./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU --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 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:21,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:21,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:13:21,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:21,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:21,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:21,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:21,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:21,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:21,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:21,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:21,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:21,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:21,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:21,941 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:21,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:21,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:21,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:21,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:21,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:21,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:21,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:21,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:21,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:21,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:21,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:21,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:21,954 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:21,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:21,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:21,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:21,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:21,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:21,956 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:21,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:21,957 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:21,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:21,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:21,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:21,958 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_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 971edb75bb0f677639f0c3e5b019bf9afe7575a35e63ddba584727b568db50c6 [2024-10-31 22:13:22,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:22,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:22,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:22,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:22,359 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:22,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i Unable to find full path for "g++" [2024-10-31 22:13:24,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:24,997 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:24,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i [2024-10-31 22:13:25,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/data/556c2a982/a1bbed6ae6cf4e79806628b78b37fb4a/FLAG87b632eea [2024-10-31 22:13:25,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/data/556c2a982/a1bbed6ae6cf4e79806628b78b37fb4a [2024-10-31 22:13:25,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:25,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:25,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:25,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:25,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:25,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:25" (1/1) ... [2024-10-31 22:13:25,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e7aa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:25, skipping insertion in model container [2024-10-31 22:13:25,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:25" (1/1) ... [2024-10-31 22:13:25,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:25,533 WARN L251 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_560eca0e-729a-4ce8-beed-588ad6e82c94/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2024-10-31 22:13:25,543 WARN L251 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_560eca0e-729a-4ce8-beed-588ad6e82c94/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2024-10-31 22:13:26,952 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:26,954 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:26,956 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:26,958 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:26,960 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,009 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,010 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,015 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,722 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,731 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:27,834 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:27,853 WARN L251 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_560eca0e-729a-4ce8-beed-588ad6e82c94/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4498,4511] [2024-10-31 22:13:27,854 WARN L251 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_560eca0e-729a-4ce8-beed-588ad6e82c94/sv-benchmarks/c/aws-c-common/aws_array_list_pop_front_harness.i[4558,4571] [2024-10-31 22:13:27,961 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,962 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,963 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,964 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,977 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,978 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,979 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,982 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,983 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,984 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,984 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:27,984 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:28,145 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:28,151 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:13:28,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7765-7776] [2024-10-31 22:13:28,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:28,492 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:28,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28 WrapperNode [2024-10-31 22:13:28,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:28,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:28,496 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:28,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:28,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,706 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 51, calls inlined = 10, statements flattened = 687 [2024-10-31 22:13:28,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:28,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:28,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:28,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:28,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,860 INFO L175 MemorySlicer]: Split 323 memory accesses to 6 slices as follows [238, 2, 11, 3, 63, 6]. 74 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 5, 1, 10, 0]. The 240 writes are split as follows [232, 0, 0, 1, 5, 2]. [2024-10-31 22:13:28,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:28,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:28,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:28,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:28,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (1/1) ... [2024-10-31 22:13:28,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:29,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:29,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:29,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560eca0e-729a-4ce8-beed-588ad6e82c94/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2024-10-31 22:13:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2024-10-31 22:13:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:13:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:13:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:13:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:13:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:13:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:13:29,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:13:29,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:13:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:13:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:13:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:13:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:13:29,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:13:29,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:13:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:13:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:13:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:13:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:13:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:13:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:13:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:13:29,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:13:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:13:29,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:13:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:13:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:13:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:13:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:13:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:13:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:13:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:13:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:13:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:13:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:13:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:13:29,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:13:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:13:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-31 22:13:29,080 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-31 22:13:29,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:29,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:13:29,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:13:29,082 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:13:29,082 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:13:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2024-10-31 22:13:29,083 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2024-10-31 22:13:29,083 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_front [2024-10-31 22:13:29,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_front [2024-10-31 22:13:29,084 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:13:29,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:13:29,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:13:29,497 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:29,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:36,177 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:36,177 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:36,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:36,203 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:13:36,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:36 BoogieIcfgContainer [2024-10-31 22:13:36,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:36,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:36,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:36,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:36,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:25" (1/3) ... [2024-10-31 22:13:36,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415f3c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:36, skipping insertion in model container [2024-10-31 22:13:36,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:28" (2/3) ... [2024-10-31 22:13:36,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415f3c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:36, skipping insertion in model container [2024-10-31 22:13:36,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:36" (3/3) ... [2024-10-31 22:13:36,212 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_pop_front_harness.i [2024-10-31 22:13:36,231 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:36,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:36,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:36,323 INFO L333 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, 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;@4c358ba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:36,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-10-31 22:13:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-31 22:13:36,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:36,345 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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] [2024-10-31 22:13:36,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:36,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1369416434, now seen corresponding path program 1 times [2024-10-31 22:13:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447170540] [2024-10-31 22:13:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:13:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:13:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:13:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:13:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:13:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-31 22:13:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:13:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:13:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:13:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-31 22:13:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:13:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:13:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-31 22:13:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:13:46,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:46,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447170540] [2024-10-31 22:13:46,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447170540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:46,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:46,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:46,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322042371] [2024-10-31 22:13:46,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:46,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:46,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:46,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:46,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:46,286 INFO L87 Difference]: Start difference. First operand has 185 states, 110 states have (on average 1.2) internal successors, (132), 111 states have internal predecessors, (132), 57 states have call successors, (57), 16 states have call predecessors, (57), 16 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-31 22:13:50,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:13:54,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []