./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.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_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/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_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/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_b9c30476-851f-4345-8e8f-856d69b03729/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 a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:39,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:39,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:46:39,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:39,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:39,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:39,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:39,800 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:39,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:39,806 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:39,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:39,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:39,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:39,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:39,810 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:39,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:39,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:39,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:39,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:39,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:39,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:39,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:39,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:39,815 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:39,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:39,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:39,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:39,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:39,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:39,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:39,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:39,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:39,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:39,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:39,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:39,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:39,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:39,821 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:39,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:39,822 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_b9c30476-851f-4345-8e8f-856d69b03729/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a78ad5bb06da9a7367e7c9e45cee20fe00113336b7bc544675fdd46fc445ae5c [2023-11-26 10:46:40,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:40,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:40,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:40,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:40,191 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:40,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-11-26 10:46:43,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:44,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:44,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-11-26 10:46:44,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/data/1aa2e5dcb/6d8bb4a6b1b04779ac2a25fa1ae1b11b/FLAGf451bb80d [2023-11-26 10:46:44,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/data/1aa2e5dcb/6d8bb4a6b1b04779ac2a25fa1ae1b11b [2023-11-26 10:46:44,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:44,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:44,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:44,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:44,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:44,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:44" (1/1) ... [2023-11-26 10:46:44,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f991408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:44, skipping insertion in model container [2023-11-26 10:46:44,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:44" (1/1) ... [2023-11-26 10:46:44,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:45,500 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_b9c30476-851f-4345-8e8f-856d69b03729/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2023-11-26 10:46:46,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:46,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:46,357 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_b9c30476-851f-4345-8e8f-856d69b03729/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[181063,181076] [2023-11-26 10:46:46,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:46,656 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:46:46,664 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:46,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46 WrapperNode [2023-11-26 10:46:46,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:46,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:46,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:46,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:46,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,902 INFO L138 Inliner]: procedures = 183, calls = 1631, calls flagged for inlining = 85, calls inlined = 66, statements flattened = 3184 [2023-11-26 10:46:46,902 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:46,903 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:46,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:46,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:46,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:46,954 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,633 INFO L175 MemorySlicer]: Split 1164 memory accesses to 12 slices as follows [2, 42, 5, 2, 3, 1, 46, 7, 4, 1011, 3, 38]. 87 percent of accesses are in the largest equivalence class. The 911 initializations are split as follows [2, 42, 5, 0, 0, 0, 0, 7, 3, 849, 3, 0]. The 107 writes are split as follows [0, 0, 0, 1, 0, 0, 16, 0, 0, 56, 0, 34]. [2023-11-26 10:46:47,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:47,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:47,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:47,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:47,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (1/1) ... [2023-11-26 10:46:47,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:47,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:47,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:47,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9c30476-851f-4345-8e8f-856d69b03729/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 10:46:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 10:46:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2023-11-26 10:46:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2023-11-26 10:46:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:46:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:46:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:46:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 10:46:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 10:46:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 10:46:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 10:46:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 10:46:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 10:46:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 10:46:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 10:46:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 10:46:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_5 [2023-11-26 10:46:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_5 [2023-11-26 10:46:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2023-11-26 10:46:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2023-11-26 10:46:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 10:46:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 10:46:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 10:46:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 10:46:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 10:46:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 10:46:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 10:46:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 10:46:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 10:46:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 10:46:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 10:46:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 10:46:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-11-26 10:46:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 10:46:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 10:46:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:46:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:46:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:46:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:46:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:46:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-26 10:46:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-26 10:46:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-26 10:46:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-26 10:46:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:46:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:46:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:46:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:46:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:46:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:46:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:46:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:46:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:46:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:46:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:46:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:46:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:46:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-26 10:46:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-26 10:46:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2023-11-26 10:46:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2023-11-26 10:46:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:46:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:46:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-26 10:46:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-26 10:46:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2023-11-26 10:46:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2023-11-26 10:46:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 10:46:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 10:46:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-26 10:46:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:46:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:46:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:46:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:46:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:46:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:46:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:46:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:46:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_skb [2023-11-26 10:46:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_skb [2023-11-26 10:46:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 10:46:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 10:46:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-26 10:46:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-26 10:46:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2023-11-26 10:46:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2023-11-26 10:46:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:46:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:46:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_rx_cb [2023-11-26 10:46:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_rx_cb [2023-11-26 10:46:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:46:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 10:46:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 10:46:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 10:46:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 10:46:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 10:46:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 10:46:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:46:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:46:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 10:46:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 10:46:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 10:46:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 10:46:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:46:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:46:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:46:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-26 10:46:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-26 10:46:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-26 10:46:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-26 10:46:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2023-11-26 10:46:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2023-11-26 10:46:48,049 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 10:46:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 10:46:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2023-11-26 10:46:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2023-11-26 10:46:48,050 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2023-11-26 10:46:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-26 10:46:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-26 10:46:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:46:48,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:46:48,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-11-26 10:46:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:46:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:46:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2023-11-26 10:46:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2023-11-26 10:46:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:46:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:46:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:46:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:46:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:46:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:46:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:46:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:46:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2023-11-26 10:46:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2023-11-26 10:46:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2023-11-26 10:46:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2023-11-26 10:46:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-11-26 10:46:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-11-26 10:46:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:46:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:46:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-26 10:46:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-26 10:46:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2023-11-26 10:46:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2023-11-26 10:46:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2023-11-26 10:46:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2023-11-26 10:46:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2023-11-26 10:46:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2023-11-26 10:46:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 10:46:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 10:46:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-26 10:46:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-26 10:46:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-26 10:46:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-26 10:46:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 10:46:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 10:46:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2023-11-26 10:46:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2023-11-26 10:46:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2023-11-26 10:46:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2023-11-26 10:46:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-26 10:46:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-26 10:46:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2023-11-26 10:46:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-26 10:46:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:46:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:46:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-26 10:46:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-26 10:46:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-26 10:46:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-26 10:46:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 10:46:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 10:46:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 10:46:48,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 10:46:48,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 10:46:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 10:46:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 10:46:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 10:46:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-26 10:46:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-26 10:46:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:48,702 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:48,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:48,886 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:46:49,165 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-26 10:46:56,203 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:56,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:56,587 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:56,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:56 BoogieIcfgContainer [2023-11-26 10:46:56,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:56,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:56,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:56,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:56,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:44" (1/3) ... [2023-11-26 10:46:56,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606b4679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:56, skipping insertion in model container [2023-11-26 10:46:56,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:46" (2/3) ... [2023-11-26 10:46:56,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606b4679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:56, skipping insertion in model container [2023-11-26 10:46:56,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:56" (3/3) ... [2023-11-26 10:46:56,601 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2023-11-26 10:46:56,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:56,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:46:56,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:56,734 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;@3188f8cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:56,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:46:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 832 states, 574 states have (on average 1.4494773519163764) internal successors, (832), 600 states have internal predecessors, (832), 202 states have call successors, (202), 56 states have call predecessors, (202), 54 states have return successors, (197), 194 states have call predecessors, (197), 197 states have call successors, (197) [2023-11-26 10:46:56,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:46:56,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:56,761 INFO L195 NwaCegarLoop]: trace histogram [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 10:46:56,762 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:46:56,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:56,771 INFO L85 PathProgramCache]: Analyzing trace with hash -604475681, now seen corresponding path program 1 times [2023-11-26 10:46:56,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:56,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379655936] [2023-11-26 10:46:56,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:56,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:46:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:58,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:58,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379655936] [2023-11-26 10:46:58,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379655936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:58,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:58,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:46:58,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504903231] [2023-11-26 10:46:58,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:58,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:46:58,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:58,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:46:58,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:58,720 INFO L87 Difference]: Start difference. First operand has 832 states, 574 states have (on average 1.4494773519163764) internal successors, (832), 600 states have internal predecessors, (832), 202 states have call successors, (202), 56 states have call predecessors, (202), 54 states have return successors, (197), 194 states have call predecessors, (197), 197 states have call successors, (197) Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:02,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:06,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:10,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:14,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:22,791 INFO L93 Difference]: Finished difference Result 2646 states and 4044 transitions. [2023-11-26 10:47:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:47:22,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-26 10:47:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:22,836 INFO L225 Difference]: With dead ends: 2646 [2023-11-26 10:47:22,836 INFO L226 Difference]: Without dead ends: 1798 [2023-11-26 10:47:22,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:47:22,853 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 2825 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 1433 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 4347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1433 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:22,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3004 Valid, 608 Invalid, 4347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1433 Valid, 2910 Invalid, 4 Unknown, 0 Unchecked, 23.5s Time] [2023-11-26 10:47:22,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2023-11-26 10:47:23,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1620. [2023-11-26 10:47:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1128 states have (on average 1.4069148936170213) internal successors, (1587), 1162 states have internal predecessors, (1587), 386 states have call successors, (386), 106 states have call predecessors, (386), 105 states have return successors, (381), 375 states have call predecessors, (381), 381 states have call successors, (381) [2023-11-26 10:47:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2354 transitions. [2023-11-26 10:47:23,106 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2354 transitions. Word has length 22 [2023-11-26 10:47:23,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:23,107 INFO L495 AbstractCegarLoop]: Abstraction has 1620 states and 2354 transitions. [2023-11-26 10:47:23,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:47:23,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2354 transitions. [2023-11-26 10:47:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 10:47:23,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:23,111 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-26 10:47:23,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:47:23,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:47:23,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:23,112 INFO L85 PathProgramCache]: Analyzing trace with hash 495670030, now seen corresponding path program 1 times [2023-11-26 10:47:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:23,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218965084] [2023-11-26 10:47:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:23,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:47:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:47:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 10:47:24,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:24,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218965084] [2023-11-26 10:47:24,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218965084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:24,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:24,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:47:24,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289279837] [2023-11-26 10:47:24,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:24,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:47:24,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:24,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:47:24,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:47:24,169 INFO L87 Difference]: Start difference. First operand 1620 states and 2354 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 10:47:28,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:32,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:47:36,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []