./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--can--usb--esd_usb2.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:39:29,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:39:29,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:39:29,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:39:29,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:39:29,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:39:29,536 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:39:29,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:39:29,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:39:29,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:39:29,541 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:39:29,541 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:39:29,542 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:39:29,542 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:39:29,542 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:39:29,543 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:39:29,543 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:39:29,544 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:39:29,547 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:39:29,548 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:39:29,548 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:39:29,548 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:39:29,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:39:29,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:39:29,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:39:29,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:39:29,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:39:29,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:39:29,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:39:29,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:39:29,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:39:29,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:39:29,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:39:29,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:39:29,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:39:29,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:29,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:39:29,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:39:29,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:39:29,555 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:39:29,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:39:29,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:39:29,555 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:39:29,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:39:29,556 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 781669661afd0476205c0d0f127c7931dffbaabf4aae46244e576c29ee5a8115 [2024-11-02 12:39:29,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:39:29,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:39:29,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:39:29,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:39:29,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:39:29,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-02 12:39:31,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:39:32,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:39:32,485 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2024-11-02 12:39:32,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/data/a452c14e0/8719374380b641eba0ba104d46a7413c/FLAG2701da991 [2024-11-02 12:39:32,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/data/a452c14e0/8719374380b641eba0ba104d46a7413c [2024-11-02 12:39:32,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:39:32,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:39:32,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:32,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:39:32,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:39:32,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:32" (1/1) ... [2024-11-02 12:39:32,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343cf8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:32, skipping insertion in model container [2024-11-02 12:39:32,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:39:32" (1/1) ... [2024-11-02 12:39:33,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:39:34,071 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2024-11-02 12:39:34,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:34,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:39:34,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5448] [2024-11-02 12:39:34,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5455] [2024-11-02 12:39:34,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5463-5464] [2024-11-02 12:39:34,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5493] [2024-11-02 12:39:34,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5500] [2024-11-02 12:39:34,902 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i[163937,163950] [2024-11-02 12:39:35,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:39:35,160 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:39:35,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35 WrapperNode [2024-11-02 12:39:35,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:39:35,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:35,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:39:35,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:39:35,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,355 INFO L138 Inliner]: procedures = 161, calls = 852, calls flagged for inlining = 73, calls inlined = 73, statements flattened = 2743 [2024-11-02 12:39:35,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:39:35,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:39:35,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:39:35,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:39:35,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:39:35,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:39:35,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:39:35,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:39:35,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (1/1) ... [2024-11-02 12:39:35,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:39:35,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:39:35,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:39:35,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b6f2087-ed30-4ea9-92da-d1b09d84a7a6/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:39:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-02 12:39:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-02 12:39:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2024-11-02 12:39:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2024-11-02 12:39:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_17 [2024-11-02 12:39:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_17 [2024-11-02 12:39:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-02 12:39:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-11-02 12:39:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-11-02 12:39:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-02 12:39:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-02 12:39:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-02 12:39:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-02 12:39:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-02 12:39:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:39:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-02 12:39:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-02 12:39:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2024-11-02 12:39:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2024-11-02 12:39:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-02 12:39:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-02 12:39:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-02 12:39:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-02 12:39:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-02 12:39:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-02 12:39:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-02 12:39:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-02 12:39:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-02 12:39:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-02 12:39:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-02 12:39:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-02 12:39:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-02 12:39:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-02 12:39:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-02 12:39:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-02 12:39:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-02 12:39:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-02 12:39:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2024-11-02 12:39:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-02 12:39:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:39:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:39:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-02 12:39:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-02 12:39:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-02 12:39:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-02 12:39:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-02 12:39:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-02 12:39:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-02 12:39:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_4 [2024-11-02 12:39:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_4 [2024-11-02 12:39:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:39:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-02 12:39:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-02 12:39:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-02 12:39:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-02 12:39:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:39:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-02 12:39:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:39:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-02 12:39:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-02 12:39:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-02 12:39:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-02 12:39:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-02 12:39:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-02 12:39:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-02 12:39:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-02 12:39:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-02 12:39:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-02 12:39:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-02 12:39:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-02 12:39:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-02 12:39:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_read_bulk_callback [2024-11-02 12:39:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_read_bulk_callback [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-02 12:39:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-02 12:39:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_send_msg [2024-11-02 12:39:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_send_msg [2024-11-02 12:39:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-02 12:39:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-02 12:39:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-02 12:39:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-02 12:39:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-02 12:39:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-02 12:39:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-02 12:39:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-02 12:39:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-02 12:39:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-02 12:39:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-02 12:39:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-02 12:39:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-02 12:39:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-02 12:39:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-02 12:39:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-02 12:39:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-02 12:39:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-02 12:39:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:39:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-02 12:39:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-02 12:39:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-02 12:39:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-02 12:39:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-02 12:39:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-02 12:39:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure esd_usb2_disconnect [2024-11-02 12:39:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure esd_usb2_disconnect [2024-11-02 12:39:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:39:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:39:36,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:39:36,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:39:36,505 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-02 12:39:37,417 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-02 12:39:42,112 INFO L? ?]: Removed 1051 outVars from TransFormulas that were not future-live. [2024-11-02 12:39:42,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:39:43,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:39:43,230 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-02 12:39:43,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:43 BoogieIcfgContainer [2024-11-02 12:39:43,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:39:43,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:39:43,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:39:43,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:39:43,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:39:32" (1/3) ... [2024-11-02 12:39:43,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa29403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:43, skipping insertion in model container [2024-11-02 12:39:43,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:39:35" (2/3) ... [2024-11-02 12:39:43,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aa29403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:39:43, skipping insertion in model container [2024-11-02 12:39:43,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:39:43" (3/3) ... [2024-11-02 12:39:43,240 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--esd_usb2.ko-entry_point.cil.out.i [2024-11-02 12:39:43,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:39:43,259 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:39:43,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:39:43,364 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@655f8221, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:39:43,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:39:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 595 states, 377 states have (on average 1.376657824933687) internal successors, (519), 403 states have internal predecessors, (519), 167 states have call successors, (167), 51 states have call predecessors, (167), 49 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-02 12:39:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-02 12:39:43,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:39:43,391 INFO L215 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] [2024-11-02 12:39:43,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:39:43,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:39:43,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1171781327, now seen corresponding path program 1 times [2024-11-02 12:39:43,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:39:43,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376819162] [2024-11-02 12:39:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:39:43,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:39:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:39:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-02 12:39:49,506 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:39:49,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376819162] [2024-11-02 12:39:49,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376819162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:39:49,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:39:49,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-02 12:39:49,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222608325] [2024-11-02 12:39:49,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:39:49,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-02 12:39:49,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:39:49,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-02 12:39:49,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-02 12:39:49,555 INFO L87 Difference]: Start difference. First operand has 595 states, 377 states have (on average 1.376657824933687) internal successors, (519), 403 states have internal predecessors, (519), 167 states have call successors, (167), 51 states have call predecessors, (167), 49 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-02 12:39:51,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:39:53,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:39:57,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:40:00,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:40:02,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-02 12:40:04,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []