./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--usb_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU --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 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:21,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:21,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:08:21,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:21,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:21,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:21,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:21,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:21,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:21,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:21,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:21,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:21,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:21,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:21,618 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:21,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:21,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:21,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:21,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:21,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:21,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:21,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:21,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:21,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:21,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:21,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:21,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:21,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:21,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:21,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:21,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:21,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:21,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:21,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:21,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:21,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:21,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:21,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:21,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:21,633 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_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f9870c0a11847528222b5446256dd4069d375e1dee3e428847b909838b4c1b [2024-10-31 22:08:21,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:21,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:21,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:21,975 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:21,976 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:21,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-10-31 22:08:24,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:24,779 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:24,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-31 22:08:24,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/data/f59cfec6d/555f8de78b414846b6a9a9b15f0894dc/FLAG52f97424f [2024-10-31 22:08:24,852 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/data/f59cfec6d/555f8de78b414846b6a9a9b15f0894dc [2024-10-31 22:08:24,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:24,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:24,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:24,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:24,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:24,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:24,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f71155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:24, skipping insertion in model container [2024-10-31 22:08:24,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:24" (1/1) ... [2024-10-31 22:08:25,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:26,144 WARN L251 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_3c6a8831-ea2f-40de-921b-3bd86806546c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-31 22:08:26,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:26,706 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:26,907 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"); [5500-5501] [2024-10-31 22:08:26,920 WARN L251 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_3c6a8831-ea2f-40de-921b-3bd86806546c/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i[164521,164534] [2024-10-31 22:08:27,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:27,190 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:27,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27 WrapperNode [2024-10-31 22:08:27,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:27,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:27,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:27,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:27,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,373 INFO L138 Inliner]: procedures = 156, calls = 736, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1722 [2024-10-31 22:08:27,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:27,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:27,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:27,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:27,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,764 INFO L175 MemorySlicer]: Split 256 memory accesses to 7 slices as follows [2, 44, 17, 158, 3, 6, 26]. 62 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 0, 0, 0, 0, 6, 26]. The 114 writes are split as follows [0, 44, 17, 51, 2, 0, 0]. [2024-10-31 22:08:27,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:27,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:27,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:27,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:27,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (1/1) ... [2024-10-31 22:08:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:27,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:28,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:28,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c6a8831-ea2f-40de-921b-3bd86806546c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:28,047 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2024-10-31 22:08:28,047 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2024-10-31 22:08:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2024-10-31 22:08:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2024-10-31 22:08:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2024-10-31 22:08:28,048 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2024-10-31 22:08:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:08:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:08:28,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-31 22:08:28,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-31 22:08:28,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-10-31 22:08:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-10-31 22:08:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2024-10-31 22:08:28,050 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2024-10-31 22:08:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:08:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:08:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:08:28,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:08:28,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:08:28,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:08:28,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:08:28,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:08:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:08:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:08:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:08:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:08:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:08:28,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:08:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 22:08:28,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 22:08:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:08:28,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:08:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:08:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:08:28,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:08:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:08:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:08:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2024-10-31 22:08:28,060 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2024-10-31 22:08:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2024-10-31 22:08:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2024-10-31 22:08:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-10-31 22:08:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-10-31 22:08:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2024-10-31 22:08:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-31 22:08:28,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-31 22:08:28,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-31 22:08:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-31 22:08:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-31 22:08:28,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-31 22:08:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-31 22:08:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-31 22:08:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-31 22:08:28,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-31 22:08:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-31 22:08:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-31 22:08:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 22:08:28,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 22:08:28,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-10-31 22:08:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-10-31 22:08:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2024-10-31 22:08:28,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2024-10-31 22:08:28,066 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2024-10-31 22:08:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2024-10-31 22:08:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-10-31 22:08:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-10-31 22:08:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2024-10-31 22:08:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2024-10-31 22:08:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2024-10-31 22:08:28,068 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2024-10-31 22:08:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 22:08:28,069 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:08:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 22:08:28,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 22:08:28,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 22:08:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 22:08:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2024-10-31 22:08:28,072 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2024-10-31 22:08:28,072 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2024-10-31 22:08:28,073 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2024-10-31 22:08:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:28,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:28,073 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2024-10-31 22:08:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2024-10-31 22:08:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-10-31 22:08:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-10-31 22:08:28,074 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-10-31 22:08:28,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-10-31 22:08:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-31 22:08:28,075 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-31 22:08:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2024-10-31 22:08:28,075 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2024-10-31 22:08:28,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2024-10-31 22:08:28,076 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2024-10-31 22:08:28,076 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2024-10-31 22:08:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2024-10-31 22:08:28,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-31 22:08:28,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-31 22:08:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:08:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:08:28,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:08:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:08:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:08:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:08:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:08:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:08:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2024-10-31 22:08:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2024-10-31 22:08:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:08:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-31 22:08:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-10-31 22:08:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:08:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:08:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:08:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-31 22:08:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-31 22:08:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2024-10-31 22:08:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2024-10-31 22:08:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2024-10-31 22:08:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2024-10-31 22:08:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2024-10-31 22:08:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2024-10-31 22:08:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2024-10-31 22:08:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2024-10-31 22:08:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2024-10-31 22:08:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2024-10-31 22:08:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-31 22:08:28,084 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-31 22:08:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:08:28,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2024-10-31 22:08:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2024-10-31 22:08:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-31 22:08:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-31 22:08:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2024-10-31 22:08:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2024-10-31 22:08:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 22:08:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 22:08:28,085 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-31 22:08:28,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-31 22:08:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-10-31 22:08:28,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-10-31 22:08:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2024-10-31 22:08:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2024-10-31 22:08:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2024-10-31 22:08:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2024-10-31 22:08:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-10-31 22:08:28,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-10-31 22:08:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:08:28,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:08:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:08:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:08:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:08:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:08:28,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:08:28,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:08:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 22:08:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 22:08:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2024-10-31 22:08:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2024-10-31 22:08:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:28,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:28,092 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2024-10-31 22:08:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2024-10-31 22:08:28,093 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2024-10-31 22:08:28,093 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2024-10-31 22:08:28,684 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:28,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:28,902 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 22:08:29,882 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-10-31 22:08:36,046 INFO L? ?]: Removed 873 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:36,046 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:36,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:36,076 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:08:36,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:36 BoogieIcfgContainer [2024-10-31 22:08:36,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:36,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:36,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:36,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:36,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:24" (1/3) ... [2024-10-31 22:08:36,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57baea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:36, skipping insertion in model container [2024-10-31 22:08:36,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:27" (2/3) ... [2024-10-31 22:08:36,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57baea2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:36, skipping insertion in model container [2024-10-31 22:08:36,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:36" (3/3) ... [2024-10-31 22:08:36,087 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2024-10-31 22:08:36,109 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:36,109 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:36,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:36,264 INFO L333 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, 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;@30a84c09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:36,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) [2024-10-31 22:08:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:08:36,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:36,296 INFO L215 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] [2024-10-31 22:08:36,297 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:36,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:36,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1381869314, now seen corresponding path program 1 times [2024-10-31 22:08:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:36,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379563439] [2024-10-31 22:08:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:36,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:08:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:08:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:08:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:08:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:08:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-31 22:08:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:08:37,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:37,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379563439] [2024-10-31 22:08:37,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379563439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:37,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:37,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537213580] [2024-10-31 22:08:37,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:37,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:37,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:37,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:37,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:37,959 INFO L87 Difference]: Start difference. First operand has 892 states, 635 states have (on average 1.373228346456693) internal successors, (872), 659 states have internal predecessors, (872), 200 states have call successors, (200), 57 states have call predecessors, (200), 55 states have return successors, (194), 189 states have call predecessors, (194), 194 states have call successors, (194) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:08:42,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:08:46,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:08:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:52,734 INFO L93 Difference]: Finished difference Result 2717 states and 3928 transitions. [2024-10-31 22:08:52,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:08:52,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2024-10-31 22:08:52,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:52,772 INFO L225 Difference]: With dead ends: 2717 [2024-10-31 22:08:52,772 INFO L226 Difference]: Without dead ends: 1808 [2024-10-31 22:08:52,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:52,787 INFO L432 NwaCegarLoop]: 675 mSDtfsCounter, 1886 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 597 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 597 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:52,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 1607 Invalid, 2127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [597 Valid, 1528 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2024-10-31 22:08:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2024-10-31 22:08:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1694. [2024-10-31 22:08:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1215 states have (on average 1.3530864197530865) internal successors, (1644), 1242 states have internal predecessors, (1644), 370 states have call successors, (370), 109 states have call predecessors, (370), 108 states have return successors, (365), 355 states have call predecessors, (365), 365 states have call successors, (365) [2024-10-31 22:08:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2379 transitions. [2024-10-31 22:08:53,092 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2379 transitions. Word has length 56 [2024-10-31 22:08:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:53,093 INFO L471 AbstractCegarLoop]: Abstraction has 1694 states and 2379 transitions. [2024-10-31 22:08:53,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:08:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2379 transitions. [2024-10-31 22:08:53,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-31 22:08:53,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:53,103 INFO L215 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] [2024-10-31 22:08:53,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:53,104 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:53,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,108 INFO L85 PathProgramCache]: Analyzing trace with hash 310822282, now seen corresponding path program 1 times [2024-10-31 22:08:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900901848] [2024-10-31 22:08:53,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:08:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:08:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:08:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:08:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:08:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:08:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:08:54,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:54,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900901848] [2024-10-31 22:08:54,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900901848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:54,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:54,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:54,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798887429] [2024-10-31 22:08:54,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:54,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:08:54,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:54,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:54,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:54,536 INFO L87 Difference]: Start difference. First operand 1694 states and 2379 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)