./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/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_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:58:41,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:58:41,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:58:41,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:58:41,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:58:41,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:58:41,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:58:41,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:58:41,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:58:41,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:58:41,672 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:58:41,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:58:41,673 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:58:41,674 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:58:41,674 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:58:41,675 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:58:41,675 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:58:41,676 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:58:41,676 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:58:41,677 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:58:41,677 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:58:41,678 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:58:41,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:58:41,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:58:41,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:58:41,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:58:41,680 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:58:41,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:58:41,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:58:41,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:58:41,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:58:41,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:58:41,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:58:41,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:41,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:58:41,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:58:41,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:58:41,684 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:58:41,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:58:41,684 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:58:41,684 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:58:41,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:58:41,685 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_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2023-11-12 00:58:41,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:58:42,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:58:42,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:58:42,018 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:58:42,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:58:42,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:58:45,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:58:45,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:58:45,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/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 [2023-11-12 00:58:45,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/data/82e73702a/54d1810a4568454e91f00fe2cf83bce6/FLAGabcf4c230 [2023-11-12 00:58:45,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/data/82e73702a/54d1810a4568454e91f00fe2cf83bce6 [2023-11-12 00:58:45,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:58:45,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:58:45,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:45,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:58:45,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:58:45,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:45" (1/1) ... [2023-11-12 00:58:45,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d09a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:45, skipping insertion in model container [2023-11-12 00:58:45,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:58:45" (1/1) ... [2023-11-12 00:58:45,947 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:58:46,644 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_3da44d5a-3206-4b81-a3aa-5d48489b6eca/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] [2023-11-12 00:58:46,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:47,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:58:47,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2023-11-12 00:58:47,196 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_3da44d5a-3206-4b81-a3aa-5d48489b6eca/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] [2023-11-12 00:58:47,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:58:47,340 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:58:47,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47 WrapperNode [2023-11-12 00:58:47,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:58:47,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:47,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:58:47,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:58:47,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,515 INFO L138 Inliner]: procedures = 125, calls = 354, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1111 [2023-11-12 00:58:47,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:58:47,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:58:47,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:58:47,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:58:47,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:58:47,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:58:47,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:58:47,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:58:47,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (1/1) ... [2023-11-12 00:58:47,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:58:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:58:47,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:58:47,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:58:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:58:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:58:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:58:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:58:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:58:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:58:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 00:58:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 00:58:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 00:58:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 00:58:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2023-11-12 00:58:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2023-11-12 00:58:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2023-11-12 00:58:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2023-11-12 00:58:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:58:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:58:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2023-11-12 00:58:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2023-11-12 00:58:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:58:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:58:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:58:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 00:58:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 00:58:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:58:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:58:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-12 00:58:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-12 00:58:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:58:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:58:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:58:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:58:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2023-11-12 00:58:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2023-11-12 00:58:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:58:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:58:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:58:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 00:58:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 00:58:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:58:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:58:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:58:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:58:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2023-11-12 00:58:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2023-11-12 00:58:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-12 00:58:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-12 00:58:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:58:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:58:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:58:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:58:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:58:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:58:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:58:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:58:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:58:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:58:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:58:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:58:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2023-11-12 00:58:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2023-11-12 00:58:48,294 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:58:48,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:58:48,383 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:58:50,497 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:58:51,008 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:58:51,009 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:58:51,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:51 BoogieIcfgContainer [2023-11-12 00:58:51,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:58:51,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:58:51,017 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:58:51,020 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:58:51,021 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:58:45" (1/3) ... [2023-11-12 00:58:51,023 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbabadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:51, skipping insertion in model container [2023-11-12 00:58:51,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:58:47" (2/3) ... [2023-11-12 00:58:51,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbabadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:58:51, skipping insertion in model container [2023-11-12 00:58:51,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:51" (3/3) ... [2023-11-12 00:58:51,025 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 [2023-11-12 00:58:51,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:58:51,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:58:51,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:58:51,138 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;@65ba2011, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:58:51,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:58:51,145 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) [2023-11-12 00:58:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:58:51,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:51,159 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] [2023-11-12 00:58:51,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:51,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:51,175 INFO L85 PathProgramCache]: Analyzing trace with hash 68938797, now seen corresponding path program 1 times [2023-11-12 00:58:51,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:51,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752043192] [2023-11-12 00:58:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:51,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:58:52,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:52,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752043192] [2023-11-12 00:58:52,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752043192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:52,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:52,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547224680] [2023-11-12 00:58:52,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:52,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:58:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:52,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:58:52,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:52,088 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) [2023-11-12 00:58:53,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:53,863 INFO L93 Difference]: Finished difference Result 638 states and 914 transitions. [2023-11-12 00:58:53,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:58:53,866 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 [2023-11-12 00:58:53,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:53,882 INFO L225 Difference]: With dead ends: 638 [2023-11-12 00:58:53,883 INFO L226 Difference]: Without dead ends: 412 [2023-11-12 00:58:53,892 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 [2023-11-12 00:58:53,902 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 277 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:53,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 522 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-12 00:58:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-12 00:58:54,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2023-11-12 00:58:54,036 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) [2023-11-12 00:58:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 574 transitions. [2023-11-12 00:58:54,046 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 574 transitions. Word has length 33 [2023-11-12 00:58:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:54,046 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 574 transitions. [2023-11-12 00:58:54,047 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) [2023-11-12 00:58:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 574 transitions. [2023-11-12 00:58:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-12 00:58:54,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:54,057 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] [2023-11-12 00:58:54,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:58:54,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:54,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:54,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1930197573, now seen corresponding path program 1 times [2023-11-12 00:58:54,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075949953] [2023-11-12 00:58:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-12 00:58:54,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:54,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075949953] [2023-11-12 00:58:54,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075949953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:54,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:54,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:58:54,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751542411] [2023-11-12 00:58:54,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:54,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:58:54,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:54,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:58:54,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:58:54,500 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) [2023-11-12 00:58:55,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:55,973 INFO L93 Difference]: Finished difference Result 812 states and 1140 transitions. [2023-11-12 00:58:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:58:55,974 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 [2023-11-12 00:58:55,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:55,983 INFO L225 Difference]: With dead ends: 812 [2023-11-12 00:58:55,983 INFO L226 Difference]: Without dead ends: 807 [2023-11-12 00:58:55,988 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 [2023-11-12 00:58:55,990 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 283 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:55,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 744 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-12 00:58:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2023-11-12 00:58:56,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 801. [2023-11-12 00:58:56,055 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) [2023-11-12 00:58:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1125 transitions. [2023-11-12 00:58:56,063 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1125 transitions. Word has length 42 [2023-11-12 00:58:56,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:56,064 INFO L495 AbstractCegarLoop]: Abstraction has 801 states and 1125 transitions. [2023-11-12 00:58:56,064 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) [2023-11-12 00:58:56,065 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1125 transitions. [2023-11-12 00:58:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-12 00:58:56,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:56,073 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] [2023-11-12 00:58:56,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:58:56,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:56,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:56,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1842390563, now seen corresponding path program 1 times [2023-11-12 00:58:56,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:56,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691901245] [2023-11-12 00:58:56,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:56,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-12 00:58:56,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:56,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691901245] [2023-11-12 00:58:56,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691901245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:56,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:56,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:56,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50362596] [2023-11-12 00:58:56,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:56,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:58:56,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:58:56,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:56,484 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) [2023-11-12 00:58:57,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:57,397 INFO L93 Difference]: Finished difference Result 1747 states and 2460 transitions. [2023-11-12 00:58:57,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:58:57,398 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 [2023-11-12 00:58:57,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:57,406 INFO L225 Difference]: With dead ends: 1747 [2023-11-12 00:58:57,406 INFO L226 Difference]: Without dead ends: 958 [2023-11-12 00:58:57,410 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 [2023-11-12 00:58:57,411 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:57,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 485 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-12 00:58:57,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-11-12 00:58:57,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 953. [2023-11-12 00:58:57,469 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) [2023-11-12 00:58:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1343 transitions. [2023-11-12 00:58:57,478 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1343 transitions. Word has length 142 [2023-11-12 00:58:57,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:57,479 INFO L495 AbstractCegarLoop]: Abstraction has 953 states and 1343 transitions. [2023-11-12 00:58:57,479 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) [2023-11-12 00:58:57,479 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1343 transitions. [2023-11-12 00:58:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:58:57,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:57,485 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] [2023-11-12 00:58:57,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:58:57,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:57,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:57,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1350358318, now seen corresponding path program 1 times [2023-11-12 00:58:57,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:57,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692516331] [2023-11-12 00:58:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:57,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-12 00:58:57,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:57,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692516331] [2023-11-12 00:58:57,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692516331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:57,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:57,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:57,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381188758] [2023-11-12 00:58:57,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:57,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:58:57,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:57,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:58:57,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:57,792 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) [2023-11-12 00:58:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:58:59,046 INFO L93 Difference]: Finished difference Result 2621 states and 3690 transitions. [2023-11-12 00:58:59,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:58:59,047 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 [2023-11-12 00:58:59,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:58:59,059 INFO L225 Difference]: With dead ends: 2621 [2023-11-12 00:58:59,059 INFO L226 Difference]: Without dead ends: 1688 [2023-11-12 00:58:59,063 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 [2023-11-12 00:58:59,065 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 261 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:58:59,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 529 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-12 00:58:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2023-11-12 00:58:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1683. [2023-11-12 00:58:59,171 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) [2023-11-12 00:58:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2347 transitions. [2023-11-12 00:58:59,185 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2347 transitions. Word has length 160 [2023-11-12 00:58:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:58:59,186 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 2347 transitions. [2023-11-12 00:58:59,187 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) [2023-11-12 00:58:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2347 transitions. [2023-11-12 00:58:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 00:58:59,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:58:59,195 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] [2023-11-12 00:58:59,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:58:59,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:58:59,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:58:59,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1527359816, now seen corresponding path program 1 times [2023-11-12 00:58:59,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:58:59,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968776224] [2023-11-12 00:58:59,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:58:59,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:58:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:58:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:58:59,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:58:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968776224] [2023-11-12 00:58:59,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968776224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:58:59,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:58:59,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:58:59,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911403429] [2023-11-12 00:58:59,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:58:59,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:58:59,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:58:59,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:58:59,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:58:59,584 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) [2023-11-12 00:59:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:01,474 INFO L93 Difference]: Finished difference Result 2539 states and 3564 transitions. [2023-11-12 00:59:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:59:01,475 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 [2023-11-12 00:59:01,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:01,487 INFO L225 Difference]: With dead ends: 2539 [2023-11-12 00:59:01,487 INFO L226 Difference]: Without dead ends: 1699 [2023-11-12 00:59:01,491 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 [2023-11-12 00:59:01,492 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 4 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:01,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 500 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-12 00:59:01,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2023-11-12 00:59:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1699. [2023-11-12 00:59:01,593 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) [2023-11-12 00:59:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2363 transitions. [2023-11-12 00:59:01,606 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2363 transitions. Word has length 160 [2023-11-12 00:59:01,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:01,607 INFO L495 AbstractCegarLoop]: Abstraction has 1699 states and 2363 transitions. [2023-11-12 00:59:01,607 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) [2023-11-12 00:59:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2363 transitions. [2023-11-12 00:59:01,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:59:01,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:59:01,613 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] [2023-11-12 00:59:01,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:59:01,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:59:01,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:59:01,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1925135573, now seen corresponding path program 1 times [2023-11-12 00:59:01,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:59:01,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539989013] [2023-11-12 00:59:01,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:59:01,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:59:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:59:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 00:59:02,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:59:02,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539989013] [2023-11-12 00:59:02,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539989013] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:59:02,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:59:02,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 00:59:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083842298] [2023-11-12 00:59:02,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:59:02,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 00:59:02,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:59:02,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 00:59:02,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:59:02,456 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) [2023-11-12 00:59:03,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:59:07,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:59:07,641 INFO L93 Difference]: Finished difference Result 2518 states and 3517 transitions. [2023-11-12 00:59:07,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 00:59:07,642 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 [2023-11-12 00:59:07,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:59:07,643 INFO L225 Difference]: With dead ends: 2518 [2023-11-12 00:59:07,643 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:59:07,650 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 [2023-11-12 00:59:07,651 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 354 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 5.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:59:07,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 677 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-12 00:59:07,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:59:07,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:59:07,652 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) [2023-11-12 00:59:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:59:07,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2023-11-12 00:59:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:59:07,653 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:59:07,654 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) [2023-11-12 00:59:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:59:07,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:59:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:59:07,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:59:07,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:59:08,737 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6624 6628) the Hoare annotation is: true [2023-11-12 00:59:08,738 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2023-11-12 00:59:08,738 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 5677 5683) the Hoare annotation is: true [2023-11-12 00:59:08,738 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2023-11-12 00:59:08,738 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2023-11-12 00:59:08,738 INFO L899 garLoopResultBuilder]: For program point netdev_warnEXIT(lines 6609 6611) no Hoare annotation was computed. [2023-11-12 00:59:08,738 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6609 6611) the Hoare annotation is: true [2023-11-12 00:59:08,738 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2023-11-12 00:59:08,738 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2023-11-12 00:59:08,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6618 6620) the Hoare annotation is: true [2023-11-12 00:59:08,739 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2023-11-12 00:59:08,739 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 5684 5690) the Hoare annotation is: true [2023-11-12 00:59:08,739 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2023-11-12 00:59:08,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5691 5696) the Hoare annotation is: true [2023-11-12 00:59:08,739 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2023-11-12 00:59:08,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6655 6657) the Hoare annotation is: true [2023-11-12 00:59:08,739 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2023-11-12 00:59:08,739 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5748 5754) the Hoare annotation is: true [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2023-11-12 00:59:08,740 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2023-11-12 00:59:08,740 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6621 6623) the Hoare annotation is: true [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2023-11-12 00:59:08,740 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2023-11-12 00:59:08,741 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)) [2023-11-12 00:59:08,741 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2023-11-12 00:59:08,741 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2023-11-12 00:59:08,741 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2023-11-12 00:59:08,741 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2023-11-12 00:59:08,741 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))) [2023-11-12 00:59:08,741 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2023-11-12 00:59:08,741 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:59:08,742 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-12 00:59:08,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-12 00:59:08,742 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2023-11-12 00:59:08,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6612 6614) the Hoare annotation is: true [2023-11-12 00:59:08,742 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2023-11-12 00:59:08,742 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2023-11-12 00:59:08,742 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5624 5626) the Hoare annotation is: true [2023-11-12 00:59:08,742 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2023-11-12 00:59:08,742 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2023-11-12 00:59:08,743 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)) [2023-11-12 00:59:08,743 INFO L895 garLoopResultBuilder]: At program point L6535(line 6535) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,743 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2023-11-12 00:59:08,743 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6641 6643) the Hoare annotation is: true [2023-11-12 00:59:08,743 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2023-11-12 00:59:08,743 INFO L895 garLoopResultBuilder]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,743 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)) [2023-11-12 00:59:08,743 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2023-11-12 00:59:08,743 INFO L899 garLoopResultBuilder]: For program point L5998-1(lines 5998 5999) no Hoare annotation was computed. [2023-11-12 00:59:08,744 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2023-11-12 00:59:08,744 INFO L895 garLoopResultBuilder]: At program point L5834(line 5834) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,744 INFO L899 garLoopResultBuilder]: For program point L5834-1(line 5834) no Hoare annotation was computed. [2023-11-12 00:59:08,750 INFO L895 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,750 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)) [2023-11-12 00:59:08,751 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2023-11-12 00:59:08,751 INFO L895 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,751 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2023-11-12 00:59:08,751 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2023-11-12 00:59:08,751 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2023-11-12 00:59:08,751 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2023-11-12 00:59:08,753 INFO L899 garLoopResultBuilder]: For program point L6018-2(lines 6003 6049) no Hoare annotation was computed. [2023-11-12 00:59:08,753 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2023-11-12 00:59:08,753 INFO L899 garLoopResultBuilder]: For program point L6052(lines 5942 6058) no Hoare annotation was computed. [2023-11-12 00:59:08,755 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)) [2023-11-12 00:59:08,755 INFO L899 garLoopResultBuilder]: For program point L5953-4(lines 5953 5968) no Hoare annotation was computed. [2023-11-12 00:59:08,755 INFO L899 garLoopResultBuilder]: For program point L5986-5(line 5986) no Hoare annotation was computed. [2023-11-12 00:59:08,755 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2023-11-12 00:59:08,755 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2023-11-12 00:59:08,756 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2023-11-12 00:59:08,756 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2023-11-12 00:59:08,756 INFO L895 garLoopResultBuilder]: At program point L6021(line 6021) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,756 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2023-11-12 00:59:08,757 INFO L899 garLoopResultBuilder]: For program point L5823(lines 5823 5826) no Hoare annotation was computed. [2023-11-12 00:59:08,757 INFO L899 garLoopResultBuilder]: For program point eem_linkcmd_returnLabel#1(lines 5817 5840) no Hoare annotation was computed. [2023-11-12 00:59:08,757 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)) [2023-11-12 00:59:08,757 INFO L899 garLoopResultBuilder]: For program point L6633-1(line 6633) no Hoare annotation was computed. [2023-11-12 00:59:08,758 INFO L895 garLoopResultBuilder]: At program point L6633(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,758 INFO L899 garLoopResultBuilder]: For program point L5989(line 5989) no Hoare annotation was computed. [2023-11-12 00:59:08,758 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2023-11-12 00:59:08,758 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2023-11-12 00:59:08,758 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2023-11-12 00:59:08,759 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2023-11-12 00:59:08,759 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)) [2023-11-12 00:59:08,759 INFO L895 garLoopResultBuilder]: At program point L6042(line 6042) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,759 INFO L899 garLoopResultBuilder]: For program point L5943(lines 5942 6058) no Hoare annotation was computed. [2023-11-12 00:59:08,759 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2023-11-12 00:59:08,759 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2023-11-12 00:59:08,760 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2023-11-12 00:59:08,760 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2023-11-12 00:59:08,761 INFO L895 garLoopResultBuilder]: At program point L5960(line 5960) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,761 INFO L899 garLoopResultBuilder]: For program point L6043(lines 6043 6048) no Hoare annotation was computed. [2023-11-12 00:59:08,761 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)) [2023-11-12 00:59:08,761 INFO L895 garLoopResultBuilder]: At program point L5977(line 5977) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,762 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2023-11-12 00:59:08,762 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)) [2023-11-12 00:59:08,762 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2023-11-12 00:59:08,762 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2023-11-12 00:59:08,762 INFO L899 garLoopResultBuilder]: For program point L5946(lines 5946 5949) no Hoare annotation was computed. [2023-11-12 00:59:08,762 INFO L895 garLoopResultBuilder]: At program point L6045(line 6045) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,763 INFO L899 garLoopResultBuilder]: For program point L6029-3(lines 6029 6036) no Hoare annotation was computed. [2023-11-12 00:59:08,763 INFO L895 garLoopResultBuilder]: At program point L5831(line 5831) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= ~last_index~0 0)) [2023-11-12 00:59:08,763 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)) [2023-11-12 00:59:08,763 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)) [2023-11-12 00:59:08,763 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2023-11-12 00:59:08,763 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2023-11-12 00:59:08,764 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2023-11-12 00:59:08,764 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5627 5643) the Hoare annotation is: true [2023-11-12 00:59:08,764 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2023-11-12 00:59:08,764 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2023-11-12 00:59:08,764 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2023-11-12 00:59:08,764 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2023-11-12 00:59:08,765 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2023-11-12 00:59:08,768 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2023-11-12 00:59:08,769 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6597 6599) the Hoare annotation is: true [2023-11-12 00:59:08,769 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5644 5660) the Hoare annotation is: true [2023-11-12 00:59:08,770 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2023-11-12 00:59:08,771 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2023-11-12 00:59:08,771 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2023-11-12 00:59:08,771 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2023-11-12 00:59:08,771 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2023-11-12 00:59:08,771 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6629 6631) the Hoare annotation is: true [2023-11-12 00:59:08,771 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2023-11-12 00:59:08,772 INFO L899 garLoopResultBuilder]: For program point L6229(lines 6229 6243) no Hoare annotation was computed. [2023-11-12 00:59:08,772 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2023-11-12 00:59:08,772 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2023-11-12 00:59:08,772 INFO L899 garLoopResultBuilder]: For program point L6147(lines 6135 6314) no Hoare annotation was computed. [2023-11-12 00:59:08,772 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2023-11-12 00:59:08,772 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2023-11-12 00:59:08,773 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-12 00:59:08,774 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2023-11-12 00:59:08,774 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2023-11-12 00:59:08,774 INFO L899 garLoopResultBuilder]: For program point L6199(line 6199) no Hoare annotation was computed. [2023-11-12 00:59:08,774 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2023-11-12 00:59:08,774 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2023-11-12 00:59:08,775 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2023-11-12 00:59:08,775 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2023-11-12 00:59:08,775 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2023-11-12 00:59:08,775 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2023-11-12 00:59:08,776 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2023-11-12 00:59:08,776 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2023-11-12 00:59:08,776 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2023-11-12 00:59:08,776 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2023-11-12 00:59:08,776 INFO L899 garLoopResultBuilder]: For program point L6118-1(line 6118) no Hoare annotation was computed. [2023-11-12 00:59:08,776 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2023-11-12 00:59:08,777 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:59:08,777 INFO L899 garLoopResultBuilder]: For program point L6268(line 6268) no Hoare annotation was computed. [2023-11-12 00:59:08,777 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2023-11-12 00:59:08,777 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2023-11-12 00:59:08,777 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-12 00:59:08,777 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2023-11-12 00:59:08,778 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2023-11-12 00:59:08,778 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2023-11-12 00:59:08,778 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2023-11-12 00:59:08,779 INFO L899 garLoopResultBuilder]: For program point L6154(line 6154) no Hoare annotation was computed. [2023-11-12 00:59:08,779 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2023-11-12 00:59:08,779 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2023-11-12 00:59:08,779 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2023-11-12 00:59:08,779 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-12 00:59:08,780 INFO L899 garLoopResultBuilder]: For program point L6584-1(lines 6577 6588) no Hoare annotation was computed. [2023-11-12 00:59:08,780 INFO L899 garLoopResultBuilder]: For program point L6138-1(line 6138) no Hoare annotation was computed. [2023-11-12 00:59:08,780 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2023-11-12 00:59:08,780 INFO L899 garLoopResultBuilder]: For program point L6221(lines 6221 6226) no Hoare annotation was computed. [2023-11-12 00:59:08,780 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2023-11-12 00:59:08,780 INFO L899 garLoopResultBuilder]: For program point L6189(line 6189) no Hoare annotation was computed. [2023-11-12 00:59:08,781 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-12 00:59:08,781 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2023-11-12 00:59:08,781 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2023-11-12 00:59:08,781 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2023-11-12 00:59:08,782 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2023-11-12 00:59:08,782 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:59:08,782 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2023-11-12 00:59:08,783 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-12 00:59:08,783 INFO L899 garLoopResultBuilder]: For program point main_ldv_final#1(lines 6135 6314) no Hoare annotation was computed. [2023-11-12 00:59:08,785 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2023-11-12 00:59:08,785 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2023-11-12 00:59:08,785 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2023-11-12 00:59:08,786 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2023-11-12 00:59:08,786 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2023-11-12 00:59:08,786 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2023-11-12 00:59:08,786 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-12 00:59:08,787 INFO L899 garLoopResultBuilder]: For program point L6109-1(line 6109) no Hoare annotation was computed. [2023-11-12 00:59:08,787 INFO L899 garLoopResultBuilder]: For program point L6291(line 6291) no Hoare annotation was computed. [2023-11-12 00:59:08,788 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2023-11-12 00:59:08,788 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2023-11-12 00:59:08,788 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2023-11-12 00:59:08,788 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2023-11-12 00:59:08,788 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2023-11-12 00:59:08,789 INFO L899 garLoopResultBuilder]: For program point L6179(line 6179) no Hoare annotation was computed. [2023-11-12 00:59:08,789 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2023-11-12 00:59:08,789 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2023-11-12 00:59:08,789 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5716 5722) the Hoare annotation is: true [2023-11-12 00:59:08,789 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2023-11-12 00:59:08,789 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2023-11-12 00:59:08,790 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2023-11-12 00:59:08,790 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2023-11-12 00:59:08,790 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2023-11-12 00:59:08,790 INFO L902 garLoopResultBuilder]: At program point L5917-4(line 5917) the Hoare annotation is: true [2023-11-12 00:59:08,790 INFO L899 garLoopResultBuilder]: For program point L5917-5(line 5917) no Hoare annotation was computed. [2023-11-12 00:59:08,790 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5860 5925) the Hoare annotation is: true [2023-11-12 00:59:08,790 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5885(lines 5885 5902) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5918-1(lines 5918 5922) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5910(lines 5875 5924) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2023-11-12 00:59:08,791 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2023-11-12 00:59:08,791 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2023-11-12 00:59:08,792 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2023-11-12 00:59:08,792 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2023-11-12 00:59:08,792 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-12 00:59:08,792 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2023-11-12 00:59:08,792 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2023-11-12 00:59:08,792 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2023-11-12 00:59:08,793 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2023-11-12 00:59:08,795 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2023-11-12 00:59:08,795 INFO L899 garLoopResultBuilder]: For program point L5913-1(line 5913) no Hoare annotation was computed. [2023-11-12 00:59:08,795 INFO L899 garLoopResultBuilder]: For program point L6616-1(line 6616) no Hoare annotation was computed. [2023-11-12 00:59:08,796 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2023-11-12 00:59:08,796 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2023-11-12 00:59:08,798 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 00:59:08,801 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:59:08,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:59:08 BoogieIcfgContainer [2023-11-12 00:59:08,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:59:08,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:59:08,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:59:08,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:59:08,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:58:51" (3/4) ... [2023-11-12 00:59:08,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:59:08,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2023-11-12 00:59:08,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2023-11-12 00:59:08,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2023-11-12 00:59:08,825 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2023-11-12 00:59:08,826 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2023-11-12 00:59:08,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2023-11-12 00:59:08,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2023-11-12 00:59:08,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2023-11-12 00:59:08,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2023-11-12 00:59:08,865 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 204 nodes and edges [2023-11-12 00:59:08,868 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2023-11-12 00:59:08,872 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:59:08,875 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 00:59:08,878 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:59:08,881 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:59:08,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-12 00:59:08,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-12 00:59:08,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == (deleted_index + 1)) && (i == 0)) && (last_index == 0)) || !((\old(last_index) == 0))) [2023-11-12 00:59:08,925 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !((\old(last_index) == 0)) [2023-11-12 00:59:09,114 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-12 00:59:09,114 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(last_index) == 0)) || (last_index == 0)) [2023-11-12 00:59:09,115 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == (deleted_index + 1)) && (i == 0)) && (last_index == 0)) || !((\old(last_index) == 0))) [2023-11-12 00:59:09,116 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !((\old(last_index) == 0)) [2023-11-12 00:59:09,162 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:59:09,163 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:59:09,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:59:09,164 INFO L158 Benchmark]: Toolchain (without parser) took 23385.12ms. Allocated memory was 134.2MB in the beginning and 325.1MB in the end (delta: 190.8MB). Free memory was 83.5MB in the beginning and 249.0MB in the end (delta: -165.5MB). Peak memory consumption was 189.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,165 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:09,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1559.18ms. Allocated memory is still 134.2MB. Free memory was 83.2MB in the beginning and 57.7MB in the end (delta: 25.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.43ms. Allocated memory is still 134.2MB. Free memory was 57.1MB in the beginning and 49.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,170 INFO L158 Benchmark]: Boogie Preprocessor took 231.53ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 49.3MB in the beginning and 121.6MB in the end (delta: -72.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,175 INFO L158 Benchmark]: RCFGBuilder took 3254.14ms. Allocated memory is still 178.3MB. Free memory was 121.6MB in the beginning and 41.5MB in the end (delta: 80.1MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,176 INFO L158 Benchmark]: TraceAbstraction took 17801.24ms. Allocated memory was 178.3MB in the beginning and 325.1MB in the end (delta: 146.8MB). Free memory was 41.5MB in the beginning and 105.3MB in the end (delta: -63.8MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,176 INFO L158 Benchmark]: Witness Printer took 344.60ms. Allocated memory is still 325.1MB. Free memory was 105.3MB in the beginning and 249.0MB in the end (delta: -143.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:59:09,179 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 134.2MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1559.18ms. Allocated memory is still 134.2MB. Free memory was 83.2MB in the beginning and 57.7MB in the end (delta: 25.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.43ms. Allocated memory is still 134.2MB. Free memory was 57.1MB in the beginning and 49.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 231.53ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 49.3MB in the beginning and 121.6MB in the end (delta: -72.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3254.14ms. Allocated memory is still 178.3MB. Free memory was 121.6MB in the beginning and 41.5MB in the end (delta: 80.1MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17801.24ms. Allocated memory was 178.3MB in the beginning and 325.1MB in the end (delta: 146.8MB). Free memory was 41.5MB in the beginning and 105.3MB in the end (delta: -63.8MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. * Witness Printer took 344.60ms. Allocated memory is still 325.1MB. Free memory was 105.3MB in the beginning and 249.0MB in the end (delta: -143.7MB). Peak memory consumption was 18.9MB. 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: 17.7s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1260 SdHoareTripleChecker+Valid, 11.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1254 mSDsluCounter, 3457 SdHoareTripleChecker+Invalid, 11.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1974 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1463 IncrementalHoareTripleChecker+Invalid, 1632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 1483 mSDtfsCounter, 1463 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 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: 0.5s 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, 0.5s SatisfiabilityAnalysisTime, 1.8s 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! [2023-11-12 00:59:09,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3da44d5a-3206-4b81-a3aa-5d48489b6eca/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE