./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 9bd2c7ff 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_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/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_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:18,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:18,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:53:18,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:18,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:18,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:18,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:18,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:18,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:18,184 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:18,185 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:18,185 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:18,186 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:18,186 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:53:18,187 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:18,187 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:18,188 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:53:18,188 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:53:18,189 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:18,190 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:53:18,190 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:53:18,191 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:53:18,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:18,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:18,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:53:18,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:18,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:18,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:18,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:18,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:18,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:18,196 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:18,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:18,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:18,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:18,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:18,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:18,198 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:53:18,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:53:18,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:18,199 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:18,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:18,200 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_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2023-11-19 04:53:18,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:18,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:18,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:18,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:18,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:18,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:53:21,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:22,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:22,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/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 [2023-11-19 04:53:22,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/data/82d2f9fb8/604125ee766949c7b051388870d7ca96/FLAGb01c64e0e [2023-11-19 04:53:22,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/data/82d2f9fb8/604125ee766949c7b051388870d7ca96 [2023-11-19 04:53:22,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:22,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:22,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:22,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:22,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:22,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:22" (1/1) ... [2023-11-19 04:53:22,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756d9ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:22, skipping insertion in model container [2023-11-19 04:53:22,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:22" (1/1) ... [2023-11-19 04:53:22,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:24,551 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_a3a703ef-0b7a-410c-94f9-d2ca772c8703/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] [2023-11-19 04:53:24,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:24,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:24,824 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] [2023-11-19 04:53:25,302 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_a3a703ef-0b7a-410c-94f9-d2ca772c8703/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] [2023-11-19 04:53:25,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:25,461 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:53:25,471 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:25,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25 WrapperNode [2023-11-19 04:53:25,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:25,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:25,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:25,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:25,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:25,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:25,977 INFO L138 Inliner]: procedures = 257, calls = 1850, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 5319 [2023-11-19 04:53:25,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:25,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:25,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:25,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:25,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:25,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,072 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:26,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:26,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:26,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:26,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (1/1) ... [2023-11-19 04:53:26,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:26,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:26,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:26,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a703ef-0b7a-410c-94f9-d2ca772c8703/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:53:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:53:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:53:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:53:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:53:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:53:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:53:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:53:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2023-11-19 04:53:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2023-11-19 04:53:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2023-11-19 04:53:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2023-11-19 04:53:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2023-11-19 04:53:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2023-11-19 04:53:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2023-11-19 04:53:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2023-11-19 04:53:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-19 04:53:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-19 04:53:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-19 04:53:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-19 04:53:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:53:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:53:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-19 04:53:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-19 04:53:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 04:53:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 04:53:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2023-11-19 04:53:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2023-11-19 04:53:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:53:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:53:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:53:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:53:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:53:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:53:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2023-11-19 04:53:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2023-11-19 04:53:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:53:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:53:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2023-11-19 04:53:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2023-11-19 04:53:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 04:53:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 04:53:26,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2023-11-19 04:53:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2023-11-19 04:53:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:53:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 04:53:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2023-11-19 04:53:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2023-11-19 04:53:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2023-11-19 04:53:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2023-11-19 04:53:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2023-11-19 04:53:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2023-11-19 04:53:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:53:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-11-19 04:53:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-11-19 04:53:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:53:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:53:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-19 04:53:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-19 04:53:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:53:26,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2023-11-19 04:53:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2023-11-19 04:53:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:53:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:53:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2023-11-19 04:53:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2023-11-19 04:53:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2023-11-19 04:53:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2023-11-19 04:53:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2023-11-19 04:53:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2023-11-19 04:53:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-19 04:53:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-19 04:53:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:53:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:53:26,542 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:53:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:53:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 04:53:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 04:53:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 04:53:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 04:53:26,543 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:53:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:53:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2023-11-19 04:53:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2023-11-19 04:53:26,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 04:53:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 04:53:26,545 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:53:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:53:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2023-11-19 04:53:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2023-11-19 04:53:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-19 04:53:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-19 04:53:26,546 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2023-11-19 04:53:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2023-11-19 04:53:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2023-11-19 04:53:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2023-11-19 04:53:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 04:53:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 04:53:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:53:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2023-11-19 04:53:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2023-11-19 04:53:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:53:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 04:53:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 04:53:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2023-11-19 04:53:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2023-11-19 04:53:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 04:53:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 04:53:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 04:53:26,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 04:53:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:53:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2023-11-19 04:53:26,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2023-11-19 04:53:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 04:53:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 04:53:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:53:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:53:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 04:53:26,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 04:53:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2023-11-19 04:53:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2023-11-19 04:53:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 04:53:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 04:53:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:53:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:53:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 04:53:26,553 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 04:53:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:53:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2023-11-19 04:53:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2023-11-19 04:53:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-11-19 04:53:26,554 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-11-19 04:53:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2023-11-19 04:53:26,555 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2023-11-19 04:53:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:53:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:53:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2023-11-19 04:53:26,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2023-11-19 04:53:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:53:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:53:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:53:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2023-11-19 04:53:26,557 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2023-11-19 04:53:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2023-11-19 04:53:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2023-11-19 04:53:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:53:26,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:53:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 04:53:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 04:53:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-11-19 04:53:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-11-19 04:53:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2023-11-19 04:53:26,564 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2023-11-19 04:53:26,565 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2023-11-19 04:53:26,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2023-11-19 04:53:26,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2023-11-19 04:53:26,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2023-11-19 04:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:53:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2023-11-19 04:53:26,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2023-11-19 04:53:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:53:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2023-11-19 04:53:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2023-11-19 04:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2023-11-19 04:53:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2023-11-19 04:53:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 04:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 04:53:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:53:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2023-11-19 04:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2023-11-19 04:53:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-19 04:53:26,574 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-19 04:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2023-11-19 04:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2023-11-19 04:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2023-11-19 04:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2023-11-19 04:53:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:53:26,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 04:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 04:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2023-11-19 04:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2023-11-19 04:53:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-19 04:53:26,576 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-19 04:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 04:53:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 04:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2023-11-19 04:53:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2023-11-19 04:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-19 04:53:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-19 04:53:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 04:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 04:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-19 04:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-19 04:53:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2023-11-19 04:53:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2023-11-19 04:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 04:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 04:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2023-11-19 04:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2023-11-19 04:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2023-11-19 04:53:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2023-11-19 04:53:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 04:53:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:27,419 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:27,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:29,041 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:53:33,196 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:38,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:38,252 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:38,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:38 BoogieIcfgContainer [2023-11-19 04:53:38,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:38,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:38,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:38,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:38,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:22" (1/3) ... [2023-11-19 04:53:38,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582f21eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:38, skipping insertion in model container [2023-11-19 04:53:38,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:25" (2/3) ... [2023-11-19 04:53:38,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582f21eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:38, skipping insertion in model container [2023-11-19 04:53:38,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:38" (3/3) ... [2023-11-19 04:53:38,290 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 [2023-11-19 04:53:38,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:38,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:38,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:38,472 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;@4bfd8b1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:38,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:38,486 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) [2023-11-19 04:53:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:53:38,539 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:38,540 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] [2023-11-19 04:53:38,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:38,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash 2048068467, now seen corresponding path program 1 times [2023-11-19 04:53:38,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:38,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965163737] [2023-11-19 04:53:38,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:38,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 04:53:40,323 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:40,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965163737] [2023-11-19 04:53:40,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965163737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:40,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:40,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:40,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776955116] [2023-11-19 04:53:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:40,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:40,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:40,397 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) [2023-11-19 04:53:42,796 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 [] [2023-11-19 04:53:46,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:48,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:50,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:53:52,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:53:53,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:53,796 INFO L93 Difference]: Finished difference Result 2451 states and 3632 transitions. [2023-11-19 04:53:53,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:53,800 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 [2023-11-19 04:53:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:53,874 INFO L225 Difference]: With dead ends: 2451 [2023-11-19 04:53:53,874 INFO L226 Difference]: Without dead ends: 2413 [2023-11-19 04:53:53,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:53,890 INFO L413 NwaCegarLoop]: 1736 mSDtfsCounter, 1622 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:53,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 3477 Invalid, 384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 378 Invalid, 5 Unknown, 0 Unchecked, 13.0s Time] [2023-11-19 04:53:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2023-11-19 04:53:54,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2402. [2023-11-19 04:53:54,325 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) [2023-11-19 04:53:54,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2402 states and 3544 transitions. [2023-11-19 04:53:54,372 INFO L78 Accepts]: Start accepts. Automaton has 2402 states and 3544 transitions. Word has length 107 [2023-11-19 04:53:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:54,380 INFO L495 AbstractCegarLoop]: Abstraction has 2402 states and 3544 transitions. [2023-11-19 04:53:54,380 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) [2023-11-19 04:53:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 3544 transitions. [2023-11-19 04:53:54,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 04:53:54,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:54,399 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] [2023-11-19 04:53:54,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:54,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:54,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -934978411, now seen corresponding path program 1 times [2023-11-19 04:53:54,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:54,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112630405] [2023-11-19 04:53:54,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:54,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 04:53:55,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:53:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112630405] [2023-11-19 04:53:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112630405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:55,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:55,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653795794] [2023-11-19 04:53:55,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:55,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:53:55,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:55,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:55,479 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) [2023-11-19 04:53:57,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:54:00,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:54:02,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:54:05,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:07,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:54:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:08,691 INFO L93 Difference]: Finished difference Result 4871 states and 7140 transitions. [2023-11-19 04:54:08,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:08,692 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 [2023-11-19 04:54:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:08,724 INFO L225 Difference]: With dead ends: 4871 [2023-11-19 04:54:08,725 INFO L226 Difference]: Without dead ends: 3554 [2023-11-19 04:54:08,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:08,744 INFO L413 NwaCegarLoop]: 1727 mSDtfsCounter, 1644 mSDsluCounter, 1699 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s 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, 12.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:08,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 3426 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 5 Unknown, 0 Unchecked, 12.9s Time] [2023-11-19 04:54:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2023-11-19 04:54:08,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3544. [2023-11-19 04:54:08,970 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) [2023-11-19 04:54:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 3544 states and 5210 transitions. [2023-11-19 04:54:09,003 INFO L78 Accepts]: Start accepts. Automaton has 3544 states and 5210 transitions. Word has length 108 [2023-11-19 04:54:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:09,004 INFO L495 AbstractCegarLoop]: Abstraction has 3544 states and 5210 transitions. [2023-11-19 04:54:09,005 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) [2023-11-19 04:54:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 5210 transitions. [2023-11-19 04:54:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 04:54:09,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:09,014 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] [2023-11-19 04:54:09,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:54:09,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:09,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:09,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1079853750, now seen corresponding path program 1 times [2023-11-19 04:54:09,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:54:09,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672073547] [2023-11-19 04:54:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:09,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:54:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-19 04:54:09,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:54:09,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672073547] [2023-11-19 04:54:09,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672073547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:09,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:09,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:54:09,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586181040] [2023-11-19 04:54:09,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:09,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:09,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:54:09,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:09,305 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) [2023-11-19 04:54:12,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []