./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4b829e0b1083ca135908ac8582697cf0831b43587b46e1b9cc42429c7a2c7866 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:51,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:51,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:51,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:51,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:51,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:51,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:51,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:51,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:51,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:51,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:51,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:51,430 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:51,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:51,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:51,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:51,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:51,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:51,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:51,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:51,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:51,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:51,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:51,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:51,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:51,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:51,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:51,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:51,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:51,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:51,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:51,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:51,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:51,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:51,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:51,442 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:51,442 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b829e0b1083ca135908ac8582697cf0831b43587b46e1b9cc42429c7a2c7866 [2023-11-19 07:47:51,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:51,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:51,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:51,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:51,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:51,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 07:47:55,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:55,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:55,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 07:47:55,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/data/a7fcddb6f/81da5b488eca4e3bab6a70a1dc9674d7/FLAG49be745eb [2023-11-19 07:47:55,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/data/a7fcddb6f/81da5b488eca4e3bab6a70a1dc9674d7 [2023-11-19 07:47:55,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:55,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:55,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:55,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:55,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:55,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:55" (1/1) ... [2023-11-19 07:47:55,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478d7db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:55, skipping insertion in model container [2023-11-19 07:47:55,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:55" (1/1) ... [2023-11-19 07:47:56,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:59,437 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_cbaa177c-f866-49c3-9f5b-a473045e28b4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-11-19 07:47:59,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:59,733 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:59,911 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6206-6207] [2023-11-19 07:47:59,916 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)); [6334] [2023-11-19 07:48:00,282 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)); [11645] [2023-11-19 07:48:00,283 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"); [11653-11654] [2023-11-19 07:48:00,284 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" (1696), "i" (12UL)); [11718-11719] [2023-11-19 07:48:00,362 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_cbaa177c-f866-49c3-9f5b-a473045e28b4/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[378939,378952] [2023-11-19 07:48:00,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:00,574 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:00,582 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:00,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00 WrapperNode [2023-11-19 07:48:00,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:00,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:00,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:00,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:00,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:00,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:00,907 INFO L138 Inliner]: procedures = 341, calls = 4121, calls flagged for inlining = 136, calls inlined = 92, statements flattened = 6066 [2023-11-19 07:48:00,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:00,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:00,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:00,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:00,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:00,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:00,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:00,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,269 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:01,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:01,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:01,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:01,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (1/1) ... [2023-11-19 07:48:01,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:01,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:01,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbaa177c-f866-49c3-9f5b-a473045e28b4/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2023-11-19 07:48:01,425 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2023-11-19 07:48:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2023-11-19 07:48:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2023-11-19 07:48:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:48:01,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:48:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2023-11-19 07:48:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2023-11-19 07:48:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:48:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:48:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2023-11-19 07:48:01,427 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2023-11-19 07:48:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:48:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:48:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:48:01,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:48:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2023-11-19 07:48:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2023-11-19 07:48:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2023-11-19 07:48:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2023-11-19 07:48:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2023-11-19 07:48:01,429 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2023-11-19 07:48:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-11-19 07:48:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-11-19 07:48:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:48:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:48:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:48:01,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:48:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2023-11-19 07:48:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2023-11-19 07:48:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2023-11-19 07:48:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2023-11-19 07:48:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2023-11-19 07:48:01,431 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2023-11-19 07:48:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2023-11-19 07:48:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2023-11-19 07:48:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2023-11-19 07:48:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2023-11-19 07:48:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-19 07:48:01,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-19 07:48:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:48:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:48:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2023-11-19 07:48:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2023-11-19 07:48:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:48:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:48:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2023-11-19 07:48:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2023-11-19 07:48:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:48:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:48:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2023-11-19 07:48:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2023-11-19 07:48:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-19 07:48:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-19 07:48:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2023-11-19 07:48:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2023-11-19 07:48:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:48:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:48:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2023-11-19 07:48:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2023-11-19 07:48:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2023-11-19 07:48:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2023-11-19 07:48:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-19 07:48:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-19 07:48:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-19 07:48:01,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-19 07:48:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2023-11-19 07:48:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2023-11-19 07:48:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:48:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:48:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-19 07:48:01,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-19 07:48:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2023-11-19 07:48:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2023-11-19 07:48:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:48:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2023-11-19 07:48:01,439 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2023-11-19 07:48:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2023-11-19 07:48:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2023-11-19 07:48:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2023-11-19 07:48:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2023-11-19 07:48:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-19 07:48:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-19 07:48:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2023-11-19 07:48:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2023-11-19 07:48:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:48:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:48:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2023-11-19 07:48:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2023-11-19 07:48:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-19 07:48:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-19 07:48:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:48:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-19 07:48:01,442 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-19 07:48:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:48:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:48:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:48:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:48:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 07:48:01,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 07:48:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:48:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:48:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2023-11-19 07:48:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2023-11-19 07:48:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 07:48:01,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 07:48:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2023-11-19 07:48:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2023-11-19 07:48:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2023-11-19 07:48:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2023-11-19 07:48:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:48:01,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:48:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:48:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:48:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-19 07:48:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-19 07:48:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2023-11-19 07:48:01,446 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2023-11-19 07:48:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2023-11-19 07:48:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2023-11-19 07:48:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:48:01,447 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:48:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:48:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:48:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2023-11-19 07:48:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2023-11-19 07:48:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-19 07:48:01,448 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-19 07:48:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:48:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:48:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:48:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:48:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-19 07:48:01,449 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-19 07:48:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2023-11-19 07:48:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2023-11-19 07:48:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:48:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:48:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2023-11-19 07:48:01,450 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2023-11-19 07:48:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:48:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:48:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2023-11-19 07:48:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2023-11-19 07:48:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:48:01,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:48:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:48:01,452 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:48:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:48:01,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:48:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-19 07:48:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-19 07:48:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2023-11-19 07:48:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2023-11-19 07:48:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2023-11-19 07:48:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2023-11-19 07:48:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2023-11-19 07:48:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2023-11-19 07:48:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2023-11-19 07:48:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2023-11-19 07:48:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-19 07:48:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-19 07:48:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-19 07:48:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-19 07:48:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-19 07:48:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-19 07:48:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:48:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:48:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2023-11-19 07:48:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2023-11-19 07:48:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:48:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:48:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 07:48:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 07:48:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 07:48:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 07:48:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2023-11-19 07:48:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2023-11-19 07:48:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-11-19 07:48:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-11-19 07:48:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:48:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:48:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2023-11-19 07:48:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2023-11-19 07:48:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2023-11-19 07:48:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2023-11-19 07:48:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-19 07:48:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-19 07:48:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:02,347 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:02,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:02,750 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:48:11,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:11,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:11,973 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:11,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:11 BoogieIcfgContainer [2023-11-19 07:48:11,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:11,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:11,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:11,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:12,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:55" (1/3) ... [2023-11-19 07:48:12,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ff0742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:12, skipping insertion in model container [2023-11-19 07:48:12,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:00" (2/3) ... [2023-11-19 07:48:12,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ff0742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:12, skipping insertion in model container [2023-11-19 07:48:12,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:11" (3/3) ... [2023-11-19 07:48:12,004 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2023-11-19 07:48:12,027 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:12,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:12,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:12,160 