./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/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_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/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_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:21:33,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:21:33,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:21:33,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:21:33,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:21:33,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:21:33,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:21:33,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:21:33,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:21:33,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:21:33,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:21:33,654 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:21:33,655 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:21:33,657 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:21:33,657 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:21:33,658 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:21:33,658 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:21:33,658 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:21:33,659 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:21:33,660 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:21:33,660 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:21:33,661 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:21:33,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:21:33,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:21:33,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:21:33,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:21:33,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:21:33,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:21:33,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:21:33,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:21:33,667 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:21:33,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:21:33,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:21:33,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:33,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:21:33,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:21:33,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:21:33,669 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:21:33,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:21:33,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:21:33,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:21:33,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:21:33,671 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_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2023-11-19 05:21:34,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:21:34,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:21:34,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:21:34,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:21:34,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:21:34,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 05:21:37,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:21:37,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:21:37,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 05:21:38,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/data/e5412dd6c/0c3d7beb4c064916b0fa153e8229e9d3/FLAG84af171db [2023-11-19 05:21:38,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/data/e5412dd6c/0c3d7beb4c064916b0fa153e8229e9d3 [2023-11-19 05:21:38,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:21:38,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:21:38,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:38,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:21:38,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:21:38,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:38" (1/1) ... [2023-11-19 05:21:38,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca7198b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:38, skipping insertion in model container [2023-11-19 05:21:38,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:21:38" (1/1) ... [2023-11-19 05:21:38,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:21:39,728 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_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2023-11-19 05:21:40,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:41,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:21:41,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5548-5549] [2023-11-19 05:21:41,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5563] [2023-11-19 05:21:41,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5566] [2023-11-19 05:21:41,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5569] [2023-11-19 05:21:41,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5572] [2023-11-19 05:21:41,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; addl %1,%0": "+m" (v->counter): "ir" (i)); [5597] [2023-11-19 05:21:41,475 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_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2023-11-19 05:21:41,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [10855] [2023-11-19 05:21:41,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [10863-10864] [2023-11-19 05:21:41,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1425), "i" (12UL)); [10910-10911] [2023-11-19 05:21:42,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:21:42,300 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:42,300 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:21:42,309 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:21:42,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42 WrapperNode [2023-11-19 05:21:42,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:21:42,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:42,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:21:42,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:21:42,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,819 INFO L138 Inliner]: procedures = 318, calls = 4100, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 7246 [2023-11-19 05:21:42,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:21:42,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:21:42,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:21:42,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:21:42,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:42,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:21:43,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:21:43,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:21:43,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:21:43,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (1/1) ... [2023-11-19 05:21:43,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:21:43,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:21:43,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:21:43,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_717fc9c5-ac2b-4e2f-bf31-16da41eb5e84/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:21:43,338 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-11-19 05:21:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-11-19 05:21:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 05:21:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 05:21:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-11-19 05:21:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-11-19 05:21:43,339 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-11-19 05:21:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-11-19 05:21:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-11-19 05:21:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-11-19 05:21:43,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:21:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:21:43,341 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-11-19 05:21:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-11-19 05:21:43,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-19 05:21:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-19 05:21:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-11-19 05:21:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-11-19 05:21:43,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 05:21:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 05:21:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-11-19 05:21:43,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-11-19 05:21:43,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:21:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:21:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-19 05:21:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-19 05:21:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-11-19 05:21:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-11-19 05:21:43,345 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-11-19 05:21:43,345 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-11-19 05:21:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-11-19 05:21:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-11-19 05:21:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-11-19 05:21:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-11-19 05:21:43,346 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-11-19 05:21:43,346 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-11-19 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 05:21:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-11-19 05:21:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-11-19 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 05:21:43,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 05:21:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:21:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:21:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-11-19 05:21:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-11-19 05:21:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:21:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:21:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2023-11-19 05:21:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2023-11-19 05:21:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 05:21:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 05:21:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-11-19 05:21:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-11-19 05:21:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-11-19 05:21:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-11-19 05:21:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-19 05:21:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-19 05:21:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-11-19 05:21:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-11-19 05:21:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 05:21:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 05:21:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2023-11-19 05:21:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2023-11-19 05:21:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-19 05:21:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-19 05:21:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-11-19 05:21:43,354 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-11-19 05:21:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 05:21:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 05:21:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2023-11-19 05:21:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2023-11-19 05:21:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-19 05:21:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-19 05:21:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-19 05:21:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-19 05:21:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-19 05:21:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-19 05:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-11-19 05:21:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-11-19 05:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 05:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:21:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2023-11-19 05:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2023-11-19 05:21:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2023-11-19 05:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2023-11-19 05:21:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-11-19 05:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-11-19 05:21:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2023-11-19 05:21:43,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2023-11-19 05:21:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-11-19 05:21:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-11-19 05:21:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-11-19 05:21:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-11-19 05:21:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-19 05:21:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-19 05:21:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-11-19 05:21:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-11-19 05:21:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 05:21:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 05:21:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-11-19 05:21:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-11-19 05:21:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:21:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2023-11-19 05:21:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2023-11-19 05:21:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2023-11-19 05:21:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2023-11-19 05:21:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:21:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-19 05:21:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-19 05:21:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:21:43,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:21:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2023-11-19 05:21:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2023-11-19 05:21:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 05:21:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 05:21:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 05:21:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 05:21:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2023-11-19 05:21:43,365 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2023-11-19 05:21:43,365 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:21:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:21:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-11-19 05:21:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-11-19 05:21:43,366 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 05:21:43,366 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 05:21:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-11-19 05:21:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-11-19 05:21:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:21:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:21:43,367 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-11-19 05:21:43,367 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-11-19 05:21:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 05:21:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 05:21:43,368 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 05:21:43,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 05:21:43,369 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-19 05:21:43,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-19 05:21:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2023-11-19 05:21:43,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2023-11-19 05:21:43,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2023-11-19 05:21:43,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2023-11-19 05:21:43,375 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-11-19 05:21:43,375 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-11-19 05:21:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:21:43,376 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-11-19 05:21:43,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-11-19 05:21:43,381 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:21:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:21:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 05:21:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 05:21:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-11-19 05:21:43,382 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-11-19 05:21:43,382 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 05:21:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 05:21:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2023-11-19 05:21:43,383 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2023-11-19 05:21:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2023-11-19 05:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2023-11-19 05:21:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-11-19 05:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-11-19 05:21:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:21:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:21:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:21:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-11-19 05:21:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-11-19 05:21:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:21:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:21:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-11-19 05:21:43,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-11-19 05:21:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:21:43,385 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 05:21:43,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 05:21:43,386 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-19 05:21:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-19 05:21:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-11-19 05:21:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-11-19 05:21:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-11-19 05:21:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-11-19 05:21:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-11-19 05:21:43,387 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-11-19 05:21:43,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:21:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2023-11-19 05:21:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2023-11-19 05:21:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-11-19 05:21:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-11-19 05:21:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:21:43,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:21:43,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:21:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 05:21:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:21:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:21:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-19 05:21:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-19 05:21:43,389 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 05:21:43,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 05:21:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 05:21:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 05:21:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 05:21:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 05:21:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-11-19 05:21:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-11-19 05:21:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:21:43,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:21:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 05:21:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 05:21:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-11-19 05:21:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-11-19 05:21:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-19 05:21:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-19 05:21:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2023-11-19 05:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2023-11-19 05:21:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2023-11-19 05:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2023-11-19 05:21:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2023-11-19 05:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2023-11-19 05:21:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-19 05:21:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-19 05:21:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 05:21:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 05:21:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 05:21:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 05:21:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:21:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-11-19 05:21:43,393 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-11-19 05:21:43,393 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-11-19 05:21:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-11-19 05:21:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 05:21:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 05:21:43,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:21:43,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:21:44,338 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:21:44,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:21:44,757 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:21:46,619 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-11-19 05:21:53,875 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:21:56,630 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:21:56,631 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:21:56,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:56 BoogieIcfgContainer [2023-11-19 05:21:56,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:21:56,654 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:21:56,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:21:56,657 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:21:56,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:21:38" (1/3) ... [2023-11-19 05:21:56,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d856d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:56, skipping insertion in model container [2023-11-19 05:21:56,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:21:42" (2/3) ... [2023-11-19 05:21:56,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d856d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:21:56, skipping insertion in model container [2023-11-19 05:21:56,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:56" (3/3) ... [2023-11-19 05:21:56,661 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 05:21:56,684 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:21:56,684 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:21:56,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:21:56,805 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;@5b695f74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:21:56,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:21:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 2018 states, 1250 states have (on average 1.3528) internal successors, (1691), 1325 states have internal predecessors, (1691), 659 states have call successors, (659), 109 states have call predecessors, (659), 107 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) [2023-11-19 05:21:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 05:21:56,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:21:56,841 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:56,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:21:56,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:21:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash 403104637, now seen corresponding path program 1 times [2023-11-19 05:21:56,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:21:56,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351985940] [2023-11-19 05:21:56,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:21:56,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:21:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:21:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 05:21:58,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:21:58,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351985940] [2023-11-19 05:21:58,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351985940] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:21:58,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:21:58,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:21:58,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632365632] [2023-11-19 05:21:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:21:58,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:21:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:21:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:21:58,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:21:58,261 INFO L87 Difference]: Start difference. First operand has 2018 states, 1250 states have (on average 1.3528) internal successors, (1691), 1325 states have internal predecessors, (1691), 659 states have call successors, (659), 109 states have call predecessors, (659), 107 states have return successors, (649), 620 states have call predecessors, (649), 649 states have call successors, (649) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 05:22:01,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:01,823 INFO L93 Difference]: Finished difference Result 5948 states and 8841 transitions. [2023-11-19 05:22:01,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:01,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2023-11-19 05:22:01,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:01,889 INFO L225 Difference]: With dead ends: 5948 [2023-11-19 05:22:01,889 INFO L226 Difference]: Without dead ends: 3917 [2023-11-19 05:22:01,917 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 05:22:01,923 INFO L413 NwaCegarLoop]: 2712 mSDtfsCounter, 2874 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:01,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 5392 Invalid, 583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-19 05:22:01,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3917 states. [2023-11-19 05:22:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3917 to 3917. [2023-11-19 05:22:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 2438 states have (on average 1.3441345365053323) internal successors, (3277), 2559 states have internal predecessors, (3277), 1267 states have call successors, (1267), 212 states have call predecessors, (1267), 211 states have return successors, (1262), 1204 states have call predecessors, (1262), 1262 states have call successors, (1262) [2023-11-19 05:22:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 5806 transitions. [2023-11-19 05:22:02,334 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 5806 transitions. Word has length 54 [2023-11-19 05:22:02,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:02,335 INFO L495 AbstractCegarLoop]: Abstraction has 3917 states and 5806 transitions. [2023-11-19 05:22:02,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 05:22:02,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 5806 transitions. [2023-11-19 05:22:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 05:22:02,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:02,353 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:02,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:22:02,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:02,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:02,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1718403330, now seen corresponding path program 1 times [2023-11-19 05:22:02,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:02,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442704660] [2023-11-19 05:22:02,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:02,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 05:22:04,118 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:04,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442704660] [2023-11-19 05:22:04,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442704660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:04,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:04,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:04,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858967933] [2023-11-19 05:22:04,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:04,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:04,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:04,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:04,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:04,123 INFO L87 Difference]: Start difference. First operand 3917 states and 5806 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:22:07,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:07,799 INFO L93 Difference]: Finished difference Result 7737 states and 11456 transitions. [2023-11-19 05:22:07,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:07,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2023-11-19 05:22:07,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:07,889 INFO L225 Difference]: With dead ends: 7737 [2023-11-19 05:22:07,890 INFO L226 Difference]: Without dead ends: 7734 [2023-11-19 05:22:07,898 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 05:22:07,900 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 2864 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2864 SdHoareTripleChecker+Valid, 5388 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:07,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2864 Valid, 5388 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 05:22:07,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7734 states. [2023-11-19 05:22:08,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7734 to 7722. [2023-11-19 05:22:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7722 states, 4808 states have (on average 1.3431780366056572) internal successors, (6458), 5048 states have internal predecessors, (6458), 2493 states have call successors, (2493), 423 states have call predecessors, (2493), 420 states have return successors, (2488), 2368 states have call predecessors, (2488), 2488 states have call successors, (2488) [2023-11-19 05:22:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7722 states to 7722 states and 11439 transitions. [2023-11-19 05:22:08,612 INFO L78 Accepts]: Start accepts. Automaton has 7722 states and 11439 transitions. Word has length 61 [2023-11-19 05:22:08,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:08,614 INFO L495 AbstractCegarLoop]: Abstraction has 7722 states and 11439 transitions. [2023-11-19 05:22:08,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:22:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 7722 states and 11439 transitions. [2023-11-19 05:22:08,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 05:22:08,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:08,620 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:08,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:22:08,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:08,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1729741356, now seen corresponding path program 1 times [2023-11-19 05:22:08,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:08,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880417581] [2023-11-19 05:22:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:08,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 05:22:09,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:09,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880417581] [2023-11-19 05:22:09,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880417581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:09,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:09,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:09,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020478187] [2023-11-19 05:22:09,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:09,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:09,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:09,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:09,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:09,892 INFO L87 Difference]: Start difference. First operand 7722 states and 11439 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:22:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:13,395 INFO L93 Difference]: Finished difference Result 11687 states and 17291 transitions. [2023-11-19 05:22:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:13,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62 [2023-11-19 05:22:13,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:13,477 INFO L225 Difference]: With dead ends: 11687 [2023-11-19 05:22:13,478 INFO L226 Difference]: Without dead ends: 7751 [2023-11-19 05:22:13,509 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 05:22:13,515 INFO L413 NwaCegarLoop]: 2729 mSDtfsCounter, 2851 mSDsluCounter, 2665 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 5394 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:13,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 5394 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 05:22:13,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2023-11-19 05:22:14,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7743. [2023-11-19 05:22:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7743 states, 4821 states have (on average 1.342252644679527) internal successors, (6471), 5061 states have internal predecessors, (6471), 2495 states have call successors, (2495), 429 states have call predecessors, (2495), 426 states have return successors, (2490), 2370 states have call predecessors, (2490), 2490 states have call successors, (2490) [2023-11-19 05:22:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 11456 transitions. [2023-11-19 05:22:14,262 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 11456 transitions. Word has length 62 [2023-11-19 05:22:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:14,263 INFO L495 AbstractCegarLoop]: Abstraction has 7743 states and 11456 transitions. [2023-11-19 05:22:14,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:22:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 11456 transitions. [2023-11-19 05:22:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 05:22:14,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:14,269 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:14,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:22:14,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:14,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2081225029, now seen corresponding path program 1 times [2023-11-19 05:22:14,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:14,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272350233] [2023-11-19 05:22:14,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:14,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 05:22:14,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:22:14,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272350233] [2023-11-19 05:22:14,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272350233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:14,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:14,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:14,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109303334] [2023-11-19 05:22:14,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:14,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:14,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:22:14,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:14,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:14,711 INFO L87 Difference]: Start difference. First operand 7743 states and 11456 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-19 05:22:17,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:17,794 INFO L93 Difference]: Finished difference Result 11529 states and 17211 transitions. [2023-11-19 05:22:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 63 [2023-11-19 05:22:17,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:17,906 INFO L225 Difference]: With dead ends: 11529 [2023-11-19 05:22:17,907 INFO L226 Difference]: Without dead ends: 11526 [2023-11-19 05:22:17,917 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 05:22:17,918 INFO L413 NwaCegarLoop]: 2730 mSDtfsCounter, 2839 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 5429 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:17,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2839 Valid, 5429 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 05:22:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11526 states.