./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire --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 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:01,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:01,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:20:01,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:01,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:01,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:01,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:01,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:01,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:01,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:01,672 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:01,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:01,674 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:01,676 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:20:01,676 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:01,677 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:01,678 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:20:01,678 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:20:01,679 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:01,679 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:20:01,680 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:20:01,681 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:20:01,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:01,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:01,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:20:01,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:01,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:01,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:01,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:01,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:01,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:01,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:01,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:01,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:01,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:01,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:01,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:01,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:01,690 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:01,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:01,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:01,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:01,692 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:01,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:01,693 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_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2023-11-23 21:20:02,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:02,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:02,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:02,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:02,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:02,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:20:05,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:06,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:06,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:20:06,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/data/a92d95a17/b010a902482f47579ca4ea90381a6f0a/FLAGe67e5855f [2023-11-23 21:20:06,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/data/a92d95a17/b010a902482f47579ca4ea90381a6f0a [2023-11-23 21:20:06,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:06,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:06,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:06,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:06,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:06,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:06" (1/1) ... [2023-11-23 21:20:06,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f62f739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:06, skipping insertion in model container [2023-11-23 21:20:06,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:06" (1/1) ... [2023-11-23 21:20:06,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:09,004 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_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2023-11-23 21:20:09,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:09,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:09,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [4015] [2023-11-23 21:20:09,625 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_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2023-11-23 21:20:09,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:09,752 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:20:09,759 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:09,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09 WrapperNode [2023-11-23 21:20:09,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:09,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:09,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:09,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:09,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:09,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,178 INFO L138 Inliner]: procedures = 257, calls = 1850, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 5319 [2023-11-23 21:20:10,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:10,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:10,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:10,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:10,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:10,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:10,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:10,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:10,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (1/1) ... [2023-11-23 21:20:10,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:10,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:10,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:10,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708b6f5d-8ee7-47e2-bee0-0d77ab0c676c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:10,600 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:20:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:20:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:20:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:20:10,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:20:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:20:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:20:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:20:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2023-11-23 21:20:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2023-11-23 21:20:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2023-11-23 21:20:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2023-11-23 21:20:10,602 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2023-11-23 21:20:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2023-11-23 21:20:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2023-11-23 21:20:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2023-11-23 21:20:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-23 21:20:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-23 21:20:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 21:20:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 21:20:10,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:20:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:20:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-23 21:20:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-23 21:20:10,610 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:20:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:20:10,611 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2023-11-23 21:20:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2023-11-23 21:20:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:20:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:20:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:20:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:20:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:20:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:20:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2023-11-23 21:20:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2023-11-23 21:20:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2023-11-23 21:20:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2023-11-23 21:20:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:20:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:20:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2023-11-23 21:20:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2023-11-23 21:20:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:20:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 21:20:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2023-11-23 21:20:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2023-11-23 21:20:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2023-11-23 21:20:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2023-11-23 21:20:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2023-11-23 21:20:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2023-11-23 21:20:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:20:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-11-23 21:20:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-11-23 21:20:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:20:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:20:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-23 21:20:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-23 21:20:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:20:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2023-11-23 21:20:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2023-11-23 21:20:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:20:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:20:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2023-11-23 21:20:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2023-11-23 21:20:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2023-11-23 21:20:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2023-11-23 21:20:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2023-11-23 21:20:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2023-11-23 21:20:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-23 21:20:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-23 21:20:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:20:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:20:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:20:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:20:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:20:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:20:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 21:20:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 21:20:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:20:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:20:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2023-11-23 21:20:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2023-11-23 21:20:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:20:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:20:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:20:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:20:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2023-11-23 21:20:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2023-11-23 21:20:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 21:20:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 21:20:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2023-11-23 21:20:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2023-11-23 21:20:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2023-11-23 21:20:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2023-11-23 21:20:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:20:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:20:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:20:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2023-11-23 21:20:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2023-11-23 21:20:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:20:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:20:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:20:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2023-11-23 21:20:10,636 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2023-11-23 21:20:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 21:20:10,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 21:20:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-23 21:20:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-23 21:20:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:20:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2023-11-23 21:20:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2023-11-23 21:20:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-23 21:20:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-23 21:20:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:20:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:20:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 21:20:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 21:20:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2023-11-23 21:20:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2023-11-23 21:20:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 21:20:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 21:20:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:20:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:20:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 21:20:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 21:20:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:20:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2023-11-23 21:20:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2023-11-23 21:20:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-11-23 21:20:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-11-23 21:20:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2023-11-23 21:20:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2023-11-23 21:20:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:20:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:20:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2023-11-23 21:20:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2023-11-23 21:20:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:20:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:20:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:20:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2023-11-23 21:20:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2023-11-23 21:20:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2023-11-23 21:20:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2023-11-23 21:20:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:20:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:20:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 21:20:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 21:20:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-11-23 21:20:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-11-23 21:20:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2023-11-23 21:20:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2023-11-23 21:20:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2023-11-23 21:20:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2023-11-23 21:20:10,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2023-11-23 21:20:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:20:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2023-11-23 21:20:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:20:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2023-11-23 21:20:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2023-11-23 21:20:10,735 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2023-11-23 21:20:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 21:20:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:20:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2023-11-23 21:20:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-23 21:20:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2023-11-23 21:20:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2023-11-23 21:20:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:20:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:20:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2023-11-23 21:20:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-23 21:20:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-23 21:20:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:20:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2023-11-23 21:20:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-23 21:20:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:20:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-23 21:20:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-23 21:20:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2023-11-23 21:20:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2023-11-23 21:20:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 21:20:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 21:20:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2023-11-23 21:20:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2023-11-23 21:20:10,739 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2023-11-23 21:20:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2023-11-23 21:20:10,745 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 21:20:10,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:11,531 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:11,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:14,115 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:20:18,873 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:22,852 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:22,852 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:22,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:22 BoogieIcfgContainer [2023-11-23 21:20:22,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:22,860 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:22,860 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:22,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:22,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:06" (1/3) ... [2023-11-23 21:20:22,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4aa7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:22, skipping insertion in model container [2023-11-23 21:20:22,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:09" (2/3) ... [2023-11-23 21:20:22,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4aa7bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:22, skipping insertion in model container [2023-11-23 21:20:22,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:22" (3/3) ... [2023-11-23 21:20:22,871 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:20:22,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:22,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:23,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:23,042 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;@5c1f1784, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:23,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:23,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 1319 states, 805 states have (on average 1.3801242236024844) internal successors, (1111), 870 states have internal predecessors, (1111), 416 states have call successors, (416), 97 states have call predecessors, (416), 96 states have return successors, (407), 381 states have call predecessors, (407), 407 states have call successors, (407) [2023-11-23 21:20:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:20:23,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:23,114 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-23 21:20:23,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:23,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1273704598, now seen corresponding path program 1 times [2023-11-23 21:20:23,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:23,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584241719] [2023-11-23 21:20:23,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:20:24,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:24,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584241719] [2023-11-23 21:20:24,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584241719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:24,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:24,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:24,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567867831] [2023-11-23 21:20:24,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:24,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:24,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:24,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:24,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:24,536 INFO L87 Difference]: Start difference. First operand has 1319 states, 805 states have (on average 1.3801242236024844) internal successors, (1111), 870 states have internal predecessors, (1111), 416 states have call successors, (416), 97 states have call predecessors, (416), 96 states have return successors, (407), 381 states have call predecessors, (407), 407 states have call successors, (407) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:20:26,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:30,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:32,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:34,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:36,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:38,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:38,503 INFO L93 Difference]: Finished difference Result 2451 states and 3632 transitions. [2023-11-23 21:20:38,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:38,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 107 [2023-11-23 21:20:38,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:38,567 INFO L225 Difference]: With dead ends: 2451 [2023-11-23 21:20:38,567 INFO L226 Difference]: Without dead ends: 2413 [2023-11-23 21:20:38,576 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 [2023-11-23 21:20:38,579 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 1622 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:38,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 3477 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 378 Invalid, 5 Unknown, 0 Unchecked, 13.7s Time] [2023-11-23 21:20:38,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2023-11-23 21:20:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2402. [2023-11-23 21:20:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2402 states, 1484 states have (on average 1.3773584905660377) internal successors, (2044), 1591 states have internal predecessors, (2044), 739 states have call successors, (739), 181 states have call predecessors, (739), 178 states have return successors, (761), 676 states have call predecessors, (761), 734 states have call successors, (761) [2023-11-23 21:20:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3544 transitions. [2023-11-23 21:20:38,912 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3544 transitions. Word has length 107 [2023-11-23 21:20:38,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:38,918 INFO L495 AbstractCegarLoop]: Abstraction has 2402 states and 3544 transitions. [2023-11-23 21:20:38,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:20:38,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3544 transitions. [2023-11-23 21:20:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-23 21:20:38,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:38,934 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-23 21:20:38,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:20:38,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:38,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash -830728322, now seen corresponding path program 1 times [2023-11-23 21:20:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:38,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130005498] [2023-11-23 21:20:38,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:20:39,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:39,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130005498] [2023-11-23 21:20:39,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130005498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:39,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:39,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:39,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225645240] [2023-11-23 21:20:39,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:39,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:39,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:39,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:39,632 INFO L87 Difference]: Start difference. First operand 2402 states and 3544 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:20:42,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:45,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:47,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-23 21:20:50,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:52,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:53,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:53,962 INFO L93 Difference]: Finished difference Result 4871 states and 7140 transitions. [2023-11-23 21:20:53,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:53,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2023-11-23 21:20:53,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:53,998 INFO L225 Difference]: With dead ends: 4871 [2023-11-23 21:20:53,998 INFO L226 Difference]: Without dead ends: 3554 [2023-11-23 21:20:54,011 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 [2023-11-23 21:20:54,013 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 1644 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3426 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:54,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 3426 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 5 Unknown, 0 Unchecked, 14.0s Time] [2023-11-23 21:20:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2023-11-23 21:20:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3544. [2023-11-23 21:20:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3544 states, 2194 states have (on average 1.3783044667274384) internal successors, (3024), 2351 states have internal predecessors, (3024), 1082 states have call successors, (1082), 271 states have call predecessors, (1082), 267 states have return successors, (1104), 991 states have call predecessors, (1104), 1077 states have call successors, (1104) [2023-11-23 21:20:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5210 transitions. [2023-11-23 21:20:54,265 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 5210 transitions. Word has length 108 [2023-11-23 21:20:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:54,267 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 5210 transitions. [2023-11-23 21:20:54,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 21:20:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 5210 transitions. [2023-11-23 21:20:54,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 21:20:54,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:54,278 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-23 21:20:54,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:20:54,279 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:54,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:54,290 INFO L85 PathProgramCache]: Analyzing trace with hash 16639213, now seen corresponding path program 1 times [2023-11-23 21:20:54,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:54,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194907764] [2023-11-23 21:20:54,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-23 21:20:54,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:20:54,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194907764] [2023-11-23 21:20:54,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194907764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:54,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:54,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:20:54,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261507276] [2023-11-23 21:20:54,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:54,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:54,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:20:54,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:54,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:54,569 INFO L87 Difference]: Start difference. First operand 3544 states and 5210 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)