INFO L895 garLoopResultBuilder]: At program point L7383-2(line 7383) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,537 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:56:06,538 INFO L899 garLoopResultBuilder]: For program point aws_string_eq_returnLabel#1(lines 7380 7399) no Hoare annotation was computed. [2023-11-12 00:56:06,538 INFO L899 garLoopResultBuilder]: For program point L7099-1(line 7099) no Hoare annotation was computed. [2023-11-12 00:56:06,538 INFO L895 garLoopResultBuilder]: At program point L7099(line 7099) the Hoare annotation is: false [2023-11-12 00:56:06,538 INFO L899 garLoopResultBuilder]: For program point L7095-1(line 7095) no Hoare annotation was computed. [2023-11-12 00:56:06,538 INFO L899 garLoopResultBuilder]: For program point L8887-2(line 8887) no Hoare annotation was computed. [2023-11-12 00:56:06,538 INFO L895 garLoopResultBuilder]: At program point L7095(line 7095) the Hoare annotation is: false [2023-11-12 00:56:06,539 INFO L895 garLoopResultBuilder]: At program point L8883(line 8883) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,539 INFO L899 garLoopResultBuilder]: For program point L7384(lines 7384 7388) no Hoare annotation was computed. [2023-11-12 00:56:06,539 INFO L899 garLoopResultBuilder]: For program point L8883-1(line 8883) no Hoare annotation was computed. [2023-11-12 00:56:06,539 INFO L895 garLoopResultBuilder]: At program point L8887(line 8887) the Hoare annotation is: false [2023-11-12 00:56:06,539 INFO L895 garLoopResultBuilder]: At program point L8887-1(line 8887) the Hoare annotation is: false [2023-11-12 00:56:06,539 INFO L895 garLoopResultBuilder]: At program point L8883-3(line 8883) the Hoare annotation is: (and (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.base| 0) (= |ULTIMATE.start_aws_string_eq_harness_~str_a~1#1.offset| 0)) [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L8883-4(line 8883) no Hoare annotation was computed. [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L8879(lines 8879 8890) no Hoare annotation was computed. [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L8883-5(line 8883) no Hoare annotation was computed. [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2023-11-12 00:56:06,540 INFO L899 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:56:06,541 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2023-11-12 00:56:06,541 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 224) the Hoare annotation is: true [2023-11-12 00:56:06,541 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2023-11-12 00:56:06,544 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 00:56:06,546 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:56:06,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:56:06 BoogieIcfgContainer [2023-11-12 00:56:06,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:56:06,554 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:56:06,554 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:56:06,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:56:06,555 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:58" (3/4) ... [2023-11-12 00:56:06,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:56:06,561 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_string_is_allocated_bounded_length [2023-11-12 00:56:06,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-12 00:56:06,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_eq [2023-11-12 00:56:06,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-12 00:56:06,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-12 00:56:06,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:56:06,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 00:56:06,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-12 00:56:06,563 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-12 00:56:06,583 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2023-11-12 00:56:06,584 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 00:56:06,585 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:56:06,586 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:56:06,876 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:56:06,877 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:56:06,877 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:56:06,878 INFO L158 Benchmark]: Toolchain (without parser) took 12920.25ms. Allocated memory was 134.2MB in the beginning and 293.6MB in the end (delta: 159.4MB). Free memory was 81.3MB in the beginning and 123.2MB in the end (delta: -41.9MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,878 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:56:06,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3301.19ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 80.8MB in the beginning and 126.4MB in the end (delta: -45.6MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 170.99ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 118.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,879 INFO L158 Benchmark]: Boogie Preprocessor took 77.19ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 112.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,880 INFO L158 Benchmark]: RCFGBuilder took 1025.51ms. Allocated memory is still 186.6MB. Free memory was 112.8MB in the beginning and 117.8MB in the end (delta: -5.0MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,880 INFO L158 Benchmark]: TraceAbstraction took 8010.42ms. Allocated memory was 186.6MB in the beginning and 293.6MB in the end (delta: 107.0MB). Free memory was 116.7MB in the beginning and 144.2MB in the end (delta: -27.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,881 INFO L158 Benchmark]: Witness Printer took 322.75ms. Allocated memory is still 293.6MB. Free memory was 144.2MB in the beginning and 123.2MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:56:06,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3301.19ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 80.8MB in the beginning and 126.4MB in the end (delta: -45.6MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 170.99ms. Allocated memory is still 186.6MB. Free memory was 126.4MB in the beginning and 118.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.19ms. Allocated memory is still 186.6MB. Free memory was 118.0MB in the beginning and 112.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.51ms. Allocated memory is still 186.6MB. Free memory was 112.8MB in the beginning and 117.8MB in the end (delta: -5.0MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8010.42ms. Allocated memory was 186.6MB in the beginning and 293.6MB in the end (delta: 107.0MB). Free memory was 116.7MB in the beginning and 144.2MB in the end (delta: -27.5MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. * Witness Printer took 322.75ms. Allocated memory is still 293.6MB. Free memory was 144.2MB in the beginning and 123.2MB in the end (delta: 21.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8556]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8556] * 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 10 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 2024 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1744 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 571 IncrementalHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 280 mSDtfsCounter, 571 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=3, 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, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 121 PreInvPairs, 128 NumberOfFragments, 190 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 255 ConstructedInterpolants, 1 QuantifiedInterpolants, 816 SizeOfPredicates, 8 NumberOfNonLiveVariables, 836 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 76/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:56:06,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a788cd-1a4b-4d0b-99ae-178bd47e64e9/bin/utaipan-verify-NcY6lQBIFX/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