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=PETRI_NET, 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;@145058c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:12,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:12,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 1922 states, 1345 states have (on average 1.4022304832713754) internal successors, (1886), 1389 states have internal predecessors, (1886), 482 states have call successors, (482), 94 states have call predecessors, (482), 93 states have return successors, (473), 454 states have call predecessors, (473), 473 states have call successors, (473) [2023-11-19 07:48:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 07:48:12,219 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:12,220 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:12,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:12,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:12,231 INFO L85 PathProgramCache]: Analyzing trace with hash 35079057, now seen corresponding path program 1 times [2023-11-19 07:48:12,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:12,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690464765] [2023-11-19 07:48:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:12,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:48:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:48:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:48:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:48:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:48:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:48:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:14,560 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-19 07:48:14,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:14,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690464765] [2023-11-19 07:48:14,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690464765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:14,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:14,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:14,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595709872] [2023-11-19 07:48:14,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:14,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:14,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:14,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:14,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:14,638 INFO L87 Difference]: Start difference. First operand has 1922 states, 1345 states have (on average 1.4022304832713754) internal successors, (1886), 1389 states have internal predecessors, (1886), 482 states have call successors, (482), 94 states have call predecessors, (482), 93 states have return successors, (473), 454 states have call predecessors, (473), 473 states have call successors, (473) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:20,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:21,557 INFO L93 Difference]: Finished difference Result 4038 states and 6113 transitions. [2023-11-19 07:48:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:21,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 164 [2023-11-19 07:48:21,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:21,608 INFO L225 Difference]: With dead ends: 4038 [2023-11-19 07:48:21,608 INFO L226 Difference]: Without dead ends: 2043 [2023-11-19 07:48:21,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:21,632 INFO L413 NwaCegarLoop]: 2165 mSDtfsCounter, 2001 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 1864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 3475 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1864 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:21,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2011 Valid, 3475 Invalid, 3133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1864 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-19 07:48:21,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2023-11-19 07:48:21,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1844. [2023-11-19 07:48:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1292 states have (on average 1.391640866873065) internal successors, (1798), 1325 states have internal predecessors, (1798), 460 states have call successors, (460), 92 states have call predecessors, (460), 91 states have return successors, (459), 440 states have call predecessors, (459), 459 states have call successors, (459) [2023-11-19 07:48:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2717 transitions. [2023-11-19 07:48:21,924 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2717 transitions. Word has length 164 [2023-11-19 07:48:21,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:21,925 INFO L495 AbstractCegarLoop]: Abstraction has 1844 states and 2717 transitions. [2023-11-19 07:48:21,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2717 transitions. [2023-11-19 07:48:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 07:48:21,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:21,941 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:21,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:48:21,942 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:21,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:21,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1464709733, now seen corresponding path program 1 times [2023-11-19 07:48:21,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:21,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011664945] [2023-11-19 07:48:21,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:21,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:48:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:48:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:48:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:48:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:48:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:48:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-19 07:48:23,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:23,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011664945] [2023-11-19 07:48:23,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011664945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:23,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:23,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:48:23,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608048303] [2023-11-19 07:48:23,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:23,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:48:23,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:23,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:48:23,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:48:23,451 INFO L87 Difference]: Start difference. First operand 1844 states and 2717 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 07:48:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:35,803 INFO L93 Difference]: Finished difference Result 5152 states and 7645 transitions. [2023-11-19 07:48:35,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:48:35,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 164 [2023-11-19 07:48:35,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:35,832 INFO L225 Difference]: With dead ends: 5152 [2023-11-19 07:48:35,833 INFO L226 Difference]: Without dead ends: 3341 [2023-11-19 07:48:35,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:48:35,849 INFO L413 NwaCegarLoop]: 2068 mSDtfsCounter, 3648 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 3589 mSolverCounterSat, 2020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 7116 SdHoareTripleChecker+Invalid, 5609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2020 IncrementalHoareTripleChecker+Valid, 3589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:35,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3848 Valid, 7116 Invalid, 5609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2020 Valid, 3589 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2023-11-19 07:48:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2023-11-19 07:48:36,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3016. [2023-11-19 07:48:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3016 states, 2123 states have (on average 1.3951954780970326) internal successors, (2962), 2185 states have internal predecessors, (2962), 738 states have call successors, (738), 155 states have call predecessors, (738), 154 states have return successors, (737), 700 states have call predecessors, (737), 737 states have call successors, (737) [2023-11-19 07:48:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 3016 states and 4437 transitions. [2023-11-19 07:48:36,062 INFO L78 Accepts]: Start accepts. Automaton has 3016 states and 4437 transitions. Word has length 164 [2023-11-19 07:48:36,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:36,064 INFO L495 AbstractCegarLoop]: Abstraction has 3016 states and 4437 transitions. [2023-11-19 07:48:36,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 07:48:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3016 states and 4437 transitions. [2023-11-19 07:48:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 07:48:36,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:36,070 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:36,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:48:36,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:36,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:36,071 INFO L85 PathProgramCache]: Analyzing trace with hash -849027615, now seen corresponding path program 1 times [2023-11-19 07:48:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:36,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581317695] [2023-11-19 07:48:36,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:36,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms