./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme --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 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:27,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:27,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:47:27,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:27,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:27,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:27,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:27,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:27,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:47:27,239 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:47:27,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:27,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:27,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:27,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:27,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:27,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:27,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:27,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:27,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:27,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:27,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:27,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:27,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:27,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:27,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:27,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:27,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:47:27,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:27,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:27,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:27,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:27,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:27,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:27,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:27,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:27,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:27,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:27,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:27,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:27,256 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_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2023-11-26 11:47:27,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:27,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:27,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:27,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:27,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:27,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2023-11-26 11:47:30,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:31,477 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:31,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2023-11-26 11:47:31,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/data/f622f98d9/ed722e7eb6db40a99e278d939f5adf27/FLAG9cc61715c [2023-11-26 11:47:31,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/data/f622f98d9/ed722e7eb6db40a99e278d939f5adf27 [2023-11-26 11:47:31,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:31,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:31,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:31,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:31,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:31,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:31" (1/1) ... [2023-11-26 11:47:31,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21cb6bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:31, skipping insertion in model container [2023-11-26 11:47:31,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:31" (1/1) ... [2023-11-26 11:47:31,719 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:32,834 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_ea1c538b-c564-4cf9-8949-f0b949b86b45/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2023-11-26 11:47:33,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:33,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:33,841 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_ea1c538b-c564-4cf9-8949-f0b949b86b45/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2023-11-26 11:47:34,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:34,081 WARN L675 CHandler]: The function __VERIFIER_nondet_u16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:34,081 WARN L675 CHandler]: The function __VERIFIER_nondet_u8 is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:34,081 WARN L675 CHandler]: The function __VERIFIER_nondet_u32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:47:34,088 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:34,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34 WrapperNode [2023-11-26 11:47:34,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:34,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:34,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:34,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:34,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,255 INFO L138 Inliner]: procedures = 175, calls = 742, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1991 [2023-11-26 11:47:34,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:34,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:34,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:34,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:34,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,912 INFO L175 MemorySlicer]: Split 336 memory accesses to 15 slices as follows [2, 10, 4, 2, 3, 3, 2, 3, 248, 3, 3, 3, 42, 6, 2]. 74 percent of accesses are in the largest equivalence class. The 84 initializations are split as follows [2, 0, 0, 0, 3, 3, 0, 3, 22, 3, 3, 3, 42, 0, 0]. The 107 writes are split as follows [0, 9, 1, 1, 0, 0, 1, 0, 91, 0, 0, 0, 0, 3, 1]. [2023-11-26 11:47:34,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:34,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:35,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:35,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:35,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:35,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (1/1) ... [2023-11-26 11:47:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:35,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:35,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:35,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea1c538b-c564-4cf9-8949-f0b949b86b45/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2023-11-26 11:47:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2023-11-26 11:47:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 11:47:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 11:47:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2023-11-26 11:47:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2023-11-26 11:47:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:47:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:47:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:47:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:47:35,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 11:47:35,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 11:47:35,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 11:47:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 11:47:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 11:47:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 11:47:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-26 11:47:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-26 11:47:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-26 11:47:35,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-26 11:47:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 11:47:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 11:47:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 11:47:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 11:47:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 11:47:35,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 11:47:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 11:47:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 11:47:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 11:47:35,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 11:47:35,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 11:47:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 11:47:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 11:47:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 11:47:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 11:47:35,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 11:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 11:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 11:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 11:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 11:47:35,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 11:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 11:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 11:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 11:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 11:47:35,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:47:35,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:47:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:47:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:47:35,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:47:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:47:35,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:47:35,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:47:35,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:47:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:47:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:47:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:47:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:47:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-11-26 11:47:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-11-26 11:47:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2023-11-26 11:47:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2023-11-26 11:47:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2023-11-26 11:47:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2023-11-26 11:47:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-26 11:47:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-26 11:47:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-26 11:47:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-26 11:47:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:47:35,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:47:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2023-11-26 11:47:35,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2023-11-26 11:47:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2023-11-26 11:47:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2023-11-26 11:47:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:47:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:47:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2023-11-26 11:47:35,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2023-11-26 11:47:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:47:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:47:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:47:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:47:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:47:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:47:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:47:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:47:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:47:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:47:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2023-11-26 11:47:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2023-11-26 11:47:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-26 11:47:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-26 11:47:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:47:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:47:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2023-11-26 11:47:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2023-11-26 11:47:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2023-11-26 11:47:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2023-11-26 11:47:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2023-11-26 11:47:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2023-11-26 11:47:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2023-11-26 11:47:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2023-11-26 11:47:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2023-11-26 11:47:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 11:47:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 11:47:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 11:47:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 11:47:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 11:47:35,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 11:47:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 11:47:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 11:47:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 11:47:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 11:47:35,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 11:47:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 11:47:35,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 11:47:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 11:47:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-26 11:47:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 11:47:35,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 11:47:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 11:47:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 11:47:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 11:47:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 11:47:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 11:47:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 11:47:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 11:47:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 11:47:35,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 11:47:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 11:47:35,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 11:47:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 11:47:35,234 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-26 11:47:35,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:47:35,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:47:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_warn [2023-11-26 11:47:35,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_warn [2023-11-26 11:47:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2023-11-26 11:47:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2023-11-26 11:47:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:47:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2023-11-26 11:47:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2023-11-26 11:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:47:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2023-11-26 11:47:35,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2023-11-26 11:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2023-11-26 11:47:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2023-11-26 11:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2023-11-26 11:47:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2023-11-26 11:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:47:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:47:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:47:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:47:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-26 11:47:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-26 11:47:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_err [2023-11-26 11:47:35,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_err [2023-11-26 11:47:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:47:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:47:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:47:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:47:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-26 11:47:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-26 11:47:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-26 11:47:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-26 11:47:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2023-11-26 11:47:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2023-11-26 11:47:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2023-11-26 11:47:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2023-11-26 11:47:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2023-11-26 11:47:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-26 11:47:35,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-26 11:47:35,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:47:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:47:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-26 11:47:35,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-26 11:47:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:47:35,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:47:35,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:47:35,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:47:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2023-11-26 11:47:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2023-11-26 11:47:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-26 11:47:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-26 11:47:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 11:47:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 11:47:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2023-11-26 11:47:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2023-11-26 11:47:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 11:47:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 11:47:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_dbg [2023-11-26 11:47:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_dbg [2023-11-26 11:47:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-26 11:47:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-26 11:47:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-26 11:47:35,258 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-26 11:47:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:47:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:47:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:47:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:47:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:47:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2023-11-26 11:47:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2023-11-26 11:47:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-26 11:47:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-26 11:47:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-26 11:47:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-26 11:47:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 11:47:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 11:47:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 11:47:35,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 11:47:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 11:47:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 11:47:35,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 11:47:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 11:47:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 11:47:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2023-11-26 11:47:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 11:47:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 11:47:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:35,972 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:35,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:36,091 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:47:38,323 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:38,555 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:38,555 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:47:38,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:38 BoogieIcfgContainer [2023-11-26 11:47:38,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:38,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:38,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:38,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:38,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:31" (1/3) ... [2023-11-26 11:47:38,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6533fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:38, skipping insertion in model container [2023-11-26 11:47:38,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:34" (2/3) ... [2023-11-26 11:47:38,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6533fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:38, skipping insertion in model container [2023-11-26 11:47:38,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:38" (3/3) ... [2023-11-26 11:47:38,572 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2023-11-26 11:47:38,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:38,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:47:38,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:38,687 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22b26552, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:38,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:47:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 718 states, 477 states have (on average 1.4234800838574424) internal successors, (679), 491 states have internal predecessors, (679), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2023-11-26 11:47:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-26 11:47:38,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:38,716 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:38,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:38,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:38,723 INFO L85 PathProgramCache]: Analyzing trace with hash 524762336, now seen corresponding path program 1 times [2023-11-26 11:47:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:38,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880670126] [2023-11-26 11:47:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:47:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:47:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:47:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:47:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:47:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:47:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:47:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 11:47:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:47:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:47:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:47:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:47:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 11:47:39,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:39,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880670126] [2023-11-26 11:47:39,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880670126] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:39,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:39,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:47:39,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621174643] [2023-11-26 11:47:39,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:40,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:40,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:40,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:40,052 INFO L87 Difference]: Start difference. First operand has 718 states, 477 states have (on average 1.4234800838574424) internal successors, (679), 491 states have internal predecessors, (679), 185 states have call successors, (185), 55 states have call predecessors, (185), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-26 11:47:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:47:48,960 INFO L93 Difference]: Finished difference Result 2307 states and 3534 transitions. [2023-11-26 11:47:48,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:47:48,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 87 [2023-11-26 11:47:48,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:47:49,011 INFO L225 Difference]: With dead ends: 2307 [2023-11-26 11:47:49,011 INFO L226 Difference]: Without dead ends: 1579 [2023-11-26 11:47:49,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:47:49,025 INFO L413 NwaCegarLoop]: 563 mSDtfsCounter, 2615 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 1930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2718 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1930 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:47:49,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2718 Valid, 2010 Invalid, 3721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1930 Valid, 1791 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-26 11:47:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2023-11-26 11:47:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1373. [2023-11-26 11:47:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 923 states have (on average 1.3867822318526544) internal successors, (1280), 939 states have internal predecessors, (1280), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2023-11-26 11:47:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1969 transitions. [2023-11-26 11:47:49,310 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1969 transitions. Word has length 87 [2023-11-26 11:47:49,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:47:49,311 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 1969 transitions. [2023-11-26 11:47:49,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-26 11:47:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1969 transitions. [2023-11-26 11:47:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 11:47:49,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:47:49,320 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:47:49,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:49,320 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:47:49,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:49,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1400165393, now seen corresponding path program 1 times [2023-11-26 11:47:49,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:49,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692737851] [2023-11-26 11:47:49,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:49,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:47:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:47:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:47:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:47:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:47:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:47:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:47:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:47:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 11:47:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:47:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:47:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:47:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:47:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:47:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 11:47:49,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:49,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692737851] [2023-11-26 11:47:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692737851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:49,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:49,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:47:49,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304915615] [2023-11-26 11:47:49,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:49,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:47:49,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:49,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:47:49,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:47:49,905 INFO L87 Difference]: Start difference. First operand 1373 states and 1969 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-26 11:47:52,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:47:54,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:48:01,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:01,091 INFO L93 Difference]: Finished difference Result 3246 states and 4813 transitions. [2023-11-26 11:48:01,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:48:01,092 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 98 [2023-11-26 11:48:01,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:48:01,111 INFO L225 Difference]: With dead ends: 3246 [2023-11-26 11:48:01,111 INFO L226 Difference]: Without dead ends: 1906 [2023-11-26 11:48:01,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:48:01,119 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 2127 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 2280 mSolverCounterSat, 1196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1196 IncrementalHoareTripleChecker+Valid, 2280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:48:01,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2260 Valid, 3427 Invalid, 3476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1196 Valid, 2280 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2023-11-26 11:48:01,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2023-11-26 11:48:01,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1375. [2023-11-26 11:48:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 925 states have (on average 1.384864864864865) internal successors, (1281), 941 states have internal predecessors, (1281), 345 states have call successors, (345), 105 states have call predecessors, (345), 104 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2023-11-26 11:48:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1970 transitions. [2023-11-26 11:48:01,250 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1970 transitions. Word has length 98 [2023-11-26 11:48:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:48:01,251 INFO L495 AbstractCegarLoop]: Abstraction has 1375 states and 1970 transitions. [2023-11-26 11:48:01,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-26 11:48:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1970 transitions. [2023-11-26 11:48:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-26 11:48:01,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:01,256 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:01,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:48:01,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:01,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:01,257 INFO L85 PathProgramCache]: Analyzing trace with hash 289977953, now seen corresponding path program 1 times [2023-11-26 11:48:01,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:01,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644820610] [2023-11-26 11:48:01,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:01,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:48:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:48:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:48:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:48:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:48:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:48:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:48:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 11:48:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:48:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:48:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:48:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:48:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-26 11:48:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-26 11:48:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 11:48:01,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:01,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644820610] [2023-11-26 11:48:01,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644820610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:01,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:01,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:48:01,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18983018] [2023-11-26 11:48:01,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:01,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:48:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:01,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:48:01,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:48:01,977 INFO L87 Difference]: Start difference. First operand 1375 states and 1970 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-26 11:48:05,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:48:13,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:13,892 INFO L93 Difference]: Finished difference Result 4464 states and 6571 transitions. [2023-11-26 11:48:13,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:48:13,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2023-11-26 11:48:13,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:48:13,919 INFO L225 Difference]: With dead ends: 4464 [2023-11-26 11:48:13,920 INFO L226 Difference]: Without dead ends: 3120 [2023-11-26 11:48:13,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-26 11:48:13,928 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 2593 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 1849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2710 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 4344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1849 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:48:13,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2710 Valid, 2451 Invalid, 4344 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1849 Valid, 2495 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-26 11:48:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2023-11-26 11:48:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 2724. [2023-11-26 11:48:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 1833 states have (on average 1.3851609383524277) internal successors, (2539), 1867 states have internal predecessors, (2539), 680 states have call successors, (680), 207 states have call predecessors, (680), 210 states have return successors, (713), 679 states have call predecessors, (713), 679 states have call successors, (713) [2023-11-26 11:48:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 3932 transitions. [2023-11-26 11:48:14,179 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 3932 transitions. Word has length 102 [2023-11-26 11:48:14,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:48:14,180 INFO L495 AbstractCegarLoop]: Abstraction has 2724 states and 3932 transitions. [2023-11-26 11:48:14,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-26 11:48:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3932 transitions. [2023-11-26 11:48:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-26 11:48:14,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:48:14,204 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:14,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:48:14,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:48:14,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:14,205 INFO L85 PathProgramCache]: Analyzing trace with hash 474894707, now seen corresponding path program 1 times [2023-11-26 11:48:14,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:14,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020149249] [2023-11-26 11:48:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:48:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:48:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:48:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:48:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:48:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:48:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:48:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-26 11:48:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 11:48:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-26 11:48:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:48:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-26 11:48:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-26 11:48:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-26 11:48:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:48:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:48:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-26 11:48:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:48:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:48:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:48:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:48:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:48:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:48:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:48:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:48:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-26 11:48:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-26 11:48:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-11-26 11:48:15,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:15,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020149249] [2023-11-26 11:48:15,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020149249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:15,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:15,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 11:48:15,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735347050] [2023-11-26 11:48:15,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:15,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-26 11:48:15,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:15,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-26 11:48:15,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-26 11:48:15,197 INFO L87 Difference]: Start difference. First operand 2724 states and 3932 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (32), 9 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-26 11:48:16,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:48:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []