./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ --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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:06,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:06,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:17:06,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:06,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:06,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:06,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:06,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:06,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:06,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:06,510 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:06,511 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:06,511 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:06,513 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:06,514 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:06,514 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:06,515 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:06,515 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:06,515 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:06,516 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:06,516 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:06,517 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:06,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:06,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:06,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:06,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:06,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:06,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:06,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:06,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:06,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:06,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:06,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:06,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:06,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:06,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:06,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:06,525 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:06,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:06,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:06,526 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:06,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:06,526 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_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2023-11-19 04:17:06,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:06,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:06,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:06,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:06,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:06,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2023-11-19 04:17:09,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:10,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:10,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2023-11-19 04:17:10,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/data/cf7c8a4ba/7edbaccf9e044bb581642ae08bb97df4/FLAG5ce87e1d0 [2023-11-19 04:17:10,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/data/cf7c8a4ba/7edbaccf9e044bb581642ae08bb97df4 [2023-11-19 04:17:10,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:10,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:10,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:10,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:10,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:10,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:10" (1/1) ... [2023-11-19 04:17:10,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba203e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:10, skipping insertion in model container [2023-11-19 04:17:10,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:10" (1/1) ... [2023-11-19 04:17:10,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:11,526 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_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2023-11-19 04:17:11,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:11,955 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:17:12,147 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2023-11-19 04:17:12,161 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_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2023-11-19 04:17:12,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:12,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:17:12,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12 WrapperNode [2023-11-19 04:17:12,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:12,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:12,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:17:12,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:17:12,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,407 INFO L138 Inliner]: procedures = 125, calls = 354, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1111 [2023-11-19 04:17:12,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:12,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:17:12,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:17:12,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:17:12,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:17:12,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:17:12,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:17:12,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:17:12,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (1/1) ... [2023-11-19 04:17:12,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:12,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:12,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:17:12,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:17:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:17:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:17:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:17:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:17:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:17:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:17:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 04:17:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 04:17:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 04:17:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 04:17:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2023-11-19 04:17:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2023-11-19 04:17:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-19 04:17:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-19 04:17:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:17:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:17:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-19 04:17:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-19 04:17:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:17:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:17:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:17:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 04:17:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 04:17:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:17:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:17:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-19 04:17:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-19 04:17:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:17:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:17:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:17:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:17:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2023-11-19 04:17:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2023-11-19 04:17:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:17:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 04:17:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 04:17:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:17:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:17:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:17:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:17:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:17:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:17:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-19 04:17:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-19 04:17:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 04:17:12,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 04:17:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:17:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:17:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:17:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:17:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:17:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:17:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:17:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:17:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 04:17:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 04:17:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:17:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:17:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2023-11-19 04:17:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2023-11-19 04:17:13,174 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:17:13,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:17:13,277 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:17:15,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:17:15,974 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:17:15,974 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:17:15,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:15 BoogieIcfgContainer [2023-11-19 04:17:15,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:17:15,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:17:15,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:17:15,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:17:15,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:10" (1/3) ... [2023-11-19 04:17:15,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b5291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:15, skipping insertion in model container [2023-11-19 04:17:15,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:12" (2/3) ... [2023-11-19 04:17:15,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94b5291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:15, skipping insertion in model container [2023-11-19 04:17:15,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:15" (3/3) ... [2023-11-19 04:17:15,999 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2023-11-19 04:17:16,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:17:16,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:17:16,113 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:17:16,120 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44224ace, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:17:16,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:17:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 226 states, 152 states have (on average 1.4539473684210527) internal successors, (221), 161 states have internal predecessors, (221), 51 states have call successors, (51), 22 states have call predecessors, (51), 21 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-19 04:17:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:17:16,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:16,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:16,145 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:16,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash 68938797, now seen corresponding path program 1 times [2023-11-19 04:17:16,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:16,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248247608] [2023-11-19 04:17:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:17:16,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:16,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248247608] [2023-11-19 04:17:16,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248247608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:16,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:16,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:16,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628835313] [2023-11-19 04:17:16,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:16,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:16,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:17,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:17,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:17,020 INFO L87 Difference]: Start difference. First operand has 226 states, 152 states have (on average 1.4539473684210527) internal successors, (221), 161 states have internal predecessors, (221), 51 states have call successors, (51), 22 states have call predecessors, (51), 21 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 04:17:19,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:19,059 INFO L93 Difference]: Finished difference Result 638 states and 914 transitions. [2023-11-19 04:17:19,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:19,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2023-11-19 04:17:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:19,080 INFO L225 Difference]: With dead ends: 638 [2023-11-19 04:17:19,080 INFO L226 Difference]: Without dead ends: 412 [2023-11-19 04:17:19,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:19,091 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 277 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:19,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 522 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-19 04:17:19,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-19 04:17:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-11-19 04:17:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 286 states have (on average 1.4090909090909092) internal successors, (403), 292 states have internal predecessors, (403), 86 states have call successors, (86), 40 states have call predecessors, (86), 39 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2023-11-19 04:17:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 574 transitions. [2023-11-19 04:17:19,188 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 574 transitions. Word has length 33 [2023-11-19 04:17:19,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:19,189 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 574 transitions. [2023-11-19 04:17:19,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-19 04:17:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 574 transitions. [2023-11-19 04:17:19,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:17:19,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:19,232 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:19,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:17:19,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:19,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1930197573, now seen corresponding path program 1 times [2023-11-19 04:17:19,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:19,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318860335] [2023-11-19 04:17:19,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:19,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:17:19,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:19,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318860335] [2023-11-19 04:17:19,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318860335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:19,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:19,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:17:19,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181376264] [2023-11-19 04:17:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:19,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:17:19,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:19,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:17:19,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:17:19,644 INFO L87 Difference]: Start difference. First operand 412 states and 574 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:17:21,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:21,460 INFO L93 Difference]: Finished difference Result 812 states and 1140 transitions. [2023-11-19 04:17:21,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:17:21,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2023-11-19 04:17:21,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:21,470 INFO L225 Difference]: With dead ends: 812 [2023-11-19 04:17:21,471 INFO L226 Difference]: Without dead ends: 807 [2023-11-19 04:17:21,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:21,474 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 283 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:21,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 744 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 04:17:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2023-11-19 04:17:21,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 801. [2023-11-19 04:17:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 556 states have (on average 1.410071942446043) internal successors, (784), 568 states have internal predecessors, (784), 167 states have call successors, (167), 78 states have call predecessors, (167), 77 states have return successors, (174), 166 states have call predecessors, (174), 166 states have call successors, (174) [2023-11-19 04:17:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1125 transitions. [2023-11-19 04:17:21,615 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1125 transitions. Word has length 42 [2023-11-19 04:17:21,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:21,616 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1125 transitions. [2023-11-19 04:17:21,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 04:17:21,617 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1125 transitions. [2023-11-19 04:17:21,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 04:17:21,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:21,638 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:21,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:17:21,639 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:21,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:21,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1842390563, now seen corresponding path program 1 times [2023-11-19 04:17:21,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:21,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553582039] [2023-11-19 04:17:21,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:21,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:22,018 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-19 04:17:22,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:22,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553582039] [2023-11-19 04:17:22,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553582039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:22,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:22,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:22,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11168407] [2023-11-19 04:17:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:22,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:22,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:22,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:22,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:22,022 INFO L87 Difference]: Start difference. First operand 801 states and 1125 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 04:17:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:23,186 INFO L93 Difference]: Finished difference Result 1747 states and 2460 transitions. [2023-11-19 04:17:23,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:23,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2023-11-19 04:17:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:23,194 INFO L225 Difference]: With dead ends: 1747 [2023-11-19 04:17:23,194 INFO L226 Difference]: Without dead ends: 958 [2023-11-19 04:17:23,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:23,199 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:23,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 485 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 04:17:23,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-11-19 04:17:23,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 953. [2023-11-19 04:17:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 685 states have (on average 1.4248175182481753) internal successors, (976), 697 states have internal predecessors, (976), 180 states have call successors, (180), 88 states have call predecessors, (180), 87 states have return successors, (187), 179 states have call predecessors, (187), 179 states have call successors, (187) [2023-11-19 04:17:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1343 transitions. [2023-11-19 04:17:23,326 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1343 transitions. Word has length 142 [2023-11-19 04:17:23,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:23,327 INFO L495 AbstractCegarLoop]: Abstraction has 953 states and 1343 transitions. [2023-11-19 04:17:23,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-19 04:17:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1343 transitions. [2023-11-19 04:17:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 04:17:23,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:23,334 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:23,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:17:23,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:23,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1350358318, now seen corresponding path program 1 times [2023-11-19 04:17:23,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:23,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535425264] [2023-11-19 04:17:23,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:23,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 04:17:23,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:23,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535425264] [2023-11-19 04:17:23,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535425264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:23,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:23,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:23,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828375798] [2023-11-19 04:17:23,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:23,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:23,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:23,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:23,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:23,642 INFO L87 Difference]: Start difference. First operand 953 states and 1343 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:17:24,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:26,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:26,437 INFO L93 Difference]: Finished difference Result 2621 states and 3690 transitions. [2023-11-19 04:17:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:26,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 160 [2023-11-19 04:17:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:26,450 INFO L225 Difference]: With dead ends: 2621 [2023-11-19 04:17:26,450 INFO L226 Difference]: Without dead ends: 1688 [2023-11-19 04:17:26,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:26,455 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 261 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:26,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 529 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-19 04:17:26,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2023-11-19 04:17:26,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1683. [2023-11-19 04:17:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1201 states have (on average 1.4121565362198167) internal successors, (1696), 1225 states have internal predecessors, (1696), 320 states have call successors, (320), 162 states have call predecessors, (320), 161 states have return successors, (331), 319 states have call predecessors, (331), 319 states have call successors, (331) [2023-11-19 04:17:26,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2347 transitions. [2023-11-19 04:17:26,599 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2347 transitions. Word has length 160 [2023-11-19 04:17:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:26,600 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 2347 transitions. [2023-11-19 04:17:26,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-19 04:17:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2347 transitions. [2023-11-19 04:17:26,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 04:17:26,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:26,606 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:26,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:17:26,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:26,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:26,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1527359816, now seen corresponding path program 1 times [2023-11-19 04:17:26,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:26,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009939547] [2023-11-19 04:17:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:26,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 04:17:26,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:26,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009939547] [2023-11-19 04:17:26,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009939547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:26,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:26,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:26,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258698304] [2023-11-19 04:17:26,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:26,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:26,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:26,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:26,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:26,868 INFO L87 Difference]: Start difference. First operand 1683 states and 2347 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:17:28,882 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 [] [2023-11-19 04:17:29,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:29,877 INFO L93 Difference]: Finished difference Result 2539 states and 3564 transitions. [2023-11-19 04:17:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:29,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 160 [2023-11-19 04:17:29,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:29,890 INFO L225 Difference]: With dead ends: 2539 [2023-11-19 04:17:29,890 INFO L226 Difference]: Without dead ends: 1699 [2023-11-19 04:17:29,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:29,895 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 4 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:29,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 500 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2023-11-19 04:17:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2023-11-19 04:17:29,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1699. [2023-11-19 04:17:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1213 states have (on average 1.4080791426215993) internal successors, (1708), 1241 states have internal predecessors, (1708), 320 states have call successors, (320), 162 states have call predecessors, (320), 165 states have return successors, (335), 319 states have call predecessors, (335), 319 states have call successors, (335) [2023-11-19 04:17:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2363 transitions. [2023-11-19 04:17:29,997 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2363 transitions. Word has length 160 [2023-11-19 04:17:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:30,000 INFO L495 AbstractCegarLoop]: Abstraction has 1699 states and 2363 transitions. [2023-11-19 04:17:30,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:17:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2363 transitions. [2023-11-19 04:17:30,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 04:17:30,008 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:30,008 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:30,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:17:30,009 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:30,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:30,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1925135573, now seen corresponding path program 1 times [2023-11-19 04:17:30,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:30,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458755402] [2023-11-19 04:17:30,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:30,899 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 04:17:30,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:30,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458755402] [2023-11-19 04:17:30,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458755402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:30,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:30,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 04:17:30,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598808839] [2023-11-19 04:17:30,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:30,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:17:30,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:17:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:17:30,904 INFO L87 Difference]: Start difference. First operand 1699 states and 2363 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-19 04:17:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:35,275 INFO L93 Difference]: Finished difference Result 2518 states and 3517 transitions. [2023-11-19 04:17:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:17:35,276 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 161 [2023-11-19 04:17:35,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:35,277 INFO L225 Difference]: With dead ends: 2518 [2023-11-19 04:17:35,277 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:17:35,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:17:35,285 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 354 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:35,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 677 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-19 04:17:35,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:17:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:17:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:17:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:17:35,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2023-11-19 04:17:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:35,288 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:17:35,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 states have internal predecessors, (84), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-19 04:17:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:17:35,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:17:35,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:17:35,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:17:35,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:17:36,283 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6624 6628) the Hoare annotation is: true [2023-11-19 04:17:36,283 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2023-11-19 04:17:36,283 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 5677 5683) the Hoare annotation is: true [2023-11-19 04:17:36,283 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2023-11-19 04:17:36,284 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2023-11-19 04:17:36,284 INFO L899 garLoopResultBuilder]: For program point netdev_warnEXIT(lines 6609 6611) no Hoare annotation was computed. [2023-11-19 04:17:36,284 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6609 6611) the Hoare annotation is: true [2023-11-19 04:17:36,284 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2023-11-19 04:17:36,284 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2023-11-19 04:17:36,284 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6618 6620) the Hoare annotation is: true [2023-11-19 04:17:36,284 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2023-11-19 04:17:36,285 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 5684 5690) the Hoare annotation is: true [2023-11-19 04:17:36,285 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2023-11-19 04:17:36,285 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5691 5696) the Hoare annotation is: true [2023-11-19 04:17:36,285 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2023-11-19 04:17:36,285 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6655 6657) the Hoare annotation is: true [2023-11-19 04:17:36,285 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2023-11-19 04:17:36,285 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5748 5754) the Hoare annotation is: true [2023-11-19 04:17:36,285 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2023-11-19 04:17:36,286 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2023-11-19 04:17:36,286 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2023-11-19 04:17:36,286 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6621 6623) the Hoare annotation is: true [2023-11-19 04:17:36,286 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2023-11-19 04:17:36,286 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2023-11-19 04:17:36,286 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2023-11-19 04:17:36,286 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2023-11-19 04:17:36,287 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6411 6445) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,287 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2023-11-19 04:17:36,287 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2023-11-19 04:17:36,287 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2023-11-19 04:17:36,287 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2023-11-19 04:17:36,287 INFO L895 garLoopResultBuilder]: At program point L6418-2(lines 6418 6429) the Hoare annotation is: (or (and (= 0 (+ ldv_set_remove_~deleted_index~0 1)) (= ldv_set_remove_~i~1 0) (= ~last_index~0 0)) (not (= |old(~last_index~0)| 0))) [2023-11-19 04:17:36,288 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2023-11-19 04:17:36,288 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:17:36,288 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:17:36,288 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:17:36,288 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2023-11-19 04:17:36,288 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6612 6614) the Hoare annotation is: true [2023-11-19 04:17:36,288 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2023-11-19 04:17:36,288 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2023-11-19 04:17:36,288 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5624 5626) the Hoare annotation is: true [2023-11-19 04:17:36,289 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2023-11-19 04:17:36,289 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2023-11-19 04:17:36,289 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6532 6538) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,289 INFO L895 garLoopResultBuilder]: At program point L6535(line 6535) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,289 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2023-11-19 04:17:36,289 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6641 6643) the Hoare annotation is: true [2023-11-19 04:17:36,297 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2023-11-19 04:17:36,297 INFO L895 garLoopResultBuilder]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,298 INFO L895 garLoopResultBuilder]: At program point L5998(lines 5998 5999) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,298 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2023-11-19 04:17:36,299 INFO L899 garLoopResultBuilder]: For program point L5998-1(lines 5998 5999) no Hoare annotation was computed. [2023-11-19 04:17:36,302 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2023-11-19 04:17:36,303 INFO L895 garLoopResultBuilder]: At program point L5834(line 5834) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,303 INFO L899 garLoopResultBuilder]: For program point L5834-1(line 5834) no Hoare annotation was computed. [2023-11-19 04:17:36,303 INFO L895 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,303 INFO L895 garLoopResultBuilder]: At program point L5984-1(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,305 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2023-11-19 04:17:36,305 INFO L895 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,305 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2023-11-19 04:17:36,305 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2023-11-19 04:17:36,306 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2023-11-19 04:17:36,308 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2023-11-19 04:17:36,308 INFO L899 garLoopResultBuilder]: For program point L6018-2(lines 6003 6049) no Hoare annotation was computed. [2023-11-19 04:17:36,308 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2023-11-19 04:17:36,308 INFO L899 garLoopResultBuilder]: For program point L6052(lines 5942 6058) no Hoare annotation was computed. [2023-11-19 04:17:36,309 INFO L895 garLoopResultBuilder]: At program point L5986-4(line 5986) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,310 INFO L899 garLoopResultBuilder]: For program point L5953-4(lines 5953 5968) no Hoare annotation was computed. [2023-11-19 04:17:36,310 INFO L899 garLoopResultBuilder]: For program point L5986-5(line 5986) no Hoare annotation was computed. [2023-11-19 04:17:36,310 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2023-11-19 04:17:36,310 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2023-11-19 04:17:36,310 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2023-11-19 04:17:36,311 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2023-11-19 04:17:36,311 INFO L895 garLoopResultBuilder]: At program point L6021(line 6021) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,311 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2023-11-19 04:17:36,311 INFO L899 garLoopResultBuilder]: For program point L5823(lines 5823 5826) no Hoare annotation was computed. [2023-11-19 04:17:36,311 INFO L899 garLoopResultBuilder]: For program point eem_linkcmd_returnLabel#1(lines 5817 5840) no Hoare annotation was computed. [2023-11-19 04:17:36,312 INFO L895 garLoopResultBuilder]: At program point L6022(lines 6022 6023) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,312 INFO L899 garLoopResultBuilder]: For program point L6633-1(line 6633) no Hoare annotation was computed. [2023-11-19 04:17:36,312 INFO L895 garLoopResultBuilder]: At program point L6633(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,314 INFO L899 garLoopResultBuilder]: For program point L5989(line 5989) no Hoare annotation was computed. [2023-11-19 04:17:36,315 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2023-11-19 04:17:36,315 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2023-11-19 04:17:36,315 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2023-11-19 04:17:36,315 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2023-11-19 04:17:36,316 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5926 6059) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,316 INFO L895 garLoopResultBuilder]: At program point L6042(line 6042) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,316 INFO L899 garLoopResultBuilder]: For program point L5943(lines 5942 6058) no Hoare annotation was computed. [2023-11-19 04:17:36,316 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2023-11-19 04:17:36,316 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2023-11-19 04:17:36,316 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2023-11-19 04:17:36,317 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2023-11-19 04:17:36,317 INFO L895 garLoopResultBuilder]: At program point L5960(line 5960) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,317 INFO L899 garLoopResultBuilder]: For program point L6043(lines 6043 6048) no Hoare annotation was computed. [2023-11-19 04:17:36,317 INFO L895 garLoopResultBuilder]: At program point L6043-1(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,317 INFO L895 garLoopResultBuilder]: At program point L5977(line 5977) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,317 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2023-11-19 04:17:36,318 INFO L895 garLoopResultBuilder]: At program point L5978(lines 5978 5979) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,318 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2023-11-19 04:17:36,318 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2023-11-19 04:17:36,318 INFO L899 garLoopResultBuilder]: For program point L5946(lines 5946 5949) no Hoare annotation was computed. [2023-11-19 04:17:36,318 INFO L895 garLoopResultBuilder]: At program point L6045(line 6045) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,319 INFO L899 garLoopResultBuilder]: For program point L6029-3(lines 6029 6036) no Hoare annotation was computed. [2023-11-19 04:17:36,319 INFO L895 garLoopResultBuilder]: At program point L5831(line 5831) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,319 INFO L895 garLoopResultBuilder]: At program point L5831-1(lines 5821 5839) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,319 INFO L895 garLoopResultBuilder]: At program point L6029-5(lines 6029 6036) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-19 04:17:36,319 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2023-11-19 04:17:36,319 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2023-11-19 04:17:36,320 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2023-11-19 04:17:36,320 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5627 5643) the Hoare annotation is: true [2023-11-19 04:17:36,320 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2023-11-19 04:17:36,321 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2023-11-19 04:17:36,321 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2023-11-19 04:17:36,323 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2023-11-19 04:17:36,324 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2023-11-19 04:17:36,324 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2023-11-19 04:17:36,324 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6597 6599) the Hoare annotation is: true [2023-11-19 04:17:36,324 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5644 5660) the Hoare annotation is: true [2023-11-19 04:17:36,324 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2023-11-19 04:17:36,324 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2023-11-19 04:17:36,325 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2023-11-19 04:17:36,325 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2023-11-19 04:17:36,325 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2023-11-19 04:17:36,325 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6629 6631) the Hoare annotation is: true [2023-11-19 04:17:36,325 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2023-11-19 04:17:36,325 INFO L899 garLoopResultBuilder]: For program point L6229(lines 6229 6243) no Hoare annotation was computed. [2023-11-19 04:17:36,326 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2023-11-19 04:17:36,326 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2023-11-19 04:17:36,326 INFO L899 garLoopResultBuilder]: For program point L6147(lines 6135 6314) no Hoare annotation was computed. [2023-11-19 04:17:36,326 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2023-11-19 04:17:36,326 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2023-11-19 04:17:36,327 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6199(line 6199) no Hoare annotation was computed. [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2023-11-19 04:17:36,328 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2023-11-19 04:17:36,329 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2023-11-19 04:17:36,329 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2023-11-19 04:17:36,329 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2023-11-19 04:17:36,329 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2023-11-19 04:17:36,329 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2023-11-19 04:17:36,330 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2023-11-19 04:17:36,330 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2023-11-19 04:17:36,330 INFO L899 garLoopResultBuilder]: For program point L6118-1(line 6118) no Hoare annotation was computed. [2023-11-19 04:17:36,330 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2023-11-19 04:17:36,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:17:36,330 INFO L899 garLoopResultBuilder]: For program point L6268(line 6268) no Hoare annotation was computed. [2023-11-19 04:17:36,331 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2023-11-19 04:17:36,331 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2023-11-19 04:17:36,331 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-19 04:17:36,331 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2023-11-19 04:17:36,331 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2023-11-19 04:17:36,331 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2023-11-19 04:17:36,332 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2023-11-19 04:17:36,333 INFO L899 garLoopResultBuilder]: For program point L6154(line 6154) no Hoare annotation was computed. [2023-11-19 04:17:36,333 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2023-11-19 04:17:36,333 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2023-11-19 04:17:36,333 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2023-11-19 04:17:36,333 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-19 04:17:36,333 INFO L899 garLoopResultBuilder]: For program point L6584-1(lines 6577 6588) no Hoare annotation was computed. [2023-11-19 04:17:36,334 INFO L899 garLoopResultBuilder]: For program point L6138-1(line 6138) no Hoare annotation was computed. [2023-11-19 04:17:36,334 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2023-11-19 04:17:36,334 INFO L899 garLoopResultBuilder]: For program point L6221(lines 6221 6226) no Hoare annotation was computed. [2023-11-19 04:17:36,334 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2023-11-19 04:17:36,334 INFO L899 garLoopResultBuilder]: For program point L6189(line 6189) no Hoare annotation was computed. [2023-11-19 04:17:36,334 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-19 04:17:36,335 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2023-11-19 04:17:36,335 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2023-11-19 04:17:36,335 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2023-11-19 04:17:36,335 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2023-11-19 04:17:36,336 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:17:36,336 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2023-11-19 04:17:36,336 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-19 04:17:36,337 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 6135 6314) no Hoare annotation was computed. [2023-11-19 04:17:36,337 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2023-11-19 04:17:36,337 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2023-11-19 04:17:36,337 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2023-11-19 04:17:36,337 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2023-11-19 04:17:36,337 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-19 04:17:36,338 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2023-11-19 04:17:36,338 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-19 04:17:36,338 INFO L899 garLoopResultBuilder]: For program point L6109-1(line 6109) no Hoare annotation was computed. [2023-11-19 04:17:36,338 INFO L899 garLoopResultBuilder]: For program point L6291(line 6291) no Hoare annotation was computed. [2023-11-19 04:17:36,338 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-19 04:17:36,338 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2023-11-19 04:17:36,339 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2023-11-19 04:17:36,339 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2023-11-19 04:17:36,339 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2023-11-19 04:17:36,339 INFO L899 garLoopResultBuilder]: For program point L6179(line 6179) no Hoare annotation was computed. [2023-11-19 04:17:36,339 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2023-11-19 04:17:36,339 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2023-11-19 04:17:36,340 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5716 5722) the Hoare annotation is: true [2023-11-19 04:17:36,340 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2023-11-19 04:17:36,340 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2023-11-19 04:17:36,340 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2023-11-19 04:17:36,340 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2023-11-19 04:17:36,340 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2023-11-19 04:17:36,341 INFO L902 garLoopResultBuilder]: At program point L5917-4(line 5917) the Hoare annotation is: true [2023-11-19 04:17:36,341 INFO L899 garLoopResultBuilder]: For program point L5917-5(line 5917) no Hoare annotation was computed. [2023-11-19 04:17:36,341 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5860 5925) the Hoare annotation is: true [2023-11-19 04:17:36,341 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2023-11-19 04:17:36,341 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2023-11-19 04:17:36,341 INFO L899 garLoopResultBuilder]: For program point L5885(lines 5885 5902) no Hoare annotation was computed. [2023-11-19 04:17:36,342 INFO L899 garLoopResultBuilder]: For program point L5918-1(lines 5918 5922) no Hoare annotation was computed. [2023-11-19 04:17:36,342 INFO L899 garLoopResultBuilder]: For program point L5910(lines 5875 5924) no Hoare annotation was computed. [2023-11-19 04:17:36,342 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2023-11-19 04:17:36,342 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2023-11-19 04:17:36,342 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2023-11-19 04:17:36,342 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2023-11-19 04:17:36,342 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2023-11-19 04:17:36,343 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:17:36,343 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2023-11-19 04:17:36,343 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2023-11-19 04:17:36,346 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2023-11-19 04:17:36,346 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2023-11-19 04:17:36,346 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2023-11-19 04:17:36,346 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2023-11-19 04:17:36,346 INFO L899 garLoopResultBuilder]: For program point L6616-1(line 6616) no Hoare annotation was computed. [2023-11-19 04:17:36,347 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2023-11-19 04:17:36,347 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2023-11-19 04:17:36,350 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-19 04:17:36,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:17:36,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:17:36 BoogieIcfgContainer [2023-11-19 04:17:36,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:17:36,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:17:36,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:17:36,372 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:17:36,373 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:15" (3/4) ... [2023-11-19 04:17:36,375 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:17:36,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2023-11-19 04:17:36,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2023-11-19 04:17:36,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2023-11-19 04:17:36,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2023-11-19 04:17:36,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2023-11-19 04:17:36,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2023-11-19 04:17:36,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2023-11-19 04:17:36,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2023-11-19 04:17:36,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2023-11-19 04:17:36,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2023-11-19 04:17:36,383 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-19 04:17:36,419 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 204 nodes and edges [2023-11-19 04:17:36,439 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2023-11-19 04:17:36,442 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 04:17:36,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:17:36,449 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:17:36,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:17:36,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-19 04:17:36,568 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-19 04:17:36,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == (deleted_index + 1)) && (i == 0)) && (last_index == 0)) || !((\old(last_index) == 0))) [2023-11-19 04:17:36,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !((\old(last_index) == 0)) [2023-11-19 04:17:36,786 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-19 04:17:36,787 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-19 04:17:36,788 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == (deleted_index + 1)) && (i == 0)) && (last_index == 0)) || !((\old(last_index) == 0))) [2023-11-19 04:17:36,789 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !((\old(last_index) == 0)) [2023-11-19 04:17:36,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:17:36,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:17:36,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:17:36,854 INFO L158 Benchmark]: Toolchain (without parser) took 26268.73ms. Allocated memory was 132.1MB in the beginning and 331.4MB in the end (delta: 199.2MB). Free memory was 70.9MB in the beginning and 246.4MB in the end (delta: -175.5MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,854 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:36,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1665.07ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 53.8MB in the end (delta: 16.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.34ms. Allocated memory is still 132.1MB. Free memory was 53.8MB in the beginning and 45.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,856 INFO L158 Benchmark]: Boogie Preprocessor took 233.36ms. Allocated memory is still 132.1MB. Free memory was 45.8MB in the beginning and 74.5MB in the end (delta: -28.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,856 INFO L158 Benchmark]: RCFGBuilder took 3344.67ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 74.5MB in the beginning and 85.1MB in the end (delta: -10.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,857 INFO L158 Benchmark]: TraceAbstraction took 20380.84ms. Allocated memory was 232.8MB in the beginning and 331.4MB in the end (delta: 98.6MB). Free memory was 84.0MB in the beginning and 81.5MB in the end (delta: 2.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,857 INFO L158 Benchmark]: Witness Printer took 481.42ms. Allocated memory is still 331.4MB. Free memory was 81.5MB in the beginning and 246.4MB in the end (delta: -164.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-19 04:17:36,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1665.07ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 53.8MB in the end (delta: 16.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.34ms. Allocated memory is still 132.1MB. Free memory was 53.8MB in the beginning and 45.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 233.36ms. Allocated memory is still 132.1MB. Free memory was 45.8MB in the beginning and 74.5MB in the end (delta: -28.7MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3344.67ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 74.5MB in the beginning and 85.1MB in the end (delta: -10.6MB). Peak memory consumption was 94.2MB. Max. memory is 16.1GB. * TraceAbstraction took 20380.84ms. Allocated memory was 232.8MB in the beginning and 331.4MB in the end (delta: 98.6MB). Free memory was 84.0MB in the beginning and 81.5MB in the end (delta: 2.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Witness Printer took 481.42ms. Allocated memory is still 331.4MB. Free memory was 81.5MB in the beginning and 246.4MB in the end (delta: -164.9MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5489]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5681]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1260 SdHoareTripleChecker+Valid, 14.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1254 mSDsluCounter, 3457 SdHoareTripleChecker+Invalid, 14.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1974 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1462 IncrementalHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 1483 mSDtfsCounter, 1462 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1699occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 78 LocationsWithAnnotation, 2424 PreInvPairs, 2537 NumberOfFragments, 320 HoareAnnotationTreeSize, 2424 FomulaSimplifications, 100 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 78 FomulaSimplificationsInter, 3645 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 698 NumberOfCodeBlocks, 698 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 378/378 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5821]: Loop Invariant Derived loop invariant: (!((\old(last_index) == 0)) || (last_index == 0)) - InvariantResult [Line: 5716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6432]: Loop Invariant Derived loop invariant: !((\old(last_index) == 0)) - InvariantResult [Line: 6418]: Loop Invariant Derived loop invariant: ((((0 == (deleted_index + 1)) && (i == 0)) && (last_index == 0)) || !((\old(last_index) == 0))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: (!((\old(last_index) == 0)) || (last_index == 0)) - InvariantResult [Line: 5860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:17:36,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da7d1b1-e6d0-41ee-9ed2-3d2b177ddb5e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE